CN219148204U - Silica gel dressing with absorption function - Google Patents

Abstract

The utility model discloses a silica gel dressing with an absorption function, which comprises a first layer, a second layer and a third layer, wherein the first layer is a release layer, the second layer is a composite layer, and the third layer is a backing layer; wherein, the composite layer is formed by combining a silica gel punching layer with uniform lines distributed on the surface and a hydrocolloid punching layer. The utility model improves the phenomenon that the existing foam silicone gel dressing is easy to drop out of a wound after absorbing seepage, reduces the procedure of coating the back lining layer with acrylic ester pressure-sensitive adhesive, and reduces the product cost; the hydrocolloid layer is inlaid in the silica gel layer, so that the overall air permeability of the adhesive layer is increased to a certain extent.

Description

Silica gel dressing with absorption function

Technical Field

The utility model belongs to the technical field of medical supplies, and relates to a silica gel dressing, in particular to a silica gel dressing with an absorption function.

Background

The silica gel is a high-activity adsorption material, belongs to amorphous substances, is nontoxic, odorless and non-irritating, is insoluble in water and any solvent, and has stable chemical properties. The silica gel reaching medical grade is an important component of the current medical care products, has excellent air permeability and biocompatibility, creates an optimal healing environment for wound surfaces, and can avoid being influenced by external factors such as bacteria, moisture and the like.

The existing silicone gel dressing is generally 2: one is three-layer structure, and the silica gel is directly coated on the backing film, then covers and closes release material, namely backing layer, silica gel layer, release layer, and the silica gel layer is mainly pasted the effect, can not absorb the seepage liquid: a five-layer structure comprises a backing film layer, a backing rubberized layer, a foam layer, a silica gel punching layer and a release layer, wherein the silica gel layer is mainly contacted with a wound surface, provides adhesiveness and prevents adhesion, and the foam layer provides an absorption function.

The existing silicone gel dressing has the following defects: (1) pure silicone gel dressing has no function of absorbing seepage; (2) After the foam layer is added, the back lining layer can be stuck with foam after being coated with glue, and is generally acrylic pressure-sensitive adhesive, the whole thickness of the dressing is thicker, the sticking comfort is poor, the foam layer is easy to separate from the back lining layer after absorbing seepage, the foam layer falls off from a wound, meanwhile, the sticking performance of the silicone layer is weaker, and the phenomenon of edge warping exists.

Disclosure of Invention

In order to solve the problems, the utility model provides a silica gel dressing with an absorption function, which improves the phenomenon that the existing foam silica gel dressing is easy to fall off from wounds after absorbing seepage, reduces the process of coating an acrylic ester pressure-sensitive adhesive on a backing layer and reduces the product cost; the hydrocolloid layer is inlaid in the silica gel layer, so that the overall air permeability of the adhesive layer is increased to a certain extent.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the silica gel dressing with the absorption function comprises a first layer, a second layer and a third layer, wherein the first layer is a release layer, the second layer is a composite layer, and the third layer is a backing layer; wherein, the composite layer is formed by combining a silica gel punching layer with uniform lines distributed on the surface and a hydrocolloid punching layer.

As a preferable scheme of the utility model, the combination mode of the silica gel perforation layer and the hydrocolloid perforation layer is mosaic composite.

As a preferable scheme of the utility model, the release layer is release paper or release film.

As a preferable scheme of the utility model, the backing layer is one of PU film, PE foam, TPU film, EMA film, PE film, non-woven fabric material or PU elastic cloth.

As a preferred embodiment of the present utility model, the surface texture of the silicone gel perforated layer comprises a circular, frame, wave, stripe line or tire pattern shape.

As a preferable scheme of the utility model, the texture of the surface of the hydrocolloid perforating layer is matched with the texture of the surface of the silica gel perforating layer.

As a preferred embodiment of the present utility model, the thickness of the silicone gel perforation layer is the same as that of the hydrocolloid perforation layer.

As a preferable scheme of the utility model, the thickness of the composite layer is 0.1-1.5mm.

As a preferred embodiment of the present utility model, the release layer and the backing layer have the same area.

As a preferable mode of the utility model, the area of the release layer is the same as that of the composite layer.

Compared with the prior art, the utility model has the following beneficial effects:

1) The utility model increases the absorption function of the silica gel layer through the change of the structure of the silica gel layer.

2) The utility model improves the phenomenon that the existing foam silicone gel dressing is easy to drop out of a wound after absorbing seepage, reduces the process of coating the back lining layer with acrylic ester pressure-sensitive adhesive, and reduces the product cost.

3) The texture link of the utility model can increase the compliance of skin during pasting, improve comfort and reduce edge lifting.

4) The hydrocolloid layer is inlaid in the silica gel layer, so that the overall air permeability of the adhesive layer is improved to a certain extent.

5) When the dressing is used, the silicone gel and the hydrocolloid perforation composite material layer are in direct contact with the wound surface, so that the characteristics of softness, comfort and low sensitivity of the silicone gel layer can be continuously exerted on one hand, the adhesiveness and the absorbability of the hydrocolloid are combined on the other hand, the pasting effect of the dressing is enhanced, and a certain seepage absorption function can be provided.

