CN102274574A - Surgical wound surface closed negative pressure drainage device - Google Patents
Surgical wound surface closed negative pressure drainage device Download PDFInfo
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- CN102274574A CN102274574A CN 201110148232 CN201110148232A CN102274574A CN 102274574 A CN102274574 A CN 102274574A CN 201110148232 CN201110148232 CN 201110148232 CN 201110148232 A CN201110148232 A CN 201110148232A CN 102274574 A CN102274574 A CN 102274574A
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Abstract
The invention discloses a surgical wound surface closed negative pressure drainage device, which relates to a medical appliance, particularly a surgical closed negative pressure drainage device. The surgical wound surface closed negative pressure drainage device comprises a negative pressure source, a porous dressing (1), a semi-permeable membrane (4) and a negative pressure drainage tube (5), wherein the shape of the porous dressing (1) is matched with that of the wound surface; the semi-permeable membrane (4) is required by a moveable sealed cavity on the porous dressing (1); and the negative pressure drainage tube (5) is inserted into the porous dressing (1). The invention is characterized in that the semi-permeable membrane (4) is provided with an openable window (2), and the openable window (2) is an adhesive-free region and is in a sealed state when being not opened. The surgical wound surface closed negative pressure drainage device can be used for observing the healing degree of the wound, thereby facilitating the diagnosis of the doctor; and the invention saves the cost.
Description
Technical field
The present invention relates to a kind of medical supplies, the closed negative pressure drainage device of especially a kind of surgery.
Background technology
The notion of negative-pressure sealed drainage technology (vacuum sealing drainage/VSD, be called for short VSD technology) the earliest by German ULM doctor Fleischmann of university in initiative in 1992, and form six and take turns blank, be used for the drain of extremity wound surface.1997, Morykways etc. discovered that this device can promote the wound surface local blood circulation, promoted post bud tissue to generate, and reduced tissue bacterial content, improved flap or free skin-grafting survival rate.Confirmation such as Moues afterwards, the negative-pressure sealed drainage technology is compared with traditional moistening dressing wrapping, significantly shortens wound healing time.Fbaian compares more with hyperbaric oxygentherapy by experimental study discovery negative pressure drainage can promote granulation tissue hyperplasia; Couttefangeas finds that the cell that soaks on the adjuvant of wound filling is mainly the granulocyte composition, and CD4 (+) function T cell can promote the cleaning in the wound surface, and good microenvironment is provided.Labanaris etc. discovered that VSD can promote the hypertrophy of wound surface surrounding tissue lymph pipe network in 2009.More and more scholars has confirmed VSD Clinical application effect by a large amount of research and clinical practice, and its theoretical research is updated, and states such as Germany in 2003, Austria include this technology in wound treatment guide.
The negative-pressure sealed drainage technology is meant with the polyethylene ethanol aquation Sargassum salt foam dressing (VSD adjuvant) that contains negative-pressure drainage tube, cover or fill the wound surface of skin, soft tissue defects, the biological semipermeable membrane of reuse seals it, make it become a confined space, at last negative-pressure drainage tube is connected negative pressure source, promote a kind of brand-new Therapeutic Method of wound healing by controllable negative pressure.The VSD technology is widely used in China: fields such as traumatology department, orthopaedics, department of general surgery, Department of B urn.
Existing VSD technology basic configuration comprises negative pressure source (comprising central negative pressure device or negative pressure drainage vessel that medical attractor, hospital use), negative-pressure drainage tube, polyvinyl alcohol foam or other medical porous foam, sponge or gauze (being called for short porous dressing), the breathable films that can glue card sealing usefulness, joint (comprising two pass joints, three way cock or multiple-pass joint), drainage container etc.
