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PE20000732A1 - Miembro de transporte de liquido para velocidades de flujo altas entre dos regiones de membrana - Google Patents

Miembro de transporte de liquido para velocidades de flujo altas entre dos regiones de membrana

Info

Publication number
PE20000732A1
PE20000732A1 PE1999000586A PE00058699A PE20000732A1 PE 20000732 A1 PE20000732 A1 PE 20000732A1 PE 1999000586 A PE1999000586 A PE 1999000586A PE 00058699 A PE00058699 A PE 00058699A PE 20000732 A1 PE20000732 A1 PE 20000732A1
Authority
PE
Peru
Prior art keywords
region
less
average
flow rates
high flow
Prior art date
Application number
PE1999000586A
Other languages
English (en)
Inventor
Fred Naval Desai
Karl Michael Schumann
Gary Dean Lavon
Donald Carroll Roe
Mattias Schmidt
Bruno Johanness Ehrnsperger
Gerald Alfred Young
Original Assignee
Procter & Gamble
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
Application filed by Procter & Gamble filed Critical Procter & Gamble
Publication of PE20000732A1 publication Critical patent/PE20000732A1/es

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/36Surgical swabs, e.g. for absorbency or packing body cavities during surgery
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00Closures with filling and discharging, or with discharging, devices
    • B65D47/04Closures with discharging devices other than pumps
    • B65D47/20Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2031Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Laminated Bodies (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Lubricants (AREA)
  • Catching Or Destruction (AREA)
  • Buffer Packaging (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Closures For Containers (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

QUE COMPRENDE: i) UNA REGION DE VOLUMEN QUE TIENE PERMEABILIDAD A LOS FLUIDOS PROMEDIO kb, DE CUANDO MENOS 10-11 m² Y NO MAS QUE 10-² m², DENSIDAD PROMEDIO, EN SECO, MAYOR A 0,001 g/cm3, TAMANO DE PORO DE POR LO MENOS 200 µm Y POROSIDAD DE CUANDO MENOS 50%; ii) UNA REGION DE PARED QUE CIRCUNSCRIBE POR COMPLETO A LA REGION (i), COMPRENDIENDO UNA REGION DE PUERTO QUE TIENE: POROSIDAD DE CUANDO MENOS 10%, TAMANO DE PORO NO MAYOR A 100 µm, ESPESOR dp Y PERMEABILIDAD PROMEDIO kp DE POR LO MENOS 6x10-20 m², TENIENDO ADEMAS UNA PROPORCION kp/dp DE CUANDO MENOS 10-7 m; DONDE (i) TIENE UN kb MAYOR A LA PERMEABILIDAD PROMEDIO kp DE LAS REGIONES DE PUERTO. DICHO MIEMBRO TIENE ASIMISMO UNA PRIMERA REGION QUE COMPRENDE PRIMEROS MATERIALES; Y UN ELEMENTO ADICIONAL, EN CONTACTO CON LOS PRIMEROS MATERIALES Y CON (ii), QUE SE EXTIENDE HACIA EL INTERIOR DE UNA VECINA SEGUNDA REGION DE DICHO MIEMBRO PARA TRANSPORTE DE LIQUIDOS. ADEMAS, EL MIEMBRO TIENE UNA PRESION EN EL PUNTO DE BURBUJEO, MEDIDA CON AGUA DE TENSION SUPERFICIAL DE 72 mN/m, DE POR LO MENOS 1 KPa, SIENDO ESTA PRESION MAYOR A LA PRESION CAPILAR DEL ELEMENTO ADICIONAL. ASIMISMO, (i) Y (ii) SON DE MATERIAL SELECCIONADO DE GRUPOS DE FIBRAS, PARTICULADOS, ESPUMAS, ESPIRALES, ENTRE OTROS. SE REFIERE TAMBIEN A ARTICULOS QUE COMPRENDEN EL MIEMBRO DE TRANSPORTE YA DESCRITO
PE1999000586A 1998-06-29 1999-06-30 Miembro de transporte de liquido para velocidades de flujo altas entre dos regiones de membrana PE20000732A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1998/013449 WO2000000127A1 (en) 1998-06-29 1998-06-29 High flux liquid transport members comprising two different permeability regions

Publications (1)

Publication Number Publication Date
PE20000732A1 true PE20000732A1 (es) 2000-10-20

Family

ID=22267389

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1999000586A PE20000732A1 (es) 1998-06-29 1999-06-30 Miembro de transporte de liquido para velocidades de flujo altas entre dos regiones de membrana

Country Status (8)

