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WO1994020002A1 - A sheet, and an assembly comprising a sheet and a mat conveyor - Google Patents

A sheet, and an assembly comprising a sheet and a mat conveyor Download PDF

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Publication number
WO1994020002A1
WO1994020002A1 PCT/DK1994/000096 DK9400096W WO9420002A1 WO 1994020002 A1 WO1994020002 A1 WO 1994020002A1 DK 9400096 W DK9400096 W DK 9400096W WO 9420002 A1 WO9420002 A1 WO 9420002A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
foil
water
defining
bed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DK1994/000096
Other languages
French (fr)
Inventor
Jens Winter
Finn Bisgaard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INTER CARE AS
Original Assignee
INTER CARE AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DK26493A external-priority patent/DK26493D0/en
Priority claimed from DK93693A external-priority patent/DK93693D0/en
Application filed by INTER CARE AS filed Critical INTER CARE AS
Priority to AU62566/94A priority Critical patent/AU6256694A/en
Publication of WO1994020002A1 publication Critical patent/WO1994020002A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
    • A61G7/1026—Sliding sheets or mats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/002—Mattress or cushion tickings or covers
    • A47C27/005—Mattress or cushion tickings or covers liquid-impermeable
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/10—Loose or removable furniture covers
    • A47C31/105—Loose or removable furniture covers for mattresses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices ; Anti-rape devices
    • A61F5/48—Devices for preventing wetting or pollution of the bed
    • A61F5/485—Absorbent protective pads
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/30—Specific positions of the patient
    • A61G2200/32—Specific positions of the patient lying