Drawings

Fig. 1 is a schematic diagram of the present utility model.

Fig. 2 is another schematic representation of the composite layer of the present utility model.

In the figure, 1. Backing layer; 2. a composite layer; 3. a release layer; 4. and (5) lines.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.

Example 1

Referring to fig. 1, the embodiment discloses a silicone gel dressing with an absorption function, which comprises a first layer, a second layer and a third layer, wherein the first layer is a release layer 3, the second layer is a composite layer 2, and the third layer is a backing layer 1; wherein, the composite layer 2 is formed by embedding and compounding a silica gel punching layer and a hydrocolloid punching layer, wherein the surfaces of the silica gel punching layer and the hydrocolloid punching layer are distributed with uniform lines 4.

The release layer 3 is made of release paper or release film, the release paper is peziram release paper, and the release film is PE release film or PET release film.

The composite layer 2 is a perforated silica gel and hydrocolloid composite material layer, the layer is perforated (the lines can be round, frame-shaped, wave-shaped, stripe-shaped, tyre pattern-shaped and the like) after the silica gel layer is coated, the hydrocolloid is coated with an equal-thickness adhesive layer, the same pattern and hole size are punched with the silica gel layer, then the two layers are inlaid and compounded, the lines of the composite material are mutually staggered and tightly adhered together, a flat plane adhesive layer material is formed, and the thickness of the adhesive layer is 0.1-1.5mm. In this embodiment, the lines are circular, 1-3mm in diameter, and arranged in a close array.

The backing layer 1, the size of the backing layer 1 is the same as that of the release layer 3, and is mainly PU film, PE foam, TPU film, EMA film, PE film, non-woven fabric material, PU elastic cloth and the like.

The area of the release layer 3 is the same as that of the composite layer 2.

Example 2

The embodiment discloses a silica gel dressing with absorption function, wherein the release layer 3 is made of release paper or release film, the release paper is made of peziram release paper, and the release film is made of PE release film or PET release film.

The composite layer 2 is a perforated silica gel and hydrocolloid composite material layer, after the layer is directly glued with a hydrocolloid to fix lines (the lines can be round, frame, wave, stripe line, tyre pattern shape and the like), the silica gel layer with the same shape is coated on the other glue coating roller, and the silica gel coating just fills the gap of the hydrocolloid glue coating through induction to form two layers of embedded composite materials, the lines are mutually staggered, the two colloid shapes are tightly adhered together to form a flat plane glue layer material, and the thickness of the glue layer is 0.1-1.5mm.

Referring to fig. 2, in this embodiment, the lines are frame-shaped, 2mm long, 1mm wide, and arranged in a compact array.

The backing layer 1 has the same size as the release layer 3, and is mainly a PU film, PE foam, TPU film, EMA film, PE film, non-woven fabric material, PU elastic cloth and the like.

The area of the release layer 3 is the same as that of the composite layer 2.

After the release paper is removed during use, the silicone gel and the hydrocolloid perforation composite material directly contact the wound surface, so that the characteristics of softness, comfort, low sensitivity and repeated adhesion of the silicone gel layer can be continuously exerted, the adhesion effect of the dressing can be enhanced by combining the viscosity, the absorbability and the air permeability of the hydrocolloid, and certain seepage absorption and air permeability functions can be provided.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (10)

1. The silica gel dressing with the absorption function is characterized by comprising a first layer, a second layer and a third layer, wherein the first layer is a release layer, the second layer is a composite layer, and the third layer is a backing layer; wherein, the composite layer is formed by combining a silica gel punching layer with uniform lines distributed on the surface and a hydrocolloid punching layer.

2. The absorbent silicone gel dressing of claim 1 wherein the silicone gel perforation layer is combined with the hydrocolloid perforation layer in a mosaic composite.

3. The silicone gel dressing with absorption function according to claim 1, wherein the release layer is release paper or release film.

4. The absorbent silicone gel dressing of claim 1, wherein the backing layer is one of PU film, PE foam, TPU film, EMA film, PE film, nonwoven material, or PU stretch cloth.

5. The absorbent silicone gel dressing of claim 1, wherein the surface texture of the silicone gel perforated layer comprises a circular, frame, wave, stripe line or tire pattern shape.

6. The absorbent silicone gel dressing of claim 1 or 5, wherein the surface of the hydrocolloid perforation layer has a texture matching the texture of the surface of the silicone gel perforation layer.

7. The absorbent silicone gel dressing of claim 1 wherein the silicone gel perforation layer is the same thickness as the hydrocolloid perforation layer.

8. A silicone gel dressing with absorption function according to claim 1, wherein the thickness of the composite layer is 0.1-1.5mm.

9. The absorbent silicone gel dressing of claim 1 wherein the release layer and the backing layer have the same area.

10. The silicone gel dressing with absorption function according to claim 1, wherein the release layer and the composite layer have the same area.

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