Pressure orthosis for preventing burn neck scar contracture

Abstract

The utility model relates to the technical field of medical equipment, in particular to a pressure orthosis for preventing burn neck scar contracture, which comprises a main air inlet pipe, the bottom of the main air inlet pipe is communicated with a first one-way valve, the first one-way valve is communicated with a micro air pump, and one side of the main air inlet pipe is provided with a pressure adjusting mechanism; a tension application assembly is arranged on the top of the pressure adjusting mechanism. The air bag body is matched with the first one-way valve and the like, stable adjustment of pressure can be achieved, the expansion volume of the air bag can be twice the initial volume, different neck pressure requirements can be met, and appropriate pressure is provided for preventing burn neck scar contracture. The pressure equalizing rod enables the pressure generated by the air bag body to act on the neck more uniformly, local pressure is prevented from being too large or too small, the pressure orthopedic effect is improved, and adverse effects on local tissues of the neck are reduced. By means of the first air holes and the second air holes in the air-permeable plate, air permeability of the neck skin when the orthosis is worn can be guaranteed, and the occurrence probability of skin problems is reduced.

Description

Technical Field

[0001] This application relates to the field of medical device technology, and in particular to a pressure orthosis for preventing neck scar contracture caused by burns. Background Technology

[0002] Neck scar contracture is a common and serious complication of burns, significantly impacting both the physical and mental health of patients. Physiologically, neck scar contracture restricts the normal range of motion in the neck, limiting head movement, flexion, and extension, severely affecting daily life. Basic activities such as dressing, washing, and eating can become difficult. Long-term scar contracture can also pull on surrounding tissues, leading to facial deformities, difficulty swallowing, and even respiratory dysfunction, posing a serious threat to the patient's physical health.

[0003] Currently, there are numerous methods for preventing and treating scar contractures in the neck caused by burns, commonly including surgical treatment, physical therapy, and pressure therapy. While surgical treatment can improve scar contractures to some extent, it involves significant trauma, long recovery time, high costs, and potential postoperative complications. Physical therapy, such as laser therapy and massage, while effective, often requires long-term adherence, and its effectiveness is limited when used alone for severe scar contractures. Pressure therapy, as an important non-invasive treatment, applies continuous and appropriate pressure to the scar area, inhibiting fibroblast proliferation and reducing collagen fiber synthesis, thereby preventing and alleviating scar contractures.

[0004] Regarding the aforementioned technologies, the inventors have identified the following drawbacks: Existing devices typically employ a rather crude pressure adjustment method, making it difficult to make precise pressure adjustments tailored to the specific condition of a patient's neck scar, such as differences in scar severity at different locations or changes in the recovery stage. The inability to accurately apply different pressures to different areas leads to inconsistent treatment outcomes. Some patients may experience insufficient pressure to effectively inhibit scar growth, while others may experience discomfort or even damage to surrounding healthy tissue due to excessive pressure. Furthermore, the pressure adjustment operation of existing devices is cumbersome, requiring professionals to spend a significant amount of time adjusting them, and is extremely difficult for patients to operate independently. Utility Model Content

[0005] In view of the shortcomings of the prior art and in order to solve the problems mentioned in the background art, this application provides a pressure orthosis for preventing neck scar contracture caused by burns.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a pressure orthosis for preventing neck scar contracture caused by burns, comprising a main air inlet pipe, the bottom of which is connected to a first one-way valve, the first one-way valve being connected to a miniature air pump, a pressure regulating mechanism being provided on one side of the main air inlet pipe, and a tension dressing assembly being provided on the top of the pressure regulating mechanism; the pressure regulating mechanism includes a restraint band, a second one-way valve, an airbag shell, an air inlet, an elastic band body, a tension groove, a pressure distribution rod, and an airbag body. The restraint strap is fixedly connected to one side of the main air intake pipe. A second one-way valve is fixedly connected to the side of the restraint strap closest to the main air intake pipe. An airbag shell is fixedly installed on the other side of the restraint strap. An air inlet is provided on the side of the airbag shell closest to the restraint strap. An elastic band body is fixedly connected to the other side of the airbag shell. A pressure equalizing rod is fixedly connected inside the elastic band body. An opening groove is formed through the top of the elastic band body. The airbag body is located inside the airbag shell and communicates with the second one-way valve. The opening groove corresponds to the break point of the restraint strap, providing a certain opening and closing space for adjusting pressure or wearing the garment, facilitating operation and adapting to different neck sizes. The pressure equalizing rod within the elastic band body evenly distributes pressure, making the pressure applied by the airbag to the neck more uniform.

