Air cushion for preventing ear bruise after burn and integrated inflation device

By incorporating an exhaust pipe and a heating pipe into the U-shaped air cushion, combined with an integrated inflation device, the problem of air cushions in existing technologies not being able to accelerate airflow is solved, achieving temperature reduction and tissue fluid evaporation, thus improving the patient's user experience and the applicability of the device.

CN223817795UActive Publication Date: 2026-01-23FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA
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Patent Information

Application Number
CN202520064319.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-12
Publication Date
2026-01-23
Estimated Expiration
2035-01-12

AI Technical Summary

Technical Problem

Existing U-shaped air cushions do not accelerate airflow to the affected area during use, leading to increased ear temperature and tissue fluid leakage in burn patients, thus reducing their experience.

Method used

An air cushion designed to prevent ear pressure injuries after burns includes a U-shaped air cushion, first and second flexible frames, equipped with an exhaust pipe and exhaust vent, and an integrated inflation device including a blower, heating element and tee connector. The exhaust vent and heating element accelerate airflow, promote tissue fluid evaporation and temperature reduction.

Benefits of technology

It accelerates airflow to the affected area, lowers the temperature, and promotes tissue fluid evaporation, improving the patient's user experience, enhancing the support strength and fixation effect of the air cushion, and adapting to the needs of patients with different head circumferences.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air cushion and an integrated inflation device for preventing ear bruise after burn, and relates to the technical field of medical auxiliary instruments, the air cushion for preventing ear bruise after burn comprises a U-shaped air cushion and further comprises a first flexible framework, the first flexible framework is fixed at the top in the U-shaped air cushion along the ridge line of the upper end in the U-shaped air cushion, and the first flexible framework is fixed at the top of the U-shaped air cushion along the ridge line of the lower end in the U-shaped air cushion. The first flexible framework is of a tubular structure, an exhaust pipe is installed on the first flexible framework, and the upper end of the exhaust pipe penetrates through the U-shaped air cushion and is provided with an exhaust hole. Air is blown around an affected part of a patient through the exhaust pipe and the exhaust holes so as to accelerate airflow flowing of the affected part, the temperature of the affected part can be reduced, volatilization of interstitial fluid of the affected part can be accelerated, the experience feeling of the patient is improved, and the inner space of the U-shaped air cushion is supported through cooperation of the first flexible framework and the second flexible framework. Therefore, the supporting strength of the U-shaped air cushion is improved.
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Description

Technical Field

[0001] This utility model relates to the field of medical auxiliary equipment technology, specifically an air cushion and an integrated inflation device for preventing ear pressure injuries after burns. Background Technology

[0002] Generally, it refers to tissue damage caused by heat, including hot liquids (water, soup, oil, etc.), steam, high-temperature gases, flames, incandescent liquid or solid metals (such as molten steel, steel ingots), strong radioactive radiation, etc. It mainly refers to the skin and / or mucous membranes. In severe cases, it can also damage subcutaneous and / or submucosal tissues, such as muscles, bones, joints, and even internal organs. After burns to the ears, air cushions are usually used to protect the ears in order to avoid further pressure injuries.

[0003] Chinese patent CN217525648U discloses a U-shaped air cushion for preventing ear pressure injuries after burns. The device, through the setting of a fastening structure, fastening rope and connecting structure, makes it easy to deform the air cushion, thereby changing the applicable size and making it suitable for patients with different head circumferences. The structure is reasonable and easy to adjust quickly, which greatly expands the scope of application in actual use and improves its practicality.

[0004] However, burn patients' skin is prone to oozing tissue fluid during the recovery process, and the surface temperature of the skin tissue rises. Existing U-shaped air cushions do not have the effect of accelerating airflow to the affected area during use, thus reducing the patient's experience. Utility Model Content

[0005] This invention provides an air cushion and an integrated inflation device for preventing ear pressure injuries after burns, in order to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an air cushion for preventing ear pressure injuries after burns, comprising a U-shaped air cushion and a first flexible frame, wherein the first flexible frame is fixed to the top of the U-shaped air cushion along the upper ridge line of the inner end of the U-shaped air cushion, the first flexible frame is a tubular structure, and an exhaust pipe is installed on the first flexible frame, the upper end of the exhaust pipe penetrating the U-shaped air cushion and having an exhaust hole; and a second flexible frame, wherein the second flexible frame is fixed to the bottom of the U-shaped air cushion along the lower ridge line of the inner end of the U-shaped air cushion.

