CN201453512U - Medical aquagel incision dressing - Google Patents
Medical aquagel incision dressing Download PDFInfo
- Publication number
- CN201453512U CN201453512U CN2009201329542U CN200920132954U CN201453512U CN 201453512 U CN201453512 U CN 201453512U CN 2009201329542 U CN2009201329542 U CN 2009201329542U CN 200920132954 U CN200920132954 U CN 200920132954U CN 201453512 U CN201453512 U CN 201453512U
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- membrane
- incisions
- aquagel
- pad pasting
- incision
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Abstract
The utility model relates to a medical aquagel incision dressing which mainly comprises a fixed sticking membrane, a polyurethane membrane, an aquagel layer and a parting membrane, wherein one surface of the polyurethane membrane is attached to the fixed sticking membrane, one surface of the aquagel layer is attached to the other surface of the polyurethane membrane, the parting membrane is covered on the other surface of the aquagel layer. The medical aquagel incision dressing provided by the utility model can adopt a transparent membrane, which is convenient for doctors to observe the conditions of incisions, can obstruct bacteria, and provides the wet healing environment for the incisions, shortens the healing period of the incisions, does not adhere with incisions, is simple and convenient for replacement, can help to alleviate pain of the incisions, and is suitable for various operation incisions and various skin scratches caused by injuries. In addition, the sticking fixation of the aquagel and the fixed sticking membrane is realized through the polyurethane membrane, which avoids the infection of incisions caused by additive adhesive.
Description
[technical field]
This utility model relates to a kind of medical dressing, is specifically related to a kind of medical hydrogel incision dressing that is applicable to the skin abrasion that all kinds of operative incisions and various wound cause.
[background technology]
Skin is important multi-functional organ of human body.Skin contacts with external environment, plays the barrier action of protection body, and it mainly is to prevent losing of moisture, electrolyte and plasma protein, resists the antibacterial intrusion, prevents that poisonous substance from entering, and keeps out mechanical injuries, prevents that ultraviolet radiation is to the injury of human body etc.In addition, also have physiologic functions such as sensation, secretion, drainage and thermoregulation.Therefore, be that the skin abrasion that operative incision or various wound cause all should obtain nursing as early as possible, make skin recovery organization and function, incision dressing plays an important role in this respect.
Ideal incision dressing should possess following characteristics: 1. cover and the protection otch; 2. stronger water absorption is arranged, can absorb the transudate of otch; Not with the otch adhesion, can not cause secondary damage; 4. soft comfortable, can alleviate incision pain; 5. can prevent infection of incisional wound.
The incision dressing that uses in now clinical mainly is a gauze, and its raw material sources mainly are Cotton Gossypiis, and such dressing only can play and cover and the effect of protection otch, and can cause pain and secondary damage by the adhesion wound when changing.Adhesive-bonded fabric dressing is the succedaneum of gauze dressing, but its water absorption is poor, and does not have antibiotic analgesic effect.The utility models such as Sun Zhaoli of Norman Bethune Medical University, Changchun, Jilin Province a kind of medical high molecular medicine dressing that is used for the medical surgery otch, this dressing is the carrier of adjuvant with high-molecular polyivnyl alcohol formal porous material, with physics mode in conjunction with antibiotic and analgesic drug product, utilize subsidiary adhesive plaster to stick at cut surface, can absorb the otch transudate, the medicine that is loaded with continues local release and infiltration is played sterilization and analgesic effect to otch.Yet, lose the moisture that it absorbed easily after the polyvinyl formal porous material is exposed in the air, thereby allow the hardening of polyvinyl formal porous material, cause patient's discomfort, even wound is caused secondary damage.
[utility model content]
For fear of at least one weak point of above-mentioned dressing, this utility model provides a kind of hydrogel incision dressing that is applicable to the skin abrasion that all kinds of operative incisions and various wound cause.
The medical hydrogel incision dressing that this utility model provides comprises: fixing pad pasting; Polyurethane film, surface thereof is attached on the fixing pad pasting; Hydrogel layer is on surface thereof another surface attached to polyurethane film; And mould release membrance, it covers another surface of hydrogel layer.
