WO2009021353A1 - Multi-function adhesive negative-pressure drainage device - Google Patents

Multi-function adhesive negative-pressure drainage device Download PDF

Info

Publication number
WO2009021353A1
WO2009021353A1 PCT/CN2007/002413 CN2007002413W WO2009021353A1 WO 2009021353 A1 WO2009021353 A1 WO 2009021353A1 CN 2007002413 W CN2007002413 W CN 2007002413W WO 2009021353 A1 WO2009021353 A1 WO 2009021353A1
Authority
WO
WIPO (PCT)
Prior art keywords
wound
layer
cover
waste
tube
Prior art date
Application number
PCT/CN2007/002413
Other languages
French (fr)
Chinese (zh)
Inventor
Shaoquan Chen
Weiqiang Zhang
Lie Wang
Original Assignee
Shaoquan Chen
Weiqiang Zhang
Lie Wang
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 Shaoquan Chen, Weiqiang Zhang, Lie Wang filed Critical Shaoquan Chen
Priority to PCT/CN2007/002413 priority Critical patent/WO2009021353A1/en
Publication of WO2009021353A1 publication Critical patent/WO2009021353A1/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M27/00Drainage appliances for wounds or the like, i.e. wound drains, implanted drains
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/008Drainage tubes; Aspiration tips
    • A61M1/0088Drainage tubes; Aspiration tips with a seal, e.g. to stick around a wound for isolating the treatment area

Abstract

A multi-function adhesive negative-pressure drainage device includes an isolation cover (1) that covers on a wound, a sub-tube A for supplying antipyrotic to the wound, and a sub-tube B for suctioning the waste fluid, both of which can be inserted into the wound lumen (12) through the isolation cover (1). The isolation cover (1) is made of flexible material that is adaptable to the surface of the curved wounded skin, and has an upper layer (6), an adhesive layer (2) with an opening (10) for contacting with the skin surface of a human body, and a lower layer (3) that presents a ringed shape, and is connected between the outer edge of the upper layer (6) and the outer periphery of the opening (10) of the adhesive layer (2). The sub-tube A for supplying antipyrotic to the wound and the sub-tube B for suctioning the waste fluid extend into the isolation cover (1) via the airtight window (9) positioned thereon.

Description

Paste multifunctional vacuum-assisted BACKGROUND:

The present invention relates to a paste-type negative pressure aspirator multifunctional.

Γ · 3Κ not:

Currently, patients due to infection, trauma or surgery caused by slow-healing wounds, shallow or deep abscesses, effusions, intestinal atrophy and the like, require drainage process and the local anti-inflammatory treatment, conventional practice includes a passive drainage and active drainage for severe inflammation, also taken partially treated with anti-inflammatory plus rinse solution. The drawback of these conventional approaches: a, a drain, irrigation tube fixing tape less robust, easy to fall off; two drainage was sutured although reliable irrigation tube, but the suture involved, cutting significant damage to the skin; Third, relying only on the cover tape wound gauze and the wound cavity and to isolate the external air, during the treatment time, the air of dust, bacteria easily into the interior of the wound cavity, and thus exacerbate inflammation; Fourth, passive open active skin or wound drainage peripheral portion is exposed, is immersed in drainage, leading to damage; five stuffer type passive drainage closed so that the wound cavity is difficult, slow healing. Some current advanced further active treatment since the drainage with a hard cover, not strong applicability injured body, sealing performance is poor, and can not be invasive treatment of deep cavities, therefore, we need to be further improved.

SUMMARY:

Object of the present invention is to provide a paste-type negative pressure aspirator multifunctional, it is not only fixed firmly, sealing, non-invasive, can be performed efficiently create active drainage treatment cavity of a patient, while shrinking rapidly wound cavity, effective control of the wound, and promote tissue growth and wound repair, to achieve timely control of inflammation, accelerate wound healing effect, and easy to operate, safe and reliable. Paste multifunctional vacuum drainage of the present invention, including anti-inflammatory wound fluid supply and effluent manifolds A spacer for fastening the cover placed on the wound, it can be inserted into the wound cavity by isolating the cover aspiration manifold B, which features wherein: said separator by a cover of flexible material adapted to the curved surface of the skin wound is made, having a top layer, a bonding layer having a port in contact with the skin surface and the upper layer is connected to the outer edge of the glue layer the following classes form a sheet ring layer between the peripheral port, said fluid supply manifold wound antiinflammatory a and branch B waste aspirated by the sealed window positioned on the separator wherein the cover extends into.