[0007] As a preferred technical solution of this utility model, the upper surface of the U-shaped air cushion is raised upward near both ends to form a protrusion, and the lower surface of the U-shaped air cushion is provided with a recess below the protrusion, the recess fitting the patient's shoulder.

[0008] As a preferred technical solution of this utility model, the upper surface of the U-shaped air cushion is provided with a headrest part at the middle curved part, and the lower surface of the U-shaped air cushion is provided with a neck pad part at the position opposite to the headrest part.

[0009] As a preferred embodiment of this utility model, the surface of the U-shaped air cushion is provided with felt, and anti-detachment convex pads are provided on the outer sides of the U-shaped air cushion near both ends to prevent the U-shaped air cushion from detaching from the patient's neck.

[0010] As a preferred embodiment of this utility model, both the first flexible skeleton and the second flexible skeleton are tubular structures made of rubber. A connecting pipe is also installed on the first flexible skeleton, and the connecting pipe is used to input airflow into the interior of the first flexible skeleton.

[0011] This utility model also provides an integrated inflation device for use as an air cushion to prevent ear pressure injuries after burns. It includes an equipment box fixed to the back of a U-shaped air cushion, a blower fixed to the equipment box, and a heating tube connected to the output end of the equipment box; a three-way connector installed at the other end of the heating tube, one port of which is connected to a connecting pipe, and the other port of which is fitted with an inflation tube for injecting air into the U-shaped air cushion; and a three-way valve installed on the three-way connector for connecting the heating tube to the inflation tube or the connecting pipe.

[0012] As a preferred embodiment of this utility model, an electric heating element is installed inside the heating tube, and the electric heating element is fixed inside the heating tube in a spiral shape.

[0013] As a preferred embodiment of this utility model, a storage battery is installed inside the equipment box, and a controller is provided at the output end of the storage battery. The signal output end of the controller is electrically connected to the blower and the heating element, respectively.

[0014] As a preferred technical solution of this utility model, an inflation connector is fixed on one side of the equipment box, one end of the inflation connector extends into the U-shaped air cushion, and the other end of the inflation connector is provided with a detachable sealing cap.

[0015] As a preferred embodiment of this utility model, the equipment box and the U-shaped air cushion are connected by adhesive bonding, and a sealing gasket is provided at the connection between the equipment box and the U-shaped air cushion.

[0016] Compared with the prior art, this utility model provides an air cushion and an integrated inflation device for preventing ear pressure injuries after burns, which has the following beneficial effects:

[0017] 1. This air cushion and integrated inflation device for preventing ear pressure injuries after burns blow air around the patient's affected area through the exhaust pipe and exhaust hole to accelerate the airflow effect, which can reduce the temperature of the affected area and accelerate the evaporation of tissue fluid, thus improving the patient's experience. The cooperation between the first and second flexible skeletons supports the internal space of the U-shaped air cushion, thereby improving the support strength of the U-shaped air cushion.

[0018] 2. The air cushion and integrated inflation device for preventing ear pressure injuries after burns connect the heating tube to the inflation tube or the connecting tube via a three-way connector and a three-way valve. This facilitates the inflation of the U-shaped air cushion 1 or the introduction of air into the connecting tube, thereby increasing the airflow speed around the U-shaped air cushion. This helps to accelerate heat dissipation and tissue fluid evaporation at the patient's affected area, improving the patient's experience. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the U-shaped air cushion structure in this utility model;

[0020] Figure 2 In this utility model Figure 1 Another perspective view;

[0021] Figure 3 This is a side view of the U-shaped air cushion of this utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the U-shaped air cushion in this utility model;

[0023] Figure 5 This is a schematic diagram of the installation structure of the exhaust pipe in this utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the second flexible skeleton in this utility model;

[0025] Figure 7 This is a schematic diagram of the heating element in this utility model.

