CN204890358U - Dressing of high absorbency foam of antibiotic type of slowly -releasing - Google Patents
Dressing of high absorbency foam of antibiotic type of slowly -releasing Download PDFInfo
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- CN204890358U CN204890358U CN201520642777.8U CN201520642777U CN204890358U CN 204890358 U CN204890358 U CN 204890358U CN 201520642777 U CN201520642777 U CN 201520642777U CN 204890358 U CN204890358 U CN 204890358U
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- froth bed
- high liquid
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Abstract
The utility model relates to a dressing of high absorbency foam of antibiotic type of slowly -releasing belongs to the medical dressing field. Constitute by back sheet, foam blanket, antibiotic layer and protective layer to closely arrange in proper order, antibiotic layer be the composite bed of silvered film and polyethylene film layer component, antibiotic layer is provided with the through -hole. The utility model provides an antibiotic layer not only has lasting stable antibiotic effect, just with the compound back of foam blanket, can avoid wound sepage backward flow flooding skin, and the while can not the adhesion wound. In addition, biologically -active substance in the foam blanket, easy degradation is absorbed by the surface of a wound, healing that can effectual promotion wound, this layer has high absorbency, hemostatic simultaneously.
Description
Technical field
This utility model belongs to medical dressing field, in particular to a kind of sustained-release antibacterial type high liquid-absorbing foam dressing.
Background technology
Foam dressing, as a kind of new pattern compress, has the advantages such as imbibition ability is good, lock outlet capacity is strong, is widely used in the treatment of various acute and chronic wound surface with nursing.A large amount of sepages is often flowed out at the wound surface place of wound or Post operation, major part dressing imbibition ability is not strong, or when transudate is too much, sepage is easily extruded, the healthy skin tissue of dipping wound circumference, causes a lot of inconvenience to clinical treatment and postoperative care.The shortcomings such as the foam dressing ubiquity antibacterial effect occurred in the market is poor, healing cycle is long, haemostatic effect is undesirable, easy adhesion.
And some antimicrobial products in the market, major part is chitosan series products or silver ion series products.Chitosan has certain antibacterial ability, but its antibacterial ability is limited, and larger by the impact of environment pH, often can not kill obstinate bacteria.Silver ion series products major part be by flood or the mode of spraying at matrix surface or inner carry silver, the silver that the method not only needs is many, and it is unstable to carry silver, oxidizable, come off, make the silver ion in product not reach the effect of slow release, there is certain potential safety hazard in use procedure.
Existing disclosed a kind of functional type polyurethane foam, it is made up of polyurethane flexible foam layer, auxiliary layer, thin polyurethane rete, and auxiliary layer comprises antibiotic layer or medicine layer, and auxiliary layer is by spray or prepared by the mode sprayed.This dressing, by spray or the mode sprayed prepares auxiliary layer, while foams absorb sepage fast, easily causes antibacterial or medicine moment to discharge in a large number, greatly reduces antibacterial functions and other function of product.This dressing does not have sealing coat on the surface of foam dressing, and when foam dressing receives ambient pressure, easily backflow out floods wound and surrounding normal skin; Do not have isolating membrane, foams are directly easy to and wound surface adhesion with Wound contact, easily cause secondary injury when stripping; This dressing does not have adhesive to be unfavorable for the fixing of dressing.Also there is part dressing employing directly to carry out on dressing base material silver-plated, obtain medical anti-microbial silver-plated dressing, there is the haemostatic effect affecting dressing layer like this, and cause the problem of the liquid absorption deficiency of dressing layer.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of sustained-release antibacterial type high liquid-absorbing foam dressing is provided, it can not only promote the healing of wound, there is effect that is antibacterial, adhesion of stopping blooding, prevent simultaneously, can also absorb and a large amount of organize sepage, when being subject to external force extruding, sepage is not easily extruded.
