CN202682162U - Waterproof breathable polyurethane foam dressing - Google Patents
Waterproof breathable polyurethane foam dressing Download PDFInfo
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- CN202682162U CN202682162U CN 201220270535 CN201220270535U CN202682162U CN 202682162 U CN202682162 U CN 202682162U CN 201220270535 CN201220270535 CN 201220270535 CN 201220270535 U CN201220270535 U CN 201220270535U CN 202682162 U CN202682162 U CN 202682162U
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- polyurethane
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Abstract
The utility model provides a waterproof breathable polyurethane foam dressing. The polyurethane foam dressing comprises a polyurethane flexible foam body, an adhesive layer and a polyurethane porous membrane layer which are sequentially laminated. The area of the polyurethane flexible foam body is smaller than the areas of the adhesive layer and the polyurethane porous membrane layer. The adopted medical dressing which is formed by the polyurethane flexible foam body, the adhesive layer and the polyurethane porous membrane layer has good biocompatibility, and the polyurethane flexible foam body has a rich porous structure, so that a good water absorption effect is obtained; and the dressing has good physical performances of high elasticity, good pressing performance and the like, and has a good protection function on wounds and skins around the wounds. A polyurethane porous membrane has good mechanical performance, and can increase the usability of the dressing; and moreover, the polyurethane porous membrane has the characteristics of waterproofness, air permeability and bacteria prevention, can prevent water, bacteria and microorganism in the environment from entering the wounds, in the meanwhile, the polyurethane porous membrane layer has good air permeability, so that the absorbed exudate can quickly pass through to be volatilized, and the integral moisture absorption performance of the medical dressing can be improved.
Description
Technical field
This utility model relates to medical dressing field, relates in particular to the dressing of a kind of waterproof ventilating type polyurethane foam.
Background technology
Medical dressing is the important medical products of a class.Medical dressing often is used to perform the operation, change dressings etc. and applies the wound patient in the therapeutic process, plays the effect of hemostasis and protection wound, thereby makes wound healing.Concrete; medical dressing covers on the compromised skin wound surface; so that skin is before rebuilding or recovering; provide a favourable microenvironment by medical dressing for wound healing; on the one hand wound surface is isolated from the outside, for the protection of wound surface; dressing has imbibition ability on the other hand, can draw the liquid that wound surface oozes out, and prevents the variety of issue that causes because of liquid body exudate.
Along with the high speed development of modern science and technology, the research of medical dressing field makes great progress, and beyond traditional cotton class dressing, other Medical dressings also grow up gradually, and the dressing of polyurethane foam class is one of them.The polyurethane flexible foam body has abundant loose structure; therefore has extremely strong hygroscopicity; and the polyurethane flexible foam body has the good physical properties such as elasticity height, Compressive Performance be good; there are good protection and cushioning effect in the position that can apply ointment or plaster and be difficult to cover at some human bodies to the skin of wound and wound perimeter.When adopting this class dressing, generally can pass through again the further fixedly dressing such as adhesive tape, gauze after sticking on the polyurethane flexible foam body on the wound, and adhesive tape or gauze etc. at waterproof and breathable, prevent that from still there is certain potential deficiency in the aspect such as side leakage.
The utility model content
The application's purpose be to provide a kind of for transudate seriously or comparatively serious wound and waterproof ventilating type polyurethane foam dressing with better result of use.
For achieving the above object, adopted following technical scheme among the application:
The application discloses the dressing of a kind of waterproof ventilating type polyurethane foam, this polyurethane foam dressing comprises polyurethane flexible foam body, glue-line and Polyurethane Porous Membranes layer, wherein, polyurethane flexible foam body, glue-line and Polyurethane Porous Membranes layer are cascading, and the area of this polyurethane flexible foam body is less than glue-line and Polyurethane Porous Membranes layer.
In the dressing of above-mentioned waterproof ventilating type polyurethane foam, the polyurethane flexible foam external surface also is provided with release paper or mould release membrance, thereby the edge of release paper or mould release membrance and glue-line edge fit and coat above-mentioned polyurethane flexible foam body.
In a kind of specific embodiment of the application, above-mentioned glue-line is layer of silica gel.
In a kind of specific embodiment of the application, the edge thickness of above-mentioned polyurethane flexible foam body is less than the centre.
Concrete, the mind-set edge direction is successively decreased gradually in the edge thickness edge of above-mentioned polyurethane flexible foam body.
Further, above-mentioned polyurethane flexible foam body is square fillet.
