CA2586948A1 - Apparatus for aspirating, irrigating and/or cleansing wounds - Google Patents

Apparatus for aspirating, irrigating and/or cleansing wounds Download PDF

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Publication number
CA2586948A1
CA2586948A1 CA002586948A CA2586948A CA2586948A1 CA 2586948 A1 CA2586948 A1 CA 2586948A1 CA 002586948 A CA002586948 A CA 002586948A CA 2586948 A CA2586948 A CA 2586948A CA 2586948 A1 CA2586948 A1 CA 2586948A1
Authority
CA
Canada
Prior art keywords
wound
fluid
flow regulation
dressing
tube
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.)
Granted
Application number
CA002586948A
Other languages
French (fr)
Other versions
CA2586948C (en
Inventor
Robin Martin
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.)
Smith and Nephew PLC
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 CA2586948A1 publication Critical patent/CA2586948A1/en
Application granted granted Critical
Publication of CA2586948C publication Critical patent/CA2586948C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0229—Devices operating in a closed circuit, i.e. recycling the irrigating fluid
    • 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0279—Cannula; Nozzles; Tips; their connection means
    • A61F13/05—
    • 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
    • A61M1/71—Suction drainage systems
    • A61M1/74—Suction control
    • 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
    • A61M1/71—Suction drainage systems
    • A61M1/77—Suction-irrigation systems
    • 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
    • A61M1/91—Suction aspects of the dressing
    • A61M1/916—Suction aspects of the dressing specially adapted for deep wounds
    • 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
    • A61M1/92—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with liquid 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
    • A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
    • 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0204—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity
    • A61M3/0208—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity before use
    • 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0204—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity
    • A61M3/0212—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity after use
    • 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0204—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity
    • A61M3/0216—Pressure
    • 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0204—Physical characteristics of the irrigation fluid, e.g. conductivity or turbidity
    • A61M3/022—Volume; Flow rate
    • 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
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0279—Cannula; Nozzles; Tips; their connection means
    • A61M3/0283—Cannula; Nozzles; Tips; their connection means with at least two inner passageways, a first one for irrigating and a second for evacuating
    • 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
    • A61F2013/00089—Wound bandages
    • A61F2013/0017—Wound bandages possibility of applying fluid
    • 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
    • A61F2013/00089—Wound bandages
    • A61F2013/00217—Wound bandages not adhering to the wound
    • A61F2013/00221—Wound bandages not adhering to the wound biodegradable, non-irritating
    • 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
    • A61F2013/00361—Plasters
    • A61F2013/00365—Plasters use
    • A61F2013/00536—Plasters use for draining or irrigating wounds
    • 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
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate

Abstract

An apparatus for cleansing wounds in which irrigant fluid from a reservoir connected to a conformable wound dressing and wound exudate from the dressing are moved by a device (which may be a single pump or two pumps) for moving fluid through a flow path which passes through the dressing and over a biodegradable scaffold in contact with the wound bed (which encourages healing tissue growth from the wound bed). The apparatus has means (which includes the device(s)) for providing simultaneous aspiration and irrigation of the wound.
A dressing assembly including the dressing and the scaffold, and the dressing and a method of treatment using the apparatus.

Claims (14)