Definitions

  • a sheet, and an assembly comprising a sheet and a mat conveyor
  • the present invention relates to a sheet and an assembly comprising a sheet and a mat conveyor to be arranged on a mattress of a bed or the like.
  • a sheet and an assembly comprising a sheet and a mat conveyor to be arranged on a mattress of a bed or the like.
  • water- or urine-impermeable sheets are often used for preventing that the person or patient in question urinates the mattress of the bed.
  • the conventional urine- or water-impermeable sheet is made from a water- impermeable foil such as a plastic foil which is positioned across the mattress of the bed on top of a conventional sheet of the bed, providing a covering of a width of 0.8-1 m across the mattress of the bed.
  • the conventional urine- or water-impermeable sheet of this type merely serves the purpose of preventing that urine or water from the person or patient resting on the mattress of the bed may permeate into the mat ⁇ tress of the bed.
  • the conventional water-impermeable sheet is not adapted to accumulate the urine or water and is consequently, in nu ⁇ merous instances, not able to prevent that urine or water permeates into the mattress of the bed.
  • the conventional water-impermeable sheet accumulates the urin or water from the person or patient resting on the mattress, the urin or water is brought into contact with the body part of the person or patient, on which the body part the person or pa ⁇ tient rests.
  • the contact between the urin or water and the body part of the person or patient may give origin to the generation of bed sore or may accelerate the generation of bed sore.
  • the urine or water pre ⁇ sent on the urine- or water-impermeable sheet is obviously brought into contact with the body of the person or patient resting on the bed, caus ⁇ ing discomfort and even in some instances excessive cooling of the per ⁇ son or patient, and consequently causing that the person or patient catches a cold or catches other diseases such as pneumonia, etc.
  • An object of the present invention is to provide an improved urine- or water-impermeable sheet to be arranged on a mattress of a bed or the like, which sheet on the one hand is able to prevent that the urine or water permeates into the mattress of the bed and on the other hand is able to prevent, to any substantial extent, that the urine or water is brought into contact with the body of the person or patient resting on the bed, still further rendering it possible to later on rinse the sheet.
  • a particular feature of the present invention originates from the fact that the sheet is easily rinsable or cleanable through simply washing the sheet for removing any urine or water from the sheet.
  • a particular advantage of the present invention relates to the structure of the sheet which renders it easy to handle the sheet for shifting the person or patient resting on the sheet from one position to another po ⁇ sition and from one bed to another bed, for removing the sheet from a position underneath the person or patient resting on the bed and further for handling the sheet without spilling any urine or water from the sheet.
  • a sheet according to the present invention comprising: a first foil of a water-permeable material and defining a circumfe- rential outer rim, a second foil of a water-impermeable material and defining a cir ⁇ cumferential outer rim, said first and second foils being joined to ⁇ gether along a sealing at said outer circumferential rims of said first and second foils, defining a sealed enclosure between said first and se- cond foils, and a body of non-water-absorbent and elastic fibers, said body filling out said sealed enclosure and defining a plurality of capillary cavities within said body when said sheet is not mechanically influenced, in which capillary cavities water may be accumulated through capillary ac ⁇
  • any urine or water present on the sheet is accumu ⁇ lated within the body of non-water-absorbent and elastic fibers. Since the body of non-water-absorbent and elastic fibers is collapsible, the urine or water present beneath the person or patient resting on the sheet on the mattress of the bed is expelled from the part of the body of non-water-absorbent and elastic fibers present below the person or patient since the number of capillary cavities and the total volume of the capillary cavities below the person or patient in question is re ⁇ quizd.
  • the water expelled from the part of the sheet below the person or patient is through capillary action accumulated within the remaining part of the body of non-water-absorbent and elastic fibers, which part is not exposed to mechanical impact, such as impact originating from the weight of the person or patient resting on the sheet.
  • the enclosure defined between the first and second foils of the sheet may constitute a single enclosure in which the body of non-water-absor ⁇ bent and elastic fibers is enclosed.
  • the sealed enclosure is preferably divided into several sub-enclosures through ad ⁇ ditional sealings between the first and second foils and said body of non-water-absorbent and elastic fibers being divided into sub-bodies.
  • the additional sealings may be of any configuration defining any sub- enclosure configuration, such as rectangular or quadratic sub-enclo ⁇ sures, enclosures bounded by curved boundary lines or e.g. boundary lines of hearing-bone configuration.
  • the second foil being a water-impermeable material may present a smooth outer surface which is arranged on top of the mattress of the bed which may cause certain problems as the sheet according to the present inven- tion is easily slipping or sliding relative to the mattress.
  • the sheet ac- cording to the present invention preferably further comprises a third foil of a friction-increasing material, which third foil is arranged at the outer surface of the second foil.
  • the third foil may e.g.
  • the friction-increasing third foil of the sheet according to the present invention may be provided at cer ⁇ tain areas of the outer surface of the second foil, such as at the cen ⁇ tral area of the outer surface of the second foil or extending along the outer circumferential rim of the outer surface of the second foil.
  • the third foil covers the entire outer sur- face of the second foil and is sealed to the first foil through the sealing also sealing the first and second foils together.
  • the sheet according to the present invention may be of a configuration covering the entire mattress of the bed or, alternatively and preferab- ly, constitute a smaller size sheet which is to be arranged at a central area of the mattress of the bed below the buttocks of the person or pa ⁇ tient resting on the bed. Consequently, the sheet is preferably of a width of the order of 0.75-1.5 m, and the first and the second foils of the sheet are consequently preferably of a width of 0.75-1.5 . Further preferably, the first and second foils are of identical rectangular con ⁇ figuration, measuring approximately 0.75-1.5 m x 0.75-1.5 , such as 0.90 x 0.90 m.
  • the sheet according to the present invention preferably further comprises two gripping strips provided at the outer surface of the sheet opposite to the first foil, which gripping strips are provided at opposite rim segments of said sealing.
  • the gripping strips are connected to the sheet through several sealings providing several individual gripping handles.
  • the fibers of the body characteristic of the sheet according to the pre ⁇ sent invention may be made from any natural or synthetic material pro ⁇ viding non-water-absorbent and elastic fibers such as polymeric materi ⁇ al, e.g. polyamide, polypropylene or, preferably, polyester.
  • the fibers which are preferably constituted by non-woven polyester fibers may further preferably be siliconized which improves the frictional proper ⁇ ties of the fibers, preventing the fibers from sticking together and further providing a sheet which presents a softer resting surface than a similar sheet produced from non-siliconized polyester fibers.
  • the fibers may be of any appropriate length and density, providing the body characteristic of the present invention, which body provides a plu ⁇ rality of capillary cavities in which urine or water may be accumulated and which body is further collapsible through the force or pressure ge- nerated by the weight of a person or patient resting on the sheet.
  • the fibers may e.g. be of an average length of 0.5-10 cm, preferably 3-4 cm, and of a density of 1-30 dTex, such as 6-17 dTex.
  • the fibers of the body pre- ferable have a density of the order of 100-500 g/m 2 , such as a density of 250 g/m 2 .
  • the first foil constituting a water-permeable foil is preferably made from a material which to no substantial extent accumulates urine or water, such as a woven cotton sheet
  • the second foil being a water-impermeable foil is preferably made from a polymeric material such as a plastic material or a latex material, e.g. a PVC material consti ⁇ tuting a self-supporting foil or, alternatively and preferably, a cover ⁇ ing of the third foil which preferably further is constituted by a ve- lour or velvet cotton sheet.
  • the mat conveyor constituting a component of the assembly according to the second aspect of the present invention basically constitutes a mat conveyor of the type described in US patent No. 4,051,565, to which re- ference is made and which is hereby incorporated in the present specifi ⁇ cation by reference.
  • the mat conveyor described in the above mentioned US patent suffers from a severe drawback in that a person or patient resting on the mat conveyor and suffering from incontinence may urinate the mat conveyor which is of a structure which is not easily rinsable or cleanable.
  • the provision of the water-impermeable outer tubular foil covering of the mat conveyor by no means improves the handling of the mat conveyor as on the one hand the water-impermeable tubular foil covering has to be positioned enclosing the mat conveyor prior to use of the mat conveyor and on the other hand has to be kept in position when using the mat conveyor for its intentional purpose, i.e. for shifting the person or patient resting on the mat conveyor.
  • the technique described in GB patent No. 2,159,047 the shifting or transfer of the person or patient resting on the mat conveyor is estab ⁇ lished by pulling the bed sheet.
  • the resting comfort of the person or patient resting on the mat conveyor is largely improved as compared to the technique described in GB Patent No. 2,159,047 as the person or patient resting on the assembly according to the present invention is resting partly on the sheet according to the first aspect of the present invention and partly on the mat conveyor or in accordance with the preferred embodiment of the assembly according to a second aspect of the present invention on a separate foil component constituting a conventional bed sheet.
  • the handl ⁇ ing of the mat conveyor and the person or patient resting on the mat conveyor is radically improved as compared to the technique described in GB Patent No.
  • the assembly is easily pre ⁇ pared for use by simply arranging the mat conveyor on the mattress of the bed or the like, by arranging the bed sheet on top of the mat con ⁇ veyor and further by arranging the sheet according to the first aspect of the present invention on top of the bed sheet or alternatively on top of the mat conveyor provided the separate foil component constituting a bed sheet is omitted, and on the other hand as the person or patient re ⁇ sting on the bed is easily transferred to or from the bed by an indivi ⁇ dual nursing the person or patient in question as the individual simply grips one the gripping strips of the sheet of the assembly and employs the sheet as a means for establishing the transfer or shifting of the person or patient resting on the bed.
  • the assembly according to the second aspect of the present invention may be implemented in accordance with the teachings of the first aspect of the present invention as the sheet of the assembly according to the se ⁇ cond aspect of the present invention may comprise any of the features as described above of the sheet according to the first aspect aspect of the present invention.
  • the mat conveyor defines a length along said tubular axis and a width perpendicular to said tubular axis, said length and said width substantially correspond ⁇ ing to the length and the width, respectively, of said mattress.
  • the first embodiment of the mat conveyor of the assembly according to a se ⁇ cond aspect of the present invention is as will be evident adapted to be arranged on the mattress of a bed so as to position the tubular axis of the mat conveyor along the longitudinal direction of the mattress and the bed and so as to allow that the person or patient resting on the as ⁇ sembly according the second aspect of the present invention is shifted perpendicular to the longitudinal direction of the mattress of the bed and consequently be repositioned resting on the mattress of the bed and further as described in US patent No. 4,051,565 be shifted from one bed to another.
  • the length is approximately 190 cm and the width is approximately 80 cm, or alternatively approximately 60 cm.
  • the mat conveyor defines a width along said tubular axis and a length perpendicular to said tubular axis, said width substantially corresponding to the width of said mattress.
  • the second embodiment of the mat conveyor of the as ⁇ sembly according to the second aspect of the present invention is adap- ted to be arranged so as to position the tubular axis of the tubular member of the mat conveyor perpendicular to the longitudinal direction of the mattress of the bed and adapted to be used for shifting the person or patient resting in the bed along the longitudinal direction of the bed.
  • the person or patients are positioned having the back and the head of the person or patient elevated as compared to the rest of the body of the person or patient.
  • the person or patient may be positioned in a tilted position having his or her head of feet raised as compated to the back of the person or patient.
  • the person or patient resting in a bed often slides along the longitudinal direction of the mattress or bed and need to be repositioned in the bed after some time.
  • the second embodiment of the mat conveyor of the assembly according to the second aspect of the present invention is preferably used.
  • the width is approximately 80 cm or alternatively 60 cm, and the length is approximately 60 cm or alternatively 80 cm.
  • the padding of the mat conveyor of the assembly according to the second aspect of the present invention may comprise fibres presenting a comfor- table resting surface for the person or patient resting in the bed and may comprise fibres made from a polymeric material, such as woven or non-woven polyamide, polypropylene or, preferably, polyester fibres, op ⁇ tionally and preferably non-woven siliconized polyester fibres.