The application's beneficial effect is the medical dressing that adopts polyurethane flexible foam body, glue-line and Polyurethane Porous Membranes layer to consist of; has good biocompatibility; its polyurethane flexible foam body has abundant loose structure; has extremely strong hygroscopicity; and have the good physical properties such as elasticity height, Compressive Performance be good, the skin of wound and wound perimeter is had good protection and cushioning effect.And the Polyurethane Porous Membranes layer can directly be fixed on this dressing on the wound in use by glue-line, and wound closure is very convenient during use.Polyurethane Porous Membranes has waterproof, ventilative on the one hand, the characteristic of resistance bacterium, can stop water, antibacterial and microorganism in the environment to enter into wound, the Polyurethane Porous Membranes layer has good permeability on the other hand, the sepage of absorption is seen through and volatilization fast, be conducive to improve the whole moisture pick-up properties of this medical dressing, can further prevent side leakage.
Description of drawings
Fig. 1 is the structural representation of a kind of waterproof ventilating type polyurethane foam dressing in the application's the specific embodiment.
The specific embodiment
Also by reference to the accompanying drawings the application is described in further detail below by specific embodiment.Below explanation should not be construed as the restriction to the application.
Please refer to Fig. 1, the structural representation of a kind of waterproof ventilating type polyurethane foam dressing that Fig. 1 provides for the application, it is specifically by release paper 4, polyurethane flexible foam body 1, and glue-line 2 and Polyurethane Porous Membranes layer 3 are cascading.The area of polyurethane flexible foam body 1 is less than glue-line 2, Polyurethane Porous Membranes layer 3 and release paper 4.
During use, can tear release paper 4 off, polyurethane flexible foam body 1 be aimed at the wound surface position apply.By glue-line 2 that dressing is whole fixing, very convenient during use.
Polyurethane flexible foam body 1 directly overlays on the wound when using.Wound fluid is absorbed in the microcellular structure that enters the polyurethane flexible foam body, then through capillary tension to external diffusion, volatilize at last in the entered environment, this moisture absorption mechanism has enlarged the ability of unit are dressing from wound surface eliminating liquid, makes it have long service life.Because its polyurethane flexible foam body has above-mentioned good transudate disposal ability, and wettability power is extremely strong, can reduce the replacing number of times, shorten wound healing time, alleviate simultaneously the patient suffering.On the other hand, because the polyurethane flexible foam body has good physical property, for example flexibility and elasticity, its flexibility can make its wound surface of well applying ointment or plaster, and reduces sense of discomfort and the pain of wound.And the high resiliency that it has, the various positions that are difficult to cover on human body so that it is convenient to apply ointment or plaster.On the whole, the Compressive Performance that the polyurethane flexible foam body is good can reduce the impact of wound on orthobiosis effectively.The thickness of polyurethane flexible foam body, size and shape, those skilled in the art can design according to concrete practical situation.
In the polyurethane foam dressing in this application, Polyurethane Porous Membranes layer 3, glue-line 2, polyurethane flexible foam body 1 are cascading, and Polyurethane Porous Membranes layer 3 is with the skin formation sealing of glue-line 2 with wound and wound circumference.The loose and porous inner surface of Polyurethane Porous Membranes, separate between the Kong Yukong, its structure also has better air permeable effect when making it have the fungi-proofing effect of waterproof and breathable, can stop water, antibacterial and microorganism in the environment to enter into wound on the one hand, further prevent on the other hand side leakage, be conducive to improve the whole moisture pick-up properties of this dressing.Simultaneously, the Polyurethane Porous Membranes layer has good mechanical performance, is conducive to improve the serviceability of dressing.
In this example, the glue-line 2 concrete layer of silica gel that adopt.Silica gel is nonirritant with contact skin the time, and good with the adsorption effect of skin, and sense of discomfort is little when removing from skin.Those skilled in the art also can select other applicable glue line material after having grasped above-mentioned central principle, layer of silica gel does not consist of the restriction to the application.Release paper 4 covers the one side of polyurethane flexible foam body 1 and fits with the glue-line edge, can play the effect of protection polyurethane flexible foam body 1 and glue-line 2 before this polyurethane foam dressing uses.
As shown in Figure 1, the edge thickness of the polyurethane flexible foam body 1 in this example is less than the centre, and is concrete, and the mind-set edge direction is successively decreased gradually in the edge thickness edge of polyurethane flexible foam body 1.The purpose of design is like this, and is actual when using this dressing, and behind polyurethane flexible foam body 1 and the adhesive bandage, glue-line 2 further fits tightly with the skin of wound circumference, and dressing integral body is fixed on the wound.Because the polyurethane flexible foam body has certain thickness, when glue-line and skin attachement, easy thickness because of the polyurethane flexible foam body is so that the edge of glue-line and polyurethane flexible foam body forms a untight space.The thickness of polyurethane flexible foam body is depended in the formation in this space, and its thickness is larger, and the space of formation is larger, and this space may provide latent space for the breeding of antibacterial etc., thereby has affected the healing of wound surface.Therefore, the mind-set edge direction is successively decreased the edge thickness of polyurethane flexible foam body gradually in the edge, can so that the thickness of polyurethane flexible foam body 1 present sloping shape in edge, make its edge better and the perfect applying of glue-line, and can not produce the space of being caused by difference in height.In addition, the polyurethane flexible foam body 1 preferred square fillet in this example, this fillet structure make it more docile when fitting.
