Silicone preparation pressure device for treating hypertrophic scars

Abstract

The invention discloses a silicone preparation pressure device for treating hypertrophic scars. The silicone preparation pressure device comprises a dressing layer and a negative pressure assembly. The dressing layer comprises a viscous semi-permeable membrane and a silicone dressing layer from outside to inside according to the direction of being fixed on the body surface; the area of the viscous semi-permeable membrane is larger than that of the silicone dressing layer, so that the silicone dressing layer can be completely covered and sealed; a display screen is arranged at the top of the negative pressure assembly, and a negative pressure channel is formed in the bottom of the negative pressure assembly and used for connecting the negative pressure assembly with the viscous semi-permeable membrane; and the negative pressure assembly can extract air in a space formed between the viscous semi-permeable membrane and the skin to form a negative pressure state.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, in particular to a silicone preparation pressure device for treating hypertrophic scars. Background Art

[0002] Scar hyperplasia after burns and surgical incisions has always been a difficult problem in clinical treatment. Hypertrophic scars are abnormally proliferating fibrous tissues formed by excessive repair of skin tissue after injury. Hypertrophic scars may cause pain, itching, limb deformity and functional impairment in patients. In severe cases, they not only cause physical pain to patients, but also cause serious psychological disorders.

[0003] Pressure therapy and silicone therapy are scar prevention and treatment programs recommended by multiple scar consensus at home and abroad. Pressure can inhibit the proliferation of fibroblasts and collagen synthesis, and silicone components can inhibit scar hyperplasia, maintain skin moisture, and reduce dryness and itching. The combined use of the two can not only enhance the treatment effect through synergistic effect, but also shorten the time required for treatment. However, there are still some challenges and limitations in practice. Patient compliance is often a significant problem. Traditional pressure garments or pads are large and inconvenient to wear, affecting the patient's daily life and appearance, resulting in decreased compliance. In addition, when traditional pressure garments and elastic sleeves are used for pressure therapy on the limbs, the pressure is not easy to accurately control, which can easily cause annular pressure, restrict limb movement and blood circulation, and cause discomfort. For linear scars with limited range such as cesarean section, large joint surgery, breast plastic surgery, abdominal wall plastic surgery, etc., if the patient wears an elastic sleeve on the entire limb or torso, it will affect the patient's normal ability to move and bring inconvenience to the patient. Pressure therapy is often not implemented in clinical practice, and only silicone preparations for pressure-free treatment can be used.

[0004] Although pressure combined with silicone patch therapy has shown strong effects in the field of scar improvement, there is still a need to continue to develop more comfortable, effective and convenient treatment methods to improve patient compliance and satisfaction, thereby achieving more ideal treatment results. Summary of the invention

[0005] In view of the problem that existing scar treatments are not portable and comfortable enough, the present invention proposes a portable silicone preparation pressure device for improving the portability, comfort and other treatment effects of current treatment methods.

[0006] The specific scheme of the present invention is: a silicone preparation pressure device for treating hypertrophic scars, characterized in that it includes a dressing layer and a negative pressure component; the dressing layer is a viscous semipermeable membrane and a silicone dressing layer from outside to inside according to the direction when fixed on the body surface; the area of ​​the viscous semipermeable membrane is larger than that of the silicone dressing layer, so as to completely cover and seal the silicone dressing layer; a display screen is provided on the top of the negative pressure component, and a negative pressure channel is provided on the bottom to connect the negative pressure component with the viscous semipermeable membrane; the negative pressure component includes a negative pressure pump, a control circuit board, a battery compartment, a pressure sensor, and a negative pressure pipeline connected to the pressure sensor, and the negative pressure pipeline is connected to the negative pressure channel; the display screen is provided with function buttons such as negative pressure setting, pressure start, and stop; the function button can also be a physical button; the negative pressure component can extract the air in the space formed between the viscous semipermeable membrane and the skin to form a negative pressure state less than 40mmHg. Preferably, a fixed negative pressure of 20-30mmHg can be continuously provided.

[0007] Furthermore, the negative pressure channel connects the negative pressure pipeline inside the negative pressure component with the viscous semipermeable membrane.

[0008] Furthermore, a pressure sensor may be provided in the dressing layer to transmit the pressure signal of the dressing layer to the negative pressure component via a wire.

[0009] Furthermore, the negative pressure component can monitor and adjust the pressure, and the display screen can display the pressure value transmitted by the pressure sensor; the display screen can also set the pressure value, and the negative pressure pump automatically starts and stops through the control circuit board according to the set pressure value to maintain the pressure value in the dressing layer.

[0010] Furthermore, the dressing layer further comprises a foam dressing layer, which is arranged between the adhesive semipermeable membrane and the silicone dressing layer, and the size of the foam dressing layer is equal to or slightly smaller than the size of the silicone dressing layer.

[0011] Furthermore, the dressing layer also includes an absorption layer, and the size of the absorption layer is equal to or slightly smaller than the size of the silicone dressing layer.