The VSD technology is the product that traditional negative pressure drainage method is combined with closure dressing, and it produces machinery and biological effect by forming negative pressure at wound surface, promotes wound healing.Therefore must use special-purpose wound surface to fill dressing, existing wound surface is filled the dressing of dressing porous, and it requires inside to keep clear, to guarantee that the tissue that vacuum suction goes out can be by normal sucking-off, common used material is a polyvinyl alcohol, and require the foam micro-pore diameter at 0.2-1.0mm, and polyvinyl alcohol cost height, the manufacturing process complexity, mainly depend on import at present, simultaneously the required quantity of each patient treatment is more, causes this type of Therapeutic Method cost very high, has increased heavy financial burden to the patient.Therefore, a kind of substitute products cheaply of exploitation are task of top priority.
On this basis, the inventor has invented the closed negative pressure drainage of a kind of surgical wound and has filled dressing and preparation method with wound surface, its wound surface is filled dressing and is substituted polyvinyl alcohol with vegetable sponge, reduced cost, but, it is fixed that the wound surface that the closed negative pressure drainage of this surgical wound is used is filled dressing, disposable, it is filled dressing applies on wound, if want to observe the healing state of skin, tear the filling dressing of wound surface, after having observed, need to change and fill dressing, fill dressing and cannot use repeatedly; Secondly, employing be active mechanical negative pressure, carry inconvenience; Once more, vegetable sponge is filled dressing in use, easily is corroded.
Summary of the invention
The objective of the invention is to use closed negative pressure drainage technology, invent a kind ofly in wound closed treating process, can observe the closed negative pressure drainage device of wound healing situation at the skin incision wound surface.
Technical scheme of the present invention is:
The closed negative pressure drainage device of a kind of surgical wound, the porous dressing that it comprises negative pressure source, matches with the wound surface profile, the required semipermeable membrane of enclosed cavity and be inserted in negative-pressure drainage tube in the porous dressing movably in porous dressing, described semipermeable membrane is provided with the window that can open, the described window of opening is an adhesive-free area, and is sealing state when not opening.
The described window of opening is at the central area of semipermeable membrane, and the window that can open is by mounted and removable sealing paste sealing, the edge district of semipermeable membrane be permeable watertight the adhesivity district arranged.
Described device also is included in and is disposed with micropore precoat, aseptic transparent wear-resistant membrane subsides, semipermeable membrane in the porous dressing, and aseptic transparent wear-resisting subsides and semipermeable membrane closely attach the formation bright zone.
Described micropore precoat is one or more the combination in silkworm silk gauze, staple gauze, chemical yarn ﹠ fabric or rubber with holes, the plastics.
Described device uses face shield to replace negative-pressure drainage tube, and face shield is connected with the window that semipermeable membrane can be opened.
The window area that described semipermeable membrane can be opened is 1.5～2 times of porous dressing area.
Described device also comprises the liquid supplementation pipe of inserting in the porous dressing.
Described negative-pressure drainage tube externally connected portable formula machinery negative pressure device.
Described porous dressing is the vegetable sponge dressing of polyvinyl alcohol foam, porous foam, sponge or surface coverage micropore lining.
Beneficial effect of the present invention:
1, the wound that the present invention is directed to is a skin incision, adopts the skin incision wound surface to use closed negative pressure drainage technology, when using this device, can carry out the observation of the healing degree of wound, makes things convenient for doctor's diagnosis;
The dressing, the precoat that do not need the closed negative pressure drainage of whole replacing when 2, observing skin incision are saved cost.
3, negative pressure of the present invention adopts portable negative pressure machinery, can operate at any time.
4, the present invention also can adopt originally useless or only as medical material, make full use of the unobstructed characteristics of its internal structure as family's wash the dishes, have a bath vegetable material----vegetable sponge (or claiming chalina) of usefulness, is a kind of All Pure Nature biomaterial, Nonpoisonous, non-environmental-pollution.
5, vegetable sponge large aperture than the polyvinyl alcohol foam material, can provide more lasting powerful negative pressure, can not stop up negative-pressure drainage tube, can continue to keep wound clean.
