CN203408163U - Novel compound foam material negative-pressure absorption device - Google Patents

Novel compound foam material negative-pressure absorption device Download PDF

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CN203408163U
CN203408163U CN 201320496311 CN201320496311U CN203408163U CN 203408163 U CN203408163 U CN 203408163U CN 201320496311 CN201320496311 CN 201320496311 CN 201320496311 U CN201320496311 U CN 201320496311U CN 203408163 U CN203408163 U CN 203408163U
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foam
foam material
pva
material layer
layer
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CN 201320496311
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朱新生
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朱新生
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Abstract

The utility model discloses a novel compound foam material negative-pressure absorption device which comprises a PVA (Poly Vinyl Alcohol) water absorption foam material layer, wherein a negative-pressure drainage tube is arranged at the upper end surface of the PVA water absorption foam material layer; a softened foam material layer is arranged below the PVA water absorption foam material layer; the PVA water absorption foam material layer and the softened foam material layer are fixedly connected through an adhesion surface; three-dimensional intercommunication micropores are formed in the adhesion surface; due to the three-dimensional intercommunication micropores, a three-dimensional net pore structure of the softened foam material layer is communicated with a three-dimensional net pore space structure of the PVA water absorption foam material layer. The softened foam material layer is not adhered to a wound surface after being put on the wound surface for a long time, and the bleeding is prevented when the softened foam material layer is revealed, so that the clinical applicability is greatly widened, and the success rate of the application to skin-grafting, transposition of flap and the like is greatly improved; after the softened foam material layer is kept soft after being dehydrated and dried, so that the problems that a conventional PVA water absorption foam material layer is hardened after being dehydrated and dried, the hardened foam material has side effect when pressing tissues and the wound surfaces, and the negative-pressure treatment is disabled are solved.

Description

新型复合泡沬材料负压吸附装置 Foam materials of new composite vacuum adsorption means

技术领域 FIELD

[0001] 本实用新型涉及一种新型复合泡沫材料负压吸附装置。 [0001] The present invention relates to a novel foam composite vacuum suction means.

背景技术 Background technique

[0002] 负压护创泡沫材料是负压治疗的关键材料,其性能直接决定临床效果及临床适应症范围。 [0002] creating a negative pressure retaining foam material is a key negative pressure therapy, which directly determines the performance of the clinical effect and clinical indications range. 理想的泡沫材料性能如下:a)负压护创泡沫材料与创面长期放置不粘连,揭开材料时不出血,不对创面造成二次损伤;b)负压护创泡沫材料不能外加防霉剂及抗生素,避免外用抗生素等副作用;c)负压护创泡沫材料脱水变干后,应该保持柔软,避免对组织及创面压迫导致的副作用;d)负压护创泡沫材料弹性合适,即能有效传导负压,又能避免弹性太大引起创面疼痛;e)负压护创泡沫材料吸液性能好;f)负压护创泡沫材料极佳的负压传导性能,网孔互通及网孔大小合适。 Over the foam properties are as follows: a) creating a negative pressure retaining the foam and the wound long-term placement without adhesion, the material is not opened bleeding, does not cause secondary damage to the wound; b) creating a negative pressure protection can not be applied to the foam and Fungicides antibiotics, topical antibiotics avoid the side effects and the like; c) the foam material creating a negative pressure retaining dehydration dry, should remain soft tissue and avoid the side effects caused by compression of the wound; D) create a negative pressure retaining suitable elastomeric foams, i.e. effective conduction negative, but also to avoid too much elasticity causes wound pain; E) creating a negative pressure retaining the good performance of the liquid absorbing foams; F) create a negative pressure retaining foam excellent conductivity of the negative pressure, the mesh and mesh size suitable interworking .

[0003]目前临床才常用的负压护创泡沫材料一般为一层的水化聚乙烯醇泡沫材料(PVA)或一层聚氨酯泡沫材料(PU)或一层的植物纤维泡沫材料(一般是经过丝瓜瓤经化工处理)。 [0003] There is currently only used in clinical care of the negative pressure creating a layer of foam material is generally hydrated polyvinyl alcohol foam (PVA) or a layer of polyurethane foam (PU) foam layer or plant fibers (typically via loofahs by chemical treatment).

