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Cosmetic Surgery

Adhesive-wound-dressings

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Adhesive wound dressings

Details

Inventors: Ward, William J.;
Assignee: Smith & Nephew Associated Companies p.l.c. (GB)
Primary Examiner: McNeill; Gregory E.
Assistant Examiner:
Attorney, Agent or Firm: Jacobs & Jacobs

An adhesive wound dressing which comprises a flexible polymer film having an adhesive surface and a non-adhesive surface on the opposite side, a removable protector over the adhesive surface and a detachable handle along an edge margin of the polymer film is described. The handle is used to facilitate handling of the film during application of the dressing and is formed from a tearable material so that it can be removed by tearing without disturbing the applied dressing. In a second described embodiment the tearable handle carries an adhesive coating so that the user has the option of removing the handle or adhering it to the skin of the patient.

DETAILED DESCRIPTION What we claim is: 1.
An adhesive wound dressing which comprises a flexible polymer film having an adhesive surface and a non-adhesive surface on the opposite side thereof, a detachable handle at an edge of the film to facilitate handling of said film and a removable protector over the adhesive surface of the film, in which the handle is adhered along an edge margin of the flexible polymer film and in which the handle is formed from a tearable material to allow a portion of the handle to be detached from the film.
2.
An adhesive dressing according to claim 1 in which the detachable handle is coated on one surface with an adhesive and is adhered along an edge margin to an edge margin of the flexible polymer film, the remaining area of adhesive of the handle being covered by a removable protector.
3.
An adhesive dressing according to claim 1 in which there is a handle at each of two opoosite sides of the flexible film which film is an elastomeric polymer.
4.
An adhesive dressing according to claim 1 in which the flexible film is a moisture vapour permeable polyurethane film which has a thickness of from 10 to 50 microns.
5.
An adhesive dressing according to claim 1 in which the handle comprises an integral net formed by the fibrillation of a thermoplastic, embossed film.
6.
An adhesive dressing according to claim 2 in which the adhesive coated handle has a moisture vapour permeability of at least 300gm.
sup.
-2 24h.
sup.
-1 at 37.
degree.
C.
and 100% to 10% relative humidity difference whereby the handle may be adhered to the skin.
7.
An adhesive dressing according to claim 2 in which the adhesive on the handle is an acrylate ester copolymer pressure sensitive adhesive.
8.
An adhesive dressing according to claim 1 in which the composite strip formed by adhering the edge margin of the handle to the edge margin of the flexible film has a moisture vapour permeability of at least 300gm.
sup.
-2 24h.
sup.
-1 at 37.
degree.
C.
and 100% to 10% relative humidity difference.
9.
An adhesive dressing according to claim 1 in which the handle comprises an adhesive tape having a line of perforations along its length whereby the adhesive tape is placed over an edge portion of the flexible film and at least an edge portion of the handle portion with the line of perforations over the joint between the flexible film and the handle portion so that by tearing along the perforations the handle portion may be detached from the flexible film

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