A hard air bag tourniquet

By incorporating a hard plastic lining into the tourniquet and using the airbag to generate pressure, the secondary injury problem of the existing tourniquet to fractures or bone injuries during the binding process is solved, and a better bone fixation effect is achieved.

CN222737942UActive Publication Date: 2025-04-11TIANTAI COUNTY SHENGTENGYUN MEDICAL SUPPLIES MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421130518.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-04-11
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

During the binding process, existing tourniquets are prone to further damage to limbs with fractures or bone injuries, and lack effective bone fixation structure.

Method used

A hard airbag tourniquet is designed with a built-in hard plastic lining with a Shore hardness of 50HD-60HD. After wrapping and tightening the belt, the airbag generates pressure to fix the bone tissue.

Benefits of technology

Effectively fix bone tissue to prevent secondary damage to fractures or bone injuries, and at the same time, it does not hinder the wrapping and tightening function of the tourniquet.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of medical devices, and relates to a hard airbag tourniquet, including a belt body, a barbed buckle, a wool buckle and an inflation nozzle, an airbag cavity connected to the inflation nozzle is formed in the belt body, and the inflation nozzle is connected to an air supply device through an air tube, and the belt body includes an upper cloth layer, a lining plate, a middle cloth layer and a lower cloth layer arranged in sequence, and the upper cloth layer, the middle cloth layer and the lower cloth layer are sewn and fixed, and the middle cloth layer and the lower cloth layer are pressed together at the periphery to form the airbag cavity, and an installation cavity for accommodating the lining plate is formed between the upper cloth layer and the middle cloth layer, and the lining plate is a hard plastic plate with a Shore hardness of 50HD-60HD, and the lining plate is composed of a first lining plate and a second lining plate, and the first lining plate and the second lining plate are distributed on the left and right sides of the belt body along the length direction of the belt body and leave a gap. The hard airbag tourniquet provided by the utility model can better fix bone tissue during hemostasis and prevent secondary damage to fractures or bone injuries.
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Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment and relates to a hard airbag tourniquet. Background Art

[0002] A tourniquet is an essential device for orthopedic limb surgery and emergency treatment of limb vascular injuries. When in use, the tourniquet is generally wrapped around the limbs, and then the air bag inside the tourniquet is inflated to obtain pressure. When the pressure is sufficient, the blood flow can be stopped. When in use, the tourniquet needs to be tied as tightly as possible. During the tying process, it is easy to cause further damage to the limbs with fractures or bone injuries. Therefore, it is necessary to add a structure in the tourniquet that can fix the bones. Utility Model Content

[0003] The utility model aims at the deficiencies of the prior art and provides a hard air bag type tourniquet, which can better fix bone tissue during hemostasis and prevent secondary damage to fractures or bone injuries.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions:

[0005] A hard airbag tourniquet comprises a belt body, a barbed buckle, a wool buckle and an inflation nozzle, an airbag cavity connected to the inflation nozzle is formed in the belt body, and the inflation nozzle is connected to an air supply device through an air pipe, the belt body comprises an upper cloth layer, a lining plate, a middle cloth layer and a lower cloth layer arranged in sequence, the upper cloth layer, the middle cloth layer and the lower cloth layer are sewn and fixed, the airbag cavity is formed after the outer periphery of the middle cloth layer and the lower cloth layer are pressed together, and an installation cavity for accommodating the lining plate is formed between the upper cloth layer and the middle cloth layer, the lining plate is a hard plastic plate with a Shore hardness of 50HD-60HD, and the lining plate consists of a first lining plate and a second lining plate, and the first lining plate and the second lining plate are distributed on the left and right sides of the belt body along the length direction of the belt body with a gap left therebetween.

[0006] In the above-mentioned hard airbag tourniquet, the upper fabric layer, the middle fabric layer and the lower fabric layer are fixed by hemming and sewing.

[0007] In the above-mentioned hard airbag tourniquet, the first lining plate and the second lining plate have the same specifications, and the same specifications refer to that the first lining plate and the second lining plate have the same hardness specifications and size specifications.

[0008] In the above-mentioned hard airbag tourniquet, the first lining plate and the second lining plate are symmetrically arranged with the midline of the gap between them as the symmetry axis, and the first lining plate and the second lining plate are folded along the gap to form a storage state.

[0009] In the above-mentioned hard airbag tourniquet, the hair button and the thorn button are fixed on the upper cloth layer with a gap, the inflation nozzle is arranged between the hair button and the thorn button, the upper cloth layer and the middle cloth layer are respectively provided with a first through hole and a second through hole for the inflation nozzle to pass through, the end of the first lining plate is provided with an open avoidance groove cooperating with the inflation nozzle, and the air outlet of the inflation nozzle is arranged between the middle cloth layer and the lower cloth layer.