6, utilize very similar characteristic of fibroin and human body skin cutin protein structure, as vegetable sponge surface coverage or lapping, the fineness that increases the vegetable sponge surface reaches vegetable sponge surface microporeization (silkworm silk gauze micro-pore diameter is at 0.2-1.0mm), make wound surface granulation growth uniformity, and fibroin can promote the inflammation wound to dwindle, promote the collagen protein secretion.
7, the vegetable sponge matrix can carry out the chitin coating, silver ion soaks antimicrobial treatment, can not be corroded in use.
8, help promoting agricultural development, the development low-carbon economy, the protection agricultural is ploughed the conservation of nature environment.
9, the present invention is with low cost, and is simple in structure, easily manufactured, and raw material and manufacturing cost only are about one of percentage of like product, can reduce medical treatment cost greatly, therefore helps the popularization of closed negative pressure attraction technology.
Description of drawings
Fig. 1 is the structural representation that closed wound surface of the present invention is filled dressing.
Fig. 2 is a vertical view of the present invention.
The dressing of 1-porous; The window that 2-can open; The aseptic transparent wear-resistant membrane of 3-pastes; The 4-semipermeable membrane; The 5-negative-pressure drainage tube; 6-feeder current pipe.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As depicted in figs. 1 and 2, the closed negative pressure drainage device of a kind of surgical wound, it is mainly by porous dressing 1, semipermeable membrane 4 is formed with the negative-pressure drainage tube 5 that is inserted in porous dressing 1, the controllable thickness of porous dressing 1 is in 4 centimetres, it covers skin incision, on porous dressing 1, be provided with then and form the movably required semipermeable membrane 4 of enclosed cavity of porous dressing 1, semipermeable membrane 4 is provided with the window of opening 2 that can observe skin incision, can pass through for negative-pressure drainage tube 5, when needs are observed the healing state of wound, open the window 2 that to open on the semipermeable membrane 4, mobile porous dressing 1 is owing to be the adhesive-free area territory below the window of opening 2, so can carry out moving of porous dressing 1, edge district at semipermeable membrane 4 also can partly be provided with the adhesive-free area territory, when having observed wound, close semipermeable membrane 4, window 2 sealings that can open on the semipermeable membrane 4.
As depicted in figs. 1 and 2, the closed negative pressure drainage device of a kind of surgical wound, it is mainly by porous dressing 1, semipermeable membrane 4 is formed with the negative-pressure drainage tube 5 that is inserted in porous dressing 1, porous dressing 1 adopts porous foam, THICKNESS CONTROL is in 4 centimetres, it covers skin incision, on porous dressing 1, be provided with then and form the movably required semipermeable membrane 4 of enclosed cavity of porous dressing 1, the window 2 of the central area of semipermeable membrane 4 for opening, the window 2 that can open is no glue bright zone, it is opening that the window 2 that can open has three limits, be closed state on one side, opening part is by the sealing of mounted and removable sealing paste, the edge district of semipermeable membrane 4 be permeable watertight the adhesivity district arranged.The window 2 that can open can pass through for negative-pressure drainage tube 5, when needs are observed the healing state of wound, opens the window 2 that can open on the semipermeable membrane 4, mobile porous dressing 1; When having observed wound, close semipermeable membrane 4, three limit opening parts of the window of opening 2 on the semipermeable membrane 4 are sealed by sealing paste.
As depicted in figs. 1 and 2, the closed negative pressure drainage device of a kind of surgical wound, it is mainly by porous dressing 1, micropore lining bottom 2, micropore lining surface layer 3, semipermeable membrane 4 is formed, porous dressing 1 adopts sponge, THICKNESS CONTROL is in 4 centimetres, it is between micropore lining bottom 2 and surface layer 3, can be connected to a bag shaped structure around micropore lining bottom 2 and the surface layer 3, can not link to each other mutually yet, the window 2 of the central area of semipermeable membrane 4 for opening, the window 2 that can open is no glue bright zone, the window 2 that can open is for oval, be closed state on one side, opening part seals by mounted and removable sealing paste, the edge district of semipermeable membrane 4 be permeable watertight the adhesivity district arranged.