Cage of the present invention may be adapted to be made thanks to the curved surface of the skin wound a flexible material, which can accommodate various wound surfaces of skin, such as the concave surface of the armpit, the hips and the like convex surface, and these parts with attached skin surface will have more robust, better sealing, thereby effectively preventing the air of dust, bacteria invade the wound cavity, to ensure that the drainage process on the active cavity of a patient record efficient to rapidly and effectively reduce the wound cavity control wounds, promoting wound repair tissue growth, achieve timely control of inflammation, accelerate wound healing, and for the deep wound cavity treatment, simple structure, easy to operate, safe and reliable.

BRIEF DESCRIPTION OF DRAWINGS: FIG. 1 is a front view of a multi-functional paste of the present invention the negative pressure aspirator; FIG. 2 is a sectional view of paste-type negative pressure aspirator of the present invention, the multi-function; FIG. 3 is a paste-type negative pressure aspirator of the present invention is multifunctional the schematic operation state; FIG. 4 is a schematic diagram of another operating state of paste-type negative pressure aspirator of the present invention is multifunctional. FIG separator cover 1, 2 glued layer, the underlying layer 3, the disposable seal film 4, 5. positioning clogging layer above 6, 7-through, the air bypass control valve 8, 9 closed window, port 10, skin 11, create the chamber 12, the body 13, a combination of the tube 14, the liquid suction side holes 15, 16 blocked. detailed description:

The present invention is further described below in conjunction with the accompanying drawings and examples:

As shown in the drawings, vacuum-assisted multi-functional paste of the present invention, including anti-inflammatory wound for fastening the cover is placed on the wound separator 1, it can be inserted into the wound cavity by isolating the cover A liquid supply manifold and the exhaust liquid aspirated branch B, which characterized in that: said separator enclosure made can be adapted to a flexible material, the curved wound surface of the skin is made, which has an upper layer 6 having a port in contact with the skin surface of the bonding layer 10 2 and class ring was attached to the underlying layer of the sheet between the upper layer and the outer edge of the peripheral port glue layer 3, a liquid branch pipe a wound inflammation and a waste for a suction pipe branch B over the sealed window positioned on the spacer cover 9 projecting therein.

For ease of manufacture, the liquid supply manifold wound inflammation and waste aspirate A branch B over the top layer and the underlying layer of sheet-type ring junction spacer projecting into the shell.

For ease of operation, the cover member defines the upper spacer layer 7 opening operation, the upper spacer layer cover made of transparent material, adjust, in use, the position of the branch pipe B, the paste-through disposable sealing film, If adjustment is required again, the seal film may be disposable tear or cut, re-adjusted by the opening operation, the film is closed again to seal the disposable.

In order to ensure the sealing cage body, anti-inflammatory wound liquid supply manifold and a waste aspirate A branch B for the positioning cap 5 disposed through and into the cage body, positioning the sealed window 5 corresponding to the clogging of the separator provided with the cover 9 a sealing fit.

In order to facilitate pressure balance, the negative pressure to avoid excessive damage caused by the negative pressure body, clogging is positioned on tube 5 A through C also, the end extending into the cage through vivo intratracheal C.

In order to facilitate the actual operation, easy to control the actual needs of each tube extends into the length of the liquid supply branch pipe wound antiinflammatory A, aspirate waste branch pipe B and C arranged side by side is formed through the tubular member 14 may be a combination of mutually releasable.