[0007] Optionally, the pressure regulating mechanism further includes a first silicone ring, a second silicone ring, a third silicone ring, a vent plate, a first vent hole, and a second vent hole. The first silicone ring is fixedly installed on the side of the elastic band body away from the airbag shell. The top of the first silicone ring is fixedly connected to the second silicone ring, and the bottom of the second silicone ring is fixedly connected to the third silicone ring. The inner side of the third silicone ring is provided with a groove, and the vent plate is fixedly installed inside the groove. The vent plate is provided with a first vent hole on the side near the neck of the human body, and the top of the vent plate is provided with a second vent hole.

[0008] Optionally, the tension dressing assembly includes a dressing base, a positioning block, a third one-way valve, a tension adjusting band, and a dressing body. The dressing base is fixedly installed on the top of the airbag shell via the positioning block. The third one-way valve is fixedly connected to the top of the dressing base. The tension adjusting band is fixedly connected to the top of the dressing base. The dressing body is fixedly connected to the top of the tension adjusting band.

[0009] Optionally, the restraint strap is C-shaped in general, and the inner side of the restraint strap is fixedly connected to multiple airbag shells. The first end of the restraint strap is fixed to one side of the airbag shell, and the end of the restraint strap is fixedly connected to the other side of the same airbag shell by bolts.

[0010] Optionally, the second one-way valve passes through the air inlet and is connected to the airbag body.

[0011] Optionally, the inflated volume of the airbag body is twice the initial volume, the rear half of the airbag body connected to the second one-way valve is fixedly connected to the inside of the airbag shell, and the other half of the airbag body is movably connected to the inside of the airbag shell.

[0012] Optionally, the elastic band body is C-shaped in general, and the position of the tension groove corresponds to the position of the break in the binding band. The elastic band body has elasticity and extensibility, and the extension length is twice its own length.

[0013] Optionally, the top of the airbag body is connected to the third one-way valve via a hose, and the airbag shell has a hole at the corresponding position of the third one-way valve, with a sealing ring provided at the connection between the hole and the hose.

[0014] Optionally, the dressing base is a rigid substrate, and the tension adjustment band is elastic and extensible, with the extension length of the tension adjustment band being twice its own length.

[0015] Optionally, the dressing body is fixedly connected to the human neck by adhesive, and the dressing body is positioned directly above the breathable plate.

[0016] In summary, this application includes the following beneficial technical effects:

[0017] 1. This utility model, through the cooperation of the airbag body and the first one-way valve, can achieve stable pressure regulation. The airbag can expand to twice its initial volume, adapting to different neck pressure requirements and providing appropriate pressure to prevent burn neck scar contracture. The pressure distribution rod allows the pressure generated by the airbag body to be applied more evenly to the neck, avoiding excessive or insufficient local pressure, improving the pressure orthopedic effect, and reducing adverse effects on local neck tissues. The first and second ventilation holes on the ventilation plate ensure breathability of the neck skin when wearing the orthosis, reducing discomfort such as stuffiness and dampness, and lowering the probability of skin problems. The restraint strap is C-shaped and can be flexibly fixed to one side of the main air inlet tube and connected to multiple airbag shells. Its first and last ends can be fixed with bolts, facilitating adjustment according to the patient's neck size and shape, improving the fit and comfort of wearing the device.