The technical solution of the utility model is as follows:
A kind of sustained-release antibacterial type high liquid-absorbing foam dressing is made up of backing layer, froth bed, antibiotic layer and protective layer, and close-packed arrays successively; Described antibiotic layer is the composite bed that silver coating and film layer form, and described antibiotic layer is provided with through hole.Antibiotic layer not only has the antibacterial effect of lasting stability, and with froth bed compound after, wound exudate can be avoided to reflux dipping skin, simultaneously can not adhesion wound.And the through hole that antibiotic layer is arranged, being conducive to froth bed normally plays imbibition effect on the one hand, and the functional component be conducive in froth bed discharges on the other hand, plays hemostasis, promotes the effect of wound healing.
Further, the silver coating in described antibiotic layer is formed on polyethylene film layer surface by Vacuum Deposition mode.Antibiotic layer is the composite bed that silver coating and film layer form, and this antibiotic layer is not only not easily oxidized, and it is stable to carry silver, difficult drop-off, lasting stability can play antibacterial action.
Further, described froth bed is mixed with by medical kaolinite, chitosan and alginate and forms.Kaolinite in froth bed has very strong imbibition ability, greatly can increase the liquid absorption of foam dressing, and meanwhile, the alginate in froth bed and chitosan belong to functional medical material, has hemostasis, promotes the functions such as the healing of wound.Froth bed is bioactive substance, and easily degraded is absorbed by wound surface, effectively can promote the healing of wound, and this layer has high liquid-absorbing, hemostatic simultaneously.
Preferably, the overall dimensions of described froth bed is identical with the overall dimensions of antibiotic layer.
Further, described backing layer surface area is greater than froth bed surface area.Froth bed can cover by backing layer completely.
Further, described backing layer is Non-woven tape, the one side that described backing layer contacts with froth bed and be not coated with medical pressure-sensitive adhesive by the part that froth bed covers.The medical pressure-sensitive adhesive of this part coating can make dressing when not well being fixed on wound by when foreign object, and backing layer has moisture-penetrable ventilated property, sepage is allowed to evaporate through this layer, provide moistening healing environment to wound surface, promote the healing of wound further.
Further, described protective layer covers above antibiotic layer, and extends, until cover backing layer completely to surrounding.Protective layer being prolonged life to backing layer surrounding is to protect the medical pressure-sensitive adhesive that backing layer applies.
Preferably, described protective layer is release paper.
Further, described froth bed and antibiotic layer by heat and mode carry out compound.
The beneficial effects of the utility model are: (1) antibiotic layer is that silver coating and film layer form, this antibiotic layer antibiotic substance is not easily oxidized, more stable, can the performance antibacterial action of lasting stability, and after antibiotic layer and froth bed compound, wound exudate can be avoided to reflux dipping skin, simultaneously can not adhesion wound; (2) kaolinite in froth bed has very strong imbibition ability, greatly can increase the liquid absorption of foam dressing, and meanwhile, the alginate in froth bed and chitosan belong to functional medical material, has hemostasis, promotes the functions such as the healing of wound; (3) antibiotic layer is provided with through hole, and being conducive to froth bed normally plays imbibition effect on the one hand, and the functional component be conducive in froth bed discharges on the other hand, plays hemostasis, promotes the effect of wound healing; (4) being prolonged by protective layer raw is medical pressure-sensitive adhesive in order to protect backing layer edge coating to backing layer surrounding, makes medical pressure-sensitive adhesive keep original shoes; (5) backing layer non-woven fabrics has very strong moisture-penetrable ventilated property, and the sepage of organizing that froth bed absorbs easily is evaporated through this layer, provides moistening healing environment to wound surface, promotes the healing of wound further.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of sustained-release antibacterial type of this utility model high liquid-absorbing foam dressing;
Fig. 2 is the structural representation after a kind of sustained-release antibacterial type of this utility model high liquid-absorbing foam dressing opens protective layer.
Description of reference numerals: 1, backing layer; 2, froth bed; 3, antibiotic layer; 4, protective layer; 5, through hole.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment, this utility model is further elaborated.Should be appreciated that specific embodiments and the drawings described herein only in order to explain this utility model, and be not used in restriction this utility model.
Embodiment 1:
A kind of sustained-release antibacterial type of this utility model high liquid-absorbing foam dressing is as Fig. 1; shown in Fig. 2; be made up of backing layer 1, froth bed 2, antibiotic layer 3 and protective layer 4; and close-packed arrays successively; described antibiotic layer 3 is the composite bed that silver coating and film layer form, and the silver coating in described antibiotic layer 3 is formed on polyethylene film layer surface by Vacuum Deposition mode.By silver coating prepared by silver plating process, can be good at the surface being fixed on polyethylene film layer, the antibiotic substance on antibiotic layer 3 is more stable, not easily oxidized, can the performance antibacterial action of lasting stability.Described antibiotic layer 3 is provided with through hole 5.Described froth bed 2 is mixed with by medical kaolinite, chitosan and alginate and forms.Described froth bed 2 and antibiotic layer 3 by heat and mode carry out compound.Described protective layer 4 is release paper.Described backing layer 1 is Non-woven tape.
The overall dimensions of described froth bed 2 is identical with the overall dimensions of antibiotic layer 3.Described backing layer 1 surface area is greater than froth bed 2 surface area, and froth bed 2 can cover by backing layer 1 completely.The one side that described backing layer 1 contacts with froth bed 2 and be not coated with medical pressure-sensitive adhesive by the part that froth bed 2 covers.Described protective layer 4 covers above antibiotic layer 3, and extends to surrounding, until cover backing layer 1 completely.
During use, open protective layer 4, antibiotic layer 3 is aimed at wound surface, utilize the sepage of froth bed 2 pairs of wounds to absorb, and utilize antibiotic layer 3 to play durable antibiotic effect, moistening healing environment is provided, prevent foam dressing adhesion wound.When wound exudate is subject to external force extruding outflow, antibiotic layer 3 can prevent its dipping wound and skin.While froth bed 2 plays powerful sepage absorption function, the functional materials in froth bed 2 can ooze out from the through hole 5 of antibiotic layer 3, plays hemostasis, promotes the effect of wound healing.Dressing is pasted onto on skin by the medical pressure-sensitive adhesive utilizing backing layer 1 to apply, for fixing dressing not landing.
The present embodiment accompanying drawing only provides dressing profile to be oval situation, certainly, and the overall dimensions square, circle, H type or more of dressing on this basis.Can according to the shape of wound or wound type, selectivity uses dressing.
Claims (8)
1. a sustained-release antibacterial type high liquid-absorbing foam dressing, is characterized in that, is made up of backing layer, froth bed, antibiotic layer and protective layer, and close-packed arrays successively; Described antibiotic layer is the composite bed that silver coating and film layer form, and described antibiotic layer is provided with through hole.
2. a kind of sustained-release antibacterial type high liquid-absorbing foam dressing according to claim 1, is characterized in that, the silver coating in described antibiotic layer is formed on polyethylene film layer surface by Vacuum Deposition mode.
3. a kind of sustained-release antibacterial type high liquid-absorbing foam dressing according to claim 1, it is characterized in that, the overall dimensions of described froth bed is identical with the overall dimensions of antibiotic layer.
4. a kind of sustained-release antibacterial type high liquid-absorbing foam dressing according to claim 3, it is characterized in that, the surface area of described backing layer is greater than froth bed surface area.
5. a kind of sustained-release antibacterial type high liquid-absorbing foam dressing according to claim 4, it is characterized in that, described backing layer is Non-woven tape, the one side that described backing layer contacts with froth bed and be not coated with medical pressure-sensitive adhesive by the part that froth bed covers.
6. a kind of sustained-release antibacterial type high liquid-absorbing foam dressing according to claim 5, it is characterized in that, described protective layer covers above antibiotic layer, and extends, until cover backing layer completely to surrounding.
7. a kind of sustained-release antibacterial type high liquid-absorbing foam dressing according to claim 1, it is characterized in that, described protective layer is release paper.
8. a kind of sustained-release antibacterial type high liquid-absorbing foam dressing according to any one of claim 1-7, is characterized in that, described froth bed and antibiotic layer by heat and mode carry out compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642777.8U CN204890358U (en) | 2015-08-25 | 2015-08-25 | Dressing of high absorbency foam of antibiotic type of slowly -releasing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642777.8U CN204890358U (en) | 2015-08-25 | 2015-08-25 | Dressing of high absorbency foam of antibiotic type of slowly -releasing |
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| Publication Number | Publication Date |
|---|---|
| CN204890358U true CN204890358U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520642777.8U Expired - Fee Related CN204890358U (en) | 2015-08-25 | 2015-08-25 | Dressing of high absorbency foam of antibiotic type of slowly -releasing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204890358U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597138A (en) * | 2016-02-25 | 2016-05-25 | 天津泰创生物科技有限公司 | Ozonide oil blasting bead and use method and dressing plaster |
| CN109289078A (en) * | 2018-11-02 | 2019-02-01 | 广东药科大学 | A kind of long-acting bacteriostatic adhesive bandage |
| CN109381733A (en) * | 2017-08-04 | 2019-02-26 | 天津工业大学 | A kind of controllable kaolin of surface roughness/Calcium alginate film hemostatic and antibacterial dressing preparation method |
| CN111068097A (en) * | 2020-01-08 | 2020-04-28 | 河南亚都实业有限公司 | Sterilizing and anti-inflammatory wound repair dressing and preparation method thereof |
| CN112494707A (en) * | 2020-10-30 | 2021-03-16 | 华熙生物科技股份有限公司 | Wound hemostasis repair product based on hyaluronic acid and preparation method thereof |
| CN114515225A (en) * | 2020-11-18 | 2022-05-20 | 正美企业股份有限公司 | Wound dressing |
| CN115300660A (en) * | 2022-08-04 | 2022-11-08 | 惠州华阳医疗器械有限公司 | Antibacterial dressing and preparation method thereof |
| WO2023198086A1 (en) * | 2022-04-15 | 2023-10-19 | 国科瑞诺(中山)生物科技有限公司 | Antibacterial healing-promoting functionalized dressing and preparation method therefor |
-
2015
- 2015-08-25 CN CN201520642777.8U patent/CN204890358U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597138A (en) * | 2016-02-25 | 2016-05-25 | 天津泰创生物科技有限公司 | Ozonide oil blasting bead and use method and dressing plaster |
| CN109381733A (en) * | 2017-08-04 | 2019-02-26 | 天津工业大学 | A kind of controllable kaolin of surface roughness/Calcium alginate film hemostatic and antibacterial dressing preparation method |
| CN109289078A (en) * | 2018-11-02 | 2019-02-01 | 广东药科大学 | A kind of long-acting bacteriostatic adhesive bandage |
| CN111068097A (en) * | 2020-01-08 | 2020-04-28 | 河南亚都实业有限公司 | Sterilizing and anti-inflammatory wound repair dressing and preparation method thereof |
| CN111068097B (en) * | 2020-01-08 | 2021-12-07 | 优锐医药科技(上海)有限公司 | Sterilizing and anti-inflammatory wound repair dressing and preparation method thereof |
| CN112494707A (en) * | 2020-10-30 | 2021-03-16 | 华熙生物科技股份有限公司 | Wound hemostasis repair product based on hyaluronic acid and preparation method thereof |
| CN112494707B (en) * | 2020-10-30 | 2022-05-27 | 华熙生物科技股份有限公司 | Wound hemostasis repair product based on hyaluronic acid and preparation method thereof |
| CN114515225A (en) * | 2020-11-18 | 2022-05-20 | 正美企业股份有限公司 | Wound dressing |
| CN114515225B (en) * | 2020-11-18 | 2022-11-15 | 正美企业股份有限公司 | Wound dressing |
| WO2023198086A1 (en) * | 2022-04-15 | 2023-10-19 | 国科瑞诺(中山)生物科技有限公司 | Antibacterial healing-promoting functionalized dressing and preparation method therefor |
| CN115300660A (en) * | 2022-08-04 | 2022-11-08 | 惠州华阳医疗器械有限公司 | Antibacterial dressing and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |