CN202605118U - Waterproof bacteria-blocking hydrocolloid dressings - Google Patents
Waterproof bacteria-blocking hydrocolloid dressings Download PDFInfo
- Publication number
- CN202605118U CN202605118U CN 201220157245 CN201220157245U CN202605118U CN 202605118 U CN202605118 U CN 202605118U CN 201220157245 CN201220157245 CN 201220157245 CN 201220157245 U CN201220157245 U CN 201220157245U CN 202605118 U CN202605118 U CN 202605118U
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- China
- Prior art keywords
- hydrocolloid
- water resistance
- basic unit
- resistance bacterium
- thin polyurethane
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Abstract
The utility model provides waterproof bacteria-blocking hydrocolloid dressings, which comprise a hydrocolloid base layer and a polyurethane film layer, wherein, the polyurethane film layer is tightly glued to one side of the hydrocolloid base layer; and the hydrocolloid base layer is formed by water-soluble high-molecular substance particles and rubber viscous material in a mixed manner. The utility model also provides adhesion side-type waterproof bacteria-blocking hydrocolloid dressings, which comprise the hydrocolloid base layer, a first polyurethane film layer, an adhesive layer, a second polyurethane film layer and a substrate. The hydrocolloid dressings achieve excellent biocompatibility, and the hydrocolloid base layer is in direct contact with a wound surface, so that transudate of a wound can be absorbed effectively, and the waterproof bacteria-blocking hydrocolloid dressings are especially suitable for the wounds with mild or moderate transudate. The hydrocolloid base layer swells to form a layer of moist gel after moisture absorption, a more ideal humidity environment is provided to the healing of the wounds, and better isolating function can be achieved; and the hydrocolloid dressings are characterized by water resistance and bacteria blocking after the polyurethane film layer is added.
Description
Technical field
This utility model relates to medical dressing field, relates in particular to a kind of anti-water resistance bacterium bearing hydrocolloid dressing.
Background technology
Medical dressing is one type of important medical products.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, makes skin before rebuilding or recovering, and is that wound healing provides a favourable microenvironment by medical dressing; On the one hand wound surface is isolated from the outside, is used to protect 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.
Existing medical dressing generally adopts quality such as gauze, Cotton Gossypii soft and have absorptive material and process lamellar or strip.These materials have certain absorption property, make simple low price and reusable, but the absorbability of this type material is comparatively limited, and when such dressing soaked into the back, pathogenic bacteria etc. were prone to pass through.Therefore handling the more wound of transudate, for example during chronic wounds, because above-mentioned deficiency is prone to cause the difficult healing or the potential deterioration of wound.In addition, the medical dressing that said material is processed can't keep wound surface moistening, makes wound healing slower.
The utility model content
It is a kind of to slight or the wound of moderate transudate and the bearing hydrocolloid dressing with anti-water resistance bacterium effect that the purpose of this utility model has been to provide.
For realizing above-mentioned purpose, adopted following technical scheme in this utility model:
The utility model discloses a kind of anti-water resistance bacterium bearing hydrocolloid dressing, this anti-water resistance bacterium bearing hydrocolloid dressing comprises hydrocolloid basic unit and first polyurethane film (PU film) layer, and wherein, the first thin polyurethane rete fits tightly in the one side of hydrocolloid basic unit.
Above-mentioned anti-water resistance bacterium bearing hydrocolloid dressing also can comprise release paper or mould release membrance, and this release paper or mould release membrance cover on the one side that hydrocolloid basic unit do not fit with the said first thin polyurethane rete.
Further; Above-mentioned anti-water resistance bacterium bearing hydrocolloid dressing also comprises glue-line, second thin polyurethane rete and the substrate, and hydrocolloid basic unit, the first thin polyurethane rete, glue-line, the second thin polyurethane rete and substrate are cascading in the anti-water resistance bacterium bearing hydrocolloid dressing.
Above-mentioned substrate can be the PE film.
Above-mentioned glue-line can be layer of silica gel.
The size of above-mentioned glue-line, the second thin polyurethane rete and substrate is greater than the hydrocolloid basic unit and the first thin polyurethane rete.
Concrete, above-mentioned anti-water resistance bacterium bearing hydrocolloid dressing also comprises release paper or mould release membrance, thus the edge of this release paper or mould release membrance and the glue-line edge bonding coating hydrocolloid basic unit and the first thin polyurethane rete.
Above-mentioned hydrocolloid basic unit is shaped as butterfly.