1. An apparatus for aspirating, irrigating and/or cleansing wounds, comprising a) a fluid flow path, comprising i) a conformable wound dressing, having a backing layer which is capable of forming a relatively fluid-tight seal or closure over a wound and at least one inlet pipe for connection to a fluid supply tube, which passes through and/or under the wound-facing face, and at least one outlet pipe for connection to a fluid offtake tube, which passes through and/or under the wound-facing face, the point at which the or each inlet pipe and the or each outlet pipe passes through and/or under the wound-facing face forming a relatively fluid-tight seal or closure over the wound; and ii) a biodegradable scaffold located under the backing layer and configured to be placed in contact with a wound bed in use;
b) a fluid reservoir connected by a fluid supply tube to an inlet pipe via optional means for supply flow regulation;
c) at least one device for moving fluid through the wound dressing;
characterised in that it comprises d) means for providing simultaneous aspiration and irrigation of the wound, such that fluid may be supplied to fill the flowpath from the fluid reservoir via the fluid supply tube (optionally via means for supply flow regulation) while fluid is aspirated by a device through the fluid offtake tube (optionally or as necessary via means for aspirate flow regulation).
2. An apparatus according to claim 1, characterised in that the biodegradable scaffold comprises a three-dimensional mesh, sponge or felt.
3. An apparatus according to claim 1, characterised in that the biodegradable scaffold comprises a poly(hydroxy acid) or ester thereof selected from poly(glycolic acid), poly(L-lactic acid), poly(D-lactic acid) and esters thereof, or copolymers or blends thereof.
4. An apparatus according to claim 1, characterised in that the biodegradable scaffold comprises a biologically sourced biodegradable substantially protein based polymer selected from collagens, fibronectins, or fibrins, as whole molecules or derivatives thereof from proteolytic or chemical treatments, or blends thereof; or a biodegradable substantially protein based polymer selected from collagens, fibronectins, or fibrins, or fragments thereof, produced through recombinant DNA techniques, or blends thereof.
5. An apparatus according to claim 1, characterised in that the means for providing simultaneous aspiration and irrigation of the wound comprises a first device for moving fluid through the wound applied to fluid downstream of and away from the wound dressing, in combination with at least one of a second device for moving fluid through the wound applied to the irrigant in the fluid supply tube upstream of and towards the wound dressing;
means for aspirate flow regulation, connected to a fluid offtake tube, and means for supply flow regulation, connected to a fluid supply tube;
6. An apparatus according to claim 1, characterised in that the aspirate in the fluid offtake tube downstream of the wound dressing is aspirated into a collection vessel, and the first device acts on fluid from the collection vessel.
7. An apparatus according to claim 2, characterised in that the first device and/or second device is a fixed throughput device, and the means for providing simultaneous aspiration and irrigation of the wound also comprises at least one of means for supply flow regulation, connected to a fluid supply tube, and means for aspirate flow regulation, connected to a fluid offtake tube.
8. An apparatus according to claim 2, characterised in that the first device and/or second device is a variable-throughput device, and the means for providing simultaneous aspiration and irrigation of the wound does not comprise other means for aspirate flow regulation, connected to a fluid offtake tube and/or other means for supply flow regulation, connected to a fluid supply tube.
9. An apparatus according to claim 1, characterised in that the means for providing simultaneous aspiration and irrigation of the wound comprises means for providing simultaneous aspiration and irrigation of the wound comprises a first device for moving fluid through the wound applied to fluid downstream of and away from the wound dressing, and a second device for moving fluid through the wound applied to the irrigant in the fluid supply tube upstream of and towards the wound dressing.
10. An apparatus according to claim 8, characterised in that the first device and/or second device is a fixed throughput device, and the means for providing simultaneous aspiration and irrigation of the wound also comprises at least one of means for supply flow regulation, connected to a fluid supply tube, and means for aspirate flow regulation, connected to a fluid offtake tube.
11. An apparatus according to claim 8, characterised in that the first device and/or second device is a variable-throughput device, and the means for providing simultaneous aspiration and irrigation of the wound does not comprise other means for aspirate flow regulation, connected to a fluid offtake tube and/or other means for supply flow regulation, connected to a fluid supply tube.
12. A conformable wound dressing for use in an apparatus according to claim 1, characterised in that it comprises a backing layer with a wound-facing face which is capable of forming a relatively fluid-tight seal or closure over a wound and has at least one inlet pipe for connection to a fluid supply tube, which passes through and/or under the wound-facing face, and at least one outlet pipe for connection to a fluid offtake tube, which passes through and/or under the wound-facing face, the point at which the or each inlet pipe and the or each outlet pipe passes through and/or under the wound-facing face forming a relatively fluid-tight seal or closure over the wound.
13. A dressing assembly for use in an apparatus according to claim 1, characterised in that it comprises a dressing according to claim 12 and a biodegradable scaffold, which is located under the wound dressing in use.
14. A method of treating wounds to promote wound healing using the apparatus according to claim 1.
CA2586948A 2004-10-29 2005-10-28 Apparatus for aspirating, irrigating and/or cleansing wounds Expired - Fee Related CA2586948C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0424046.1 2004-10-29
GBGB0424046.1A GB0424046D0 (en) 2004-10-29 2004-10-29 Apparatus
PCT/GB2005/004177 WO2006046060A2 (en) 2004-10-29 2005-10-28 Apparatus for aspirating, irrigating and/or cleansing wounds

Publications (2)

Publication Number Publication Date
CA2586948A1 true CA2586948A1 (en) 2006-05-04
CA2586948C CA2586948C (en) 2012-12-18

Family

ID=33515779

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2586948A Expired - Fee Related CA2586948C (en) 2004-10-29 2005-10-28 Apparatus for aspirating, irrigating and/or cleansing wounds

Country Status (10)

Country Link
US (1) US7883494B2 (en)
EP (1) EP1804851A2 (en)
JP (2) JP4704436B2 (en)
KR (1) KR20070084185A (en)
CN (1) CN101119759B (en)
AU (1) AU2005298433B2 (en)
CA (1) CA2586948C (en)
GB (1) GB0424046D0 (en)
WO (1) WO2006046060A2 (en)
ZA (1) ZA200703366B (en)

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WO2017097993A1 (en) * 2015-12-09 2017-06-15 Emile Droche Dressing for skin care in a moist environment
FR3044893A1 (en) * 2015-12-09 2017-06-16 Emile Droche DRESSING FOR SKIN CARE IN A WET MEDIUM
RU2733721C1 (en) * 2015-12-09 2020-10-06 Эмиль ДРОШЕ Plaster for skin care in wet environment
AU2016368532B2 (en) * 2015-12-09 2020-10-15 Emile Droche Dressing for skin care in a moist environment
AU2016368532C1 (en) * 2015-12-09 2021-02-18 Emile Droche Dressing for skin care in a moist environment
US11458043B2 (en) 2015-12-09 2022-10-04 Emile Droche Dressing for skin care in a moist environment

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WO2006046060A2 (en) 2006-05-04
JP2008517690A (en) 2008-05-29
JP2011072808A (en) 2011-04-14
CN101119759B (en) 2012-12-19
AU2005298433A1 (en) 2006-05-04
GB0424046D0 (en) 2004-12-01
EP1804851A2 (en) 2007-07-11
WO2006046060A3 (en) 2006-08-10
AU2005298433B2 (en) 2011-03-31
CN101119759A (en) 2008-02-06
KR20070084185A (en) 2007-08-24
JP5264872B2 (en) 2013-08-14
JP4704436B2 (en) 2011-06-15
US7883494B2 (en) 2011-02-08
US20070293830A1 (en) 2007-12-20
ZA200703366B (en) 2008-12-31
CA2586948C (en) 2012-12-18

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