CA3065955A1 - Foam in wound treatment - Google Patents

Foam in wound treatment Download PDF

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Publication number
CA3065955A1
CA3065955A1 CA3065955A CA3065955A CA3065955A1 CA 3065955 A1 CA3065955 A1 CA 3065955A1 CA 3065955 A CA3065955 A CA 3065955A CA 3065955 A CA3065955 A CA 3065955A CA 3065955 A1 CA3065955 A1 CA 3065955A1
Authority
CA
Canada
Prior art keywords
foam material
hydrophilic polyurethane
polyurethane foam
foam
polyols
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CA3065955A
Other languages
English (en)
French (fr)
Inventor
Eric S. Gardiner
Jason Raymond JOHNSON
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Molnycke Health Care AB
Original Assignee
Molnycke Health Care AB
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 Molnycke Health Care AB filed Critical Molnycke Health Care AB
Publication of CA3065955A1 publication Critical patent/CA3065955A1/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/26Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • 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
    • A61F13/01Non-adhesive bandages or dressings
    • A61F13/01008Non-adhesive bandages or dressings characterised by the material
    • A61F13/01017Non-adhesive bandages or dressings characterised by the material synthetic, e.g. polymer based
    • 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
    • A61F13/02Adhesive bandages or dressings
    • A61F13/0203Adhesive bandages or dressings with fluid retention members
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/18Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/425Porous materials, e.g. foams or sponges
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/48Surfactants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066Use of inorganic compounding ingredients
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • 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
    • A61F2013/00361Plasters
    • A61F2013/00727Plasters means for wound humidity control
    • A61F2013/00731Plasters means for wound humidity control with absorbing pads
    • A61F2013/0074Plasters means for wound humidity control with absorbing pads containing foams
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0041Foam properties having specified density
    • C08G2110/005< 50kg/m3
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00Foams characterised by the foaming process
    • C08J2201/04Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00Foams characterised by their properties
    • C08J2205/04Foams characterised by their properties characterised by the foam pores
    • C08J2205/044Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Hematology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Materials For Medical Uses (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Medicinal Preparation (AREA)
CA3065955A 2017-06-09 2018-06-05 Foam in wound treatment Pending CA3065955A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17175238.9 2017-06-09
EP17175238.9A EP3412319A1 (en) 2017-06-09 2017-06-09 Foam in wound treatment
PCT/EP2018/064769 WO2018224499A1 (en) 2017-06-09 2018-06-05 Foam in wound treatment

Publications (1)

Publication Number Publication Date
CA3065955A1 true CA3065955A1 (en) 2018-12-13

Family

ID=59053986

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3065955A Pending CA3065955A1 (en) 2017-06-09 2018-06-05 Foam in wound treatment

Country Status (10)

Country Link
US (2) US11224676B2 (enExample)
EP (2) EP3412319A1 (enExample)
JP (1) JP7218986B2 (enExample)
KR (1) KR102545523B1 (enExample)
CN (1) CN110678210A (enExample)
AU (1) AU2018280743B2 (enExample)
BR (1) BR112019022103B1 (enExample)
CA (1) CA3065955A1 (enExample)
DK (1) DK3634505T3 (enExample)
WO (1) WO2018224499A1 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0808376D0 (en) 2008-05-08 2008-06-18 Bristol Myers Squibb Co Wound dressing
GB0817796D0 (en) 2008-09-29 2008-11-05 Convatec Inc wound dressing
GB201020236D0 (en) 2010-11-30 2011-01-12 Convatec Technologies Inc A composition for detecting biofilms on viable tissues
PL2648795T3 (pl) 2010-12-08 2023-05-08 Convatec Technologies Inc. System do usuwania wysięków z miejsca rany
CN103347562B (zh) 2010-12-08 2016-08-10 康沃特克科技公司 伤口分泌液系统附件
CN103347561B (zh) 2010-12-08 2016-09-07 康沃特克科技公司 用于评估伤口分泌液的集成系统
GB201115182D0 (en) 2011-09-02 2011-10-19 Trio Healthcare Ltd Skin contact material
GB2497406A (en) 2011-11-29 2013-06-12 Webtec Converting Llc Dressing with a perforated binder layer
JP2016507663A (ja) 2012-12-20 2016-03-10 コンバテック・テクノロジーズ・インコーポレイテッドConvatec Technologies Inc 化学修飾セルロース系繊維の加工
GB2543544A (en) 2015-10-21 2017-04-26 Brightwake Ltd Wound dressing
CN109416355A (zh) 2016-03-30 2019-03-01 定性酶诊断有限责任两合公司 检测伤口微生物感染
US20190142642A1 (en) 2016-03-30 2019-05-16 Convatec Technologies Inc. Detecting microbial infections in wounds
GB201608099D0 (en) 2016-05-09 2016-06-22 Convatec Technologies Inc Negative pressure wound dressing
CA3030151A1 (en) 2016-07-08 2018-01-11 Convatec Technologies Inc. Fluid collection apparatus
TW201805035A (zh) 2016-07-08 2018-02-16 美商康瓦鐵克科技股份有限公司 流體流動感測
MX2019000239A (es) 2016-07-08 2019-09-06 Convatec Technologies Inc Sistema de presion negativa flexible.
GB201711179D0 (en) 2017-07-12 2017-08-23 Smith & Nephew Wound care materials, devices and uses
GB201711183D0 (en) 2017-07-12 2017-08-23 Smith & Nephew Antimicrobial or wound care materials, devices and uses
GB201711181D0 (en) 2017-07-12 2017-08-23 Smith & Nephew Polymer foam material, device and use
EP4360666A3 (en) 2017-11-16 2024-05-08 ConvaTec Limited Fluid collection apparatus
EP3962544B1 (en) 2019-06-03 2023-11-08 Convatec Limited Methods and devices to disrupt and contain pathogens
US11331221B2 (en) 2019-12-27 2022-05-17 Convatec Limited Negative pressure wound dressing
US11771819B2 (en) 2019-12-27 2023-10-03 Convatec Limited Low profile filter devices suitable for use in negative pressure wound therapy systems

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JP2813693B2 (ja) * 1987-12-16 1998-10-22 株式会社ブリヂストン 抗菌性軟質ポリウレタンフォームの製造方法
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DE102004061406A1 (de) * 2004-12-21 2006-07-06 Bayer Innovation Gmbh Infektionsresistente Polyurethanschäume, Verfahren zu ihrer Herstellung und Verwendung in antiseptisch ausgestatteten Wundauflagen
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Also Published As

Publication number Publication date
BR112019022103A2 (pt) 2020-05-05
CN110678210A (zh) 2020-01-10
US20220118151A1 (en) 2022-04-21
KR102545523B1 (ko) 2023-06-19
US20200129655A1 (en) 2020-04-30
AU2018280743B2 (en) 2023-07-06
JP7218986B2 (ja) 2023-02-07
KR20200018421A (ko) 2020-02-19
BR112019022103B1 (pt) 2023-02-14
JP2020522294A (ja) 2020-07-30
WO2018224499A1 (en) 2018-12-13
DK3634505T3 (da) 2023-03-20
AU2018280743A1 (en) 2019-11-28
EP3412319A1 (en) 2018-12-12
US11224676B2 (en) 2022-01-18
EP3634505B1 (en) 2022-12-28
EP3634505A1 (en) 2020-04-15

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