When needs are observed the healing state of wound, open the window 2 that to open on the semipermeable membrane 4, mobile porous dressing 1; When having observed wound, close semipermeable membrane 4, the opening part of the window of opening 2 on the semipermeable membrane 4 is sealed by sealing paste.The window of the opening 2 usefulness face shields of semipermeable membrane 4 attach, and replace negative-pressure drainage tube.Window 2 areas that semipermeable membrane 4 can be opened are 1.5 times of porous dressing 1 area.
As depicted in figs. 1 and 2, the closed negative pressure drainage device of a kind of surgical wound, it is mainly by porous dressing 1, micropore lining bottom 2, micropore lining surface layer 3, form porous dressing 1 movably required semipermeable membrane 4 of enclosed cavity and negative-pressure drainage tube 5 compositions, porous dressing 1 adopts the vegetable sponge matrix, controllable thickness is in 4 centimetres, it is between micropore lining bottom and surface layer, can be connected to a bag shaped structure around micropore lining bottom and the surface layer, can not link to each other mutually yet, the window 2 of the central area of semipermeable membrane 4 for opening, no glue and the bright zone of opening is arranged, be convenient to the vegetable sponge matrix and move the observation wound, the edge district of semipermeable membrane 4 be permeable watertight the adhesivity district arranged, between micropore precoat and semipermeable membrane 4, be provided with aseptic transparent wear-resistant membrane and paste 2, semipermeable membrane 4 and aseptic transparent wear-resisting subsides 2 closely attach and form bright zone, on opening is arranged, for negative-pressure drainage tube, liquid supplementation pipe is passed through, perhaps replace negative-pressure drainage tube, the face shield of liquid supplementation pipe attaches, and opening part is by mounted and removable sealing paste sealing.Its main effect is the environment that forms a sealing around wound, so that can in the environment of sealing, form negative pressure by negative pressure generator, and then be convenient to wound fluid and see through micropore lining bottom and enter in the vegetable sponge matrix, negative-pressure drainage tube from stretch into the vegetable sponge matrix 5 sucks in the drainage bottle again, in case of necessity, also can insert feeder current pipe 6 in the vegetable sponge matrix, so that be wound surface supplement therapy liquid or nutritional solution by positive pressure system.The semipermeable membrane 4 of sealing usefulness is used for the impermeable plastic wound dressing wound surface, and requirement is not by fluid molecule, to antibacterial certain barrier to be arranged by gaseous molecular, can adopt polyurethane semipermeable membrane commonly used at present.Negative-pressure drainage tube 5 can use single and many drains according to the wound surface situation, buries and fills in vegetable sponge matrix inside, adopts loose structure and needs certain rigidity, can adopt silica gel tube or high molecule plastic pipe.Substitute negative-pressure drainage tube and liquid supplementation pipe with face shield, be attached at bright zone window split shed, promptly become the mask type skin incision and paste.Negative pressure suction device adopts portable mechanism vacuum suction dish.
During concrete enforcement, described micropore lining is the silkworm silk gauze, fibroin in the silkworm silk gauze and human body skin cutin protein structure be similar characteristic very, as vegetable sponge surface coverage or lapping, the fineness that can increase the vegetable sponge surface reaches vegetable sponge surface microporeization (silkworm silk gauze micro-pore diameter is at 0.2-1.0mm), make wound surface granulation growth uniformity, and fibroin can promote the inflammation wound to dwindle, promote the collagen protein secretion.
Negative-pressure drainage tube 5 can use single and many drains according to the wound surface situation, buries and fills in vegetable sponge matrix inside, adopts loose structure and needs certain rigidity, can adopt silica gel tube or high molecule plastic pipe.Adopt portable mechanism vacuum suction dish.
Fill 100 groups of contrast tests of dressing and import wound surface filling dressing finds by the wound surface that vegetable sponge of the present invention is made, wound surface of the present invention fills dressing because breathability is better, therefore the patient on average shortens one and half in the cycle of fully recovering, and the employed expense of dressing only for import dressing 10% less than, the financial burden that greatly reduced the patient has excellent popularization and is worth.