In order to prevent the aspirated waste port is BLOCKAGE before terminating suction pipe branch B, extends into the cage body waste aspirated liquid suction manifold laid side hole 15 on the side wall B, the outer end of the air bypass control valve 8 is connected , when the negative pressure in the drainage device is too large, a negative pressure on the wound may be injured, the waste liquid can be disposed immediately open the bypass control valve aspirates the air on the outer end portion 8 of the branch pipe B, quickly, inside or outside the drainage pressure balance and reduce the patient's pain. Open air bypass control valve is temporarily reduced negative suction pressure, small adjustments can also be introduced into the wound cavity of the pipe, to ensure smooth drainage. Said seal member 4 is pasted on a disposable sealing film access opening, so that the drainage and wound cavity forming a closed space, in order to cut off the air.

In order to facilitate the cleaning process performed wound, closed with a plurality of windows 16 and clogging of the closed window made with the cover on the spacer, in practice a combination of access required number of sets of the tube, for unnecessary, with blockage blocked.

In practice port glued layer 10 may be trimmed according to the size.

In order to facilitate confirmation of length and position projecting into the branch pipe under X-ray, X-ray with non-transmissive lines mark the tube combination.

In operation, the medical staff to paste separator cover according to the wound shape of the trim port size, the introduction of the liquid supply manifold A, the waste liquid was aspirated composition tubular member having a wound antiinflammatory branch pipe B and the vent tube C are mutually releasable, to take the necessary extends into the tubular member with a combination of several groups of sealed windows, stoppered and sealed window positioned clogging, 'remaining unused block blocked closed window available, then wound through the operation of opening the liquid supply manifold eight anti-inflammatory, waste aspirate manifold B and C is disposed and the vent extends into the adjustment length (due to the a, B, C tube placement position in practice is not fixed, the tube may be a combination of release each other so that very convenient in actual operation, only the three stripping tube, cut to the required length; and can not be released if the three, is to be cut can not necessarily meet the different requirements of different placement positions of three), then sealed disposable sealing film; waste aspirate manifold outer termination B continuously adjustable a negative pressure source through the atmosphere and the bypass control valve, the inner end of the body, or directly into the cage shallow wound cavity, the liquid supply manifold inflammatory wound outer end antiinflammatory A punch Liquid into the inner end of the wound cavity deep, clean air chamber outer snorkel C Termination was filtered, the inner end of the cage body communication functions equilibrium pressure.

Inflammatory fluid enters from inflammatory liquid supply manifold A wound cavity, the wound irrigation, and waste aspirate manifold B is discharged from the waste liquid, when the cage body by gluing layer with the skin surface of the adhesive, cage 1 and the Creative chamber 12 form a closed space isolated from the outside air, the negative pressure in the suction space can be formed in the whole, a closed negative pressure suction-irrigation therapy to be implemented. When the negative pressure is introduced, and adsorption paste dual mechanism allows drainage negative pressure is securely fixed, the negative pressure in the flexible insulation cover can be closed completely sucked, the suction tube and the drainage is formed in direct contact with the most conducive promptly complete drainage (but if it is made of a hard material, and the adhesive does not match the curved skin, tightness is poor, so that the poor drainage). When there is a growing paroxysmal drainage occurs (e.g., intestinal fluids paroxysmal Emission intestinal fistula), flexible insulation cover which can effect both temporary storage bags, the drainage body sticking to the cage, and then the waste liquid B aspirated exhaust manifold. While preventing dust in the air, the bacteria into the interior of the wound cavity, around the dispersed waste control, the effective protection of normal skin surrounding the wound. The upper level made of a transparent material, observed beneficial, with good surface conformability to adapt to the body surface is flat, more concave, convex, etc., an outer circumferential edge portion of the layer was glued to facilitate isolation cover with the skin surface bonding tooth, which is more conducive to reduce stress, enhancing hermeticity bonded.

The invention has health and safety, easy to operate, a significant effect, etc., significantly shorter treatment cycles, greatly reducing the agony of patients, saving the patient's medical costs, reduce the workload of medical staff, has great application value.