[0018] 2. In use, the elastic band body of this invention possesses elasticity and extensibility, further enhancing wearing comfort and adaptability. Furthermore, the opening and closing grooves correspond to the break points of the restraint band, facilitating wearing and adjustment. The first, second, and third silicone rings help improve the overall sealing of the mechanism, ensuring stable airbag pressure, preventing gas leakage, and ensuring accurate and effective pressure regulation. The third one-way valve, on the one hand, allows communication with the airbag body, making pressure regulation more flexible; on the other hand, it controls the gas flow direction and pressure, ensuring pressure balance and stability throughout the entire orthotic system. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the device in the embodiments of this application;

[0020] Figure 2 This is a schematic diagram of a partial structure of the device in an embodiment of this application;

[0021] Figure 3 This is a partial structural diagram of the pressure regulating mechanism in an embodiment of this application;

[0022] Figure 4 This is a schematic diagram of a partial structure installation of the pressure regulating mechanism in an embodiment of this application;

[0023] Figure 5 This is a schematic diagram of the main structure of the tension dressing assembly in the embodiments of this application;

[0024] Figure 6 This is an exploded view of the pressure regulating mechanism components in an embodiment of this application;

[0025] Reference numerals: 1. Main air inlet pipe; 2. First one-way valve; 3. Pressure regulating mechanism; 301. Restraint strap; 302. Second one-way valve; 303. Airbag shell; 304. Air inlet; 305. Elastic band body; 306. Tension groove; 307. Pressure distribution rod; 308. Airbag body; 309. First silicone ring; 310. Second silicone ring; 311. Third silicone ring; 312. Ventilation plate; 313. First vent; 314. Second vent; 4. Tension dressing assembly; 401. Dressing base; 402. Positioning block; 403. Third one-way valve; 404. Tension regulating strap; 405. Dressing body. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0027] This application discloses a pressure orthosis for preventing neck scar contracture caused by burns.

[0028] Please see Figure 1 A pressure orthosis for preventing scar contracture of the neck caused by burns includes a main air inlet pipe 1, a first one-way valve 2 connected to the bottom of the main air inlet pipe 1, the first one-way valve 2 being connected to a micro air pump, a pressure regulating mechanism 3 being provided on one side of the main air inlet pipe 1, and a tension dressing component 4 being provided on the top of the pressure regulating mechanism 3.

[0029] Please see Figures 2 to 6The pressure regulating mechanism 3 includes a restraint strap 301, a second one-way valve 302, an airbag shell 303, an air inlet 304, an elastic band body 305, a tension and opening groove 306, a pressure equalization rod 307, and an airbag body 308. The restraint strap 301 is fixedly connected to one side of the main air intake pipe 1. The second one-way valve 302 is fixedly connected to the side of the restraint strap 301 near the main air intake pipe 1. The airbag shell 303 is fixedly installed on the other side of the restraint strap 301. An air inlet 304 is opened on the side of the airbag shell 303 near the restraint strap 301. The elastic band body 305 is fixedly connected to the other side of the airbag shell 303. The pressure equalization rod 307 is fixedly connected inside the elastic band body 305. The tension and opening groove 306 is opened through the top of the elastic band body 305. The airbag body 308 is provided inside the airbag shell 303. The airbag body 308 is connected to the second one-way valve 302.

[0030] The pressure regulating mechanism 3 also includes a first silicone ring 309, a second silicone ring 310, a third silicone ring 311, a vent plate 312, a first vent hole 313, and a second vent hole 314. The first silicone ring 309 is fixedly installed on the side of the elastic band body 305 away from the airbag shell 303. The top of the first silicone ring 309 is fixedly connected to the second silicone ring 310, and the bottom of the second silicone ring 310 is fixedly connected to the third silicone ring 311. The inner side of the third silicone ring 311 is provided with grooves, and the vent plate 312 is fixedly installed inside the grooves. The vent plate 312 is provided with a first vent hole 313 on the side near the neck of the human body, and the top of the vent plate 312 is provided with a second vent hole 314.