According to this utility model one preferred embodiment, fixedly the surface size of pad pasting is greater than the surface size of hydrogel layer.
According to this utility model one preferred embodiment, the surface size of polyurethane film is identical with the surface size of hydrogel layer.
According to this utility model one preferred embodiment, mould release membrance is further attached to the fixing zone that is not covered by hydrogel layer of pad pasting.
According to this utility model one preferred embodiment, the surface size of mould release membrance is identical with the surface size of fixing pad pasting.
According to this utility model one preferred embodiment, fixedly pad pasting is provided with adhesive phase, and polyurethane film and mould release membrance are attached on the adhesive phase.
Incision dressing of the present utility model has permeability similar to normal skin and barrier action, can prevent too much water evaporates and lose, make otch keep suitable humidity, form a kind of microenvironment that helps wound healing, for organizing the newborn good ecological environment of creating, simultaneously can alleviate patient's pain, improving postoperative scar and vesicle forms, alleviate the wound pigmentation, absorption speed is very fast, excellent biological compatibility is arranged, be applicable to the skin abrasion that all kinds of operative incisions and various wound cause.Incision dressing of the present utility model can be transparent membranoid substance, so one of its characteristics are the transparencys, when clinical practice, does not need to open the healing state that dressing can be observed otch, helps clinical observation.In addition, this utility model by polyurethane film realize hydrogel and fixedly the adhesion of pad pasting fix, avoided adding the infection that binding agent causes otch because of use.
[description of drawings]
Fig. 1 is the decomposing schematic representation according to medical hydrogel incision dressing of the present utility model;
Fig. 2 is the cross sectional representation according to medical hydrogel incision dressing of the present utility model.
[specific embodiment]
As depicted in figs. 1 and 2, mainly comprise fixedly pad pasting 11, polyurethane film 12, hydrogel layer 13 and mould release membrance 14 four-layer structures according to medical hydrogel incision dressing 10 of the present utility model.Wherein, a surface attachment of polyurethane film 12 is on fixing pad pasting 11.One surface attachment of hydrogel layer 13 is on another surface of polyurethane film 12.Mould release membrance 14 covers another surface of hydrogel layer 13.In the present embodiment, fixedly the surface size of pad pasting 11 is greater than the surface size of hydrogel layer 13, the surface size of polyurethane film 12 is identical with the surface size of hydrogel layer 13, the surface size of mould release membrance 14 equals the fixedly surface size of pad pasting 11, makes mould release membrance 14 further attached to the fixing zone that is not covered by hydrogel layer 13 of pad pasting 11 thus.Polyurethane film 12 and mould release membrance 14 can be in several ways on the surface attached to fixing pad pasting 11, and for example fixedly pad pasting 11 is provided with adhesive phase, and polyurethane film 12 and mould release membrance 14 are attached on this adhesive phase.
Fixedly pad pasting 11 can be fixed on cut surface, and it can select good air permeability and the good material of mechanical strength for use, and incision dressing 10 can be covered on the otch easily, forms an airtight environment, isolates extraneous antibacterial.The main effect of polyurethane film 12 is with fixedly pad pasting 11 and hydrogel layer 13 be adhesively fixeds.It is directly bonding to find that through a large amount of experimental studies of this utility model people hydrogel layer 13 and adhesive phase are difficult to, but hydrogel layer 13 can carry out excellent bonds with polyurethane film 12.In addition, polyurethane film 12 has avoided binding agent directly to contact with hydrogel layer 13, prevents that binding agent from causing the infection of otch.Hydrogel layer 13 water absorption rate height can reach 370%, can absorb the too much sepage of otch, also can provide moisture content to dry otch, for otch provides the wet union environment, quicken the healing of otch.Hydrogel adhesion otch can help to alleviate incision pain, intercepts antibacterial.Sticking and the property of hydrogel layer 12 and skin is better, and smooth surface can be removed from otch when change dressings more easily, and does not damage remaining epithelium and fresh granulation tissue in the otch, thereby the secondary damage when avoiding change dressings more alleviates the misery that the patient changes dressings.Mould release membrance 14 mainly is to prevent that incision dressing 10 is contaminated before use, and it applies at incision dressing 10 can be from incision dressing 10 sur-face peelings before on the otch.
