CA3177144A1 - A negative pressure wound therapy (npwt) system - Google Patents

A negative pressure wound therapy (npwt) system Download PDF

Info

Publication number
CA3177144A1
CA3177144A1 CA3177144A CA3177144A CA3177144A1 CA 3177144 A1 CA3177144 A1 CA 3177144A1 CA 3177144 A CA3177144 A CA 3177144A CA 3177144 A CA3177144 A CA 3177144A CA 3177144 A1 CA3177144 A1 CA 3177144A1
Authority
CA
Canada
Prior art keywords
dressing
negative pressure
absorbent
npwt
layer
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
CA3177144A
Other languages
English (en)
French (fr)
Inventor
Alain Roux
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
Individual
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 Individual filed Critical Individual
Publication of CA3177144A1 publication Critical patent/CA3177144A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • A61M1/84—Drainage tubes; Aspiration tips
    • 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
    • A61M1/94—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with gas supply means
    • 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
    • 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
    • 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
    • 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
    • A61M1/84—Drainage tubes; Aspiration tips
    • A61M1/86—Connectors between drainage tube and handpiece, e.g. drainage tubes detachable from handpiece
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/75—General characteristics of the apparatus with filters
    • A61M2205/7536—General characteristics of the apparatus with filters allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8206—Internal energy supply devices battery-operated
    • A61M2205/8212—Internal energy supply devices battery-operated with means or measures taken for minimising energy consumption
    • 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
    • A61M2209/00—Ancillary equipment
    • A61M2209/06—Packaging for specific medical equipment
    • 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
    • A61M2209/00—Ancillary equipment
    • A61M2209/08—Supports for equipment
    • A61M2209/088—Supports for equipment on the body

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Surgery (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Magnetic Treatment Devices (AREA)
  • External Artificial Organs (AREA)
CA3177144A 2020-05-25 2021-05-24 A negative pressure wound therapy (npwt) system Pending CA3177144A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20176258.0 2020-05-25
EP20176258.0A EP3915600A1 (en) 2020-05-25 2020-05-25 A negative pressure wound therapy (npwt) system
PCT/EP2021/063747 WO2021239652A1 (en) 2020-05-25 2021-05-24 A negative pressure wound therapy (npwt) system

Publications (1)

Publication Number Publication Date
CA3177144A1 true CA3177144A1 (en) 2021-12-02

Family

ID=70804574

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3177144A Pending CA3177144A1 (en) 2020-05-25 2021-05-24 A negative pressure wound therapy (npwt) system

Country Status (9)

Country Link
US (1) US20230218815A1 (https=)
EP (2) EP3915600A1 (https=)
JP (1) JP2023526487A (https=)
KR (1) KR20230015337A (https=)
CN (1) CN115666675A (https=)
AU (1) AU2021282323A1 (https=)
BR (1) BR112022021197A2 (https=)
CA (1) CA3177144A1 (https=)
WO (1) WO2021239652A1 (https=)

Families Citing this family (3)

* 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)
US20250090743A1 (en) * 2023-09-14 2025-03-20 Deroyal Industries, Inc Canister connection system for disposable negative pressure wound therapy system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2838725B2 (ja) * 1990-05-02 1998-12-16 テルモ株式会社 血液採取器具
US7520872B2 (en) * 2002-09-13 2009-04-21 Neogen Technologies, Inc. Closed wound drainage system
US8758313B2 (en) * 2003-10-28 2014-06-24 Smith & Nephew Plc Apparatus and method for wound cleansing with actives
GB0710846D0 (en) * 2007-06-06 2007-07-18 Bristol Myers Squibb Co A wound dressing
US8449508B2 (en) * 2008-03-05 2013-05-28 Kci Licensing, Inc. Dressing and method for applying reduced pressure to and collecting and storing fluid from a tissue site
US8298200B2 (en) * 2009-06-01 2012-10-30 Tyco Healthcare Group Lp System for providing continual drainage in negative pressure wound therapy
SE533841C2 (sv) * 2009-06-15 2011-02-01 Moelnlycke Health Care Ab Sårförband med hög vätskehanteringskapacitet
GB201108229D0 (en) * 2011-05-17 2011-06-29 Smith & Nephew Tissue healing
AU2012282287B2 (en) * 2011-07-14 2017-06-01 Smith & Nephew Plc Wound dressing and method of treatment
US9901664B2 (en) * 2012-03-20 2018-02-27 Smith & Nephew Plc Controlling operation of a reduced pressure therapy system based on dynamic duty cycle threshold determination
CA2921164C (en) * 2013-08-12 2021-04-06 Bsn Medical Gmbh Wound care article having an essentially polygonal or ellipsoid base surface and at least one recess arranged on one side
WO2015127285A1 (en) * 2014-02-20 2015-08-27 Repro-Med Systems, Inc. Connector with filter
EP3157484B1 (en) * 2014-06-18 2020-02-26 Smith & Nephew plc Wound dressing
JP7044705B2 (ja) * 2015-12-30 2022-03-30 スミス アンド ネフュー ピーエルシー 負圧創傷治療装置
GB201608099D0 (en) * 2016-05-09 2016-06-22 Convatec Technologies Inc Negative pressure wound dressing
EP3320926B1 (en) * 2016-11-10 2023-03-01 Mölnlycke Health Care AB Connector device for a negative pressure wound therapy system
GB201811449D0 (en) * 2018-07-12 2018-08-29 Smith & Nephew Apparatuses and methods for negative pressure wound therapy

Also Published As

Publication number Publication date
BR112022021197A2 (pt) 2022-12-06
AU2021282323A1 (en) 2022-11-17
WO2021239652A1 (en) 2021-12-02
JP2023526487A (ja) 2023-06-21
CN115666675A (zh) 2023-01-31
KR20230015337A (ko) 2023-01-31
EP4157384A1 (en) 2023-04-05
US20230218815A1 (en) 2023-07-13
EP3915600A1 (en) 2021-12-01

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