  • a polymeric material such as woven or non-woven polyamide, polypropylene or, preferably, polyester fibres, op ⁇ tionally and preferably non-woven siliconized polyester fibres.
  • the fourth foil is constitu ⁇ ted by a nylon foil
  • the fifth foil is constituted by a cotton fabric
  • the elastic fibrous material of the padding is constituted by silo- conized polyester fibres, the fibres being of an average length of 0,5 - 10 cm, preferably 6 - 7 cm, and of a density of 1 - 30 dTex, such as 6 - 17 dTex.
  • Fig. 1 is a perspective and schematic view of a presently preferred em ⁇ bodiment of a sheet to be arranged on a mattress of a bed or the like, as viewed from the upper side of the sheet,
  • Fig. 2 is a perspective and schematic view of the preferred embodiment of the sheet also shown in Fig. 1, as viewed from the lower side of the sheet,
  • Fig. 3 is a vertical sectional view of the preferred embodiment of the sheet shown in Figs. 1 and 2,
  • Fig. 4 is a vertical sectional view of the preferred embodiment of the sheet also shown in Figs. 1-3, illustrating the water-absorbing and water-accumulating capability of the sheet
  • Fig. 5 is a perspective and schematic view of a presently preferred em ⁇ bodiment of an assembly comprising a sheet, a bed sheet and a mat con ⁇ veyor to be arranged on a mattress of a bed or the like, as view from the upper side of the sheet and the assembly, and
  • Fig. 6 is a perspective view illustrating a person or patient resting in a bed on top of an assembly comprising a mat conveyor, a bed sheet and a sheet and an individual nursing the person or patient resting in the bed and employing the sheet for shifting the person or patient from one po ⁇ sition to an alternative position.
  • a preferred embodiment of a sheet to be arranged on a mattress of a bed or the like is shown.
  • the sheet is designated the re- ference numeral 10 in its entirety.
  • the upper side surface of the sheet is shown and in Fig. 2 the lower side surface of the sheet is shown.
  • the terms "upper” and “lower” in the present context refer to the intentional position of the sheet on a mattress of a bed or the like as the upper side of the sheet is the side to be arranged facing upwardly from the upper side of the bed, and as the lower side of the sheet is the side to be arranged in facial contact with the upper side of the mattress of the bed or the like, such as a conventional cotton or poly ⁇ ester sheet arranged on the mattress of the bed.
  • the sheet 10 is a water-absorbing sheet which is used in hospitals, rest homes, residenti- al homes or private homes in connection with individuals such as adults or children suffering from incontinence.
  • the sheet 10 is basically of a sandwich structure which is disclosed in greater details in Fig. 3.
  • the sheet 10 comprises a first foil 12, a second foil 14, and a third foil 16.
  • the first foil 12 constitutes the foil defining the upper side of the sheet, as is evident from Fig. 1, and is preferably made from a water-permeable material, such as a cotton cloth.
  • the second foil is preferably made from a water-impermeable mate ⁇ rial and may be constituted by a separate foil or alternatively, as is shown in Fig. 3, constituted by a water-impermeable covering of the third foil 16 which constitutes the foil defining the lower side of the sheet, as is evident from Fig. 2.
  • the second foil may constitute a plastic material foil or a synthetic or natural rubber covering of the third foil 16, such as a latex or PVC covering, and the third foil 16 may preferably constitute a friction-increasing foil, such as a cotton velour sheet serving the main purpose of preventing that the sheet 10 is sliding or slipping on the supporting surface such as a conventional cotton sheet arranged on top of a mattress of a bed.
  • a friction-increasing foil such as a cotton velour sheet serving the main purpose of preventing that the sheet 10 is sliding or slipping on the supporting surface such as a conventional cotton sheet arranged on top of a mattress of a bed.
  • the first, second, and third foils 12, 14, and 16, respectively, are sealed together through a circumferential outer seal 18 providing an overall rectangular or substantially quadratic structure defining a sealed enclosure between the first foil 12 and the second foil 14.
  • the enclosure of the sheet is further divided into sub-enclosures through hearing-bone stitches 20 defining a plurality of sub-enclosures, one of which is designated the reference numeral 22.
  • the circumferential outer seal 18 is provided through stitching the first, the second, and the third foils, 12, 14, and 16, respectively, together, whereas the hear ⁇ ing-bone stitches 20 connect or seal the first and the second foils 12 and 14, respectively, together, without establishing connections between the third foil 16 and the first and second foils 12 and 14, respective ⁇ ly.
  • a body of non-water-absor ⁇ bent and elastic fibers is arranged within the sub-enclosures 22 of the sheet 10.
  • a single fiber is designated the reference numeral 24.
  • the fibers, such as the fiber 24, may be consti ⁇ tuted by siliconized or non-siliconized polyester fibers or any other non-water-absorbent synthetic or natural fiber which may preferably stand exposure to a temperature in excess of 70-80°C, such as a tempera ⁇ ture of 90-100°C, as the sheet 10 is preferably cleaned by a washing operation in which the sheet 10 is exposed to a temperature of the order of 80-100°C.
  • the fibers 24 of the body filling out the sub-enclosures 22 of the sheet are composed of individual fibers which together define a mesh structure in which a plurality of capillary cavities are defined, provided the sheet is not exposed to an external force or pressure im ⁇ pact causing a collapsing of the mesh structure defined by the fiber body through which collapsing the number of capillary cavities and the total volume of the capillary cavities is reduced.
  • the sheet 10 is at its lower side provided with two gripping strips 26 and 28 which are sealed to the lower side of the third foil 16 through a plurality of seals or stitchings 27a-27e and 29a-29e, respectively.
  • the gripping strips 26 and 28, respectively are sub-divided into a number of individual gripping handles which may be gripped by a person nursing the person or patient resting on the bed on which the sheet 10 is arranged.
  • the gripping strips 26 and 28 may further be used for shifting the person or patient's position on the bed, for shifting the person or patient from one bed to another, and for removing the sheet 10 from a position underneath the person or patient.
  • the gripping strips 26 and 28 may also be used for handling the sheet 10 in case the person or patient resting on the sheet has urinated the sheet, and con ⁇ sequently for preventing that the person shifting the sheet gets into contact with the urine accumulated within the sheet.
  • Fig. 4 the water- and urine-absorbing and water- and urine-accumu ⁇ lating capability of the sheet 10 is illustrated.
  • the sheet 10 is arranged on top of a mattress 34 of a bed, and the reference nume ⁇ ral 32 schematically illustrates a body part such as the buttocks of the person or patient resting on the bed. If the person or patient, the body part of whom is designated the reference numeral 32, urinates, the urine is accumulated within the sheet 10, as the urine is accumulated within the fiber body in which the above described capillary cavities are de ⁇ fined.
  • the reference nume ⁇ ral 32 schematically illustrates a body part such as the buttocks of the person or patient resting on the bed. If the person or patient, the body part of whom is designated the reference numeral 32, urinates, the urine is accumulated within the sheet 10, as the urine is accumulated within the fiber body in which the above described capillary cavities are de ⁇ fined.
  • the reference numeral 30 designates a level within the fiber body, to which level urine rises through capillary action within the fiber body
  • the reference numeral 31 designates a sloping level from the level 30 towards the lower side of the sheet 30 constituted by the second foil 14.
  • the sloping level 31 is, as is evident from Fig. 2, present below the outer boundary of the body part 32 which compresses the fiber body of the sheet below the body part 32 and consequently re- Jerusalems the free volume of capillary cavities within the fiber body below the body part 32 within which capillary cavities urine or water may be accumulated.
  • the fiber body below the person or patient is compressed, causing an ex ⁇ pelling of urine or water from the capillary cavities of the part of the fiber body in question, and an accumulation of the urine or water ex- pelled from the part of the fiber body below the person or patient with ⁇ in the part of a sheet which is not exposed to mechanical impact.
  • the structure of the sheet 10 on the one hand renders it possible to easily clean or rinse the sheet 10, when a person or patient resting on the sheet has urinated, and on the other hand prevents that urine is to any substantial extent present unaccu u- lated below the person or patient in question.
  • a preferred application of the sheet 10 is illustrated, as the sheet 10 is used in connection with a bed sheet 36 and a mat con ⁇ veyor 38.
  • the sheet 10 may be used in connection with the mat conveyor 38 as the bed sheet 36 may be omitted.
  • the bed sheet 36 is a conventional bed sheet such as a bed sheet made from cotton fabric or fabric containing cotton and polymeric material.
  • the mat conveyor 38 is basically of a structure similar to the mat conveyor described in US pa ⁇ tent No. 4,051,565.
  • the mat conveyor 38 is of an elongated tubular con ⁇ figuration which in the intentional application is collapsed into the state shown in Fig. 5.
  • the mat conveyor 38 basically comprises two foils constituting an outer foil 40 and an inner foil 41.
  • the foils 40 and 41 are arranged concentrically defining the tubular structure and are joined together along outer circumferential joins 43 and intermediate seals or joins 42.
  • the interior of the mat conveyor 38 defined between the concentrically arranged foils 41 and 40 is filled out by an elastic padding constituted by a filling out of elastic fibrous material.
  • the foil 40 is of a high frictional type whereas the foil 41 is a low fric ⁇ tional foil allowing that opposed surface segments of the foil 41 which segments are positioned justaposed one another in the collapsed state shown in Fig.
  • Fig. 6 illustrates the advantageous application of the sheet 10 in con- nection with the mat conveyor 38 and further the bed sheet 36.
  • a bed 46 is shown which bed comprises a bed frame 48 resting on a wheel frame 50.
  • the bed 46 further comprises a head 52.
  • the mattress 34 also shown in Fig. 4 is arranged, and on top of the mattress 34, the mat conveyor 38 is arranged.
  • the bed sheet 36 is arranged and on top of the bed sheet 36, the sheet 10 and a pillow 54 are arranged.
  • the bed sheet 36 is illustrated having dimensions somewhat smaller than the dimensions of the mat conveyor 38.
  • the bed sheet 36 have di- mentions somewhat larger than the dimensions of the mat conveyor 38 and the mattress 34 allowing that the bed sheet 36 provides a complete covering of the mat conveyor 38 and the mattress 34.
  • a patient 56 is resting on the bed having his or her head resting on the pillow 54 and having his or her buttocks resting on the sheet 10.
  • An individual 58 such as a nurse is about to transfer the patient 56 from the bed 46 to another bed or about to shift the patient 56 from the position shown in Fig. 6 in which the patient is lying on his or her back to a position in which the patient is turned over to a position resting on his or her side or lying flat.
  • the individual or nurse 58 easily manages to lift or shift the patient 56 by pulling the sheet 10 as the individual or nurse 58 is able to establish a firm grip at the sheet 10 through the handles 28.
  • the individual or nurse 56 simply pulls the sheet 10 in parallel with the surface of the mat conveyor 38 which establishes a high frictional contact to the lower side surface of the sheet 10 through the bed sheet 36.
  • the bed sheet 36 is, as mentioned above, omitted.
  • the high frictional surface of the mat conveyor 38 constituted by the outer foil 40 establishes a high frictional contact with the lower side surface of the sheet 10.
  • the mat conveyor 38 rolls due to the low frictional inner foil 41 of the mat conveyor.
  • the sheet 10 is used for lifting purpose as the individual or person 58 further raises the handles 58 for turning the patient 56 over.
  • the mat conveyor 38 constitutes an advantageous means for rendering it more easy to turning over the patient 56 by means of the sheet 10 as the inner low frictional foil 41 of the mat conveyor 38 allows that the mat conveyor may adjust its position and so to speak help the individual or nurse 58 in shifting the patient 56 from one position to another.
  • the sheet 10 may alternatively be used for lifting the patient 56 as two individuals or nurses may lift the patient 56 by means of the sheet 10 or alternatively a lifting frame comprising two horisontal bars may be used for lifting the patient 56 as the horisontal bars are used for gripping the handles 26 and 28.
  • a prototype embodiment of the sheet 10 measuring 90 cm x 90 cm was made from the following components:
  • the first foil 12 was made from woven cotton of a density of approxi ⁇ mately 120 g/m 2
  • the second foil 14 was constituted by a PVC cover ⁇ ing of a density of 520 g/m 2 of the third foil 16 which was constituted by a velour cotton sheet.
  • the gripping strips 26 and 28 were constituted by woven polyester belts of a width of approximately 35 mm and a total length of approximately 85 cm each.
  • the enclosure within the sheet 10 was divided into sub-enclosures through hearing bone stitchings 20 filled with siliconized polyester fibers of a length of approximately 3- 4 cm and of a density of 6-17 dTex.
  • the polyester fiber stuffing of the sheet was of a density of 250 g/m 2 .
  • a prototype embodiment of the mat conveyor 38 measuring 190 cm x 85 cm was made from the following components:
  • the outer foil 40 was made from NE76x76-30/30 100% cotton fabric, the inner foil 41 was constituted by a nylon foil.
  • the padding of the mat conveyor 30 was constituted by a polyester fiber padding, the polyester fibers being siliconized for increased patient comfort and pressure relief.
  • the sheet 10 was capable of accumulating approximately 1 litre of liquid within the polyester fiber stuffing of the sheet.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Orthopedic Medicine & Surgery (AREA)
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  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Bedding Items (AREA)