[0026] In the diagram: 1. U-shaped air cushion; 2. Recessed part; 3. Raised part; 4. Anti-detachment raised pad; 5. Equipment box; 6. Vent hole; 7. Headrest part; 8. Neck pad part; 9. Blower; 10. Inflation connector; 11. Inflation pipe; 12. Connecting pipe; 13. First flexible frame; 14. Second flexible frame; 15. Vent pipe; 16. Heating element; 17. T-connector; 18. Electric heating element; 19. Three-way valve. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1 - Figure 6This utility model discloses an air cushion for preventing ear pressure injuries after burns, including a U-shaped air cushion 1 and a first flexible frame 13. The first flexible frame 13 is fixed to the top of the U-shaped air cushion 1 along the ridge line of the upper end of the U-shaped air cushion 1. The first flexible frame 13 has a tubular structure and is equipped with an exhaust pipe 15. The upper end of the exhaust pipe 15 passes through the U-shaped air cushion 1 and is provided with an exhaust hole 6. The exhaust pipe 15 and the exhaust hole 6 blow air around the patient's affected area to accelerate the airflow effect of the affected area, which can reduce the temperature of the affected area and accelerate the evaporation of tissue fluid in the affected area, thereby improving the patient's experience.

[0029] The air cushion for preventing ear pressure injuries after burns provided in this embodiment also includes a second flexible skeleton 14. The second flexible skeleton 14 is fixed to the bottom of the U-shaped air cushion 1 along the ridge line at the lower end of the U-shaped air cushion 1. Through the cooperation between the first flexible skeleton 13 and the second flexible skeleton 14, the internal space of the U-shaped air cushion 1 is supported, thereby improving the support strength of the U-shaped air cushion 1.

[0030] like Figure 1 - Figure 3 As shown, in order to improve the fit of the U-shaped air cushion 1 during use, the upper surface of the U-shaped air cushion 1 provided in this embodiment is raised upward near both ends to form a protrusion 3. The protrusion 3 fits against the patient's chin to support the chin, thereby preventing the patient from bending over and causing the affected area to be pulled, which helps to prevent the affected area from being pulled and torn, and improves the practicality of the device during use. In addition, the lower surface of the U-shaped air cushion 1 is provided with a recess 2 below the protrusion 3. The recess 2 fits against the patient's shoulder to improve the fixation effect of the U-shaped air cushion 1 during use.

[0031] like Figure 1 - Figure 3 As shown, in order to improve the comfort of using the U-shaped air cushion 1, the upper surface of the U-shaped air cushion 1 provided in this embodiment is provided with a headrest 7 at the middle curved part. The headrest 7 is integrally formed with the U-shaped air cushion 1, and the upper surface of the headrest 7 is a sloping structure with its sloping direction facing the opening of the U-shaped air cushion 1, so as to support the patient's head. In addition, a neck pad 8 is provided on the lower surface of the U-shaped air cushion 1 at a position opposite to the headrest 7. The neck pad 8 is integrally formed with the U-shaped air cushion 1, and the lower surface of the neck pad 8 is a sloping structure with its sloping direction facing the opening of the U-shaped air cushion 1, so as to fit the patient's shoulders and neck, thereby improving the patient's comfort when using it.

[0032] In addition, silicone bumps can be provided on the inside of the U-shaped air cushion 1 where it fits against the patient's neck, thereby improving the comfort of using the U-shaped air cushion 1.

[0033] like Figure 1 - Figure 3As shown, the U-shaped air cushion 1 provided in this embodiment has felt on its surface, and anti-detachment convex pads 4 are provided on the outer side of the U-shaped air cushion 1 near both ends to prevent the U-shaped air cushion 1 from detaching from the patient's neck.

