CA3178984A1 - A negative pressure wound therapy (npwt) dressing - Google Patents

A negative pressure wound therapy (npwt) dressing Download PDF

Info

Publication number
CA3178984A1
CA3178984A1 CA3178984A CA3178984A CA3178984A1 CA 3178984 A1 CA3178984 A1 CA 3178984A1 CA 3178984 A CA3178984 A CA 3178984A CA 3178984 A CA3178984 A CA 3178984A CA 3178984 A1 CA3178984 A1 CA 3178984A1
Authority
CA
Canada
Prior art keywords
dressing
negative pressure
layer
npwt
absorbent structure
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
CA3178984A
Other languages
English (en)
French (fr)
Inventor
Malin Svensson
Viktoria SKEPPSTEDT
Malin Holmen
Elinor BOLYOS
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 CA3178984A1 publication Critical patent/CA3178984A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • A61F13/05—Bandages or dressings; Absorbent pads specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
    • 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 bandages or dressings
    • A61F13/0203—Adhesive bandages or dressings with fluid retention members
    • A61F13/0206—Adhesive bandages or dressings with fluid retention members with absorbent fibrous layers, e.g. woven or non-woven absorbent pads or island dressings
    • A61F13/0209—Adhesive bandages or dressings with fluid retention members with absorbent fibrous layers, e.g. woven or non-woven absorbent pads or island dressings comprising superabsorbent 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 bandages or dressings
    • A61F13/0203—Adhesive bandages or dressings with fluid retention members
    • A61F13/022—Adhesive bandages or dressings with fluid retention members having more than one layer with different fluid retention characteristics
    • 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 bandages or dressings
    • A61F13/0203—Adhesive bandages or dressings with fluid retention members
    • A61F13/0223—Adhesive bandages or dressings with fluid retention members characterized by parametric properties of the fluid retention layer, e.g. absorbency, wicking capacity, liquid distribution
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/91—Suction aspects of the dressing
    • A61M1/915—Constructional details of the pressure distribution manifold
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/96—Suction control thereof
    • A61M1/964—Suction control thereof having venting means on or near the dressing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/98—Containers specifically adapted for negative pressure wound therapy
    • A61M1/984—Containers specifically adapted for negative pressure wound therapy portable on the body
    • A61M1/985—Containers specifically adapted for negative pressure wound therapy portable on the body the dressing itself forming the collection container

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Materials For Medical Uses (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA3178984A 2020-05-25 2021-05-24 A negative pressure wound therapy (npwt) dressing Pending CA3178984A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20176287.9A EP3915532B1 (en) 2020-05-25 2020-05-25 A negative pressure wound therapy (npwt) dressing
EP20176287.9 2020-05-25
PCT/EP2021/063756 WO2021239661A1 (en) 2020-05-25 2021-05-24 A negative pressure wound therapy (npwt) dressing

Publications (1)

Publication Number Publication Date
CA3178984A1 true CA3178984A1 (en) 2021-12-02

Family

ID=70804581

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3178984A Pending CA3178984A1 (en) 2020-05-25 2021-05-24 A negative pressure wound therapy (npwt) dressing

Country Status (11)

Country Link
US (1) US12336888B2 (https=)
EP (2) EP3915532B1 (https=)
JP (1) JP7695958B2 (https=)
KR (1) KR20230016630A (https=)
CN (1) CN115666470A (https=)
AU (1) AU2021278269B2 (https=)
BR (1) BR112022021388A2 (https=)
CA (1) CA3178984A1 (https=)
DK (1) DK3915532T3 (https=)
ES (2) ES2983577T3 (https=)
WO (1) WO2021239661A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3915532B1 (en) 2020-05-25 2024-04-17 Mölnlycke Health Care AB A negative pressure wound therapy (npwt) dressing
DK3915531T3 (da) 2020-05-25 2024-06-17 Moelnlycke Health Care Ab Forbinding til undertryksbehandling af sår (npwt)
ES3049865T3 (en) * 2022-12-15 2025-12-18 Moelnlycke Health Care Ab A negative pressure wound therapy (npwt) dressing
AU2022492149A1 (en) * 2022-12-28 2025-06-19 Mölnlycke Health Care Ab A negative pressure wound therapy dressing

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Also Published As

Publication number Publication date
KR20230016630A (ko) 2023-02-02
EP3915532B1 (en) 2024-04-17
EP4157177A1 (en) 2023-04-05
EP4157177C0 (en) 2025-12-03
WO2021239661A1 (en) 2021-12-02
AU2021278269B2 (en) 2026-03-05
EP3915532A1 (en) 2021-12-01
ES3062674T3 (en) 2026-04-13
BR112022021388A2 (pt) 2022-12-06
CN115666470A (zh) 2023-01-31
AU2021278269A1 (en) 2022-11-17
EP4157177B1 (en) 2025-12-03
DK3915532T3 (da) 2024-06-17
US20230210699A1 (en) 2023-07-06
JP7695958B2 (ja) 2025-06-19
US12336888B2 (en) 2025-06-24
ES2983577T3 (es) 2024-10-23
JP2023526815A (ja) 2023-06-23

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