DE202011004158U1 - Device for protecting vessels and organs during wound drainage - Google Patents

Abstract

Device for protecting vessels and organs during the removal of wound secretions from body cavities and wounds with drainage agents, characterized in that a soft, elastic, coarse-pored foam (1) with a very small thickness (6) with a through-seam (4) connected, anti-adhesive, with perforation (3) provided film (2), is coated.

Description

The invention relates to a device for the protection of vessels and organs in wound drainages.

The device is particularly suitable for protection in the permanent removal of wound secretions from body cavities.

Wound secretions are predominantly watery secretions that can escape from a wound due to injury.

The composition of the wound secretions, which are mainly fed from the cell interstices, can vary widely. They contain predominantly admixtures of serum proteins and traces of blood constituents. In an infection, wound secretions also contain increased amounts of macrophages to eliminate the microorganisms. This can be linked to the formation of pus. If the wound exudate from an inflamed body cavity is not removed, this leads to the formation of abscesses.

Various devices are used in practice to remove wound secretions from body cavities.

The use of drainage tubes, abdominal towels or smaller sponges is known.

However, the known devices are associated with disadvantages.

The use of drainage tubes very quickly leads to the formation of channels in the body cavity. The wound secretion in the body cavity is thus extracted only when it is in the vicinity of such a channel. Otherwise, it remains in the body cavity. Drainage hoses are therefore not suitable for permanently and as completely as possible suction of wound secretions. Drainage hoses are mostly made of silicone.

Bellycloths are usually rectangular layers of cotton or a similar soft and absorbent material that are incorporated into the body cavity. The absorbent material absorbs the wound secretions present in the body cavity. Naturally, however, such a belly cloth has only a limited capacity for absorbing body fluids. For this reason, it is necessary to remove the abdomen after a certain time from the body cavity and replace it with a new one. This replacement of the abdominal sheets is associated with surgery and permanent anesthesia, which can adversely affect the patient's physical and mental condition. Moreover, the practitioner who puts a belly-cloth into a body cavity has to make sure that it is replaced before its capacity is actually exhausted. For this reason, the practitioner has to speculate as to how this will be the case.

Sponges are too crude and inflexible to bring into body cavities. Since the sponges are rigid and too small, they can only be used in small body cavities. Due to the nature of the sponges is to be expected damage to organ surfaces.

The non-aspirated sections of the body cavity stick together and can ignite. They are therefore not or only very limited suitable for the suction of wound secretions from body cavities.

Sponges are therefore used primarily for the treatment of external wounds. For this purpose, the sponge is applied to the wound, the wound and the sponge thereon covered with a vacuum film and the sponge connected to a drainage tube, via which a negative pressure between the top of the outer wound and the underside of the vacuum film can be generated. The wound secretion can be sucked out of the open wound.

The sponge can be tailored to the size of the wound by cutting. However, the sponge must not only cover the wound but also have a certain thickness over the wound to provide even distribution of negative pressure across the wound surface.

However, a particular disadvantage is the risk that the sponge clogged, so that the negative pressure can no longer be distributed evenly over the wound surface.

Another disadvantage is the too large sponge thickness - in body cavities.

• a) zumindest zwei aufeinander liegende Lagen eines Schaumstoffkörpers aus offenporigem Polyurethan, wobei das Polyurethan eine Porengröße von 10 bis 75 ppi und eine Rohdichte von 14 bis 75 kg/m³ aufweist, und
• b) zumindest einen Schlauch mit offenen Enden, dessen eines offene Ende zwischen zwei benachbarten Lagen des Schaumstoffkörpers eingebracht ist, wobei sich das zweite offene Ende des Schlauches außerhalb der Lagen befindet,

umfasst.The invention EP 1674 127 A1 relates to a device for removing secretions from body cavities. According to the invention, it is provided that the device

• a) at least two superimposed layers of a foam body of open-cell polyurethane, wherein the polyurethane has a pore size of 10 to 75 ppi and a bulk density of 14 to 75 kg / m ³ , and
• b) at least one tube having open ends, one open end of which is inserted between two adjacent layers of the foam body, the second open end of the tube being outside the layers,

includes.

This invention also has all the disadvantages such as the risk of blockage or organ injury, as they occur when using sponges.

in the GB 20 2009 005 780.1 [0002] There is described a device for removing secretions from body cavities in which two superimposed elastic, porous, soft labyrinth materials discharge fluid out of the body to the outside.

in the GB 20 2009 008 788.3 Two elastic, porous, secretory materials direct the wound secretion through a drain to the outside.

The GB 20 2009 008 788.3 describes the use of two connected sponges or foams with inlaid drains to dissipate wound secretions.

The too large thickness of the foam, about 20 mm, brings with the placement in the body cavity and the transport of the secretion problems.

All described dressings, foams and drainage must not come into direct contact with vessels and organs.

By surgical procedures, a thick layer of natural tissue can protect the vessels and organs.

Non-adherent materials must be applied in such a way that they retain their protective effect during the course of therapy.

Thus, no device is known from the prior art, which allows a permanent and complete removal of wound secretions from body cavities by a very thin and flexible, open-pore design with simultaneous protection of the vessels and organs.

The object of the invention is to coat a device made of open-pore, very thin foam with a vascular and Organschützenden, perforated foil, so that an optimal vascular and organ protection against other drainage materials achieved in the body cavity and the suction of wound secretion is not hindered.