Claims

Claims
A vacuum-assisted multi-functional paste comprising a liquid supply manifold wound inflammation and A is placed for fastening the waste body cage (1) on the wound, can be inserted into the wound cavity by isolating the cover aspiration manifold B, which characterized in that: said cage member by a flexible material adapted to the curved surface of the skin wound is made, which has an upper layer (6), in contact with the skin surface of the bonding layer has a through opening (10) in ( 2) and is connected to a sheet-like form class ring underlying layer (3) between the upper layer and the outer edge of the peripheral bonding layer port, the liquid supply manifold wound antiinflammatory a and branch B waste aspirated by the isolation shell sealed window (9) projecting therein.
2. The multifunctional adhesive suction drainage device according to claim 1, wherein: said wound antiinflammatory A liquid supply manifold and a waste aspirate branch B over the top layer and the underlying layer of sheet-type ring junction extension the cage member, said spacer defines a handle opening (7) on the upper cover layer, a spacer layer above the cover body made of a transparent material.
3. The paste-type negative pressure aspirator multifunctional claim 1 or claim 2, wherein: said wound antiinflammatory A liquid supply manifold and a waste aspirate branch B for plugging in the positioning through (5) and extending into the cage body, the positioning blockage (9) in sealing engagement with the window corresponding to the closed (5) cover and isolation.
4, multifunctional adhesive according to claim suction drainage of claim 3, wherein: said positioning clogging (5) is also provided through the vent C, the C-terminal extending into the tube through the inner cage vivo .
5, multi-functional adhesive according to claim 4 of the negative pressure aspirator, wherein: the liquid supply manifold wound antiinflammatory eight, the waste liquid was aspirated through the branch pipe B and C arranged side by side form a composite pipe fittings mutually releasable ( 14).
6. The suction drainage multifunctional adhesive according to claim 5, wherein: said cage body projecting into the waste liquid sucked out of branch pipes laid side wall B liquid suction side hole (15), an outer end is connected to the air bypass control valve (8).
7, multifunctional adhesive according to claim suction drainage device of claim 6, wherein: said spacer has a plurality of sealed windows, which blocks (16) with the sealed windows made on the cover.
8, multifunctional adhesive according to claim suction drainage claim 7, wherein: said port bonding layer (10) may be trimmed according to the size of f gen.
9, multi-functional adhesive according to claim negative pressure aspirator of claim 8, wherein: said X-line provided with a non-transmissive mark line on the tube composition.
10. The multifunctional adhesive suction drainage claim 9, characterized in that wherein: the outer circumferential edge portion of the bonding layer (2) is isolated as a cover in order to facilitate the toothed surface of the skin and bonded .
PCT/CN2007/002413 2007-08-13 2007-08-13 Multi-function adhesive negative-pressure drainage device WO2009021353A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2007/002413 WO2009021353A1 (en) 2007-08-13 2007-08-13 Multi-function adhesive negative-pressure drainage device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 200780013509 CN101511401B (en) 2007-08-13 2007-08-13 Stickup multifunctional negative pressure drainage device
PCT/CN2007/002413 WO2009021353A1 (en) 2007-08-13 2007-08-13 Multi-function adhesive negative-pressure drainage device

Publications (1)

Publication Number Publication Date
WO2009021353A1 true WO2009021353A1 (en) 2009-02-19

Family

ID=40350335

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/002413 WO2009021353A1 (en) 2007-08-13 2007-08-13 Multi-function adhesive negative-pressure drainage device

Country Status (2)