[0031] The tension dressing assembly 4 includes a dressing base 401, a positioning block 402, a third one-way valve 403, a tension adjusting band 404, and a dressing body 405. The dressing base 401 is fixedly installed on the top of the airbag shell 303 via the positioning block 402. The third one-way valve 403 is fixedly connected to the top of the dressing base 401. The tension adjusting band 404 is fixedly connected to the top of the dressing base 401. The dressing body 405 is fixedly connected to the top of the tension adjusting band 404.

[0032] The restraint strap 301 is C-shaped in general, and the inner side of the restraint strap 301 is fixedly connected to multiple airbag shells 303. The first end of the restraint strap 301 is fixed to one side of the airbag shell 303, and the end of the restraint strap 301 is fixedly connected to the other side of the same airbag shell 303 by bolts.

[0033] The second one-way valve 302 passes through the air inlet 304 and is connected to the airbag body 308.

[0034] The inflated volume of the airbag body 308 is twice the initial volume. The rear half of the airbag body 308, which is connected to the second one-way valve 302, is fixedly connected to the inside of the airbag shell 303, while the other half of the airbag body 308 is movably connected to the inside of the airbag shell 303.

[0035] The elastic band body 305 is C-shaped, and the position of the tension groove 306 corresponds to the position of the break of the binding band 301. The elastic band body 305 has elasticity and extensibility, and the extension length is twice its own length.

[0036] The top of the airbag body 308 is connected to the third one-way valve 403 via a hose, and the airbag shell 303 has a hole at the corresponding position of the third one-way valve 403, and a sealing ring is provided at the connection between the hole and the hose.

[0037] The dressing base 401 is a rigid substrate, and the tension adjustment band 404 is elastic and extensible, with the extension length of the tension adjustment band 404 being twice its own length.

[0038] The dressing body 405 is fixedly connected to the human neck by adhesive, and the dressing body 405 is positioned directly above the breathable plate 312.

[0039] Further explanation is needed:

[0040] The pressure regulating mechanism 3 plays a fundamental role in achieving precise pressure control within the entire orthosis. The restraint band 301 is C-shaped and tightly fixed to one side of the main air inlet tube 1. Multiple airbag shells 303 are connected to its inner side and secured at both ends with bolts. This allows for flexible adjustment based on the patient's neck size, ensuring stable wear of the orthosis. The air inlet 304, in conjunction with the second one-way valve 302, allows for a stable flow of gas into the airbag body 308, doubling the initial airbag volume to meet the pressure needs of different patients. The pressure distribution rod 307, installed within the elastic band body 305, is a crucial design element. When the airbag body 308 inflates, the pressure distribution rod 307 evenly distributes the pressure, preventing excessively high or low pressure in certain areas, ensuring uniform force on the neck, and effectively preventing scar contracture. The elasticity and extensibility of the elastic band body 305, along with the tension groove 306 corresponding to the break in the restraint band 301, further enhances wearing comfort and fit, allowing for greater freedom of movement during use.

[0041] The pressure regulating mechanism 3 provides both ventilation and protection: While regulating pressure, the pressure regulating mechanism 3 also considers the health of the patient's neck skin. The breathable plate 312 is fixed to the inside of the airbag shell 303 via a first silicone ring 309, a second silicone ring 310, and a third silicone ring 311. The first ventilation hole 313 and the second ventilation hole 314 on the breathable plate 312 allow for ample airflow, preventing the skin from becoming stuffy and damp due to prolonged pressure, reducing the likelihood of skin infections and other problems, and providing the patient with a more comfortable and healthy wearing experience.