Present embodiment is identical with embodiment 4, and different is that porous dressing adopts polyethylene ethanol aquation Sargassum salt foam dressing.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (9)
1. closed negative pressure drainage device of surgical wound, the porous dressing (1) that it comprises negative pressure source, matches with the wound surface profile, the required semipermeable membrane (4) of enclosed cavity and be inserted in negative-pressure drainage tube (5) in the porous dressing (1) movably in porous dressing (1), it is characterized in that: described semipermeable membrane (4) is provided with the window (2) that can open, the described window of opening (2) is an adhesive-free area, and is sealing state when not opening.
2. the closed negative pressure drainage device of surgical wound according to claim 1, it is characterized in that: the described window of opening (2) is at the central area of semipermeable membrane (4), the window that can open (2) is by the sealing of mounted and removable sealing paste, the edge district of semipermeable membrane (4) be permeable watertight the adhesivity district arranged.
3. the closed negative pressure drainage device of surgical wound according to claim 1, it is characterized in that: described device also is included in and is disposed with the micropore precoat in the porous dressing (1), aseptic transparent wear-resistant membrane pastes (3), semipermeable membrane (4), and aseptic transparent wear-resisting subsides (3) and semipermeable membrane (4) closely attach and form bright zone.
4. the closed negative pressure drainage device of surgical wound according to claim 3 is characterized in that: described micropore precoat is one or more the combination in silkworm silk gauze, staple gauze, chemical yarn ﹠ fabric or rubber with holes, the plastics.
5. according to any closed negative pressure drainage device of described surgical wound of claim 1 to 3, it is characterized in that: described device uses face shield to replace negative-pressure drainage tube (5), and face shield is connected with the window (2) that semipermeable membrane (4) can be opened.
6. according to any closed negative pressure drainage device of described surgical wound of claim 1 to 3, it is characterized in that: window (2) area that described semipermeable membrane (4) can be opened is 1.5～2 times of porous dressing (1) area.
7. according to any closed negative pressure drainage device of described surgical wound of claim 1 to 3, it is characterized in that: described device also comprises the liquid supplementation pipe of inserting in the porous dressing (1) (6).
8. the closed negative pressure drainage device of surgical wound according to claim 1 is characterized in that: described negative-pressure drainage tube (5) externally connected portable formula machinery negative pressure device.
9. the closed negative pressure drainage device of surgical wound according to claim 1 is characterized in that: described porous dressing (1) is the vegetable sponge dressing of polyvinyl alcohol foam, porous foam, sponge or surface coverage micropore lining.
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| CN 201110148232 CN102274574A (en) | 2011-06-02 | 2011-06-02 | Surgical wound surface closed negative pressure drainage device |
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| CN 201110148232 CN102274574A (en) | 2011-06-02 | 2011-06-02 | Surgical wound surface closed negative pressure drainage device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012075882A1 (en) * | 2010-12-06 | 2012-06-14 | Chen Dehua | Wound dressing for surgical wound vacuum-assisted closure and preparation method therefor and device |
| CN102631261A (en) * | 2012-05-07 | 2012-08-15 | 钟春燕 | Wet composite dressing and sealed negative pressure drainage device therefrom |