[0010] In the above-mentioned hard airbag tourniquet, a reinforcing plate is provided between the first lining plate and the upper fabric layer, the reinforcing plate is provided with a third through hole for the inflation nozzle to pass through, and the reinforcing plate is fixedly connected to the upper fabric layer by pressing. Preferably, the size of the reinforcing plate is larger than the base size of the inflation nozzle.

[0011] In the above-mentioned hard airbag tourniquet, the upper fabric layer, the middle fabric layer and the lower fabric layer are made of nylon TPU laminated fabric, and the first lining plate and the second lining plate are made of PE material.

[0012] In the above-mentioned hard airbag tourniquet, the belt body is in an arc-shaped structure, and its two side edges along the transverse direction are parallel arc-shaped edges. Further, the hair buckle, thorn buckle, upper fabric layer, first lining plate, second lining plate, middle fabric layer and lower fabric layer are all in the same arc-shaped structure.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model provides a hard airbag tourniquet, which can play the role of a fixing plate to a certain extent through the built-in hard lining plate, and can better fix the bone tissue during hemostasis to prevent secondary damage to the fracture or bone injury. The utility model adopts a hard plastic plate with a Shore hardness of 50HD-60HD, which can effectively fix the injury without hindering the winding and tightening function of the tourniquet.

[0015] 2. The liner of the utility model adopts a split structure, which is composed of a first liner and a second liner. Traditional tourniquets are stored and packaged by winding. When a hard liner is used, the tourniquet can no longer be wound into a small roll. Therefore, the utility model adopts a split liner, which can be folded to reduce the volume when stored and packaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural explosion diagram of the utility model;

[0018] Figure numerals: 1. belt body; 2. thorn buckle; 3. wool buckle; 4. inflation nozzle; 5. upper cloth layer; 6. middle cloth layer; 7. lower cloth layer; 8. first lining plate; 9. second lining plate; 10. first through hole; 11. second through hole; 12. opening avoidance groove; 13. reinforcement plate; 14. third through hole. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the accompanying drawings. Figure 1-2 :

[0020] A hard airbag tourniquet, comprising a belt body 1, a barbed buckle 2, a hair buckle 3 and an inflation nozzle 4, an airbag cavity connected to the inflation nozzle 4 is formed in the belt body 1, and the inflation nozzle 4 is connected to an air supply device through an air pipe. The belt body 1 comprises an upper cloth layer 5, a lining plate, a middle cloth layer 6 and a lower cloth layer 7 arranged in sequence, the upper cloth layer 5, the middle cloth layer 6 and the lower cloth layer 7 are sewn and fixed, and the airbag cavity is formed after the outer periphery of the middle cloth layer 6 and the lower cloth layer 7 are pressed together, and an installation cavity for accommodating the lining plate is formed between the upper cloth layer 5 and the middle cloth layer 6, the lining plate is a hard plastic plate with a Shore hardness of 50HD-60HD, and the lining plate is composed of a first lining plate 8 and a second lining plate 9, and the first lining plate 8 and the second lining plate 9 are distributed on the left and right sides of the belt body 1 along the length direction of the belt body 1 with a gap left.

[0021] When in use, the belt body 1 is wrapped and tied to the limbs using the barbed buckle 2 and the wool buckle 3, and then the air is filled into the airbag cavity through the blowing nozzle to a certain pressure, thereby achieving the effect of hemostasis. During use, since the first lining plate 8 and the second lining plate 9 have considerable hardness, they can act as fixing plates after being tied, effectively fixing the injured part, and preventing secondary injury to the fracture or bone injury.

[0022] Preferably, the upper fabric layer 5, the middle fabric layer 6 and the lower fabric layer 7 are fixed by hemming and sewing.

[0023] In this embodiment, the pressing is performed by heat pressing or ultrasonic pressing.

[0024] The first lining plate 8 and the second lining plate 9 have the same specifications, and the same specifications refer to that the first lining plate 8 and the second lining plate 9 have the same hardness specifications and size specifications.

[0025] The first liner 8 and the second liner 9 are symmetrically arranged with the midline of the gap between them as the symmetry axis, and the first liner 8 and the second liner 9 are folded along the gap to form a storage state. Since the present embodiment adopts a hard liner, it is impossible to store and package it by conventional winding. Therefore, the above structure can be used for storage and packaging by folding.