[0042] Tension dressing component 4 provides precise positioning and auxiliary pressure adjustment within the orthosis. The dressing base 401 is securely mounted on top of the airbag shell 303 via a positioning block 402, ensuring the dressing body 405 is accurately positioned directly above the breathable plate 312, allowing pressure to be precisely applied to the neck scar area. A third one-way valve 403 connects to the airbag body 308, enabling flexible pressure adjustment and further optimizing the treatment effect. The elasticity and extensibility of the tension adjustment band 404 allow for real-time tension adjustment based on the dynamic changes in the patient's neck. When the patient's neck moves, the tension adjustment band 404 adapts, ensuring the dressing body 405 remains tightly fitted to the neck, continuously providing stable and effective pressure, thereby enhancing the overall effect of preventing burn neck scar contracture.

[0043] The working principle of the above embodiments is as follows:

[0044] Gas Input: First, the main intake pipe 1 serves as the channel for gas entry and is connected to an external gas source, allowing gas to flow in from the main intake pipe 1. The first one-way valve 2 is connected to the bottom of the main intake pipe 1 and is connected to the micro air pump. It only allows gas to flow unidirectionally from the main intake pipe 1 towards the micro air pump, preventing gas backflow and ensuring that the gas enters the subsequent system stably and unidirectionally.

[0045] Air intake through pressure regulating mechanism 3: Next, gas reaches pressure regulating mechanism 3 through main air intake pipe 1. Restraint strap 301 is fixed to one side of main air intake pipe 1, and a second one-way valve 302 is connected to the side of strap 301 closest to main air intake pipe 1, guiding gas from main air intake pipe 1 into air intake port 304 opened on airbag housing 303. Airbag housing 303 provides protection and support space for airbag body 308, and gas enters airbag body 308 through air intake port 304.

[0046] Pressure Regulation and Distribution: Next, the gas entering the airbag body 308 causes it to inflate, reaching twice its initial volume, thus generating pressure on the neck. A pressure distribution rod 307 is fixed inside the elastic band body 305. The elastic band body 305 is elastic and extensible, assisting in pressure regulation. The pressure distribution rod 307 evenly distributes the pressure generated by the airbag body 308, making the pressure on the neck more uniform and avoiding abnormal local pressure. Simultaneously, the restraint strap 301 is C-shaped and fixed at both ends with bolts, allowing adjustment according to the patient's neck size to ensure a stable fit of the pressure regulation mechanism 3 to the neck.

[0047] Breathability Guarantee: The next step, while regulating pressure, is to ensure breathability for the neck skin. The first silicone ring 309, the second silicone ring 310, and the third silicone ring 311 work together to secure the breathable plate 312 inside the airbag shell 303. The breathable plate 312 has a first ventilation hole 313 on the side closest to the neck and a second ventilation hole 314 penetrating through the top. These ventilation holes allow air to circulate, preventing problems caused by prolonged pressure and lack of breathability on the neck skin.

[0048] Tension dressing assembly 4 in synergy: Finally, tension dressing assembly 4 comes into play. Dressing base 401 is fixed to the top of airbag shell 303 by positioning block 402, ensuring that dressing body 405 is accurately positioned directly above breathable plate 312. Third one-way valve 403 connects airbag body 308 and dressing base 401, allowing for further pressure adjustment. Tension adjustment band 404 is elastic and extensible, adjusting tension in real time according to neck movement to ensure that dressing body 405 fits tightly to the neck. In conjunction with pressure adjustment mechanism 3, it continuously and stably applies pressure to neck scars, achieving the purpose of preventing burn neck scar contracture.

[0049] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A pressure orthosis for preventing scar contracture in the neck caused by burns, comprising a main air intake (1), characterized in that: The bottom of the main air intake pipe (1) is connected to a first one-way valve (2), which is connected to a micro air pump. A pressure regulating mechanism (3) is provided on one side of the main air intake pipe (1), and a tension dressing assembly (4) is provided on the top of the pressure regulating mechanism (3). The pressure regulating mechanism (3) includes a restraint strap (301), a second one-way valve (302), an airbag shell (303), an air inlet (304), an elastic band body (305), an opening and closing groove (306), a pressure equalization rod (307), and an airbag body (308). The restraint strap (301) is fixedly connected to one side of the main air intake pipe (1). The second one-way valve (302) is fixedly connected to the side of the restraint strap (301) near the main air intake pipe (1). The other side of the restraint strap (301) is fixedly installed with... An airbag shell (303) is provided with an air inlet (304) on one side near the restraint band (301). An elastic band body (305) is fixedly connected to the other side of the airbag shell (303). A pressure equalization rod (307) is fixedly connected inside the elastic band body (305). An opening and closing groove (306) is provided through the top of the elastic band body (305). An airbag body (308) is provided inside the airbag shell (303). The airbag body (308) is connected to the second one-way valve (302).

