CN217448226U

CN217448226U - Foam dressing

Info

Publication number: CN217448226U
Application number: CN202220546301.4U
Authority: CN
Inventors: 冯幼强; 鲁建国
Original assignee: Zhende Medical Co Ltd
Current assignee: Zhende Medical Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-09-20
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a foam dressing, which comprises an absorption layer, wherein one side of the absorption layer is provided with an adhesive layer; a pressure sensitive layer is arranged on one side of the viscose layer, which is far away from the absorption layer; a coating layer is arranged on one side of the pressure sensitive layer, which is far away from the viscose layer; the other side of the absorption layer is provided with a wound contact layer; the pressure sensitive layer is a piezochromic material. The technical scheme of the utility model be set up the sensitive layer of one deck pressure in the foam dressing, pressing the sore nursing in-process, the sensitive layer of pressure can take place obvious allochroic reaction along with the pressure duration and the pressure size that the sore wound received are pressed to the patient to play the effect of reminding medical personnel, can in time stand up the action to pressing sore patient pressurized position, can show to improve and press sore nursing level, promote the pressure sore recovery rate who presses the sore patient.

Description

Foam dressing

Technical Field

The utility model relates to the technical field of medical supplies, concretely relates to foam dressing.

Background

The pressure sore is tissue damage and necrosis caused by the loss of normal functions of skin due to long-term compression of local tissues of a body, blood circulation disorder, tissue nutrient deficiency and the like, and is regarded as a 'first killer' of a long-term bedridden patient. Clinically, pressure sore dressings play a very critical role in the treatment of pressure sores. With the aging population, the incidence rate of pressure sores gradually increases, the death rate of the elderly patients related to pressure sores is 23% -37%, and the death rate of the elderly patients suffering from pressure sores is increased by nearly 4 times compared with the elderly people without pressure sores, and if the pressure sores are not healed, the death rate is increased by 6 times.

In the pressure sore nursing, the foam dressing product is widely applied in clinical nursing because of strong absorption capacity, high ventilation and good pressure dispersion. But simultaneously, although having used foam dressing product many times, medical personnel can't observe whether the wound is too big, do not turn over to the pressure sore patient in the very first time, lead to the result of use not good, owing to receive friction and extrusion, can lead to the pressure sore wound more serious even.

In view of the above, there is a great need in the market for a foam dressing that can remind medical staff to turn over and care a pressure sore patient in time when the pressure of the pressure sore wound is too high and the time is too long.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a technical scheme does:

a foam dressing comprises an absorption layer, wherein one side of the absorption layer is provided with an adhesive layer; a pressure sensitive layer is arranged on one side, away from the absorption layer, of the adhesive layer; a coating layer is arranged on one side of the pressure sensitive layer, which is far away from the viscose layer; the other side of the absorption layer is provided with a wound contact layer; the pressure sensitive layer is a piezochromic material.

The utility model discloses further set up to the wound contact layer is kept away from one side of absorbed layer is provided with the protective layer.

The utility model discloses further set up as piezochromic material is one of divinylanthracene class compound, tetraphenyl vinyl compound, cyano vinyl compound and silole class compound.

The utility model discloses further set up as the piezochromic material is 9, 10-divinyl anthracene class compound.

The utility model discloses further set up as the absorbed layer is polyurethane foam, the thickness of absorbed layer is 1 ~ 8 mm.

The utility model discloses further set up as the viscose layer is gluing agent material, the rubberizing volume of viscose layer is 10 ~ 100g/m ² 。

The utility model discloses further set up as the wound contact layer is gluing agent material, the rubberizing volume of wound contact layer is 10 ~ 500g/m ² 。

The utility model discloses further set up as the coating is transparent film material, the thickness of coating is 15 ~ 50 mu m.

The utility model discloses further set up as the thickness of protective layer is 10 ~ 200 mu m.

The utility model discloses further set up as the area of absorbed layer is less than the area of viscose layer with the area of wound contact layer.

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

this technical scheme sets up the sensitive layer of one deck pressure in the foam dressing, and in pressing sore nursing process, the pressure sensitive layer can take place obvious discoloration reaction along with the pressure duration that the sore wound received is pressed to the patient and pressure size to play warning medical personnel's effect, can in time stand up the action to pressing sore patient pressurized position, can show to improve and press sore care level, promote and press sore patient's pressure sore recovery rate.

The adhesive layer in the foam dressing is used for adhering the absorption layer; the transparent coating layer is convenient for medical personnel to observe the color change condition of the pressure sensitive layer and isolate external pollution; the wound contact layer is used for adhering skin around the wound; the protective layer is used for protecting the wound contact layer from being polluted and ensuring the pasting effect of the wound contact layer.

Drawings

Fig. 1 is a diagram of an embodiment of the present invention.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, an integral connection, or a detachable connection; either mechanically or electrically, or internally communicating two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meanings of the above terms according to specific situations.

Example 1

With reference to fig. 1, the technical scheme of the utility model is a foam dressing, which comprises an absorption layer 1, wherein the absorption layer 1 is made of polyurethane foam; an adhesive layer 2 is arranged on one side of the absorption layer 1, and the adhesive layer 2 is one of acrylic acid pressure-sensitive adhesive, hot melt adhesive, hydrocolloid and silicone gel; a pressure sensitive layer 3 is arranged on one side, away from the absorption layer 1, of the adhesive layer 2, the pressure sensitive layer 3 is a piezochromic material, and the piezochromic material is one of a divinyl anthracene compound, a tetraphenyl vinyl compound, a cyano vinyl compound and a silole compound; a coating layer 4 is arranged on one side, far away from the viscose layer 2, of the pressure sensitive layer 3, and the coating layer 4 is one of PU, TPU and TPE; a wound contact layer 5 is arranged on the other side of the absorption layer 1, and the wound contact layer 5 is one of acrylic acid pressure-sensitive adhesive, hot melt adhesive, hydrocolloid and silicone gel; one side of the wound contact layer 5, which is far away from the absorption layer 1, is provided with a protective layer 6, and the protective layer 6 is one of PET, PE and PP.