[0004] 水化聚乙烯醇泡沫材料(PVA)的性能缺陷:a)泡沫材料外添加了防霉剂及抗生素,这样,防止水化聚乙烯醇泡沫材料(PVA)发霉,然而外用抗生素等副作用大,例如:皮肤水泡、违反医疗常规及医疗器械管理规定;b)材料脱水变干后变硬(硬度与石膏相当),导致负压传导失效,治疗失败以及人体其它副作用。 [0004] The hydrated polyvinyl alcohol foam (PVA) performance deficiencies: a) an outer foam add fungicide and antibiotics, This prevents hydration of polyvinyl alcohol foam (PVA) moldy, but side effects such as topical antibiotics large, for example: skin blisters, and medical equipment in violation of the conventional medical regulations; b) dehydrating the material dries hard (hardness gypsum equivalent), resulting in conduction failure of the negative pressure, body treatment failure and other side effects.

[0005] 聚氨酯泡沫材料(PU)与植物纤维泡沫材料的缺陷:a)材料与创面长期放置粘连,揭开材料时出血,导致创面二次损伤;b)材料吸液性能不佳。 Defects [0005] The polyurethane foam (PU) foam and fiber plants: a) long-term placement material wound adhesions, bleeding, resulting in damage to the wound when the secondary material is opened; poor b) liquid absorbing properties of the material.

实用新型内容 SUMMARY

[0006] 本实用新型的目的,在于提供一种新型复合泡沫材料负压吸附装置。 [0006] The object of the present invention is to provide a novel composite foams vacuum suction means.

[0007] 本实用新型解决其技术问题的解决方案是:新型复合泡沫材料负压吸附装置,其包括三维网孔空间结构的PVA吸水泡沫材料层,所述PVA吸水泡沫材料层的上端面安装有至少一支负压引流管,PVA吸水泡沫材料层的下方设置三维网孔空间结构的软化泡沫材料层,所述PVA吸水泡沫材料层和软化泡沫材料层之间通过粘结面固定连接,所述粘结面上设有三维互通微孔,所述三维互通微孔使得软化泡沫材料层的三维网孔空间结构与PVA吸水泡沫材料层的三维网孔空间结构连通。 [0007] The present invention to solve the technical solution to the problem is: new composite foams vacuum adsorption device, which comprises a PVA layer of absorbent foam structure of the three-dimensional mesh spaces, mounted on the end face of the water-absorbing PVA foam layer under at least one suction drainage tube, PVA foam layer absorbent foam layer disposed softening spatial structure of a three-dimensional mesh, is fixedly connected by bonding between the surface of the water-absorbing foam layer and the PVA foam layer softens, the interworking the adhesion surface with a three- dimensional microporous, three-dimensionally intercommunicating pores such that the three-dimensional mesh structure and the spatial structure of the pore space of the foam layer is softened PVA absorbent foam layer three-dimensional network communication.

[0008] 作为上述技术方案的进一步改进,所述软化泡沫材料层的面积比PVA吸水泡沫材料层的面积大 [0008] As a further improvement to the foregoing technical solution, the softened foam layer area ratio of the water-absorbing foam layer PVA large area

[0009] 作为上述技术方案的进一步改进,所述软化泡沫材料层的厚度比PVA吸水泡沫材料层的厚度小。 [0009] As a further improvement to the foregoing technical solution, the softening of the foam material layer thickness smaller than the thickness of the layer of absorbent foam material PVA.

[0010] 作为上述技术方案的进一步改进,所述软化泡沫材料层的厚度为广2毫米,所述PVA吸水泡沫材料层的厚度为2飞毫米。 [0010] As a further improvement to the foregoing technical solution, the softened foamed material layer has a thickness of 2 mm wide, the thickness of the PVA layer of absorbent foam material is 2 mm to fly.