2. The pressure orthosis for preventing neck scar contracture from burns according to claim 1, characterized in that: The pressure regulating mechanism (3) further includes a first silicone ring (309), a second silicone ring (310), a third silicone ring (311), a breathable plate (312), a first breathable hole (313), and a second breathable hole (314). The first silicone ring (309) is fixedly installed on the side of the elastic band body (305) away from the airbag shell (303). The top of the first silicone ring (309) is fixedly connected to the second silicone ring (310), and the bottom of the second silicone ring (310) is fixedly connected to the third silicone ring (311). The inner side of the third silicone ring (311) is provided with a groove, and the breathable plate (312) is fixedly installed inside the groove. The breathable plate (312) is provided with a first breathable hole (313) on the side near the neck of the human body, and the top of the breathable plate (312) is provided with a second breathable hole (314).

3. A pressure orthosis for preventing neck scar contracture from burns, as described in claim 2, characterized in that: The tension dressing assembly (4) includes a dressing base (401), a positioning block (402), a third one-way valve (403), a tension adjusting band (404), and a dressing body (405). The dressing base (401) is fixedly installed on the top of the airbag shell (303) by the positioning block (402). The third one-way valve (403) is fixedly connected to the top of the dressing base (401). The tension adjusting band (404) is fixedly connected to the top of the tension adjusting band (404). The dressing body (405) is fixedly connected to the top of the tension adjusting band (404).

4. A pressure orthosis for preventing neck scar contracture from burns, as described in claim 1, characterized in that: The restraint strap (301) is C-shaped in general, and the inner side of the restraint strap (301) is fixedly connected to multiple airbag shells (303). The first end of the restraint strap (301) is fixed to one side of the airbag shell (303), and the end of the restraint strap (301) is fixedly connected to the other side of the same airbag shell (303) by bolts.

5. A pressure orthosis for preventing neck scar contracture from burns, as described in claim 1, characterized in that: The second one-way valve (302) passes through the air inlet (304) and is connected to the airbag body (308).

6. A pressure orthosis for preventing neck scar contracture from burns, as described in claim 1, characterized in that: The inflated volume of the airbag body (308) is twice the initial volume. The rear half of the airbag body (308) connected to the second one-way valve (302) is fixedly connected to the inside of the airbag shell (303), and the other half of the airbag body (308) is movably connected to the inside of the airbag shell (303).

7. A pressure orthosis for preventing neck scar contracture from burns, as described in claim 1, characterized in that: The elastic band body (305) is C-shaped in general, and the position of the tension groove (306) corresponds to the position of the break of the binding band (301). The elastic band body (305) has elasticity and extensibility, and the extension length is twice its own length.

8. A pressure orthosis for preventing neck scar contracture from burns, as described in claim 1, characterized in that: The top of the airbag body (308) is connected to the third one-way valve (403) via a hose, and the airbag shell (303) has a hole at the corresponding position of the third one-way valve (403), and a sealing ring is provided at the connection between the hole and the hose.

9. A pressure orthosis for preventing neck scar contracture from burns, as described in claim 3, characterized in that: The dressing base (401) is a rigid substrate, and the tension adjustment band (404) is elastic and extensible, and the extension length of the tension adjustment band (404) is twice its own length.

10. A pressure orthosis for preventing neck scar contracture from burns, as described in claim 3, characterized in that: The dressing body (405) is fixedly connected to the human neck by adhesive, and the dressing body (405) is positioned directly above the breathable plate (312).

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