[0012] Furthermore, the viscous semipermeable membrane is made of a viscous soft silicone or viscous polyurethane film or other transparent, low skin-reactive viscous material, and the moisture permeability is more than 1000 (g / m 2 / 24h); the silicone dressing layer contains silicone components and can be in the form of a sheet or mesh sponge to promote scar softening, flattening and hypocongestion; the foam dressing layer is composed of polyvinyl alcohol (PVA) and / or polyurethane materials. The above components can also be composed of other materials that can perform similar functions.

[0013] Furthermore, the foam dressing layer and the absorption layer can be removed / replaced as needed.

[0014] In another embodiment, the silicone preparation pressure device comprises the dressing layer, the negative pressure assembly and the negative pressure catheter; one end of the negative pressure catheter is connected to the dressing layer, and the other end is connected to the negative pressure channel at the bottom of the negative pressure assembly, and further connected to the negative pressure pipeline.

[0015] The present invention has the following advantages: (1) It is highly portable. The negative pressure component is small and easy to carry. Treatment can be performed anytime and anywhere without being restricted by time and place. (2) It has wide applicability. Multi-layer dressings of different specifications can be selected according to the location and shape of the scar to meet the needs of different patients. (3) The pressure is stable. The negative pressure pump can provide stable negative pressure to ensure the treatment effect. (4) The silicone component in the multi-layer dressing is combined with pressure therapy to improve the treatment effect. (5) It is highly safe. It will not form annular pressure, hinder limb blood circulation, or affect limb movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a silicone preparation pressure device for treating hypertrophic scars according to the present invention;

[0017] Figure 2 A side view of a silicone preparation pressure device for treating hypertrophic scars according to the present invention;

[0018] Figure 3 This is a schematic structural diagram of a negative pressure component of a silicone preparation pressure device for treating hypertrophic scars according to the present invention;

[0019] Figure 4 A schematic diagram of the structure of an embodiment of a silicone preparation pressure device for treating hypertrophic scars according to the present invention

[0020] Figure 5 A schematic diagram of another embodiment of the silicone preparation pressure device for treating hypertrophic scars according to the present invention

[0021] Figure 6 A schematic structural diagram of another embodiment of a silicone preparation pressure device for treating hypertrophic scars according to the present invention

[0022] Figure numerals: 1 - dressing layer, 11 - adhesive semipermeable membrane, 12 - silicone dressing layer, 13 - foam dressing layer, 14 - absorption layer, 2 - negative pressure component, 21 - display screen, 22 - negative pressure channel, 3 - negative pressure catheter. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the invention is further described in detail below in conjunction with the accompanying drawings and embodiments. In order to thoroughly understand the present invention, detailed steps and detailed structures will be proposed in the following description to illustrate the technical solutions of the present invention. The preferred embodiments of the present invention are described in detail below, but in addition to these detailed descriptions, the present invention may also have other embodiments.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] like Figure 1 , Figure 2 As shown, the present invention provides a silicone preparation pressure device for treating hypertrophic scars, comprising a dressing layer 1 and a negative pressure component 2; the dressing layer 1 is composed of a viscous semipermeable membrane 11 and a silicone dressing layer 12 from outside to inside in the direction when fixed on the body surface, and the silicone dressing layer 12 is composed of an elastic mesh-like silicone material; the area of ​​the viscous semipermeable membrane 11 is larger than that of the silicone dressing layer 12, so as to completely cover and seal the silicone dressing layer.

[0026] Figure 3 As shown, the negative pressure component 2 is provided with a display screen 21 at the top and a negative pressure channel 22 at the bottom, connecting the negative pressure component 2 with the viscous semipermeable membrane 11; the negative pressure component 2 includes a negative pressure pump, a control circuit board, a battery compartment, a pressure sensor, and a negative pressure pipeline connected to the pressure sensor, and the negative pressure pipeline is connected to the negative pressure channel 22; at the same time, the area of ​​the non-negative pressure channel 22 at the bottom of the negative pressure component 2 can be provided with viscosity to better fix the negative pressure component 22 on the surface of the semipermeable membrane 11; the display screen 21 is provided with function buttons such as negative pressure setting, pressure start, and stop; the function buttons can also be physical buttons; the negative pressure component 2 can extract the air in the viscous semipermeable membrane 11 to form a negative pressure state. According to the preset setting, the negative pressure component 2 can continuously provide a fixed negative pressure of 20-25mmHg.

[0027] The negative pressure channel 22 connects the negative pressure pipeline inside the negative pressure component with the viscous semipermeable membrane 11 .

[0028] A pressure sensor may also be provided in the dressing layer 1 to transmit the negative pressure signal in the dressing layer 1 to the negative pressure component 2 via a wire.

[0029] The negative pressure component 2 can monitor and adjust the pressure, and the display screen 21 can display the pressure value transmitted by the pressure sensor; the display screen 21 can set the pressure value, and the negative pressure pump automatically starts and stops according to the set pressure value through the control circuit board to maintain the pressure value of the dressing layer 1.