Country Link
CN (1) CN101511401B (en)
WO (1) WO2009021353A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100298790A1 (en) * 2008-05-26 2010-11-25 Daniele Guidi Drainage device particularly for aspiration in case of therapies with aspiration, fistulas, dehiscences of surgical wounds, bedsores, traumas and similar lesions
WO2013034374A1 (en) * 2011-09-08 2013-03-14 Paul Hartmann Ag Connection device for use in negative pressure wound therapy
US9033942B2 (en) 2008-03-07 2015-05-19 Smith & Nephew, Inc. Wound dressing port and associated wound dressing
US9050398B2 (en) 2010-12-22 2015-06-09 Smith & Nephew, Inc. Apparatuses and methods for negative pressure wound therapy
US9327065B2 (en) 2009-12-22 2016-05-03 Smith & Nephew, Inc. Apparatuses and methods for negative pressure wound therapy
EP2882469B1 (en) 2012-08-09 2017-09-20 Paul Hartmann Aktiengesellschaft Connection device for use in the negative pressure therapy of wounds
USD804014S1 (en) 2010-12-22 2017-11-28 Smith & Nephew, Inc. Suction adapter
US10130526B2 (en) 2006-09-28 2018-11-20 Smith & Nephew, Inc. Portable wound therapy system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102274574A (en) * 2011-06-02 2011-12-14 陈德华 A surgical wounds closed suction drainage means
CN103446658B (en) * 2013-09-24 2015-02-11 邵红梅 Wound cover device for visual vacuum sealing drainage of wounds
CN105877902A (en) * 2014-12-23 2016-08-24 吴有军 Treatment mask of intestinal fistula

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692153A (en) * 1986-04-03 1987-09-08 Berlin Richard B Surgical wound drain device
DE4012232A1 (en) * 1990-04-14 1991-10-17 Franz Josef Gross Dressing for deep wounds - has main sheet applied to skin with centre hole over wound, fed and drainage tubes with perforated ends at wound, and overall cover film
CN2114442U (en) * 1991-10-18 1992-09-02 张大同 Dressing device
CN1099257A (en) * 1993-04-07 1995-03-01 联合外科服务有限公司 Surgical wound dressings
US6191341B1 (en) * 1998-04-21 2001-02-20 Ronald D. Shippert Medical absorbent pack substantially free of unwanted adhesion properties
JP2005034483A (en) * 2003-07-17 2005-02-10 Unitika Ltd Wound covering pad for decompression therapy and decompression therapy instrument
WO2005082435A1 (en) * 2004-02-24 2005-09-09 Huntleigh Technology Plc Tissue treatment device
US6979324B2 (en) * 2002-09-13 2005-12-27 Neogen Technologies, Inc. Closed wound drainage system
CN1732028A (en) * 2002-10-28 2006-02-08 史密夫及内修公开有限公司 Apparatus for aspirating, irrigating and cleansing wounds
WO2006056294A1 (en) * 2004-11-24 2006-06-01 Birgit Riesinger Drainage device for the treatment of wounds with application of a vacuum
CN1887369A (en) * 2006-07-20 2007-01-03 陈少全 Adhered multifunctional negative pressure drainage device