Abstract

A sheet to be arranged on a mattress of a bed or the like comprises a first foil (12) of a water-permeable material and defining a circumferential outer rim and a second foil (14) of a water-impermeable material and defining a circumferential outer rim. The first and second foils (12 and 14) are joined together along a sealing (18) at the outer circumferential rims of the first and second foils, defining a sealed enclosure therebetween. The sheet (10) further comprises a body of non-water-absorbent and elastic fibers (24) which fill out the sealed enclosure and define a plurality of capillary cavities within the body when the sheet is not mechanically influenced, in which capillary cavities water may be accumulated through capillary action. The body is collapsible through elastic deformation of the elastic fibers when the sheet is exposed to a mechanical impact, such as the weight of a person resting on said sheet. The sheet further comprises two gripping strips (26, 28) provided at the outer surface of the sheet opposite to the first foil (12), which gripping strips are provided at opposite rim segments of the sealing. The sheet (10) is preferably used in connection with a mat conveyor and preferably constitutes an element of an assembly also including the mat conveyor.

Description

A sheet, and an assembly comprising a sheet and a mat conveyor
The present invention relates to a sheet and an assembly comprising a sheet and a mat conveyor to be arranged on a mattress of a bed or the like. In numerous instances, such as nursing hospitalized persons or pa¬ tients or nursing elderly persons at nursing homes or resting homes, water- or urine-impermeable sheets are often used for preventing that the person or patient in question urinates the mattress of the bed.
The conventional urine- or water-impermeable sheet is made from a water- impermeable foil such as a plastic foil which is positioned across the mattress of the bed on top of a conventional sheet of the bed, providing a covering of a width of 0.8-1 m across the mattress of the bed. The conventional urine- or water-impermeable sheet of this type merely serves the purpose of preventing that urine or water from the person or patient resting on the mattress of the bed may permeate into the mat¬ tress of the bed. The conventional water-impermeable sheet, however, is not adapted to accumulate the urine or water and is consequently, in nu¬ merous instances, not able to prevent that urine or water permeates into the mattress of the bed. Provided the conventional water-impermeable sheet accumulates the urin or water from the person or patient resting on the mattress, the urin or water is brought into contact with the body part of the person or patient, on which the body part the person or pa¬ tient rests. The contact between the urin or water and the body part of the person or patient may give origin to the generation of bed sore or may accelerate the generation of bed sore. Also, the urine or water pre¬ sent on the urine- or water-impermeable sheet is obviously brought into contact with the body of the person or patient resting on the bed, caus¬ ing discomfort and even in some instances excessive cooling of the per¬ son or patient, and consequently causing that the person or patient catches a cold or catches other diseases such as pneumonia, etc.
Examples of conventional urine- or water-impermeable sheets are dis¬ closed in SE 431507, US 2620494, CA 1107411, EP 0251904 and GB 2202738 to which reference is made, and which US Patent is hereby incorporated in the present specification by reference. An object of the present invention is to provide an improved urine- or water-impermeable sheet to be arranged on a mattress of a bed or the like, which sheet on the one hand is able to prevent that the urine or water permeates into the mattress of the bed and on the other hand is able to prevent, to any substantial extent, that the urine or water is brought into contact with the body of the person or patient resting on the bed, still further rendering it possible to later on rinse the sheet.
A particular feature of the present invention originates from the fact that the sheet is easily rinsable or cleanable through simply washing the sheet for removing any urine or water from the sheet.
A particular advantage of the present invention relates to the structure of the sheet which renders it easy to handle the sheet for shifting the person or patient resting on the sheet from one position to another po¬ sition and from one bed to another bed, for removing the sheet from a position underneath the person or patient resting on the bed and further for handling the sheet without spilling any urine or water from the sheet.
The above object, the above feature, and the above advantage together with numerous other objects, features, and advantages which will be evi- dent from the below detailed description of a preferred embodiment of the sheet according to the present invention are obtained in accordance with a first aspect of the present invention by a sheet according to the present invention, comprising: a first foil of a water-permeable material and defining a circumfe- rential outer rim, a second foil of a water-impermeable material and defining a cir¬ cumferential outer rim, said first and second foils being joined to¬ gether along a sealing at said outer circumferential rims of said first and second foils, defining a sealed enclosure between said first and se- cond foils, and a body of non-water-absorbent and elastic fibers, said body filling out said sealed enclosure and defining a plurality of capillary cavities within said body when said sheet is not mechanically influenced, in which capillary cavities water may be accumulated through capillary ac¬ tion, and said body being collapsible through elastic deformation of said elastic fibers when said sheet is exposed to a mechanical impact, such as the weight of a person resting on said sheet.
Through the provision of the body of non-water-absorbent and elastic fibers, which body defines capillary cavities in which urine or water may be accumulated, any urine or water present on the sheet is accumu¬ lated within the body of non-water-absorbent and elastic fibers. Since the body of non-water-absorbent and elastic fibers is collapsible, the urine or water present beneath the person or patient resting on the sheet on the mattress of the bed is expelled from the part of the body of non-water-absorbent and elastic fibers present below the person or patient since the number of capillary cavities and the total volume of the capillary cavities below the person or patient in question is re¬ duced. The water expelled from the part of the sheet below the person or patient is through capillary action accumulated within the remaining part of the body of non-water-absorbent and elastic fibers, which part is not exposed to mechanical impact, such as impact originating from the weight of the person or patient resting on the sheet.
The enclosure defined between the first and second foils of the sheet may constitute a single enclosure in which the body of non-water-absor¬ bent and elastic fibers is enclosed. In order to prevent that the fiber body is deformed or ruined through mechanical impact, such as the impact generated by the person or patient resting on a sheet and forces or pressures generated during a washing or rinsing operation, the sealed enclosure is preferably divided into several sub-enclosures through ad¬ ditional sealings between the first and second foils and said body of non-water-absorbent and elastic fibers being divided into sub-bodies. The additional sealings may be of any configuration defining any sub- enclosure configuration, such as rectangular or quadratic sub-enclo¬ sures, enclosures bounded by curved boundary lines or e.g. boundary lines of hearing-bone configuration.
The second foil being a water-impermeable material may present a smooth outer surface which is arranged on top of the mattress of the bed which may cause certain problems as the sheet according to the present inven- tion is easily slipping or sliding relative to the mattress. In order to prevent that the sheet is slipping or sliding on the mattress of the bed and consequently shifted from an intentional position to a different po¬ sition, e.g. caused to slip off the mattress of the bed, the sheet ac- cording to the present invention preferably further comprises a third foil of a friction-increasing material, which third foil is arranged at the outer surface of the second foil. The third foil may e.g. be consti¬ tuted by a velour or velvet sheet which may further improve the thermal insulating properties of the sheet. The friction-increasing third foil of the sheet according to the present invention may be provided at cer¬ tain areas of the outer surface of the second foil, such as at the cen¬ tral area of the outer surface of the second foil or extending along the outer circumferential rim of the outer surface of the second foil. Al¬ ternatively and preferably, the third foil covers the entire outer sur- face of the second foil and is sealed to the first foil through the sealing also sealing the first and second foils together.
The sheet according to the present invention may be of a configuration covering the entire mattress of the bed or, alternatively and preferab- ly, constitute a smaller size sheet which is to be arranged at a central area of the mattress of the bed below the buttocks of the person or pa¬ tient resting on the bed. Consequently, the sheet is preferably of a width of the order of 0.75-1.5 m, and the first and the second foils of the sheet are consequently preferably of a width of 0.75-1.5 . Further preferably, the first and second foils are of identical rectangular con¬ figuration, measuring approximately 0.75-1.5 m x 0.75-1.5 , such as 0.90 x 0.90 m.
In order to render it easy to handle the sheet for shifting the position of the person or patient resting on the sheet, for removing the sheet from below the person or patient resting on the sheet, and further for handling the sheet without spilling any urine or water accumulated by the body of non-water-absorbent and elastic fibers of the sheet, the sheet according to the present invention preferably further comprises two gripping strips provided at the outer surface of the sheet opposite to the first foil, which gripping strips are provided at opposite rim segments of said sealing. In order to further improve the handling capability of the sheet accord¬ ing to the present invention, the gripping strips are connected to the sheet through several sealings providing several individual gripping handles.
The fibers of the body characteristic of the sheet according to the pre¬ sent invention may be made from any natural or synthetic material pro¬ viding non-water-absorbent and elastic fibers such as polymeric materi¬ al, e.g. polyamide, polypropylene or, preferably, polyester. The fibers which are preferably constituted by non-woven polyester fibers may further preferably be siliconized which improves the frictional proper¬ ties of the fibers, preventing the fibers from sticking together and further providing a sheet which presents a softer resting surface than a similar sheet produced from non-siliconized polyester fibers.
The fibers may be of any appropriate length and density, providing the body characteristic of the present invention, which body provides a plu¬ rality of capillary cavities in which urine or water may be accumulated and which body is further collapsible through the force or pressure ge- nerated by the weight of a person or patient resting on the sheet. The fibers may e.g. be of an average length of 0.5-10 cm, preferably 3-4 cm, and of a density of 1-30 dTex, such as 6-17 dTex. For providing an ap¬ propriate filling out of the enclosure or the sub-enclosures of the sheet according to the present invention, the fibers of the body pre- ferable have a density of the order of 100-500 g/m2, such as a density of 250 g/m2.
The first foil constituting a water-permeable foil is preferably made from a material which to no substantial extent accumulates urine or water, such as a woven cotton sheet, whereas the second foil being a water-impermeable foil is preferably made from a polymeric material such as a plastic material or a latex material, e.g. a PVC material consti¬ tuting a self-supporting foil or, alternatively and preferably, a cover¬ ing of the third foil which preferably further is constituted by a ve- lour or velvet cotton sheet.