[0034] like Figure 4 - Figure 6 As shown, the first flexible skeleton 13 and the second flexible skeleton 14 provided in this embodiment are both tubular structures made of rubber. A connecting pipe 12 is also installed on the first flexible skeleton 13. The connecting pipe 12 is used to input airflow into the first flexible skeleton 13. Optionally, a sterilization bottle is installed on the connecting pipe 12. The sterilization bottle is used to sterilize the airflow input from the connecting pipe 12 to the first flexible skeleton 13, thereby preventing bacterial contamination of the affected area when the airflow speed is fast.

[0035] Please see Figure 1 - Figure 7 This utility model also discloses an integrated inflation device for inflating an air cushion to prevent ear pressure injury after burns. It includes an equipment box 5, which is fixed to the back of the U-shaped air cushion 1, and a blower 9, which is fixed to the equipment box 5. The output end of the equipment box 5 is connected to a heating tube 16.

[0036] The integrated inflation device provided in this embodiment also includes a three-way connector 17, which is installed at the other end of the heating tube 16. One port of the three-way connector 17 is connected to the connecting tube 12 to allow air to enter the connecting tube 12, thereby increasing the airflow speed around the U-shaped air cushion 1. This is beneficial for accelerating heat dissipation and tissue fluid evaporation at the patient's affected area, improving the patient's experience. The other port of the three-way connector 17 is equipped with an inflation tube 11, which is used to inject air into the U-shaped air cushion 1, thereby facilitating the inflation of the U-shaped air cushion. The pad 1 is inflated. To control the output direction of the three-way connector 17, a three-way valve 19 is also installed on the three-way connector 17 to connect the heating tube 16 with the inflation tube 11 or the connecting tube 12. By connecting the heating tube 16 with the inflation tube 11 or the heating tube 16 with the connecting tube 12 through the three-way connector 17 and the three-way valve 19, it is easier to inflate the U-shaped air pad 1 or to input air into the connecting tube 12, so that the airflow speed around the U-shaped air pad 1 is accelerated, which helps to accelerate heat dissipation and tissue fluid evaporation at the patient's affected area and improve the patient's experience.

[0037] like Figure 7 As shown, to improve the user experience of the U-shaped air cushion 1 in cold weather, an electric heating tube 18 is installed inside the heating tube 16. The electric heating tube 18 is fixed inside the heating tube 16 in a spiral shape. The electric heating tube 18 is used to heat the gas passing through the heating tube 16, thereby increasing the temperature of the gas injected into the U-shaped air cushion 1, thus increasing the temperature of the U-shaped air cushion 1 and improving the user experience of the U-shaped air cushion 1 in cold weather.

[0038] like Figure 3, Figure 4 , Figure 5 and Figure 7 As shown, in order to power the blower 9 and the heating element 18, a storage battery is installed in the equipment box 5. The output end of the storage battery is equipped with a controller. The signal output end of the controller is electrically connected to the blower 9 and the heating element 18 respectively, thereby controlling the working status of the blower 9 and the heating element 18 respectively.

[0039] like Figure 4 As shown, in order to realize the manual inflation of the U-shaped air cushion 1, an inflation connector 10 is fixed on one side of the equipment box 5 provided in this embodiment. One end of the inflation connector 10 extends into the interior of the U-shaped air cushion 1, and the other end of the inflation connector 10 is provided with a detachable sealing cap. The U-shaped air cushion 1 can be manually inflated and deflated through the inflation connector 10.

[0040] like Figure 1 - Figure 4 As shown, in order to fix the equipment box 5, the equipment box 5 and the U-shaped air cushion 1 are connected by adhesive bonding, and a sealing gasket is provided at the connection between the equipment box 5 and the U-shaped air cushion 1 to improve the sealing effect at the connection between the equipment box 5 and the U-shaped air cushion 1.

[0041] The working principle and usage process of this utility model are as follows: In use, the heating tube 16 and the air filling tube 11 are connected through the three-way connector 17 and the three-way valve 19. The blower 9 is started to allow external air to enter the heating tube 16. The gas inside the heating tube 16 is heated by the electric heating tube 18, thereby increasing the temperature of the gas injected into the U-shaped air cushion 1. This improves the user experience of the U-shaped air cushion 1 in cold weather. The heating tube 16 and the connecting tube 12 are connected through the three-way connector 17 and the three-way valve 19, thereby allowing air to enter the connecting tube 12. Air is blown around the patient's affected area through the exhaust pipe 15 and the exhaust hole 6 to accelerate the airflow effect of the affected area. This can both reduce the temperature of the affected area and accelerate the evaporation of tissue fluid, thus improving the patient's experience.