| CN106726147A (en) * | 2017-03-08 | 2017-05-31 | 中国医学科学院北京协和医院 | A kind of transparent dressing with inflation compression wound function |
| CN107693856A (en) * | 2017-09-15 | 2018-02-16 | 孙永 | A kind of sealed vacuum drainage device for surgical wounds |
| CN108186200A (en) * | 2012-08-01 | 2018-06-22 | 史密夫及内修公开有限公司 | Wound dressing |
| CN112689489A (en) * | 2019-04-18 | 2021-04-20 | 李槿哲 | Improved bedsore-proof component |
| CN113520720A (en) * | 2021-07-15 | 2021-10-22 | 上海美宝生命科技有限公司 | Closed negative pressure drainage dressing system |
| CN113784694A (en) * | 2019-05-09 | 2021-12-10 | 李槿哲 | Improved wound treatment member |
| US11484443B2 (en) | 2010-02-26 | 2022-11-01 | Smith & Nephew, Inc. | Systems and methods for using negative pressure wound therapy to manage open abdominal wounds |
| CN115486989A (en) * | 2022-09-30 | 2022-12-20 | 中国人民解放军联勤保障部队第九0一医院 | Negative pressure wound surface treatment device |
| US11554051B2 (en) | 2017-06-30 | 2023-01-17 | T.J. Smith And Nephew, Limited | Negative pressure wound therapy apparatus |
| US11590029B2 (en) | 2012-05-23 | 2023-02-28 | Smith & Nephew Plc | Apparatuses and methods for negative pressure wound therapy |
| US11771796B2 (en) | 2013-03-15 | 2023-10-03 | Smith & Nephew Plc | Wound dressing and method of treatment |
| US11801338B2 (en) | 2012-08-01 | 2023-10-31 | Smith & Nephew Plc | Wound dressing and method of treatment |
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| CN101511401A (en) * | 2007-08-13 | 2009-08-19 | 陈少全 | Stickup multifunctional negative pressure drainage device |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11484443B2 (en) | 2010-02-26 | 2022-11-01 | Smith & Nephew, Inc. | Systems and methods for using negative pressure wound therapy to manage open abdominal wounds |
| WO2012075882A1 (en) * | 2010-12-06 | 2012-06-14 | Chen Dehua | Wound dressing for surgical wound vacuum-assisted closure and preparation method therefor and device |
| CN102631261A (en) * | 2012-05-07 | 2012-08-15 | 钟春燕 | Wet composite dressing and sealed negative pressure drainage device therefrom |
| CN102631261B (en) * | 2012-05-07 | 2014-04-16 | 钟春燕 | Wet composite dressing and sealed negative pressure drainage device therefrom |
| US11590029B2 (en) | 2012-05-23 | 2023-02-28 | Smith & Nephew Plc | Apparatuses and methods for negative pressure wound therapy |
| CN108186200A (en) * | 2012-08-01 | 2018-06-22 | 史密夫及内修公开有限公司 | Wound dressing |
| US11864981B2 (en) | 2012-08-01 | 2024-01-09 | Smith & Nephew Plc | Wound dressing and method of treatment |
| US11801338B2 (en) | 2012-08-01 | 2023-10-31 | Smith & Nephew Plc | Wound dressing and method of treatment |
| US11771796B2 (en) | 2013-03-15 | 2023-10-03 | Smith & Nephew Plc | Wound dressing and method of treatment |
| CN106726147A (en) * | 2017-03-08 | 2017-05-31 | 中国医学科学院北京协和医院 | A kind of transparent dressing with inflation compression wound function |
| US11554051B2 (en) | 2017-06-30 | 2023-01-17 | T.J. Smith And Nephew, Limited | Negative pressure wound therapy apparatus |
| CN107693856A (en) * | 2017-09-15 | 2018-02-16 | 孙永 | A kind of sealed vacuum drainage device for surgical wounds |
| CN112689489A (en) * | 2019-04-18 | 2021-04-20 | 李槿哲 | Improved bedsore-proof component |
| CN113784694A (en) * | 2019-05-09 | 2021-12-10 | 李槿哲 | Improved wound treatment member |
| CN113520720B (en) * | 2021-07-15 | 2022-09-30 | 上海美宝生命科技有限公司 | Closed negative pressure drainage dressing system |
| CN113520720A (en) * | 2021-07-15 | 2021-10-22 | 上海美宝生命科技有限公司 | Closed negative pressure drainage dressing system |
| CN115486989A (en) * | 2022-09-30 | 2022-12-20 | 中国人民解放军联勤保障部队第九0一医院 | Negative pressure wound surface treatment device |
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Application publication date: 20111214 |