This object is solved by the features of the claims.

Advantageous embodiments of the invention will become apparent from the features of the remaining claims.

• – zumindest einen offenporigen, weichen Schaumstoff als sehr dünne Flachlage
• – zumindest eine perforierte Umhüllung aus einer Organ- und Gefäßschonenden Folie.

According to the invention, a device for protecting the vessels and organs in the suction of wound exudate from body cavities is provided, comprising

• - At least one open-pored, soft foam as a very thin flat layer
• - At least a perforated wrapper of an organ and vascular gentle foil.

The very thin, open-pored, soft foam is covered with a perforated foil.

The attachment of the perforated film on the foam is achieved by means of seams in a star-shaped contour.

The film is anti-adhesive, perforated, atraumatic, very soft and flexible.

The star-shaped seam design allows the user to cut the device according to the invention without creating a separation between the foam and the film. The free interface is masked by means of the enclosed adhesive foil, so that there is no risk of injury to the vessels and organs.

Under a body cavity is here understood a cavity of the human or animal body. Such cavities are usually lined with an epithelium or mesothelium.

The device according to the invention can be used, for example, for removing wound secretions from the peritoneal cavity (Cavitas peritonealis), pleural cavity (Cavitas pleuralis) or joint cavities (Cavitas articularis).

The device according to the invention makes it possible for the first time to permanently suck up wound secretions from a body opening. The device is flexible and allows a long-term, continuous and organ-friendly suction of wound secretions from body cavities. The risk of injury to organs is largely excluded by the material of the device.

The device according to the invention promotes a permanent and complete removal of wound exudate from body cavities. The blood circulation at the feeding points is improved, edema is reduced, the danger of a compartment syndrome is reduced and the cleansing and healing are stimulated. The number of surgical interventions can be significantly reduced. Moreover, healing of a wound in the body cavity is promoted by improved blood circulation.

Due to the flexibility and softness of the device and the very small thickness, it can be introduced without complications in the body cavity.

Due to the ongoing occlusion of the body cavity using the device of the present invention, the risk of external germination by daily operations can be reduced.

The device is placed under anesthesia with other drainage means in a body cavity of a patient. A mobilization of the patient after this operation is readily possible; as well as an oral diet by the patient. The number of operations and thus the number of surgical scars are reduced to a minimum. The device according to the invention allows the continuous removal of toxins, bacteria, metabolic products, wound fluid, viruses, etc. from body cavities. All organizational spaces can be treated with the device.

The device is not limited to the removal of wound secretions. Likewise, other body fluids can be removed from wound cavities.

The device according to the invention can also be used to remove wound secretions from open wounds.

The invention will be explained in more detail below by means of embodiments with reference to the accompanying drawings.

Show it:

1 : An embodiment of the device according to the invention as a view

2 : An embodiment of the device according to the invention as a sectional view.

LIST OF REFERENCE NUMBERS

1

foam

2

foil

3

perforation

4

seam

5

cut

6

thickness

7

coating

8th

tape

9

perforation

10

dimensions

11

bag

The 1 shows a view of the device according to the invention.

It uses an open-cell foam ( 1 ), which has a very small thickness ( 6 ) owns. This foam ( 1 ) can have different dimensions ( 10 ). Also the thickness ( 6 ) may vary.

The foam ( 1 ) is treated with a soft, atraumatic, anti-adhesive film ( 2 ) with additional perforations ( 3 ) sheathed.

The foil ( 2 ) and the foam ( 1 ) are preferably with a seam ( 4 ) sewn or connected together in star form.

In the 2 the section of the device is shown.

The foam ( 1 ) is with a foil ( 2 ) with perforations ( 3 ) sheathed. In addition, the film ( 2 ) as a wound dressing with a wound healing layer with a coating ( 7 ) be provided.

The cut ( 5 ) is by means of adhesive strips ( 8th ), the perforations ( 9 ), to protect the vessels and organs.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• EP 1674127 A1 [0016]
• GB 202009005780 [0018]
• GB 202009008788 [0019, 0020]

Claims (10)

Device for the protection of vessels and organs in the removal of wound secretions from body cavities and wounds with drainage means, characterized in that a soft, elastic, coarsely porous foam ( 1 ) with a very small thickness ( 6 ) with one, through a seam ( 4 ), antiadhesive, with perforation ( 3 ) ( 2 ), is sheathed. Device according to claim 1, characterized in that the seam ( 4 ) is star-shaped. Device according to claim 1, characterized in that the blank ( 5 ) with an adhesive strip ( 8th ) is covered. Device according to claim 1, characterized in that the adhesive strip ( 8th ) Perforations ( 9 ) owns. Device according to claim 1, characterized in that the film ( 2 ) consists of PE. Device according to claim 1, characterized in that the film ( 2 ) as a bag ( 11 ) is made. Device according to claim 1, characterized in that the foam ( 1 ) is an open-pored polyurethane foam. Device according to claim 1, characterized in that the perforation ( 3 ) in the film ( 2 ) is additionally incorporated. Device according to claim 1, characterized in that the dimensions ( 10 ) and the thickness ( 6 ) of the foam ( 1 ) and the film ( 2 ) are variable. Device according to claim 1, characterized in that the foam ( 1 ) is also covered with a perforated or slotted adhesive film.

Images