[0026] In this embodiment, the inflation nozzle 4 is arranged as follows: the hair button 3 and the thorn button 2 are fixed on the upper cloth layer 5 with a gap, the inflation nozzle 4 is arranged between the hair button 3 and the thorn button 2, the upper cloth layer 5 and the middle cloth layer 6 are respectively provided with a first through hole 10 and a second through hole 11 for the inflation nozzle 4 to pass through, the end of the first lining plate 8 is provided with an open avoidance groove 12 cooperating with the inflation nozzle 4, and the air outlet of the inflation nozzle 4 is arranged between the middle cloth layer 6 and the lower cloth layer 7.

[0027] In order to enhance the installation strength of the inflation nozzle 4, a reinforcing plate 13 is provided between the first lining plate 8 and the upper fabric layer 5, and a third through hole 14 is provided on the reinforcing plate 13 for the inflation nozzle 4 to pass through, and the reinforcing plate 13 is fixedly connected to the upper fabric layer 5 by pressing. Preferably, the size of the reinforcing plate 13 is larger than the base size of the inflation nozzle 4.

[0028] In this embodiment, the upper fabric layer 5, the middle fabric layer 6 and the lower fabric layer 7 are made of nylon TPU laminated fabric, and the first lining plate 8 and the second lining plate 9 are made of PE material.

[0029] In order to make the tourniquet fit the curve of the limbs better, the belt body 1 is an arc-shaped structure, and its two side edges along the transverse direction are parallel arc-shaped edges. Further, the hair buckle 3, the thorn buckle 2, the upper fabric layer 5, the first lining plate 8, the second lining plate 9, the middle fabric layer 6 and the lower fabric layer 7 are all of the same arc-shaped structure.

[0030] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hard airbag tourniquet, comprising a belt body (1), a barbed buckle (2), a hair buckle (3) and an inflation nozzle (4), wherein an airbag cavity connected to the inflation nozzle (4) is formed in the belt body (1), and the inflation nozzle (4) is connected to an air supply device through an air pipe, characterized in that: The belt body (1) comprises an upper cloth layer (5), a lining plate, a middle cloth layer (6) and a lower cloth layer (7) which are arranged in sequence. The upper cloth layer (5), the middle cloth layer (6) and the lower cloth layer (7) are sewn and fixed. The middle cloth layer (6) and the lower cloth layer (7) are pressed together at their outer peripheries to form the airbag cavity. An installation cavity for accommodating the lining plate is formed between the upper cloth layer (5) and the middle cloth layer (6). The lining plate is a hard plastic plate with a Shore hardness of 50HD-60HD. The lining plate consists of a first lining plate (8) and a second lining plate (9). The first lining plate (8) and the second lining plate (9) are distributed on the left and right sides of the belt body (1) along the length direction of the belt body (1) with a gap left therebetween.

2. A hard airbag tourniquet according to claim 1, characterized in that: The first lining plate (8) and the second lining plate (9) have the same specifications.

3. A hard airbag tourniquet according to claim 2, characterized in that: The first lining plate (8) and the second lining plate (9) are symmetrically arranged with the midline of the gap between them as the symmetry axis. The first lining plate (8) and the second lining plate (9) are folded along the gap to form a storage state.

4. A hard airbag tourniquet according to claim 1, characterized in that: The hair button (3) and the thorn button (2) are fixed to the upper fabric layer (5) with a gap, the inflation nozzle (4) is arranged between the hair button (3) and the thorn button (2), the upper fabric layer (5) and the middle fabric layer (6) are respectively provided with a first through hole (10) and a second through hole (11) for the inflation nozzle to pass through, the end of the first lining plate (8) is provided with an open avoidance groove (12) cooperating with the inflation nozzle (4), and the air outlet of the inflation nozzle (4) is arranged between the middle fabric layer (6) and the lower fabric layer (7).

5. A hard airbag tourniquet according to claim 4, characterized in that: A reinforcing plate (13) is provided between the first lining plate (8) and the upper fabric layer (5), the reinforcing plate (13) being provided with a third through hole (14) for the inflation nozzle (4) to pass through, and the reinforcing plate (13) is fixedly connected to the upper fabric layer (5) by means of pressing.

6. A hard airbag tourniquet according to claim 1, characterized in that: The upper fabric layer (5), the middle fabric layer (6) and the lower fabric layer (7) are made of nylon TPU laminated fabric, and the first lining plate (8) and the second lining plate (9) are made of PE material.

7. A hard airbag tourniquet according to claim 1, characterized in that: The belt body (1) is an arc-shaped structure, and its two side edges along the transverse direction are parallel arc-shaped edges.