[0030] like Figure 4 As shown, the dressing layer 1 further includes a foam dressing layer 13, which is disposed between the adhesive semipermeable membrane 11 and the silicone dressing layer 12, and the size of the foam dressing layer 13 is equal to or slightly smaller than the size of the silicone dressing layer 12. The foam dressing layer 13 is used to support the space between the semipermeable membrane 11 and the silicone dressing layer 12, transfer the atmospheric pressure to the silicone dressing layer 12, and press the silicone dressing layer 12 against the skin surface.

[0031] like Figure 5 As shown, the dressing layer 1 further comprises an absorption layer 14, the size of which is equal to or slightly smaller than the size of the silicone dressing layer 12, and is used to absorb moisture and sweat evaporated from the skin.

[0032] The sticky semipermeable membrane 11 is made of sticky soft silicone or sticky polyurethane film or other transparent, low skin-reactive sticky material; one side facing the skin is sticky, and the other side is non-sticky;

[0033] The silicone dressing layer 12 contains silicone components and can be in the form of a sheet or a mesh sponge to promote scar softening, flattening and hypocongestion;

[0034] The foam dressing layer 13 is made of polyvinyl alcohol (PVA) and / or polyurethane material.

[0035] The foam dressing layer 13 and the absorption layer 14 can be removed / replaced as needed.

[0036] In another embodiment, if Figure 6 As shown, the silicone preparation pressure device includes a dressing layer 1, a negative pressure component 2 and a negative pressure catheter 3; one end of the negative pressure catheter 3 is connected to the dressing layer 1, and the other end is connected to the negative pressure channel 22 at the bottom of the negative pressure component, and then connected to the negative pressure pipeline inside the negative pressure component 2.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A silicone preparation pressure device for treating hypertrophic scars, characterized in that: It comprises a dressing layer and a negative pressure component; the dressing layer comprises a sticky semipermeable membrane and a silicone dressing layer from outside to inside in the direction when fixed on the body surface; the sticky semipermeable membrane has a larger area than the silicone dressing layer so as to completely cover and seal the silicone dressing layer; a display screen is provided on the top of the negative pressure component and a negative pressure channel is provided on the bottom to connect the negative pressure component with the sticky semipermeable membrane; the negative pressure component can extract the air in the space formed between the sticky semipermeable membrane and the skin to form a negative pressure state.

2. The silicone preparation pressure device according to claim 1, characterized in that: The negative pressure channel connects the negative pressure pipeline inside the negative pressure component with the viscous semipermeable membrane.

3. The silicone preparation pressure device according to claim 2, characterized in that: The negative pressure component includes a negative pressure pump, a control circuit board, a battery compartment, a pressure sensor, and a negative pressure pipe connected to the pressure sensor, and the negative pressure pipe is connected to the negative pressure channel; the display screen is provided with function buttons such as negative pressure setting, pressure start, and stop; the function buttons can also be physical buttons.

4. The silicone preparation pressure device according to claim 1, characterized in that: The dressing layer or inside thereof may also be provided with a pressure sensor, and the pressure signal of the dressing layer is transmitted to the negative pressure component through a wire.

5. The silicone preparation pressure device according to claim 4, characterized in that: The negative pressure component can monitor and adjust the pressure, and the display screen can display the pressure value transmitted by the pressure sensor; the display screen can set the negative pressure value, and the negative pressure pump automatically starts and stops through the control circuit board according to the set negative pressure value to maintain the negative pressure value of the dressing layer.

6. The silicone preparation pressure device according to claim 1, characterized in that: The dressing layer further comprises a foam dressing layer, which is arranged between the adhesive semipermeable membrane and the silicone dressing layer, and the size of the foam dressing layer is equal to or slightly smaller than the size of the silicone dressing layer.

7. The silicone preparation pressure device according to claim 1, characterized in that: The dressing layer further comprises an absorbent layer, the size of which is equal to or slightly smaller than the size of the silicone dressing layer.

8. The silicone preparation pressure device according to any one of claims 1 to 7, characterized in that: The sticky semipermeable membrane is composed of sticky soft silicone or sticky polyurethane film or other transparent, low skin-reactive sticky materials; the silicone dressing layer contains silicone components and can be in sheet or sponge form to promote scar softening, flattening and hypocongestion; the foam dressing layer is composed of polyvinyl alcohol (PVA) and / or polyurethane material, has a reticular foam structure, and has a certain elasticity.

9. The silicone preparation pressure device according to claim 5, characterized in that: The foam dressing layer and the absorption layer can be removed / replaced as needed.

10. A silicone pressure device for treating hypertrophic scars, characterized in that: It includes the dressing layer, the negative pressure component and the negative pressure catheter; one end of the negative pressure catheter is connected to the dressing layer, and the other end is connected to the negative pressure channel at the bottom of the negative pressure component, and further connected to the negative pressure pipeline.

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