Country Link
EP (1) EP1119327A2 (es)
JP (5) JP2003523779A (es)
AR (1) AR017489A1 (es)
AT (1) ATE242621T1 (es)
AU (2) AU8271698A (es)
CA (12) CA2334158C (es)
PE (1) PE20000732A1 (es)
WO (2) WO2000000127A1 (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6764476B1 (en) 1998-06-29 2004-07-20 The Procter & Gamble Company Absorbent article comprising a liquid handling member that rapidly distributes acquired liquid
US6659992B1 (en) 1998-06-29 2003-12-09 The Procter & Gamble Company Absorbent article instanteously storing liquid in a predefined pattern
EP1112728A1 (en) 1999-12-23 2001-07-04 The Procter & Gamble Company Liquid removal system having improved dryness of the user facing surface
EP1110517A1 (en) 1999-12-23 2001-06-27 The Procter & Gamble Company Compressible urine collector
US7799967B2 (en) 2004-04-08 2010-09-21 Kimberly-Clark Worldwide, Inc. Differentially expanding absorbent structure
CN101257875A (zh) 2005-09-06 2008-09-03 泰科保健集团有限合伙公司 具有微型泵的独立伤口敷料
MX2014000526A (es) 2011-07-14 2014-10-01 Smith & Nephew Vendaje para heridas y método de tratamiento.
AU2013264934B2 (en) 2012-05-23 2017-07-20 Smith & Nephew Plc Apparatuses and methods for negative pressure wound therapy
DK2879636T3 (da) 2012-08-01 2017-06-19 Smith & Nephew Sårbandage
EP2879635A2 (en) 2012-08-01 2015-06-10 Smith & Nephew PLC Wound dressing and method of treatment
WO2015193257A1 (en) 2014-06-18 2015-12-23 Smith & Nephew Plc Wound dressing
FI128507B (fi) * 2016-06-20 2020-06-30 Mikkelin Ammattikorkeakoulu Oy Menetelmä ja laite kuitususpension jauhatusasteen määrittämiseksi
GB2555584B (en) 2016-10-28 2020-05-27 Smith & Nephew Multi-layered wound dressing and method of manufacture
CN112098298A (zh) * 2020-09-15 2020-12-18 安徽明天氢能科技股份有限公司 一种测试燃料电池碳纸各向异性渗透率的装置及方法
CA3203890A1 (en) * 2021-01-07 2022-07-14 Zhihui Yin Wheelchair securable urine collection systems and related methods

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4676785A (en) * 1985-10-21 1987-06-30 Battista Orlando A Liquid retaining absorbent structure
US4988235A (en) 1988-04-27 1991-01-29 Dennis Hurley System for draining land areas through siphoning from a permeable catch basin
US5078709A (en) * 1988-04-29 1992-01-07 Evaporating Apparel Industries Evaporating attachment means suitable for containing and draining fluids emanating from a subject
ZA903296B (en) * 1989-05-26 1991-02-27 Kimerly Clark Corp Vertical wicking structures from wet crosslinked cellulose fiber structures
US5387207A (en) 1991-08-12 1995-02-07 The Procter & Gamble Company Thin-unit-wet absorbent foam materials for aqueous body fluids and process for making same
US5498252A (en) * 1993-01-11 1996-03-12 Silber; Arthur L. Toxicity resistant, self-fitting and adjustable, self-closing tampon structure
US5584988A (en) 1993-11-11 1996-12-17 Nissan Motor Co., Ltd. Filter for in-tank fuel pump
US5563179A (en) 1995-01-10 1996-10-08 The Proctor & Gamble Company Absorbent foams made from high internal phase emulsions useful for acquiring and distributing aqueous fluids
US5650222A (en) * 1995-01-10 1997-07-22 The Procter & Gamble Company Absorbent foam materials for aqueous fluids made from high internal phase emulsions having very high water-to-oil ratios
US5591335A (en) 1995-05-02 1997-01-07 Memtec America Corporation Filter cartridges having nonwoven melt blown filtration media with integral co-located support and filtration
US6060638A (en) * 1995-12-22 2000-05-09 Kimberly-Clark Worldwide, Inc. Matched permeability liner/absorbent structure system for absorbent articles and the like
US6372952B1 (en) * 1996-03-22 2002-04-16 The Procter & Gamble Company Absorbent components having a sustained acquisition rate capability upon absorbing multiple discharges of aqueous body fluids
SE506744C2 (sv) 1996-03-22 1998-02-09 Alfa Laval Ab Filterenhet för roterande skivfilter och förfarande för dess framställning
EP0810078A1 (en) 1996-05-28 1997-12-03 The Procter & Gamble Company Method for making fluid distribution materials
NL1003309C1 (nl) 1996-06-10 1996-07-24 Rossmark Van Wijk En Boerma Wa Membraanfiltersysteem en drukvat geschikt voor membraanfiltratie.
US5769834A (en) * 1996-11-18 1998-06-23 The Procter & Gamble Company Absorbent article having a fluid pumping element
US5820973A (en) * 1996-11-22 1998-10-13 Kimberly-Clark Worldwide, Inc. Heterogeneous surge material for absorbent articles
US5843063A (en) * 1996-11-22 1998-12-01 Kimberly-Clark Worldwide, Inc. Multifunctional absorbent material and products made therefrom

Also Published As

Publication number Publication date
WO2000000146A2 (en) 2000-01-06
AR017489A1 (es) 2001-09-05
CA2334180A1 (en) 2000-01-06
CA2335639A1 (en) 2000-01-06
JP2003523779A (ja) 2003-08-12
AU4963899A (en) 2000-01-17
WO2000000146A3 (en) 2001-05-25
CA2333760C (en) 2005-02-08
CA2333760A1 (en) 2000-01-06
JP2003527249A (ja) 2003-09-16
AU8271698A (en) 2000-01-17
CA2334158A1 (en) 2000-01-06
CA2333719A1 (en) 2000-01-06
JP2003523840A (ja) 2003-08-12
CA2336019C (en) 2005-07-05
JP2003523894A (ja) 2003-08-12
CA2334162A1 (en) 2000-01-06
CA2336019A1 (en) 2000-01-06
CA2333765A1 (en) 2000-01-06
CA2333697A1 (en) 2000-01-06
EP1119327A2 (en) 2001-08-01
CA2333719C (en) 2007-04-03
CA2333697C (en) 2006-10-03
CA2334158C (en) 2007-02-13
CA2335622A1 (en) 2000-01-06
WO2000000127A1 (en) 2000-01-06
CA2335589A1 (en) 2000-01-06
CA2335625A1 (en) 2000-01-06
ATE242621T1 (de) 2003-06-15
JP2003523778A (ja) 2003-08-12

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