The beneficial effect of this utility model is the medical dressing that adopts hydrocolloid basic unit and thin polyurethane rete to constitute; It has excellent biological compatibility; Its hydrocolloid basic unit directly contacts with wound surface; Because hydrocolloid has higher hygroscopicity, can be specially adapted to the wound of slight or moderate transudate on the one hand effectively for wound absorbs transudate.On the other hand, hydrocolloid basic unit forms the moistening gel of one deck after moisture absorption, and the healing that can be wound provides a comparatively ideal moist environment.Simultaneously, hydrocolloid has viscosity preferably, the height wound closure; Therefore antibacterial had buffer action preferably; After increasing the thin polyurethane rete, this bearing hydrocolloid dressing has had the characteristic of anti-water resistance bacterium, can stop water, antibacterial and microorganism in the environment to enter into wound.
Description of drawings
Fig. 1 is a kind of anti-water resistance bacterium bearing hydrocolloid dressing A in this utility model specific embodiment 1;
Fig. 2 is the anti-water resistance bacterium bearing hydrocolloid dressing B of the sticking limit of a kind of band type in this utility model specific embodiment 2.
The specific embodiment
Below through specific embodiment and combine accompanying drawing that this utility model is done further explain.
Hydrocolloid basic unit is the granule that adopts water-soluble high-molecular substance and process after the rubber cohesive material mixes; Wherein water-soluble high-molecular substance is meant and can be dissolved in water and abundant aquation formation thickness, clammy solution or colloidal polymer substance under certain condition, and these polymer substances have very strong hydrophilic.Hydrocolloid basic unit has combined the stickiness of the water absorbing properties and the elastomeric material of water soluble polymer; Apply ointment or plaster after on the wound; The granule suction back swelling of water soluble polymer forms the moistening gel of one deck, for wound surface provides one deck thermal insulation layer; Make the temperature and the body temperature of wound surface approaching, rubber substrate then makes dressing stick on the wound.Under the protection of hydrocolloid basic unit, the volatilization of the carbon dioxide that body metabolism produces is suppressed, and wound surface forms a slightly acidic environment, helps the healing of wound surface.This hydrocolloid basic unit pick up is high; Can make that the transudate on the wound surface is fully absorbed, the physical protection effect is provided and prevent the bacterial invasion wound for wound surface simultaneously, on the other hand; This hydrocolloid basic unit can take out from wound very easily, and the process of removing almost has no pain.
The one side of hydrocolloid basic unit directly contacts with wound, and another side and thin polyurethane rete fit tightly.In the production, can polyurethane film directly be coated in the one side of hydrocolloid basic unit.Polyurethane film is a kind of thin film with waterproof, fungi-proofing effect, can prevent effectively that liquid and antibacterial from entering into wound.
This bearing hydrocolloid dressing can cut randomly according to the shape of wound, and is easy to use.Those skilled in the art can select the hydrocolloid basic unit and the PU film of suitable size, shape and thickness as the case may be after grasping above-mentioned central principle, its concrete size, shape and thickness do not constitute the qualification to this utility model.In a kind of embodiment of this utility model, can hydrocolloid basic unit be designed to butterfly, this mainly is the special shape design to rumpbone.
Following examples are only further explained this utility model, should not be construed as the restriction to this utility model.
Embodiment 1
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of anti-water resistance bacterium bearing hydrocolloid dressing A in this example, and wherein, 1 is hydrocolloid basic unit, and 2 is the thin polyurethane rete, and 3 is release paper.
Release paper 3 covers on that face that hydrocolloid basic unit 1 do not fit with the thin polyurethane rete, can before this bearing hydrocolloid dressing A uses, play the effect of protection hydrocolloid basic unit 1.
During use, can tear release paper 3 off, the wound surface position aimed at by hydrocolloid basic unit 1 apply.Be further fixedly bearing hydrocolloid dressing, also can use further fixedly bearing hydrocolloid dressing A such as other tape assisted.Release paper 3 also can adopt the mould release membrance replacement.To hydrocolloid protection is provided before its role is to use.
Embodiment 2
Please refer to Fig. 2, Fig. 2 is a kind of structural representation with the anti-water resistance bacterium bearing hydrocolloid dressing B of sticking limit type in this example, wherein; 26 is release paper, and 21 is hydrocolloid basic unit, and 22 is the first thin polyurethane rete; 23 is layer of silica gel, and 24 is the second thin polyurethane rete, and 25 is the PE film.Wherein, each several part such as figure are cascading, and wherein, the first thin polyurethane rete 22 links to each other with the second thin polyurethane rete 24 through layer of silica gel 23, and the second thin polyurethane rete 24 is attached on the PE film.What specify is, Fig. 2 is merely the easy structural representation of this bearing hydrocolloid dressing B, and in practical situation, the edge of the edge of release paper 26 and layer of silica gel 23 is bonding, thus the coating hydrocolloid basic unit 21 and the first thin polyurethane rete 22.