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692153A (en) * 1986-04-03 1987-09-08 Berlin Richard B Surgical wound drain device
DE4012232A1 (en) * 1990-04-14 1991-10-17 Franz Josef Gross Dressing for deep wounds - has main sheet applied to skin with centre hole over wound, fed and drainage tubes with perforated ends at wound, and overall cover film
CN2114442U (en) * 1991-10-18 1992-09-02 张大同 Dressing device
CN1099257A (en) * 1993-04-07 1995-03-01 联合外科服务有限公司 Surgical wound dressings
US6191341B1 (en) * 1998-04-21 2001-02-20 Ronald D. Shippert Medical absorbent pack substantially free of unwanted adhesion properties
US6979324B2 (en) * 2002-09-13 2005-12-27 Neogen Technologies, Inc. Closed wound drainage system
CN1732028A (en) * 2002-10-28 2006-02-08 史密夫及内修公开有限公司 Apparatus for aspirating, irrigating and cleansing wounds
JP2005034483A (en) * 2003-07-17 2005-02-10 Unitika Ltd Wound covering pad for decompression therapy and decompression therapy instrument
WO2005082435A1 (en) * 2004-02-24 2005-09-09 Huntleigh Technology Plc Tissue treatment device
WO2006056294A1 (en) * 2004-11-24 2006-06-01 Birgit Riesinger Drainage device for the treatment of wounds with application of a vacuum
CN1887369A (en) * 2006-07-20 2007-01-03 陈少全 Adhered multifunctional negative pressure drainage device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10130526B2 (en) 2006-09-28 2018-11-20 Smith & Nephew, Inc. Portable wound therapy system
US9956329B2 (en) 2008-03-07 2018-05-01 Smith & Nephew, Inc. Wound dressing port and associated wound dressing
US9033942B2 (en) 2008-03-07 2015-05-19 Smith & Nephew, Inc. Wound dressing port and associated wound dressing
US20100298790A1 (en) * 2008-05-26 2010-11-25 Daniele Guidi Drainage device particularly for aspiration in case of therapies with aspiration, fistulas, dehiscences of surgical wounds, bedsores, traumas and similar lesions
US9327065B2 (en) 2009-12-22 2016-05-03 Smith & Nephew, Inc. Apparatuses and methods for negative pressure wound therapy
US9642750B2 (en) 2009-12-22 2017-05-09 Smith & Nephew, Inc. Apparatuses and methods for negative pressure wound therapy
US9974695B2 (en) 2009-12-22 2018-05-22 Smith & Nephew, Inc. Apparatuses and methods for negative pressure wound therapy
US9999547B2 (en) 2009-12-22 2018-06-19 Smith & Nephew, Inc. Apparatuses and methods for negative pressure wound therapy
US9050398B2 (en) 2010-12-22 2015-06-09 Smith & Nephew, Inc. Apparatuses and methods for negative pressure wound therapy
USD804014S1 (en) 2010-12-22 2017-11-28 Smith & Nephew, Inc. Suction adapter
US9956389B2 (en) 2010-12-22 2018-05-01 Smith & Nephew, Inc. Apparatuses and methods for negative pressure wound therapy
WO2013034374A1 (en) * 2011-09-08 2013-03-14 Paul Hartmann Ag Connection device for use in negative pressure wound therapy
EP2882469B1 (en) 2012-08-09 2017-09-20 Paul Hartmann Aktiengesellschaft Connection device for use in the negative pressure therapy of wounds

Also Published As

Publication number Publication date
CN101511401B (en) 2011-08-03
CN101511401A (en) 2009-08-19

Similar Documents

Publication Publication Date Title
US10117977B2 (en) Devices and methods for application of reduced pressure therapy
CA2624404C (en) Externally-applied patient interface system and method
EP1476217B1 (en) Vacuum bandage packing
US7816577B2 (en) Wound shield
US7569742B2 (en) Self contained wound dressing with micropump
EP2821095B1 (en) Device for delivery of reduced pressure to body surfaces
KR101278461B1 (en) Novel portable electrochemical devices for dual action wound healing
ES2534895T3 (en) Apparatus for dressing wounds self
US8663198B2 (en) Negative pressure wound therapy device
US7338482B2 (en) External catheter access to vacuum bandage
JP5470480B2 (en) Wound treatment device that uses a vacuum
CN104287893B (en) Wound dressings port and related wound dressing
RU2555105C2 (en) Connecting device applicable in negative-pressure wound healing
US8585683B2 (en) Assemblies, systems, and methods for vacuum assisted internal drainage during wound healing
US8956336B2 (en) Wound dressing with vacuum reservoir
EP2253353A1 (en) Negative pressure wound treatment dressing
CA2481016C (en) Access openings in vacuum bandage
US9974890B2 (en) Wound therapy system and related methods therefor
US8551060B2 (en) Subatmospheric pressure mechanism for wound therapy system and related methods therefor
JP5267962B2 (en) System that provides a continuous discharge in the negative pressure wound therapy
EP2167157B1 (en) Subatmospheric pressure wound therapy dressing
ES2488920T3 (en) Assemblies, systems and methods for internal vacuum assisted drainage during wound healing
US5100396A (en) Fluidic connection system and method
CN102143771B (en) System and method for delivering reduced pressure to subcutaneous tissue
KR20110087270A (en) Modular, reduced-pressure, wound-closure systems and methods

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200780013509.8

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07785315

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase in:

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A SENT 20.04.2010)

122 Ep: pct application non-entry in european phase

Ref document number: 07785315

Country of ref document: EP

Kind code of ref document: A1