In this embodiment, the area of the absorbent layer 1 is smaller than the area of the adhesive layer 2 and the area of the wound contact layer 5.

In the present embodiment, the coating layer 4 is made of a transparent TPU material, and the thickness of the coating layer 4 is 20 μm.

In the present embodiment, the pressure-sensitive layer 3 is a 9, 10-divinylanthracene compound as a piezochromic material, and the thickness of the pressure-sensitive layer is 10 μm.

In this embodiment, the adhesive layer 2 is a medical hydrocolloid, and the coating amount of the adhesive layer 2 is 80g/m ² 。

In this embodiment, the absorption layer 1 is polyurethane foam, and the thickness of the absorption layer 1 is 2 mm.

In this embodiment, the wound contact layer 5 is a hot melt adhesive, and the gluing amount of the wound contact layer 5 is 50g/m ² 。

In this embodiment, the protective layer 6 is a PE release film, and the thickness of the protective layer 6 is 60 μm.

The utility model discloses technical scheme piezochromic material is 9, 10-divinyl anthracene class compound, and at pristine condition, the molecule is arranged with J-gathering mode in the crystal, and intermolecular force is more weak, and along with pressure increase, crystal molecule arranges and changes H-gathering mode from J-gathering mode, and the molecule effort strengthens gradually to make the colour deepen, divide 4 colour grades to show, be blue, green, yellow, red from low to high. When the pressure color shows blue, the pressure sensitive layer is low in pressure and has no risk; when the pressure color shows red, the pressure sensitive layer is indicated to have the risk of over-pressure, and the patient needs to turn over immediately.

Example 2

Example 2 differs from example 1 in the material or thickness of the foam dressing layer.

In this embodiment, the coating layer 4 is made of a transparent TPE material, and the thickness of the coating layer 4 is 30 μm.

In the present embodiment, the pressure-sensitive layer 3 is a piezochromic material 9, 10-divinylanthracene compound, and the thickness of the pressure-sensitive layer 3 is 8 μm.

In this embodiment, the adhesive layer 2 is a silicone gel, and the coating amount of the adhesive layer 2 is 90g/m ² 。

In the present embodiment, the wound contact layer 5 is silicone gel, and the sizing amount of the wound contact layer 5 is 300g/m ² 。

In this embodiment, the protective layer 6 is a PE release film, and the thickness of the protective layer 6 is 70 μm.

Example 3

Example 3 differs from example 1 in the material or thickness of the foam dressing layer.

In this embodiment, the coating layer 4 is made of a transparent PU material, and the thickness of the coating layer 4 is 40 μm.

In the present embodiment, the pressure-sensitive layer 3 is a piezochromic material 9, 10-divinylanthracene compound, and the thickness of the pressure-sensitive layer 3 is 13 μm.

In the embodiment, the adhesive layer 2 is an acrylic pressure sensitive adhesive, and the coating amount of the adhesive layer 2 is 50g/m ² 。

In this embodiment, the absorption layer 1 is polyurethane foam, and the thickness of the absorption layer 1 is 4 mm.

In the embodiment, the wound contact layer 5 is medical hydrocolloid, and the gluing amount of the wound contact layer 5 is 120g/m ² 。

In this embodiment, the protective layer 6 is a PE release film, and the thickness of the protective layer 6 is 80 μm.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The foam dressing is characterized by comprising an absorption layer, wherein one side of the absorption layer is provided with an adhesive layer; a pressure sensitive layer is arranged on one side of the viscose layer, which is far away from the absorption layer; a coating layer is arranged on one side of the pressure sensitive layer, which is far away from the viscose layer; the other side of the absorption layer is provided with a wound contact layer; the pressure sensitive layer is a piezochromic material.

2. Foam dressing according to claim 1, characterized in that the side of the wound contact layer remote from the absorbent layer is provided with a protective layer.

3. The foam dressing of claim 1, wherein said piezochromic material is one of a divinylanthracene compound, a tetraphenylvinyl compound, a cyanovinyl compound, and a silole compound.

4. A foam dressing according to claim 3, characterised in that the piezochromic material is a 9, 10-divinylanthracene compound.

5. The foam dressing of any one of claims 1 to 4, wherein the absorbent layer is polyurethane foam and has a thickness of 1 to 8 mm.

6. The foam dressing of any one of claims 1 to 4, wherein the adhesive layer is an adhesive material, and the adhesive amount of the adhesive layer is 10 to 100g/m ² 。

7. The foam dressing of any one of claims 1 to 4, wherein the wound contact layer is an adhesive material, and the adhesive amount of the wound contact layer is 10-500 g/m ² 。

8. The foam dressing of any one of claims 1 to 4, wherein the coating layer is a transparent film material, and the thickness of the coating layer is 15-50 μm.

9. The foam dressing according to claim 2, wherein the protective layer is a release film, and the thickness of the protective layer is 10-200 μm.

10. The foam dressing of any one of claims 1 to 4, wherein the area of the absorbent layer is smaller than the area of the adhesive layer and the area of the wound contact layer.