The above object, the above feature and the above advantage together with numerals other objects, features and advantages which will be evi- dent from the below detailed description of a preferred embodiment of the assembly according to the present invention comprising a sheet and a mat conveyor are obtained in accordance with a second aspect of the pre¬ sent invention by an assembly according to the present invention, com- prising: a first foil of a water-permeable material and defining a circumfe¬ rential outer rim, a second foil of a water-impermeable material and defining a cir¬ cumferential outer rim, said first and second foils being joined to- gether along a sealing at said outer circumferential rims of said first and second foils, defining a sealed enclosure between said first and se¬ cond foils, a body of non-water-absorbent and elastic fibers, said body filling out said sealed enclosure and defining a plurality of capillary cavities within said body when said sheet is not mechanically influenced, in which capillary cavities water may be accumulated through capillary ac¬ tion, and said body being collapsible through elastic deformation of said elastic fibers when said sheet is exposed to a mechanical impact, such as the weight of a person resting on said sheet, and two gripping strips provided at the outer surface of said sheet op¬ posite to said first foil, said gripping strips being provided at oppo¬ site rim segments of said sealing, said mat conveyor constituting an open ended, flexible and radially collapsible tubular member, said tubular member comprising: a fourth foil of a high frictional material constituting an outer foil of said tubular member, a fifth foil of a low frictional material constituting an inner foil of said tubular member, said fourth and fifth foil being arranged concentrically and joined together defining therebetween a tubular space, and a padding of an elastic fibrous material constituting a filling-out of said tubular space, said mat conveyor being adapted to be arranged on top of said mat¬ tress, and said sheet being adapted to be arranged on top of said mat conveyor so as to be arranged below the buttocks of a person or patient resting on said bed, said fourth foil of said mat conveyor establishing a high frictional coupling to said second foil of said sheet and said fifth foil of said mat conveyor allowing opposed surface portions of said fifth foil to be interengaged in said collapsed state and allowing a sliding motion of said opposed surface portions relative to one another as one of said gripping stips is pulled causing said sheet and said person or patient resting on said sheet to be moved perpendicular to the tubular axis of said tubular member.
The mat conveyor constituting a component of the assembly according to the second aspect of the present invention basically constitutes a mat conveyor of the type described in US patent No. 4,051,565, to which re- ference is made and which is hereby incorporated in the present specifi¬ cation by reference. The mat conveyor described in the above mentioned US patent suffers from a severe drawback in that a person or patient resting on the mat conveyor and suffering from incontinence may urinate the mat conveyor which is of a structure which is not easily rinsable or cleanable. In GB patent No. 2,159,047, a technique of eliminating the need for cleaning or rinsing the mat conveyor described in the above US patent is disclosed in accordance with which technique, the mat conveyor is simply provided with an outer tubular water-impermeable foil cover¬ ing. The provision of the outer tubular foil covering obviously prevents that urin or water permeates into the mat conveyor. However, the provi¬ sion of the outer tubular water-impermeable foil covering as described in GB patent No. 2,159,047 by no means improves the resting comfort of the mat conveyor as the person or patient is resting on the water- impermeable foil covering. The provision of the water-impermeable outer tubular foil covering of the mat conveyor by no means improves the handling of the mat conveyor as on the one hand the water-impermeable tubular foil covering has to be positioned enclosing the mat conveyor prior to use of the mat conveyor and on the other hand has to be kept in position when using the mat conveyor for its intentional purpose, i.e. for shifting the person or patient resting on the mat conveyor. Accord¬ ing the technique described in GB patent No. 2,159,047 the shifting or transfer of the person or patient resting on the mat conveyor is estab¬ lished by pulling the bed sheet.
By the provision of the assembly according to the second aspect of the present invention, the resting comfort of the person or patient resting on the mat conveyor is largely improved as compared to the technique described in GB Patent No. 2,159,047 as the person or patient resting on the assembly according to the present invention is resting partly on the sheet according to the first aspect of the present invention and partly on the mat conveyor or in accordance with the preferred embodiment of the assembly according to a second aspect of the present invention on a separate foil component constituting a conventional bed sheet. By the provision of the gripping strips of the sheet according to the first as¬ pect of the present invention and constituting a component of the assem¬ bly according to the second aspect of the present invention, the handl¬ ing of the mat conveyor and the person or patient resting on the mat conveyor is radically improved as compared to the technique described in GB Patent No. 2,159,047 as on the one hand the assembly is easily pre¬ pared for use by simply arranging the mat conveyor on the mattress of the bed or the like, by arranging the bed sheet on top of the mat con¬ veyor and further by arranging the sheet according to the first aspect of the present invention on top of the bed sheet or alternatively on top of the mat conveyor provided the separate foil component constituting a bed sheet is omitted, and on the other hand as the person or patient re¬ sting on the bed is easily transferred to or from the bed by an indivi¬ dual nursing the person or patient in question as the individual simply grips one the gripping strips of the sheet of the assembly and employs the sheet as a means for establishing the transfer or shifting of the person or patient resting on the bed. It is to be realized that it is far more convenient for the individual nursing the person or patient resting on the mat to grip one of the gripping strips of the sheet and apply a pulley force to the sheet instead of gripping the conventional bed sheet and pulling the bed sheet for shifting or transferring the person or patient resting on the bed.
The assembly according to the second aspect of the present invention may be implemented in accordance with the teachings of the first aspect of the present invention as the sheet of the assembly according to the se¬ cond aspect of the present invention may comprise any of the features as described above of the sheet according to the first aspect aspect of the present invention.
According to a first embodiment of the mat conveyor of the assembly ac¬ cording to the second aspect of the present invention, the mat conveyor defines a length along said tubular axis and a width perpendicular to said tubular axis, said length and said width substantially correspond¬ ing to the length and the width, respectively, of said mattress. The first embodiment of the mat conveyor of the assembly according to a se¬ cond aspect of the present invention is as will be evident adapted to be arranged on the mattress of a bed so as to position the tubular axis of the mat conveyor along the longitudinal direction of the mattress and the bed and so as to allow that the person or patient resting on the as¬ sembly according the second aspect of the present invention is shifted perpendicular to the longitudinal direction of the mattress of the bed and consequently be repositioned resting on the mattress of the bed and further as described in US patent No. 4,051,565 be shifted from one bed to another.
According to the presently preferred embodiment of the first embodiment of the mat conveyor of the assembly according to the second aspect of the present invention the length is approximately 190 cm and the width is approximately 80 cm, or alternatively approximately 60 cm.
According to a second embodiment of the mat conveyor of the assembly according to a second aspect of the present invention, the mat conveyor defines a width along said tubular axis and a length perpendicular to said tubular axis, said width substantially corresponding to the width of said mattress. The second embodiment of the mat conveyor of the as¬ sembly according to the second aspect of the present invention is adap- ted to be arranged so as to position the tubular axis of the tubular member of the mat conveyor perpendicular to the longitudinal direction of the mattress of the bed and adapted to be used for shifting the person or patient resting in the bed along the longitudinal direction of the bed. In most hospitals, persons or patients are positioned having the back and the head of the person or patient elevated as compared to the rest of the body of the person or patient. Alternatively, the person or patient may be positioned in a tilted position having his or her head of feet raised as compated to the back of the person or patient. In these situtions, the person or patient resting in a bed often slides along the longitudinal direction of the mattress or bed and need to be repositioned in the bed after some time. For rendering it more easy for the nursing staff to reposition a person or patient resting in a bed, the second embodiment of the mat conveyor of the assembly according to the second aspect of the present invention is preferably used.
According to the presently preferred embodiment of the second embodiment of the mat conveyor of the second aspect of the present invention, the width is approximately 80 cm or alternatively 60 cm, and the length is approximately 60 cm or alternatively 80 cm.
The padding of the mat conveyor of the assembly according to the second aspect of the present invention may comprise fibres presenting a comfor- table resting surface for the person or patient resting in the bed and may comprise fibres made from a polymeric material, such as woven or non-woven polyamide, polypropylene or, preferably, polyester fibres, op¬ tionally and preferably non-woven siliconized polyester fibres. Accord¬ ing to the presently preferred embodiment of the assembly according to the second aspect of the present invention, the fourth foil is constitu¬ ted by a nylon foil, the fifth foil is constituted by a cotton fabric, and the elastic fibrous material of the padding is constituted by silo- conized polyester fibres, the fibres being of an average length of 0,5 - 10 cm, preferably 6 - 7 cm, and of a density of 1 - 30 dTex, such as 6 - 17 dTex.
The present invention will now be further described with reference to the drawing, in which
Fig. 1 is a perspective and schematic view of a presently preferred em¬ bodiment of a sheet to be arranged on a mattress of a bed or the like, as viewed from the upper side of the sheet,
Fig. 2 is a perspective and schematic view of the preferred embodiment of the sheet also shown in Fig. 1, as viewed from the lower side of the sheet,
Fig. 3 is a vertical sectional view of the preferred embodiment of the sheet shown in Figs. 1 and 2,
Fig. 4 is a vertical sectional view of the preferred embodiment of the sheet also shown in Figs. 1-3, illustrating the water-absorbing and water-accumulating capability of the sheet, Fig. 5 is a perspective and schematic view of a presently preferred em¬ bodiment of an assembly comprising a sheet, a bed sheet and a mat con¬ veyor to be arranged on a mattress of a bed or the like, as view from the upper side of the sheet and the assembly, and
Fig. 6 is a perspective view illustrating a person or patient resting in a bed on top of an assembly comprising a mat conveyor, a bed sheet and a sheet and an individual nursing the person or patient resting in the bed and employing the sheet for shifting the person or patient from one po¬ sition to an alternative position.
In Figs. 1 and 2, a preferred embodiment of a sheet to be arranged on a mattress of a bed or the like is shown. The sheet is designated the re- ference numeral 10 in its entirety. In Fig. 1, the upper side surface of the sheet is shown and in Fig. 2 the lower side surface of the sheet is shown. The terms "upper" and "lower" in the present context refer to the intentional position of the sheet on a mattress of a bed or the like as the upper side of the sheet is the side to be arranged facing upwardly from the upper side of the bed, and as the lower side of the sheet is the side to be arranged in facial contact with the upper side of the mattress of the bed or the like, such as a conventional cotton or poly¬ ester sheet arranged on the mattress of the bed. The sheet 10 is a water-absorbing sheet which is used in hospitals, rest homes, residenti- al homes or private homes in connection with individuals such as adults or children suffering from incontinence.