[0011] 本实用新型的有益效果是:与现在的负压护创泡沫材料相比,有以下有点: [0011] The present invention has the advantages that: compared with the current negative pressure to create foam protection, there are the following advantages:

[0012] 1,软化泡沫材料层与创面长期放置不粘连,揭开软化泡沫材料层时不出血,不对创面造成二次损伤,极大地拓宽了临床适应症及提高了植皮、转移皮瓣等应用成功率; [0012] 1, softening foam layer and non-adhesive wound long-term placement, not bleeding when opened softening foam layer, and do not cause secondary damage to the wound, greatly broadens the clinical indications and enhance the skin graft, flap transfer applications Success rate;

[0013] 2,包装时不需要添加防霉剂及抗生素,避免了临床上目前常用的PVA泡沫材料脱水变干后,即出现硬度增大(与石膏硬度相当),变硬的泡沫材料对组织及创面压迫导致的副作用及负压治疗失效的问题; [0013] 2, without adding antibiotics and fungicide package, avoiding the commonly used current clinical dehydrated PVA foam dries, i.e., increase in hardness occurs (equivalent to the hardness of gypsum), hardened foam tissue problems caused by compression of the wound and side effects and negative pressure therapy failure;

[0014] 3,本实用新型属于超薄类型,结构设计合理,大大地节约手术贴膜时间; [0014] 3, the present invention belongs to the type of thin, reasonable structure, film greatly save the operation time;

[0015] 4,PVA吸水泡沫材料层吸液性能好,负压传导性能佳,网孔互通及网孔大小合适; [0015] 4, good PVA foam layer absorbent liquid-absorbent properties, optimal performance negative conductive, mesh and mesh size suitable interworking;

[0016] 5,软化泡沫材料层弹性合适,即能有效传导负压,又能避免弹性太大引起创面疼痛。 [0016] 5, the elastic foam layer suitable to soften, i.e., negative pressure can be effectively conducting, resilient and avoid wounds caused by too much pain.

附图说明 BRIEF DESCRIPTION

[0017] 下面结合附图及实例对本实用新型作进一步的说明。 [0017] further explanation of the invention as examples and the accompanying drawings below.

[0018] 图1是本实用新型的泡沫材料的中剖视图; [0018] FIG. 1 is a cross-sectional view of the present invention a foam material;

[0019] 图2是本实用新型的泡沫材料的结构示意图; [0019] FIG. 2 is a schematic view of the present invention a foam material;

[0020] 图3是本实用新型的第一实施例结构示意图; [0020] FIG. 3 is a schematic view of a first embodiment of the present invention embodiment configuration;

[0021] 图4是本实用新型的第一实施例结构示意图。 [0021] FIG. 4 is a schematic view of a first embodiment of the novel structure of the present invention.

具体实施方式 Detailed ways

[0022] 下面结合附图,详细说明本实用新型的应用。 [0022] below with the accompanying drawings, application of the present invention in detail.

[0023] 参照图1〜图3,新型复合泡沫材料负压吸附装置,其包括三维网孔空间结构的PVA吸水泡沫材料层1,PVA吸水泡沫材料层I吸水后膨胀,所述PVA吸水泡沫材料层I的上端面安装有至少一支负压引流管,PVA吸水泡沫材料层I的下方设置三维网孔空间结构的软化泡沫材料层2,软化泡沫材料层2可以为PVA材料,也可以为其他合适的材料。 [0023] Referring to FIG. 1 ~ 3, the new composite foams vacuum adsorption device, which comprises a three-dimensional spatial structure of the mesh PVA water-absorbing foam layer 1, the absorbent foam layer I PVA water-swellable, water-absorbing foam material of the PVA mounted on the end face of at least one layer I suction drainage tube, below the water-absorbing PVA foam layer I softened foam layer disposed pore space of a three-dimensional network structure 2, soften the foam material layer 2 may be a PVA material, it may be other suitable materials. 软化泡沫材料层2与创面长期放置不粘连,揭开软化泡沫材料层2时不出血,不对创面造成二次损伤,极大地拓宽了临床适应症及提高了植皮、转移皮瓣等应用成功率,所述PVA吸水泡沫材料层I和软化泡沫材料层2之间通过粘结面3固定连接,所述粘结面3上设有三维互通微孔,所述三维互通微孔使得软化泡沫材料层2的三维网孔空间结构与PVA吸水泡沫材料层I的三维网孔空间结构连通,PVA吸水泡沫材料层I吸液性能好,负压传导性能佳,网孔互通及网孔大小合适。 Softening foam layer 2 and the wound is not long-term placement adhesions, opened softening foam layer 2 is not bleeding, does not cause secondary damage to the wound, greatly broadens the clinical indications and enhance the skin graft, flap transfer applications such as the success rate, 2 between the PVA and the water-absorbing foam layer I softened foamed material layer 3 is fixedly connected by adhesion surface, the three-dimensionally intercommunicating pores provided on the adhesive surface 3, such that the three-dimensionally intercommunicating pores softened foamed material layer 2 mesh communication dimensional spatial structure and the water-absorbing PVA foam layer I of the three-dimensional mesh space structure, good liquid absorbing performance I PVA water-absorbing foam layer, the negative pressure conduction optimal performance, the mesh size of the mesh and the appropriate exchange. 本实用新型不需要添加防霉剂及抗生素,避免外用抗生素等副作用;软化泡沫材料层2脱水变干后,保持柔软,目前常用的PVA泡沫材料脱水变干后,即出现硬度增大(与石膏硬度相当),变硬的泡沫材料对组织及创面压迫导致的副作用及负压治疗失效的问题。 The present invention does not require adding an antibiotic and fungicide, avoid the side effects and other topical antibiotics; 2 dewatered softened foam layer dries, remains soft, the current commonly used PVA foam after dehydration dry, i.e., increase in hardness occurs (gypsum hardness equivalent), hard foam material and a negative pressure side and wound treatment failure due to compression problems.