[0042] It should be noted that, in this document, terms such as "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air cushion for preventing ear pressure injuries after burns, comprising a U-shaped air cushion (1), characterized in that, Also includes: The first flexible frame (13) is fixed to the top of the U-shaped air cushion (1) along the upper ridge line of the U-shaped air cushion (1). The first flexible frame (13) is a tubular structure and an exhaust pipe (15) is installed on the first flexible frame (13). The upper end of the exhaust pipe (15) passes through the U-shaped air cushion (1) and is provided with an exhaust hole (6). The second flexible skeleton (14) is fixed to the bottom of the U-shaped air cushion (1) along the ridge line at the lower end of the U-shaped air cushion (1).

2. The air cushion for preventing ear pressure injuries after burns according to claim 1, characterized in that: The upper surface of the U-shaped air cushion (1) is raised upward near both ends to form a protrusion (3), and the lower surface of the U-shaped air cushion (1) is provided with a recess (2) below the protrusion (3), and the recess (2) fits against the patient's shoulder.

3. The air cushion for preventing ear pressure injuries after burns according to claim 2, characterized in that: The upper surface of the U-shaped air cushion (1) is provided with a headrest (7) at the middle curved part, and the lower surface of the U-shaped air cushion (1) is provided with a neck pad (8) at the position opposite to the headrest (7).

4. An air cushion for preventing ear pressure injuries after burns, as described in claim 3, characterized in that: The surface of the U-shaped air cushion (1) is covered with felt, and anti-detachment convex pads (4) are provided on the outer side of the U-shaped air cushion (1) near both ends to prevent the U-shaped air cushion (1) from detaching from the patient's neck.

5. An air cushion for preventing ear pressure injuries after burns according to any one of claims 1-4, characterized in that: Both the first flexible skeleton (13) and the second flexible skeleton (14) are tubular structures made of rubber. A connecting pipe (12) is also installed on the first flexible skeleton (13), and the connecting pipe (12) is used to input airflow into the first flexible skeleton (13).

6. An integrated inflatable device, used in the air cushion for preventing ear pressure injuries after burns as described in claim 5, characterized in that, The equipment includes a housing (5) fixed to the back of the U-shaped air cushion (1), and also includes: Blower (9), the blower (9) is fixed on the equipment box (5), and the output end of the equipment box (5) is connected to a heating tube (16); A three-way connector (17) is installed at the other end of the heating tube (16). One of the interfaces of the three-way connector (17) is connected to the connecting tube (12), and the other interface of the three-way connector (17) is equipped with an inflation tube (11). The inflation tube (11) is used to inject air into the U-shaped air cushion (1). A three-way valve (19) is also installed on the three-way connector (17) to connect the heating tube (16) with the inflation tube (11) or the connecting tube (12).

7. The integrated inflation device according to claim 6, characterized in that: The heating tube (16) is equipped with an electric heating tube (18), which is fixed inside the heating tube (16) in a spiral shape.

8. The integrated inflation device according to claim 7, characterized in that: The equipment box (5) is equipped with a storage battery. The output end of the storage battery is equipped with a controller. The signal output end of the controller is electrically connected to the blower (9) and the electric heating tube (18).

9. The integrated inflation device according to claim 8, characterized in that: An inflation connector (10) is fixed on one side of the equipment box (5). One end of the inflation connector (10) extends into the U-shaped air cushion (1), and the other end of the inflation connector (10) is provided with a removable sealing cap.

10. An integrated inflation device according to any one of claims 6-9, characterized in that: The equipment box (5) and the U-shaped air cushion (1) are connected by adhesive bonding, and a sealing gasket is provided at the connection between the equipment box (5) and the U-shaped air cushion (1).

Citation Information

Patent Citations

  • U-shaped air cushion for preventing ear bruise after burn

    CN217525648U