The sheet 10 is basically of a sandwich structure which is disclosed in greater details in Fig. 3. Thus, the sheet 10 comprises a first foil 12, a second foil 14, and a third foil 16. The first foil 12 constitutes the foil defining the upper side of the sheet, as is evident from Fig. 1, and is preferably made from a water-permeable material, such as a cotton cloth. The second foil is preferably made from a water-impermeable mate¬ rial and may be constituted by a separate foil or alternatively, as is shown in Fig. 3, constituted by a water-impermeable covering of the third foil 16 which constitutes the foil defining the lower side of the sheet, as is evident from Fig. 2. The second foil may constitute a plastic material foil or a synthetic or natural rubber covering of the third foil 16, such as a latex or PVC covering, and the third foil 16 may preferably constitute a friction-increasing foil, such as a cotton velour sheet serving the main purpose of preventing that the sheet 10 is sliding or slipping on the supporting surface such as a conventional cotton sheet arranged on top of a mattress of a bed.
The first, second, and third foils 12, 14, and 16, respectively, are sealed together through a circumferential outer seal 18 providing an overall rectangular or substantially quadratic structure defining a sealed enclosure between the first foil 12 and the second foil 14. The enclosure of the sheet is further divided into sub-enclosures through hearing-bone stitches 20 defining a plurality of sub-enclosures, one of which is designated the reference numeral 22. The circumferential outer seal 18 is provided through stitching the first, the second, and the third foils, 12, 14, and 16, respectively, together, whereas the hear¬ ing-bone stitches 20 connect or seal the first and the second foils 12 and 14, respectively, together, without establishing connections between the third foil 16 and the first and second foils 12 and 14, respective¬ ly.
Within the sub-enclosures 22 of the sheet 10, a body of non-water-absor¬ bent and elastic fibers is arranged. A single fiber is designated the reference numeral 24. The fibers, such as the fiber 24, may be consti¬ tuted by siliconized or non-siliconized polyester fibers or any other non-water-absorbent synthetic or natural fiber which may preferably stand exposure to a temperature in excess of 70-80°C, such as a tempera¬ ture of 90-100°C, as the sheet 10 is preferably cleaned by a washing operation in which the sheet 10 is exposed to a temperature of the order of 80-100°C. The fibers 24 of the body filling out the sub-enclosures 22 of the sheet are composed of individual fibers which together define a mesh structure in which a plurality of capillary cavities are defined, provided the sheet is not exposed to an external force or pressure im¬ pact causing a collapsing of the mesh structure defined by the fiber body through which collapsing the number of capillary cavities and the total volume of the capillary cavities is reduced.
The sheet 10 is at its lower side provided with two gripping strips 26 and 28 which are sealed to the lower side of the third foil 16 through a plurality of seals or stitchings 27a-27e and 29a-29e, respectively. Through the provision of a plurality of seals or stitchings 27a-27e and 29a-29e, the gripping strips 26 and 28, respectively, are sub-divided into a number of individual gripping handles which may be gripped by a person nursing the person or patient resting on the bed on which the sheet 10 is arranged. The gripping strips 26 and 28 may further be used for shifting the person or patient's position on the bed, for shifting the person or patient from one bed to another, and for removing the sheet 10 from a position underneath the person or patient. The gripping strips 26 and 28 may also be used for handling the sheet 10 in case the person or patient resting on the sheet has urinated the sheet, and con¬ sequently for preventing that the person shifting the sheet gets into contact with the urine accumulated within the sheet.
In Fig. 4, the water- and urine-absorbing and water- and urine-accumu¬ lating capability of the sheet 10 is illustrated. In Fig. 4, the sheet 10 is arranged on top of a mattress 34 of a bed, and the reference nume¬ ral 32 schematically illustrates a body part such as the buttocks of the person or patient resting on the bed. If the person or patient, the body part of whom is designated the reference numeral 32, urinates, the urine is accumulated within the sheet 10, as the urine is accumulated within the fiber body in which the above described capillary cavities are de¬ fined. In Fig. 4, the reference numeral 30 designates a level within the fiber body, to which level urine rises through capillary action within the fiber body, and the reference numeral 31 designates a sloping level from the level 30 towards the lower side of the sheet 30 constituted by the second foil 14. The sloping level 31 is, as is evident from Fig. 2, present below the outer boundary of the body part 32 which compresses the fiber body of the sheet below the body part 32 and consequently re- duces the free volume of capillary cavities within the fiber body below the body part 32 within which capillary cavities urine or water may be accumulated.
As the person or patient resting on the sheet 10 shifts from one posi- tion, such as the position shown in Fig. 4, to a different position, the fiber body below the person or patient is compressed, causing an ex¬ pelling of urine or water from the capillary cavities of the part of the fiber body in question, and an accumulation of the urine or water ex- pelled from the part of the fiber body below the person or patient with¬ in the part of a sheet which is not exposed to mechanical impact. It is further to be realized that the structure of the sheet 10 on the one hand renders it possible to easily clean or rinse the sheet 10, when a person or patient resting on the sheet has urinated, and on the other hand prevents that urine is to any substantial extent present unaccu u- lated below the person or patient in question.
In Fig. 5, a preferred application of the sheet 10 is illustrated, as the sheet 10 is used in connection with a bed sheet 36 and a mat con¬ veyor 38. Alternatively, the sheet 10 may be used in connection with the mat conveyor 38 as the bed sheet 36 may be omitted. The bed sheet 36 is a conventional bed sheet such as a bed sheet made from cotton fabric or fabric containing cotton and polymeric material. The mat conveyor 38 is basically of a structure similar to the mat conveyor described in US pa¬ tent No. 4,051,565. The mat conveyor 38 is of an elongated tubular con¬ figuration which in the intentional application is collapsed into the state shown in Fig. 5. The mat conveyor 38 basically comprises two foils constituting an outer foil 40 and an inner foil 41. The foils 40 and 41 are arranged concentrically defining the tubular structure and are joined together along outer circumferential joins 43 and intermediate seals or joins 42. The interior of the mat conveyor 38 defined between the concentrically arranged foils 41 and 40 is filled out by an elastic padding constituted by a filling out of elastic fibrous material. The foil 40 is of a high frictional type whereas the foil 41 is a low fric¬ tional foil allowing that opposed surface segments of the foil 41 which segments are positioned justaposed one another in the collapsed state shown in Fig. 5 and contacting one another within the interior of the mat conveyor as designated the reference number 44 are easily caused to slide relative to one another allowing an overall rolling of the tubu¬ lar, collapsed mat conveyor 38 in a direction perpendicular to the tubu¬ lar axis of the mat conveyor 38.
Fig. 6 illustrates the advantageous application of the sheet 10 in con- nection with the mat conveyor 38 and further the bed sheet 36. In fig. 6, a bed 46 is shown which bed comprises a bed frame 48 resting on a wheel frame 50. The bed 46 further comprises a head 52. On top of the bed frame 48, the mattress 34 also shown in Fig. 4 is arranged, and on top of the mattress 34, the mat conveyor 38 is arranged. Further on top of the mat conveyor 38, the bed sheet 36 is arranged and on top of the bed sheet 36, the sheet 10 and a pillow 54 are arranged. In Fig. 6, the bed sheet 36 is illustrated having dimensions somewhat smaller than the dimensions of the mat conveyor 38. Normally, the bed sheet 36 have di- mentions somewhat larger than the dimensions of the mat conveyor 38 and the mattress 34 allowing that the bed sheet 36 provides a complete covering of the mat conveyor 38 and the mattress 34. A patient 56 is resting on the bed having his or her head resting on the pillow 54 and having his or her buttocks resting on the sheet 10. An individual 58 such as a nurse is about to transfer the patient 56 from the bed 46 to another bed or about to shift the patient 56 from the position shown in Fig. 6 in which the patient is lying on his or her back to a position in which the patient is turned over to a position resting on his or her side or lying flat. The individual or nurse 58 easily manages to lift or shift the patient 56 by pulling the sheet 10 as the individual or nurse 58 is able to establish a firm grip at the sheet 10 through the handles 28. Provided the patient 56 is to be rolled aside or transferred from the bed 46 to another bed, the individual or nurse 56 simply pulls the sheet 10 in parallel with the surface of the mat conveyor 38 which establishes a high frictional contact to the lower side surface of the sheet 10 through the bed sheet 36. In an alternative application, the bed sheet 36 is, as mentioned above, omitted. In the alternative appli¬ cation, the high frictional surface of the mat conveyor 38 constituted by the outer foil 40 establishes a high frictional contact with the lower side surface of the sheet 10. As the individual or nurse 58 pulls the sheet towards her body, the mat conveyor 38 rolls due to the low frictional inner foil 41 of the mat conveyor. Provided the individual or nurse 58 is to turn the patient 56 over from the position shown in Fig. 6 or any other position, the sheet 10 is used for lifting purpose as the individual or person 58 further raises the handles 58 for turning the patient 56 over. It has been realized that the mat conveyor 38 constitutes an advantageous means for rendering it more easy to turning over the patient 56 by means of the sheet 10 as the inner low frictional foil 41 of the mat conveyor 38 allows that the mat conveyor may adjust its position and so to speak help the individual or nurse 58 in shifting the patient 56 from one position to another. The sheet 10 may alternatively be used for lifting the patient 56 as two individuals or nurses may lift the patient 56 by means of the sheet 10 or alternatively a lifting frame comprising two horisontal bars may be used for lifting the patient 56 as the horisontal bars are used for gripping the handles 26 and 28.
Example
A prototype embodiment of the sheet 10 measuring 90 cm x 90 cm was made from the following components:
The first foil 12 was made from woven cotton of a density of approxi¬ mately 120 g/m2, and the second foil 14 was constituted by a PVC cover¬ ing of a density of 520 g/m2 of the third foil 16 which was constituted by a velour cotton sheet. The gripping strips 26 and 28 were constituted by woven polyester belts of a width of approximately 35 mm and a total length of approximately 85 cm each. The enclosure within the sheet 10 was divided into sub-enclosures through hearing bone stitchings 20 filled with siliconized polyester fibers of a length of approximately 3- 4 cm and of a density of 6-17 dTex. The polyester fiber stuffing of the sheet was of a density of 250 g/m2.
A prototype embodiment of the mat conveyor 38 measuring 190 cm x 85 cm was made from the following components:
The outer foil 40 was made from NE76x76-30/30 100% cotton fabric, the inner foil 41 was constituted by a nylon foil. The padding of the mat conveyor 30 was constituted by a polyester fiber padding, the polyester fibers being siliconized for increased patient comfort and pressure relief.
The sheet 10 was capable of accumulating approximately 1 litre of liquid within the polyester fiber stuffing of the sheet.

