WO2002020067A3 - Multi-layer absorbent wound dressing - Google Patents

Multi-layer absorbent wound dressing Download PDF

Info

Publication number
WO2002020067A3
WO2002020067A3 PCT/US2001/026791 US0126791W WO0220067A3 WO 2002020067 A3 WO2002020067 A3 WO 2002020067A3 US 0126791 W US0126791 W US 0126791W WO 0220067 A3 WO0220067 A3 WO 0220067A3
Authority
WO
WIPO (PCT)
Prior art keywords
wound
dressing
layer
wound dressing
layers
Prior art date
Application number
PCT/US2001/026791
Other languages
French (fr)
Other versions
WO2002020067A2 (en
Inventor
Scott A Burton
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to JP2002524549A priority Critical patent/JP4927300B2/en
Priority to BR0113719-0A priority patent/BR0113719A/en
Priority to CA002420094A priority patent/CA2420094A1/en
Priority to AU8684501A priority patent/AU8684501A/en
Priority to DE60124118T priority patent/DE60124118T2/en
Priority to EP01966320A priority patent/EP1315527B1/en
Publication of WO2002020067A2 publication Critical patent/WO2002020067A2/en
Publication of WO2002020067A3 publication Critical patent/WO2002020067A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/02—Adhesive plasters or dressings
    • A61F13/0203—Adhesive plasters or dressings having a fluid handling member
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties

Abstract

A multi-layer wound dressing comprising at least two absorbent layers, and materials for forming absorbent layers are provided. The absorbent layers have different absorbencies, with the layer closest to the wound having a lower absorbency than the layer furthest from the wound. The wound dressing typically contains additional non-absorbing layers, such as a backing film and wound-facing film. The dressing provides absorbency of wound exudates while preventing the absorbent material from entering the wound. In specific implementations the dressing is substantially transparent prior to application to a wound, as well as after application to the wound when body fluids have been absorbed.
PCT/US2001/026791 2000-09-08 2001-08-28 Multi-layer absorbent wound dressing WO2002020067A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2002524549A JP4927300B2 (en) 2000-09-08 2001-08-28 Multilayer absorbent wound dressing
BR0113719-0A BR0113719A (en) 2000-09-08 2001-08-28 Multilayer wound dressing, and body fluid absorbent material.
CA002420094A CA2420094A1 (en) 2000-09-08 2001-08-28 Multi-layer absorbent wound dressing
AU8684501A AU8684501A (en) 2000-09-08 2001-08-28 Multi-layer absorbent wound dressing
DE60124118T DE60124118T2 (en) 2000-09-08 2001-08-28 MULTILAYER ABSORBENT WING ASSOCIATION
EP01966320A EP1315527B1 (en) 2000-09-08 2001-08-28 Multi-layer absorbent wound dressing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/657,486 US6903243B1 (en) 2000-09-08 2000-09-08 Multi-layer absorbent wound dressing
US09/657,486 2000-09-08

Publications (2)

Publication Number Publication Date
WO2002020067A2 WO2002020067A2 (en) 2002-03-14
WO2002020067A3 true WO2002020067A3 (en) 2002-07-04

Family

ID=24637376

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/026791 WO2002020067A2 (en) 2000-09-08 2001-08-28 Multi-layer absorbent wound dressing

Country Status (11)

Country Link
US (2) US6903243B1 (en)
EP (1) EP1315527B1 (en)
JP (1) JP4927300B2 (en)
AT (1) ATE343402T1 (en)
AU (1) AU8684501A (en)
BR (1) BR0113719A (en)
CA (1) CA2420094A1 (en)
DE (1) DE60124118T2 (en)
ES (1) ES2275723T3 (en)
TW (1) TWI288003B (en)
WO (1) WO2002020067A2 (en)

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Also Published As

Publication number Publication date
ES2275723T3 (en) 2007-06-16
CA2420094A1 (en) 2002-03-14
AU8684501A (en) 2002-03-22
JP2004515267A (en) 2004-05-27
JP4927300B2 (en) 2012-05-09
EP1315527A2 (en) 2003-06-04
DE60124118D1 (en) 2006-12-07
EP1315527B1 (en) 2006-10-25
US20050226917A1 (en) 2005-10-13
ATE343402T1 (en) 2006-11-15
TWI288003B (en) 2007-10-11
US6903243B1 (en) 2005-06-07
BR0113719A (en) 2003-07-29
DE60124118T2 (en) 2007-06-06
WO2002020067A2 (en) 2002-03-14

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