Fixedly the shape of pad pasting 11, polyurethane film 12, hydrogel 13 and mould release membrance 14 can be shapes such as rectangle, circle, ellipse, but combination in any between each shape.
In the present embodiment, fixedly pad pasting 11 and polyurethane film 12 are preferably transparent, hydrogel layer 13 is to be raw material with PEO (polyethylene glycol oxide) and PVA (polyvinyl alcohol), a kind of new medical hydrogel incision dressing that the process crosslinking with radiation forms, thus, incision dressing 10 can be transparent membranoid substance, does not need to open the healing state that dressing can be observed otch when clinical practice.
This utility model further provides a kind of method for preparing medical hydrogel incision dressing 10.Wherein, with polyvinyl alcohol and polyethylene glycol oxide powder in mass ratio 1: 9-7: 3 ratio is mixed, with mixed-powder and water in mass ratio 1: 9-1: 3 ratio is mixed, and carries out pre-wetted.Pressurizeing under the pressure of 0.05MPa and under 110-112 ℃ the temperature and heating, to form hydrogel solution.Then, hydrogel solution is poured on the surface of polyurethane film 12, utilizes gamma-ray radiation cross-linked hydrogel solution to form hydrogel layer 13.Take out the composite construction of hydrogel layer 13 and polyurethane film 12, cut then.With another surface attachment of polyurethane film 12 on fixing pad pasting 11.In the present embodiment, fixedly pad pasting 11 is provided with adhesive phase, and another surface attachment of polyurethane film 12 is on adhesive phase.Subsequently, utilize mould release membrance 14 to cover hydrogel layer 13.In the present embodiment, fixedly the surface size of pad pasting 11 is greater than the surface size of hydrogel layer 13, thereby mould release membrance 14 is attached to the fixing zone that is not covered by hydrogel layer 13 of pad pasting 11.
In the above-described embodiments, only this utility model has been carried out exemplary description, but those skilled in the art can carry out various modifications to this utility model after reading present patent application under the situation that does not break away from spirit and scope of the present utility model.
Claims (6)
1. medical hydrogel incision dressing, it is characterized in that: described medical hydrogel incision dressing comprises:
Fixing pad pasting;
Polyurethane film, a surface attachment of described polyurethane film is on described fixedly pad pasting;
Hydrogel layer, a surface attachment of described hydrogel layer is on another surface of described polyurethane film; And
Mould release membrance covers another surface of described hydrogel layer.
2. incision dressing according to claim 1 is characterized in that: the surface size of described fixedly pad pasting is greater than the surface size of described hydrogel layer.
3. incision dressing according to claim 2 is characterized in that: the surface size of described polyurethane film is identical with the surface size of described hydrogel layer.
4. incision dressing according to claim 3 is characterized in that: described mould release membrance is further attached to the zone that is not covered by described hydrogel layer of described fixedly pad pasting.
5. incision dressing according to claim 4 is characterized in that: the surface size of described mould release membrance is identical with the surface size of described fixedly pad pasting.
6. according to claim 4 or 5 described incision dressings, it is characterized in that: described fixedly pad pasting is provided with adhesive phase, and described polyurethane film and described mould release membrance are attached on the described adhesive phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201329542U CN201453512U (en) | 2009-06-17 | 2009-06-17 | Medical aquagel incision dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201329542U CN201453512U (en) | 2009-06-17 | 2009-06-17 | Medical aquagel incision dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201453512U true CN201453512U (en) | 2010-05-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201329542U Expired - Lifetime CN201453512U (en) | 2009-06-17 | 2009-06-17 | Medical aquagel incision dressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201453512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398313A (en) * | 2021-06-08 | 2021-09-17 | 上海大学 | Multilayer-structure composite dressing acting on wound surface and preparation method thereof |
-
2009
- 2009-06-17 CN CN2009201329542U patent/CN201453512U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398313A (en) * | 2021-06-08 | 2021-09-17 | 上海大学 | Multilayer-structure composite dressing acting on wound surface and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
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| CX01 | Expiry of patent term |