Claims

1. A sheet to be arranged on a mattress of a bed or the like, com¬ prising: a first foil of a water-permeable material and defining a circumfe¬ rential outer rim, a second foil of a water-impermeable material and defining a cir¬ cumferential outer rim, said first and second foils being joined to¬ gether along a sealing at said outer circumferential rims of said first and second foils, defining a sealed enclosure between said first and se¬ cond foils, and a body of non-water-absorbent and elastic fibers, said body filling out said sealed enclosure and defining a plurality of capillary cavities within said body when said sheet is not mechanically influenced, in which capillary cavities water may be accumulated through capillary ac¬ tion, and said body being collapsible through elastic deformation of said elastic fibers when said sheet is exposed to a mechanical impact, such as the weight of a person resting on said sheet.
2. The sheet according to Claim 1, said sealed enclosure being di- vided into several sealed sub-enclosures through additional sealings sealing said first and second foils and said body of non-water-absorbent and elastic fibers being divided into sub-bodies.
3. The sheet according to any of the Claims 1-2, further comprising a third foil of a friction-reducing material, said third foil being ar- ranged at the outer surface of said second foil.
4. The sheet according to Claim 3, said third foil covering the outer surface of said second foil and being sealed to said first foil through said sealing.
5. The sheet according to any of the Claims 1-4, said first and se- cond foils being of identical rectangular configuration measuring ap¬ proximately 0.75-1.5 x 0.75-1.5 m, such as 0.90 m x 0.90 m.
6. The sheet according to any of the Claims 1-5, further comprising two gripping strips provided at the outer surface of said sheet opposite to said first foil, said gripping strips being provided at opposite rim segments of said sealing.
7. The sheet according to Claim 6, each of said gripping strips be¬ ing connected to said sheet through several sealings providing several individual gripping handles.
8. The sheet according to any of the Claims 1-7, said fibers being made from polymeric material, such a woven or non-woven polyamide, poly¬ propylene or, preferably, polyester fibers, optionally and preferably non-woven siliconized polyester fibers.
9. The sheet according to Claim 8, said fibers being of an average length of 0.5-10 cm, preferably 3-4 cm, of a density of 1-30 dTex, such as 6-17 dTex, said body of said fibers having a density of 100-500 g/m2, such as 250 g/m2.
10. The sheet according to any of the Claims 1-9, said first foil being a woven cotton sheet, and said second foil being made from a poly¬ meric material, such as a plastic material or a latex material consti¬ tuting a self-supporting foil or, alternatively and preferably, a cover¬ ing of said third foil .
11. An assembly comprising of a sheet and a mat conveyor to be ar- ranged on a mattress of a bed or the like, said sheet comprising: a first foil of a water-permeable material and defining a circumfe¬ rential outer rim, a second foil of a water-impermeable material and defining a cir¬ cumferential outer rim, said first and second foils being joined to- gether along a sealing at said outer circumferential rims of said first and second foils, defining a sealed enclosure between said first and se¬ cond foils, a body of non-water-absorbent and elastic fibers, said body filling out said sealed enclosure and defining a plurality of capillary cavities within said body when said sheet is not mechanically influenced, in which capillary cavities water may be accumulated through capillary ac¬ tion, and said body being collapsible through elastic deformation of said elastic fibers when said sheet is exposed to a mechanical impact, such as the weight of a person resting on said sheet, and two gripping strips provided at the outer surface of said sheet op¬ posite to said first foil, said gripping strips being provided at oppo¬ site rim segments of said sealing, said mat conveyor constituting an open ended, flexible and radially collapsible tubular member defining a tubular axis, said tubular member comprising: a fourth foil of a high frictional material constituting an outer foil of said tubular member, a fifth foil of a low frictional material constituting an inner foil of said tubular member, said fourth and fifth foil being arranged concentrically and joined together defining therebetween a tubular space, and a padding of an elastic fibrous material constituting a filling-out of said tubular space, said mat conveyor being adapted to be arranged on top of said mat¬ tress, and said sheet being adapted to be arranged on top of said mat conveyor so as to be arranged below the buttocks of a person or patient resting on said bed, said fourth foil of said mat conveyor establishing a high frictional coupling to said second foil of said sheet and said fifth foil of said mat conveyor allowing opposed surface portions of said fourth foil to be interengaged in said collapsed state and allowing a sliding motion of said opposed surface portions relative to one another as one of said gripping stips is pulled causing said sheet and said person or patient resting on said sheet to be moved perpendicular to said tubular axis.
12. The assembly according to Claim 11, further comprising a sepa¬ rate foil component defining a length and a width substantially corre¬ sponding to the length and the width, respectively, of said mattress, said foil component being adapted to be interspaced between said mat conveyor and said sheet.
13. The assembly according to any of the Claims 11 or 12, said sheet further comprising any of the characteristics of the sheet as de¬ fined in any of the Claims 2-5 and 7-10.
14. The assembly according to any of the Claims 11-13, said mat conveyor defining a length along said tubular axis and a width perpendi¬ cular to said tubular axis, said length and width substantially cor¬ responding to the length and the width, respectively, of said mattress.
15. The assembly according to Claim 14, said length being approxi- mately 190 cm, and said width being approximately 80 cm, or alternative¬ ly approximately 60 cm.
16. The assembly according to any of the Claims 11-13, said mat conveyor defining a width along said tubular axis and a length perpendi¬ cular to said tubular axis, said width substantially corresponding to the width of said mattress.
17. The assembly according to Claim 16, said width being approxima¬ tely 80 cm or alternatively 60 cm, and said length being approximately 60 cm or alternatively 80 cm.
18. The assembly according to any of the Claims 11-17, said padding comprising fibres made from a polymeric material, such as woven or non- woven polyamide, polypropylene or, preferably, polyester fibres, optio¬ nally and preferably non-woven siliconized polyester fibres.
19. The assembly according to any of the Claims 11-18, said third foil being constituted by a nylon foil, said fourth foil being constitu¬ ted by a cotton fabric, and said elastic fibrous material of said pad¬ ding being constituted by siliconized polyester fibres being of an ave¬ rage length of 0,5 - 10 cm, preferably 6 - 7 cm, and of a density of 1 - 30 dTex, such as 6 - 17 dTex.
PCT/DK1994/000096 1993-03-09 1994-03-04 A sheet, and an assembly comprising a sheet and a mat conveyor Ceased WO1994020002A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU62566/94A AU6256694A (en) 1993-03-09 1994-03-04 A sheet, and an assembly comprising a sheet and a mat conveyor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DK26493A DK26493D0 (en) 1993-03-09 1993-03-09 drawsheet
DK0264/93 1993-03-09
DK0936/93 1993-08-16
DK93693A DK93693D0 (en) 1993-08-16 1993-08-16 SOCKET AND ROLL MATTRESS