As shown in Figure 2, in this example, the size of the hydrocolloid basic unit 21 and the first thin polyurethane rete 22 is less than layer of silica gel 23, the second thin polyurethane rete 24, PE film 25 and release paper 26.During use; Tear release paper 26 off; When being fitted in hydrocolloid basic unit 21 on the wound surface, layer of silica gel 23 also can be fitted on the skin of hydrocolloid basic unit 1 coverage outer rim, and promptly this dressing B is the anti-water resistance bacterium bearing hydrocolloid dressing of the sticking limit of band type; The sticking limit that layer of silica gel 23 provides helps better fixedly bearing hydrocolloid dressing B, cooperates the second thin polyurethane rete 24 can better prevent entering wounds such as sealing, antibacterial and can better prevent the side leakage of transudate.
In this bearing hydrocolloid dressing B, layer of silica gel mainly is to consider silica gel nonirritant with contact skin the time as a kind of selection of this routine mesoglea, and good with the adsorption effect of skin, and is little in sense of discomfort when skin removes.Those skilled in the art also can select other glue-line material that is suitable for after having grasped above-mentioned central principle, layer of silica gel does not constitute the qualification to this utility model.
The foregoing description is giving an example of this utility model; Although disclose the most preferred embodiment and the accompanying drawing of this utility model for the purpose of illustration; But it will be appreciated by those skilled in the art that: in the spirit and scope that do not break away from this utility model and appended claim, various replacements, variation and modification all are possible.Therefore, this utility model should not be limited to most preferred embodiment and the disclosed content of accompanying drawing.
Claims (8)
1. an anti-water resistance bacterium bearing hydrocolloid dressing is characterized in that, said anti-water resistance bacterium bearing hydrocolloid dressing comprises the hydrocolloid basic unit and the first thin polyurethane rete, and the said first thin polyurethane rete fits tightly in the one side of said hydrocolloid basic unit.
2. anti-water resistance bacterium bearing hydrocolloid dressing according to claim 1; It is characterized in that; Said anti-water resistance bacterium bearing hydrocolloid dressing also comprises release paper or mould release membrance, and said release paper or mould release membrance cover on the one side that said hydrocolloid basic unit do not fit with the said first thin polyurethane rete.
3. anti-water resistance bacterium bearing hydrocolloid dressing according to claim 1; It is characterized in that; Anti-water resistance bacterium bearing hydrocolloid dressing also comprises glue-line, second thin polyurethane rete and the substrate, and said hydrocolloid basic unit, the first thin polyurethane rete, glue-line, the second thin polyurethane rete and substrate are cascading.
4. anti-water resistance bacterium bearing hydrocolloid dressing according to claim 3 is characterized in that said substrate is the PE film.
5. anti-water resistance bacterium bearing hydrocolloid dressing according to claim 3 is characterized in that said glue-line is a layer of silica gel.
6. anti-water resistance bacterium bearing hydrocolloid dressing according to claim 3 is characterized in that the size of said glue-line, the second thin polyurethane rete and substrate is greater than the said hydrocolloid basic unit and the first thin polyurethane rete.
7. anti-water resistance bacterium bearing hydrocolloid dressing according to claim 6; It is characterized in that; Said anti-water resistance bacterium bearing hydrocolloid dressing also comprises release paper or mould release membrance, thus the edge of said release paper or mould release membrance and the glue-line edge bonding coating hydrocolloid basic unit and the first thin polyurethane rete.
8. according to claim 6 or 7 described anti-water resistance bacterium bearing hydrocolloid dressings, it is characterized in that said hydrocolloid basic unit is shaped as butterfly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220157245 CN202605118U (en) | 2012-04-13 | 2012-04-13 | Waterproof bacteria-blocking hydrocolloid dressings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220157245 CN202605118U (en) | 2012-04-13 | 2012-04-13 | Waterproof bacteria-blocking hydrocolloid dressings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202605118U true CN202605118U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220157245 Expired - Lifetime CN202605118U (en) | 2012-04-13 | 2012-04-13 | Waterproof bacteria-blocking hydrocolloid dressings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202605118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362195A (en) * | 2016-11-28 | 2017-02-01 | 河南汇博医疗股份有限公司 | Silver-carrying antibacterial hydrocolloid dressing and preparation method thereof |
| CN108014364A (en) * | 2018-02-07 | 2018-05-11 | 苏州元禾医疗器械有限公司 | A kind of preparation method of absorbable hemostasia dressing |
-
2012
- 2012-04-13 CN CN 201220157245 patent/CN202605118U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362195A (en) * | 2016-11-28 | 2017-02-01 | 河南汇博医疗股份有限公司 | Silver-carrying antibacterial hydrocolloid dressing and preparation method thereof |
| CN108014364A (en) * | 2018-02-07 | 2018-05-11 | 苏州元禾医疗器械有限公司 | A kind of preparation method of absorbable hemostasia dressing |
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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: 20121219 |