[0024] 进一步作为优选的实施方式,所述引流管包括内置引流管20以及外接引流管30,所述内置引流管20为引流管的前端,所述内置引流管20的管壁上设有引流侧孔,所述外接引流管30的前端套入内置引流管20的引流管接头70,所述外接引流管30的后端联接至负压源。 [0024] As a further preferred embodiment, the drainage tube 20 and draft tube includes a built external drainage tube 30, the drainage tube 20 is built distal end of the drainage tube, the wall of the drainage tube is provided with built-in drainage 20 side hole, the external drainage tube distal sheath 30 built into the drainage pipe joint 70 of the drainage tube 20, the rear end of the external drainage tube 30 is coupled to a negative pressure source.

[0025] 进一步作为优选的实施方式,参照图4所示的实施例,每个内置引流管20旁均设置内置冲洗管40,所述内置冲洗管40的前端直接置于PVA吸水泡沫材料层I上设有引流管的一侧表面或穿过PVA吸水泡沫材料层I后伸出PVA吸水泡沫材料层I外表面或侧面,该穿过PVA吸水泡沫材料层I的方式如缝合针缝合时的方式。 [0025] As a further preferred embodiment, with reference to the embodiment shown in FIG. 4, each built drainage tube 20 are disposed beside the built-in rinse tube 40, the distal end of the irrigation tube 40 is built directly into the water-absorbing PVA foam layer I I extended material layer or an outer side surface of the absorbent PVA foam after one surface provided with a drainage tube or through the water-absorbing PVA foam layer I, the water-absorbing foam material which passes through the PVA layer I mode when manner as suture needle . . [0026] 进一步作为优选的实施方式,所述内置冲洗管40的后端上设有冲洗管接头60,所述冲洗管接头60上还安装有可拆装的外置冲洗管50。 [0026] As a further preferred embodiment, the built-in rinse irrigation pipe nipple 60 is provided on the rear end 40 of the pipe fitting 60 is also flush mounted with a removable external irrigation tube 50.

[0027] 进一步作为优选的实施方式,所述软化泡沫材料层2的面积比PVA吸水泡沫材料层I的面积大,这样可以使得创面都处于软化泡沫材料层2的覆盖范围,使得PVA吸水泡沫材料层I不能直接接触人体。 [0027] As a further preferred embodiment, the softening of the foam layer 2 is larger than the area of ​​the water-absorbing PVA foam layer area I, so that the wound can be made both in the coverage of the foam layer 2 is softened, so that the water-absorbing PVA foam I layer not in direct contact with the human body.

[0028] 进一步作为优选的实施方式,所述软化泡沫材料层2的厚度比PVA吸水泡沫材料层I的厚度小。 [0028] As a further preferred embodiment, the softening of the foam layer 2 has a thickness smaller than the thickness of the PVA layer of the water-absorbing foam of I.

[0029] 进一步作为优选的实施方式,所述软化泡沫材料层2的厚度为广2毫米,所述PVA吸水泡沫材料层I的厚度为2飞毫米,超薄类型,结构设计合理,大大地节约手术贴膜时间。 Thickness [0029] As a further preferred embodiment, the softening of the foam layer 2 is 2 mm wide, the thickness of the PVA layer of absorbent foam material 2 is flying I mm, reasonably thin type, design, greatly save foil surgery time.

[0030] 以上是对本实用新型的较佳实施方式进行了具体说明,但本发明创造并不限于所述实施例,熟悉本领域的技术人员在不违背本实用新型精神的前提下还可作出种种的等同变型或替换,这些等同的变型或替换均包含在本申请权利要求所限定的范围内。 [0030] The above is the preferred embodiment of the present invention has been specifically described embodiment, but the present invention is not limited to the creation of embodiments, those skilled in the art without departing from the spirit of the premise of the present invention may be made of various equivalent modifications or substitutions such equivalent variations or substitutions are included in the present application within the scope defined by the claims.

Claims (7)

1.新型复合泡沫材料负压吸附装置,其特征在于:其包括三维网孔空间结构的PVA吸水泡沫材料层,所述PVA吸水泡沫材料层的上端面安装有至少一支负压引流管,PVA吸水泡沫材料层的下方设置三维网孔空间结构的软化泡沫材料层,所述PVA吸水泡沫材料层和软化泡沫材料层之间通过粘结面固定连接,所述粘结面上设有三维互通微孔,所述三维互通微孔使得软化泡沫材料层的三维网孔空间结构与PVA吸水泡沫材料层的三维网孔空间结构连通。 1. The new composite foams vacuum adsorption device, characterized in that: it comprises a three-dimensional spatial structure of the water-absorbing PVA mesh foam layer, at least one end surface attached to the suction drainage tube PVA water-absorbing foam material layer, PVA under the absorbent material layer disposed softened foamed foam layer structure of a three-dimensional mesh spaces, the PVA layer and a water-absorbing foam material softens fixedly connected by bonding between the surface of foam layers, the adhesion surface is provided with a three-dimensional micro interworking hole, the three-dimensional three-dimensionally intercommunicating pores softened so that the three-dimensional spatial structure of the mesh structure of the mesh space PVA foam layer of foam absorbent material layer communication.
2.根据权利要求1所述的新型复合泡沫材料负压吸附装置,其特征在于:所述负压引流管包括内置引流管以及外接引流管,所述内置引流管为引流管的前端,所述内置引流管的管壁上设有引流侧孔,所述外接引流管的前端套入内置引流管的引流管接头,所述外接引流管的后端联接至负压源。 The new composite foams vacuum adsorption apparatus according to claim 1, wherein: said negative pressure comprises a drainage tube and a drainage tube built external drainage tube, the distal end of the drainage tube is built drainage tube, the drainage tube is provided with built-wall side of the drainage hole, the external drainage tube drainage tube built into the distal sleeve drainage pipe joint, the external drainage tube is coupled to the rear end of the vacuum source.
3.根据权利要求2所述的新型复合泡沫材料负压吸附装置,其特征在于:每个内置引流管旁均设置内置冲洗管,所述内置冲洗管的前端直接置于PVA吸水泡沫材料层上设有引流管的一侧表面或穿过PVA吸水泡沫材料层后伸出PVA吸水泡沫材料层外表面或侧面。 The new composite foams vacuum adsorption apparatus according to claim 2, wherein: each of the tubes are built next to the drainage tube is provided built-in rinse, a built directly into the distal end of the irrigation tube PVA foam layer on the water-absorbing after the drainage tube is provided with a side surface of the absorbent or through PVA PVA foam layer extending beyond the absorbent foam layer surface or side.
4.根据权利要求3所述的新型复合泡沫材料负压吸附装置,其特征在于:所述内置冲洗管的后端上设有冲洗管接头,所述冲洗管接头上还安装有可拆装的外置冲洗管。 The new composite foam according to the negative pressure adsorption apparatus according to claim 3, wherein: said rear end of the flush pipe provided with the built-in flushing pipe joint, the irrigation tube fitting also mounted on a detachable external flushing pipes.
5.根据权利要求1所述的新型复合泡沫材料负压吸附装置,其特征在于:所述软化泡沫材料层的面积比PVA吸水泡沫材料层的面积大。 The new composite foam according to the negative pressure adsorption apparatus according to claim 1, characterized in that: the material layer is softened a large area ratio of PVA foam absorbent foam layer area.
6.根据权利要求1所述的新型复合泡沫材料负压吸附装置,其特征在于:所述软化泡沫材料层的厚度比PVA吸水泡沫材料层的厚度小。 The new composite foam according to the negative pressure adsorption apparatus according to claim 1, wherein: the softened foam material layer thickness smaller than the thickness of the PVA layer of absorbent foam material.
7.根据权利要求3所述的新型复合泡沫材料负压吸附装置,其特征在于:所述软化泡沫材料层的厚度为广2毫米,所述PVA吸水泡沫材料层的厚度为2飞毫米。 The new composite foam as claimed in claim 3 vacuum suction means, characterized in that: the thickness of the softened material of the foam layer is 2 mm wide, the thickness of the PVA layer of absorbent foam material is 2 mm to fly.
CN 201320496311 2013-08-14 2013-08-14 Novel compound foam material negative-pressure absorption device CN203408163U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104225768A (en) * 2014-06-16 2014-12-24 武汉维斯第医用科技股份有限公司 Multilayer negative-pressure closed drainage wound protecting device
WO2018041805A1 (en) * 2016-08-30 2018-03-08 Smith & Nephew Plc Systems for applying reduced pressure therapy
US10070994B2 (en) 2012-05-22 2018-09-11 Smith & Nephew Plc Apparatuses and methods for wound therapy
US10117782B2 (en) 2012-05-24 2018-11-06 Smith & Nephew, Inc. Devices and methods for treating and closing wounds with negative pressure
US10124098B2 (en) 2013-03-13 2018-11-13 Smith & Nephew, Inc. Negative pressure wound closure device and systems and methods of use in treating wounds with negative pressure
US10130520B2 (en) 2012-07-16 2018-11-20 Smith & Nephew, Inc. Negative pressure wound closure device
US10159771B2 (en) 2013-03-14 2018-12-25 Smith & Nephew Plc Compressible wound fillers and systems and methods of use in treating wounds with negative pressure
US10179073B2 (en) 2014-01-21 2019-01-15 Smith & Nephew Plc Wound treatment apparatuses
US10201642B2 (en) 2014-01-21 2019-02-12 Smith & Nephew Plc Collapsible dressing for negative pressure wound treatment
US10220125B2 (en) 2012-02-03 2019-03-05 Smith & Nephew Plc Apparatuses and methods for wound therapy

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10220125B2 (en) 2012-02-03 2019-03-05 Smith & Nephew Plc Apparatuses and methods for wound therapy
US10070994B2 (en) 2012-05-22 2018-09-11 Smith & Nephew Plc Apparatuses and methods for wound therapy
US10117782B2 (en) 2012-05-24 2018-11-06 Smith & Nephew, Inc. Devices and methods for treating and closing wounds with negative pressure
US10130520B2 (en) 2012-07-16 2018-11-20 Smith & Nephew, Inc. Negative pressure wound closure device
US10124098B2 (en) 2013-03-13 2018-11-13 Smith & Nephew, Inc. Negative pressure wound closure device and systems and methods of use in treating wounds with negative pressure
US10159771B2 (en) 2013-03-14 2018-12-25 Smith & Nephew Plc Compressible wound fillers and systems and methods of use in treating wounds with negative pressure
US10179073B2 (en) 2014-01-21 2019-01-15 Smith & Nephew Plc Wound treatment apparatuses
US10201642B2 (en) 2014-01-21 2019-02-12 Smith & Nephew Plc Collapsible dressing for negative pressure wound treatment
CN104225768A (en) * 2014-06-16 2014-12-24 武汉维斯第医用科技股份有限公司 Multilayer negative-pressure closed drainage wound protecting device
WO2018041805A1 (en) * 2016-08-30 2018-03-08 Smith & Nephew Plc Systems for applying reduced pressure therapy

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