Publications (1)

Publication Number Publication Date
WO1994020002A1 true WO1994020002A1 (en) 1994-09-15

Family

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Application Number Title Priority Date Filing Date
PCT/DK1994/000096 Ceased WO1994020002A1 (en) 1993-03-09 1994-03-04 A sheet, and an assembly comprising a sheet and a mat conveyor

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AU (1) AU6256694A (en)
WO (1) WO1994020002A1 (en)

Cited By (22)

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DE19615187A1 (en) * 1995-04-22 1996-10-24 Mueller Textil Gmbh Mat for preventing bed-sores
GB2300619A (en) * 1995-05-12 1996-11-13 Phillip Walter Strong Patent Transfer Aid
AU699622B2 (en) * 1995-11-03 1998-12-10 John Anthony Neville Bromberger Patient anti-slide device
US5860174A (en) * 1996-12-03 1999-01-19 Hausted, Inc. Patient transfer mattress system
WO2001037774A1 (en) * 1999-11-22 2001-05-31 Air Comfort International Ab Combination mattress
EP1091662A4 (en) * 1998-07-02 2005-03-23 Salix Medical Inc Shear force modulation system
EP2258242A1 (en) * 2009-06-04 2010-12-08 Bodet & Horst GmbH & Co. KG Mattress protector on the top of a mattress
US7849533B1 (en) 2009-09-30 2010-12-14 Hill-Rom Services, Inc. Occupant transfer sheet
US7975330B2 (en) 2009-09-30 2011-07-12 Hill-Rom Services, Inc. Occupant transfer topper
WO2011107579A1 (en) * 2010-03-04 2011-09-09 Heinrich Essers Gmbh & Co. Kg Pad, in particular for a mattress in the nursing care and hospital fields
EP2787950A4 (en) * 2011-12-08 2015-08-19 Medimattress Oy TRANSFER COVER
US10022277B2 (en) 2013-03-13 2018-07-17 Hill-Rom Services, Inc. Methods and apparatus for the detection of moisture and multifunctional sensor systems
US10115291B2 (en) 2016-04-26 2018-10-30 Hill-Rom Services, Inc. Location-based incontinence detection
US10159607B2 (en) 2015-11-16 2018-12-25 Hill-Rom Services, Inc. Incontinence detection apparatus
US10559187B2 (en) 2011-07-19 2020-02-11 Hill-Rom Services, Inc. Moisture detection system
US10653567B2 (en) 2015-11-16 2020-05-19 Hill-Rom Services, Inc. Incontinence detection pad validation apparatus and method
US10716715B2 (en) 2017-08-29 2020-07-21 Hill-Rom Services, Inc. RFID tag inlay for incontinence detection pad
US11457848B2 (en) 2016-11-29 2022-10-04 Hill-Rom Services, Inc. System and method for determining incontinence device replacement interval
US11707387B2 (en) 2015-11-16 2023-07-25 Hill-Rom Services, Inc. Incontinence detection method
US11712186B2 (en) 2019-09-30 2023-08-01 Hill-Rom Services, Inc. Incontinence detection with real time location information
US11950987B2 (en) 2019-05-21 2024-04-09 Hill-Rom Services, Inc. Manufacturing method for incontinence detection pads having wireless communication capability
US12048613B2 (en) 2019-09-30 2024-07-30 Hill-Rom Services, Inc. Incontinence detection system

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US2620494A (en) * 1947-11-05 1952-12-09 Leah A Kay Absorbent protective pad
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Cited By (40)

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DE19615187C2 (en) * 1995-04-22 2000-12-07 Mueller Textil Gmbh Pressure ulcer pad
DE19615187A1 (en) * 1995-04-22 1996-10-24 Mueller Textil Gmbh Mat for preventing bed-sores
GB2300619A (en) * 1995-05-12 1996-11-13 Phillip Walter Strong Patent Transfer Aid
GB2300619B (en) * 1995-05-12 1999-03-10 Phillip Walter Strong Improved transfer aid
AU699622B2 (en) * 1995-11-03 1998-12-10 John Anthony Neville Bromberger Patient anti-slide device
US5860174A (en) * 1996-12-03 1999-01-19 Hausted, Inc. Patient transfer mattress system
EP1091662A4 (en) * 1998-07-02 2005-03-23 Salix Medical Inc Shear force modulation system
WO2001037774A1 (en) * 1999-11-22 2001-05-31 Air Comfort International Ab Combination mattress
EP2258242A1 (en) * 2009-06-04 2010-12-08 Bodet & Horst GmbH & Co. KG Mattress protector on the top of a mattress
US7849533B1 (en) 2009-09-30 2010-12-14 Hill-Rom Services, Inc. Occupant transfer sheet
US7975330B2 (en) 2009-09-30 2011-07-12 Hill-Rom Services, Inc. Occupant transfer topper
WO2011107579A1 (en) * 2010-03-04 2011-09-09 Heinrich Essers Gmbh & Co. Kg Pad, in particular for a mattress in the nursing care and hospital fields
US9072639B2 (en) 2010-03-04 2015-07-07 Heinrich Essers Gmbh & Co. Kg Pad, in paticular for a mattress in the nursing care and hospital sector
US10559187B2 (en) 2011-07-19 2020-02-11 Hill-Rom Services, Inc. Moisture detection system
EP2787950A4 (en) * 2011-12-08 2015-08-19 Medimattress Oy TRANSFER COVER
US9795529B2 (en) 2011-12-08 2017-10-24 Medimattress Oy Transfer cover
US10299968B2 (en) 2013-03-13 2019-05-28 Hill-Rom Services, Inc. Wireless incontinence detection apparatus
US10022277B2 (en) 2013-03-13 2018-07-17 Hill-Rom Services, Inc. Methods and apparatus for the detection of moisture and multifunctional sensor systems
US11331227B2 (en) 2013-03-13 2022-05-17 Hill-Rom Services, Inc. Apparatus for the detection of moisture
US10973701B2 (en) 2013-03-13 2021-04-13 Hill-Rom Services, Inc. Apparatus for the detection of moisture
US12138142B2 (en) 2013-03-13 2024-11-12 Hill-Rom Services, Inc. Apparatus for the detection of moisture
US10646379B2 (en) 2013-03-13 2020-05-12 Hill-Rom Services, Inc. Incontinence detection apparatus having displacement alert
US10682263B2 (en) 2013-03-13 2020-06-16 Hill-Rom Services, Inc. Apparatus for the detection of moisture
US10653567B2 (en) 2015-11-16 2020-05-19 Hill-Rom Services, Inc. Incontinence detection pad validation apparatus and method
US10350116B2 (en) 2015-11-16 2019-07-16 Hill-Rom Services, Inc. Incontinence detection apparatus electrical architecture
US10159607B2 (en) 2015-11-16 2018-12-25 Hill-Rom Services, Inc. Incontinence detection apparatus
US11147719B2 (en) 2015-11-16 2021-10-19 Hill-Rom Services, Inc. Incontinence detection systems for hospital beds
US11707387B2 (en) 2015-11-16 2023-07-25 Hill-Rom Services, Inc. Incontinence detection method
US11364155B2 (en) 2015-11-16 2022-06-21 Hill-Rom Services, Inc. Incontinence detection pad validation apparatus and method
US11717452B2 (en) 2015-11-16 2023-08-08 Hill-Rom Services, Inc. Incontinence detection systems for hospital beds
US10115291B2 (en) 2016-04-26 2018-10-30 Hill-Rom Services, Inc. Location-based incontinence detection
US11457848B2 (en) 2016-11-29 2022-10-04 Hill-Rom Services, Inc. System and method for determining incontinence device replacement interval
US11020284B2 (en) 2017-08-29 2021-06-01 Hill-Rom Services, Inc. Incontinence detection pad with liquid filter layer
US11707388B2 (en) 2017-08-29 2023-07-25 Hill-Rom Services, Inc. Method of manufacturing RFID tags
US11478383B2 (en) 2017-08-29 2022-10-25 Hill-Rom Services, Inc. Incontinence detection pad having redundant electrical paths to an RFID tag
US10716715B2 (en) 2017-08-29 2020-07-21 Hill-Rom Services, Inc. RFID tag inlay for incontinence detection pad
US11950987B2 (en) 2019-05-21 2024-04-09 Hill-Rom Services, Inc. Manufacturing method for incontinence detection pads having wireless communication capability
US11712186B2 (en) 2019-09-30 2023-08-01 Hill-Rom Services, Inc. Incontinence detection with real time location information
US12048613B2 (en) 2019-09-30 2024-07-30 Hill-Rom Services, Inc. Incontinence detection system
US12186083B2 (en) 2019-09-30 2025-01-07 Hill-Rom Services, Inc. Patient support apparatus as communication intermediary for incontinence detection pad and patient diagnostic patch

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