Absorbant layers for use in wound dressings

A wound dressing 1 comprising an absorbent sheet 4, wherein the absorbent sheet comprises a barrier 6 region to block lateral transport of liquid through the absorbent sheet to an edge of the absorbent sheet. The barrier 6 layer may be a hydrophobic region, or a region of pore blocking by heat and/o...

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Bibliographic Details
Main Author MAURICE CHARLES BIOTT
Format Patent
LanguageEnglish
Published 16.02.2005
Edition7
Subjects
BANDAGES, DRESSINGS OR ABSORBENT PADS
DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS
FILTERS IMPLANTABLE INTO BLOOD VESSELS
FIRST-AID KITS
FOMENTATION
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES
PROSTHESES
TREATMENT OR PROTECTION OF EYES OR EARS
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Summary:A wound dressing 1 comprising an absorbent sheet 4, wherein the absorbent sheet comprises a barrier 6 region to block lateral transport of liquid through the absorbent sheet to an edge of the absorbent sheet. The barrier 6 layer may be a hydrophobic region, or a region of pore blocking by heat and/or compression, adhesive gel blocking or the like. The absorbent sheet 4 can be laminated directly to a liquid permeable top sheet 5 of the same dimensions, since the barrier region prevents leakage of wound exudate out of the edges of the dressing. In the case of the adhesive gel blocking barrier layer, this permeates through the absorbent layer to bond the permeable top sheet, absorbent sheet and backing sheet together. Also provided are methods of making wound dressings according to the invention.
Bibliography:Application Number: GB20030019029