Above-described embodiment is giving an example of the application, although disclose for the purpose of illustration the application's most preferred embodiment and accompanying drawing, but it will be appreciated by those skilled in the art that: in the spirit and scope that do not break away from the application and appended claim, various replacements, variation and modification all are possible.Therefore, the application should not be limited to most preferred embodiment and the disclosed content of accompanying drawing.
Claims (6)
1. waterproof ventilating type polyurethane foam dressing is characterized in that, described polyurethane foam dressing comprises polyurethane flexible foam body, glue-line and Polyurethane Porous Membranes layer, and described polyurethane flexible foam body, glue-line and Polyurethane Porous Membranes layer are cascading; The area of described polyurethane flexible foam body is less than described glue-line and Polyurethane Porous Membranes layer.
2. waterproof ventilating type polyurethane foam according to claim 1 dressing, it is characterized in that, described polyurethane flexible foam external surface also is provided with release paper or mould release membrance, thereby the edge of described release paper or mould release membrance and described glue-line edge fit and coat described polyurethane flexible foam body.
3. waterproof ventilating type polyurethane foam according to claim 1 dressing is characterized in that, described glue-line is layer of silica gel.
4. waterproof ventilating type polyurethane foam according to claim 1 dressing is characterized in that the edge thickness of described polyurethane flexible foam body is less than the centre.
5. waterproof ventilating type polyurethane foam according to claim 4 dressing is characterized in that, the mind-set edge direction is successively decreased gradually in the edge thickness edge of described polyurethane flexible foam body.
6. the dressing of the described waterproof ventilating type polyurethane foam of any one is characterized in that according to claim 1-5, and described polyurethane flexible foam body is square fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220270535 CN202682162U (en) | 2012-06-08 | 2012-06-08 | Waterproof breathable polyurethane foam dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220270535 CN202682162U (en) | 2012-06-08 | 2012-06-08 | Waterproof breathable polyurethane foam dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202682162U true CN202682162U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220270535 Expired - Lifetime CN202682162U (en) | 2012-06-08 | 2012-06-08 | Waterproof breathable polyurethane foam dressing |
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| Country | Link |
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| CN (1) | CN202682162U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105816272A (en) * | 2015-01-05 | 2016-08-03 | 陕西远光高科技有限公司 | Medical functional foam dressing material |
| CN106581835A (en) * | 2015-10-14 | 2017-04-26 | 泰升国际科技股份有限公司 | Decompression pad for preventing pressure sores |
| CN108969817A (en) * | 2018-09-11 | 2018-12-11 | 南京市第医院 | A kind of solid-liquid collection device for after Minimally Invasive Surgery |
| CN110151396A (en) * | 2019-05-28 | 2019-08-23 | 杭州美灵达科技有限公司 | A kind of medical elastic adhesive tape with dressing |
| CN111631861A (en) * | 2020-06-17 | 2020-09-08 | 扬州百思泰医疗科技有限公司 | Silica gel remaining needle paste |
| CN112622392A (en) * | 2019-09-20 | 2021-04-09 | 美瑞新材料股份有限公司 | Thermoplastic polyurethane foam product with surface coating and preparation method thereof |
-
2012
- 2012-06-08 CN CN 201220270535 patent/CN202682162U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105816272A (en) * | 2015-01-05 | 2016-08-03 | 陕西远光高科技有限公司 | Medical functional foam dressing material |
| CN105816272B (en) * | 2015-01-05 | 2019-02-15 | 陕西远光高科技有限公司 | A kind of medicinal functional foam dressing materials |
| CN106581835A (en) * | 2015-10-14 | 2017-04-26 | 泰升国际科技股份有限公司 | Decompression pad for preventing pressure sores |
| CN108969817A (en) * | 2018-09-11 | 2018-12-11 | 南京市第医院 | A kind of solid-liquid collection device for after Minimally Invasive Surgery |
| CN110151396A (en) * | 2019-05-28 | 2019-08-23 | 杭州美灵达科技有限公司 | A kind of medical elastic adhesive tape with dressing |
| CN112622392A (en) * | 2019-09-20 | 2021-04-09 | 美瑞新材料股份有限公司 | Thermoplastic polyurethane foam product with surface coating and preparation method thereof |
| CN111631861A (en) * | 2020-06-17 | 2020-09-08 | 扬州百思泰医疗科技有限公司 | Silica gel remaining needle paste |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WINNER MEDICAL CO., LTD. Free format text: FORMER NAME: WENJIAN INDUSTRY (SHENZHEN) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Longhua Town, Guangdong city of Shenzhen province Bulong highway 518109 near the sound industrial park Patentee after: Sane medical supplies limited company Address before: Longhua Town, Guangdong city of Shenzhen province Bulong highway 518109 near the sound industrial park Patentee before: Winner Industries (Shenzhen) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |