CN212490397U

CN212490397U - Dressing for infectious wound surface

Info

Publication number: CN212490397U
Application number: CN201922472458.8U
Authority: CN
Inventors: 田超; 周红艳; 曾石岩
Original assignee: Sichuan Cancer Hospital
Current assignee: Sichuan Cancer Hospital
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-02-09
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a dressing for infectious wound surface, which is characterized in that the dressing comprises a contact part and a water absorption part, wherein the contact part is arranged on the water absorption part, the water absorption part is provided with a bonding part, the contact part is used for contacting the wound surface, and the bonding part is used for adhering the skin; the utility model provides a dressing, convenient to use, hydroscopicity are strong, not only can effectively keep the surface of a wound dry, reduce the infection incidence, are favorable to promoting the surface of a wound healing, can avoid moreover taking place the adhesion with the surface of a wound, both can reduce the number of times of changing dressings, improve clinical efficiency, can reduce patient's misery again, are particularly useful for protecting the infectious surface of a wound.

Description

Dressing for infectious wound surface

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a dressing for infectious wound surfaces.

Background

In clinical practice, it is usually necessary to protect the infective wound surface, such as endoscopic incision, mammary incision, etc., so as to prevent wound infection and promote wound healing.

At present, dressing such as sterile gauze or vaseline gauze is generally adopted to protect a wound surface (such as a wound) and the dressing is replaced regularly, however, in the prior art, as exudate generally exists in the wound surface, the wound surface and the dressing are adhered, and the wound surface is damaged again when the dressing is replaced again, so that the dressing change frequency is increased, and the healing time of the wound is prolonged obviously. In addition, in current conventionality changes dressings, use the gauze as main dressing usually simply, the liquid substances such as weeping that the surface of a wound position appears, oozing blood adsorb and stop in gauze department by the gauze easily, the sclerosis that leads to surface of a wound and liquid substance to form can be adhesion together, when changing the dressing, the separation degree of difficulty of dressing is great, lead to the surface of a wound to bleed easily when taking off the gauze, not only can make the healing of surface of a wound receive the influence, can increase the painful sense of patient, thereby make current surface of a wound dressing receive certain restriction in clinical application, treat to improve urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough that exists among the prior art, provide a dressing, convenient to use, hydroscopicity are strong, not only can effectively keep the surface of a wound dry, reduce the infection incidence, are favorable to promoting the surface of a wound healing, can avoid moreover and the surface of a wound emergence adhesion, both can reduce the number of times of changing dressings, improve clinical efficiency, can reduce patient's misery again, are particularly useful for the infectious surface of a wound.

The utility model adopts the technical proposal that:

the utility model provides a dressing for infectious wound, includes contact site and water absorption portion, the contact site set up in water absorption portion, water absorption portion is provided with bonding portion, and the contact site is used for contacting the surface of a wound, and bonding portion is used for adhesion skin. In the scheme, the water absorption part is arranged outside the contact part, when the dressing is specified at the wound surface by utilizing the bonding part, the contact part corresponds to the position of the wound surface and can be contacted with the wound surface, the water absorption part wraps the wound surface, when exudate exists on the wound surface, the exudate enters the water absorption part through the contact part under the adsorption action of the water absorption part, so that the exudate can be transferred to the position far away from the wound surface, the dryness of the wound surface can be effectively kept, the infection occurrence rate is reduced, the healing of the wound surface is promoted, the adhesion of the wound surface caused by the hardening of the exudate can be avoided, the dressing change frequency can be effectively reduced, and the clinical efficiency is improved; in addition, the change process of this dressing is more convenient, and is changing the in-process, can alleviate or reduce patient's painful sense to can effectively solve the not enough of prior art existence.

Preferably, the contact portion is a gauze layer. The gauze is soft in texture, can effectively protect the wound surface, has certain water absorption, can be used for a middle channel for transmitting the exudate, and is favorable for transmitting the exudate to the water absorption part through the contact part so as to be far away from the wound surface.

Preferably, the water-absorbing part comprises a water-absorbing core layer, and the water-absorbing core layer comprises at least one layer of polymer SAP. The polymer SAP has strong water absorption performance, can effectively avoid the problem of reverse osmosis, and can effectively realize the water absorption and water locking functions.

Furthermore, the water absorption part also comprises a surface permeable layer and an anti-leakage layer, the water absorption core layer is arranged between the surface permeable layer and the anti-leakage layer, and the contact part is fixed on the surface permeable layer. In the scheme, surface permeable layer is used for contacting user's skin, and the leak protection layer can effectively prevent to be leaked outward by the absorptive exudate of the sandwich layer that absorbs water, and the sandwich layer parcel that absorbs water can effectively realize absorbing water and lock the water function between surface permeable layer and leak protection layer.

Preferably, the surface water permeable layer is made of non-woven fabrics or cotton cloth. For more comfortable contact with the skin.

Preferably, the leakage-proof layer is a waterproof film.

Preferably, the bonding portion includes the viscose layer and leaves type paper, one side on viscose layer is fixed in the surface permeable layer, the opposite side with link to each other from type paper. During the use, manual tearing can expose the viscose layer from type paper, utilize the viscose layer can realize the fixed of this dressing.

Preferably, the adhesive layer includes a plurality of adhesive tapes, the adhesive tapes are respectively disposed at the edge of the surface permeable layer and the edge of the contact portion. Is beneficial to more firm pasting.

Furthermore, each adhesive tape is arranged on the surface permeable layer at a certain distance from each other and/or arranged on the surface permeable layer in a staggered manner. By adopting the design, the adhesive tape is convenient to adhere and can improve the air permeability.

Preferably, the water absorbing part has a rectangular, circular or elliptical structure.

In order to make the patch stably stick on the breast so as to be suitable for the wound surface of the mammary gland, in one proposal, a plurality of openings are arranged along the edge of the water absorption part, and the openings are distributed in a radial shape. The patch is convenient to be attached to the raised parts such as breasts, and the wrinkles can be effectively eliminated, so that the patch is tightly attached, and the patch is particularly suitable for protecting the wound surface of the mammary gland.

In another scheme, one side of the water absorbing part is inwards concave, and the other side of the water absorbing part is outwards convex, so that a bowl-shaped structure is formed. Therefore, the patch can be matched with the breast, so that the patch can be firmly stuck on the breast, and the wound surface of the breast can be better protected.

In order to facilitate the observation of the exudate, the water absorption part further comprises a liquid display strip, the liquid display strip is fixed on the water absorption core layer, and the liquid display strip changes color when meeting water. By observing the color of the liquid display strip, the condition of wound exudate can be conveniently known, and the use is more convenient.

Preferably, the liquid display strip is water display ink or hot-melt type urine display glue. The color of the water display ink can be set according to actual requirements, and the color of the water display ink can be gradually lightened or transparent after the water display ink meets water in the using process, so that the effect of displaying the exudate is achieved; similarly, the hot-melt type urine display adhesive can change color when meeting liquid, and can also achieve the effect of displaying and indicating the exudate.

Compared with the prior art, the utility model provides a pair of a dressing for infectious surface of a wound has following beneficial effect:

1. the dressing has the advantages of convenient use and strong water absorption, can effectively keep the wound surface dry, reduce the infection incidence rate, is beneficial to promoting the wound surface healing, can avoid the adhesion with the wound surface, can reduce the dressing change times, improve the clinical efficiency, and can reduce the pain of patients, thereby effectively solving the defects existing in the prior art.

2. The dressing can be conveniently and firmly stuck on the breast, thereby better protecting the wound surface of the breast.

3. The dressing is provided with the liquid display strip, and the condition of wound exudate can be conveniently known by observing the color of the liquid display strip, so that the dressing is more convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a bottom view of a dressing provided in embodiment 1 of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a front view of fig. 1.

3 fig. 3 4 3 is 3 a 3 view 3 a 3- 3 a 3 of 3 fig. 3 1 3. 3

Fig. 5 is a bottom view of the dressing provided in embodiment 1 of the present invention, after the release paper is removed.

Fig. 6 is a bottom view of another dressing provided in embodiment 1 of the present invention, with the release paper removed.

Fig. 7 is a bottom view of another dressing provided in embodiment 1 of the present invention, with the release paper removed.

Fig. 8 is a top view of a dressing provided in example 2 of the present invention.

Fig. 9 is a schematic structural view of another dressing provided in example 2 of the present invention.

Fig. 10 is a front view of fig. 9.

Description of the drawings

A contact portion 101,

A water-absorbing part 201, a water-absorbing core layer 202, a surface water-permeable layer 203, a leakage-proof layer 204, a liquid-displaying strip 205, an opening 206,

Adhesive tape 301, release paper 302.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 7, the present embodiment provides a dressing for an infectious wound surface, including a contact portion 101 and a water absorption portion 201, wherein the contact portion 101 is disposed on the water absorption portion 201, the water absorption portion 201 is provided with an adhesive portion, the contact portion 101 is used for contacting the wound surface, and the adhesive portion is used for adhering to the skin, so as to fix the dressing on the body of a user;

in this embodiment, the contact portion 101 is externally provided with the water absorption portion 201, when the dressing is specified at the wound surface by using the bonding portion, the contact portion 101 corresponds to the position of the wound surface and can be contacted with the wound surface, the water absorption portion 201 wraps the wound surface, when the wound surface has exudate, the exudate enters the water absorption portion 201 through the contact portion 101 under the adsorption action of the water absorption portion 201, so that the exudate can be transferred to the position far away from the wound surface, thereby not only effectively keeping the wound surface dry, reducing the infection occurrence rate and promoting the healing of the wound surface, but also avoiding the adhesion of the wound surface caused by the hardening of the exudate, so as to effectively reduce the dressing change times and improve the clinical efficiency; in addition, the change process of this dressing is more convenient, and is changing the in-process, can alleviate or reduce patient's painful sense to can effectively solve the not enough of prior art existence.

Preferably, the gauze layer adopted by the contact part 101 is soft, so that the wound surface can be effectively protected, and the gauze has certain water absorption property, can be used for a middle channel for transmitting exudate, and is favorable for transmitting the exudate to the water absorption part 201 through the contact part 101 so as to be away from the wound surface.

Preferably, the water absorbent portion 201 comprises a water absorbent core layer 202, and the water absorbent core layer 202 comprises at least one layer of polymeric SAP. The high-molecular SAP, also known as super absorbent resin, is prepared from starch and acrylate serving as main raw materials, has strong water absorption performance, can effectively avoid the problem of reverse osmosis, and can effectively realize the functions of water absorption and water locking, thereby effectively keeping the wound surface dry, promoting the wound healing and reducing the infection incidence. For example, in one embodiment, a layer of polymer SAP is included, and as another example, two layers of polymer SAP are included, one layer is mainly used for absorbing water, and the other layer is mainly used for locking water, which is not described herein again.

In a further embodiment, as shown in fig. 1-4, the water absorbing section 201 further comprises a permeable surface layer 203 and an anti-leakage layer 204, the water absorbing core layer 202 is disposed between the permeable surface layer 203 and the anti-leakage layer 204, and the contact section 101 is fixed to the permeable surface layer 203. The surface permeable layer 203 is used for contacting the skin of a user, the leakage-proof layer 204 can effectively prevent the seepage absorbed by the water-absorbing core layer 202 from leaking outwards, and the water-absorbing core layer 202 is wrapped between the surface permeable layer 203 and the leakage-proof layer 204, so that the water-absorbing and water-locking functions can be effectively realized.

By way of example, the surface permeable layer 203 may be made of non-woven fabric or cotton cloth; for more comfortable contact with the skin. And the leakage-proof layer 204 may be a waterproof film.

As shown in fig. 4, preferably, the bonding portion includes an adhesive layer and a release paper 302, one side of the adhesive layer is fixed on the surface permeable layer 203, and the other side is connected with the release paper 302, so that the adhesive layer can be arranged between the surface permeable layer 203 and the release paper 302, when in use, a user can manually tear the release paper 302 to expose the adhesive layer, and the adhesive layer can be conveniently fixed to realize the dressing.

In a preferred embodiment, the adhesive layer includes a plurality of adhesive tapes 301, and the adhesive tapes 301 are respectively disposed at the edge of the permeable surface layer 203 and the edge of the contact portion 101, as shown in fig. 1 and 5, so as to facilitate the adhesion of the adhesive layer more firmly.

In a further aspect, the adhesive tapes 301 are disposed on the permeable surface layer 203 at a certain distance from each other, as shown in fig. 6, and in addition, the adhesive tapes 301 may also be disposed on the permeable surface layer 203 in a staggered manner, as shown in fig. 7. It is understood that there are many other arrangements of the adhesive layer, for example, the adhesive tape 301 may also be arranged at a position between the edge of the water permeable surface layer 203 and the edge of the contact portion 101, which will not be described herein.

It is understood that the water absorbing part 201 can have various shapes, and preferably, the water absorbing part 201 has a rectangular (as shown in fig. 1), circular (as shown in fig. 5) or oval structure; as an example, the water absorption part 201 is rectangular so as to be suitable for a relatively smooth wound surface, such as an abdominal wound surface, a back wound surface, and the like; it will be appreciated that the same effect is obtained when the water absorbing part 201 of a circular or oval configuration is used, as shown in fig. 5, which is exemplified here.

As shown in fig. 2 and 4, in order to facilitate the observation of the exudate, in a further embodiment, the water absorbing portion 201 further includes a liquid display strip 205, the liquid display strip 205 is fixed to the water absorbing core layer 202, and the liquid display strip 205 changes color when contacting water. When the water absorption core layer 202 is soaked by the exudate, the liquid display strip 205 changes color when encountering water, and the condition of the wound exudate can be conveniently known by observing the color of the liquid display strip 205, so that the use is more convenient. Preferably, in this embodiment, the liquid display strip 205 is preferably made of water display ink or hot-melt type urine display glue. The color of the water display ink can be set according to actual requirements, and the color of the water display ink can be gradually lightened or transparent after the water display ink meets water in the using process, so that the effect of displaying the exudate is achieved, the principle of color change of the water display ink is the prior art, and the description is omitted; similarly, the hot melt type urine shows gluey also can change colour when meetting liquid, also can reach the effect that shows and instruct the exudate, and hot melt type urine shows gluey has extensive application in the diaper, belongs to prior art, and here is no longer repeated.

Example 2

In order to make the patch stably stick to the breast for being applied to the wound surface of the breast, the main difference between this embodiment 2 and the above embodiment 1 is that in the solution provided by this embodiment, a plurality of openings 206 are provided along the edge of the water absorbing portion 201, as shown in fig. 8, each opening 206 is distributed radially, so that the patch is more convenient to stick to the protruding portions such as the breast, and wrinkles can be effectively eliminated, so that the patch is tightly stuck, and is particularly suitable for protecting the wound surface of the breast.

In another scheme, one side of the water absorbing part 201 is concave inwards, and the other side is convex outwards to form a bowl-shaped structure, as shown in fig. 9 and 10; therefore, the patch can be matched with the shape of the breast, so that the patch can be attached to the breast more closely, the wound surface of the breast can be better protected, and the patch can be fixed more firmly; the slipping is avoided; in addition, the replacement process of the application can be effectively simplified, and the operation is more facilitated to be simplified.

It is understood that the contact part 101 may be provided at the center of the water absorption part 201, as shown in fig. 9, or may be provided at an off-center position on the water absorption part 201 so as to correspond to a mammary wound surface on a breast.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims

1. The dressing for the infectious wound is characterized by comprising a contact part and a water absorption part, wherein the contact part is arranged on the water absorption part, the water absorption part is provided with an adhesive part, the contact part is used for contacting the wound, and the adhesive part is used for adhering skin;

the water absorbing part comprises a water absorbing core layer, and the water absorbing core layer comprises at least one layer of polymer SAP;

the water absorption part further comprises a surface permeable layer and an anti-leakage layer, the water absorption core layer is arranged between the surface permeable layer and the anti-leakage layer, and the contact part is fixed on the surface permeable layer.

2. A dressing according to claim 1, wherein the surface permeable layer is made of non-woven fabric or cotton cloth, and/or the leakage-proof layer is a waterproof membrane, and/or the contact portion is a gauze layer.

3. A dressing according to claim 1, wherein the adhesive portion comprises an adhesive layer and a release paper, one side of the adhesive layer is fixed to the surface permeable layer, and the other side is connected to the release paper.

4. A dressing according to claim 3, wherein the adhesive layer comprises adhesive strips provided at the location of the edge of the water permeable surface layer and at the location of the edge of the contact portion, respectively.

5. A dressing for an infective wound as claimed in any one of claims 1 to 4 wherein the water absorbent portion is of rectangular, circular or oval configuration.

6. A dressing according to any one of claims 1 to 4, wherein a plurality of openings are provided along the edge of the water absorbent portion, the openings being radially distributed and/or one side of the water absorbent portion being inwardly concave and the other side being outwardly convex to form a bowl-like structure.

7. A dressing for an infectious wound according to claim 5, wherein the absorbent portion further comprises a liquid-displaying strip, the liquid-displaying strip being fixed to the absorbent core layer, the liquid-displaying strip changing colour when it comes into contact with water.

8. A dressing for an infective wound as claimed in claim 7 wherein the liquid-displaying strip is a water-displaying ink or a hot-melt type urine-displaying gel.