Fastening device for tourniquet

By designing a tourniquet fastening device with two locking bands and a reset mechanism, the problem of complex operation of existing devices is solved, enabling rapid and safe fixation and adjustment of the tourniquet, and improving operational efficiency in emergency situations.

CN224099406UActive Publication Date: 2026-04-10TIANJIN LIYUAN MEDICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIANJIN LIYUAN MEDICAL TECH CO LTD
Filing Date
2024-12-25
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing tourniquet fastening devices are complex in design, which can easily lead to improper operation or delays, affecting hemostasis efficiency.

Method used

The design incorporates two locking bands, multiple fastening mechanisms, and a reset mechanism, including a fixed housing, toothed blocks, a guide structure, and a positioning sleeve. Through the engagement of the toothed blocks with the locking bands and the automatic reset of the reset spring, the tourniquet is securely fixed, preventing loosening, and can be operated with one hand.

Benefits of technology

It improves the efficiency and safety of tourniquet operation, reduces jamming and misoperation, and ensures rapid response in emergency situations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fastening device for a tourniquet. The fastening device for the tourniquet comprises two connecting structures, two locking belts and a plurality of fastening mechanisms. The two locking belts are arranged in parallel, the end part of each locking belt is correspondingly provided with a connecting structure, and the connecting structures are used for connecting tourniquets; the multiple fastening mechanisms are arranged on the two locking belts in an arrayed mode and used for achieving connection and fixation of the two locking belts. The fastening mechanism comprises a fixed shell, a reset mechanism, a guide structure, a positioning sleeve, a locking mechanism and two tooth-shaped blocks. According to the fastening device for the tourniquet, the problem that due to the fact that the fastening device for the tourniquet in the related technology is complex in design, misoperation or delay is prone to being caused is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of medical apparatus and instruments, especially relates to a fastening device for tourniquet. BACKGROUND

[0002] Tourniquet is a medical device used to control severe bleeding, usually used in emergency and battlefield environments. When traditional direct pressure hemostasis method cannot effectively control bleeding, tourniquet can temporarily block blood flow to the injured part by compressing the artery of the limb, thereby reducing blood loss and protecting the life of the injured person. The fastening device helps to fix the tourniquet in the right place to prevent it from slipping or loosening, so as to maintain the continuous compression effect. Through the fastening device, the pressure exerted by the tourniquet can be adjusted as needed, so that it can effectively stop bleeding without causing excessive damage to the limb. A well-designed fastening device should facilitate quick operation, allowing the user to complete the application and adjustment of the tourniquet in the shortest time. The fastening device of the tourniquet in the related art is designed to be relatively complex, which can easily lead to improper operation or delay. SUMMARY

[0003] Therefore, the utility model aims at solving one of the problems in the related art at least to some extent.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A fastening device for tourniquet, comprising two connecting structures, two locking belts and a plurality of fastening mechanisms;

[0006] The two locking belts are arranged side by side, and one connecting structure is arranged at the end of each locking belt, which is used to connect the tourniquet;

[0007] A plurality of fastening mechanisms are arranged on the two locking belts, which are used to realize the connection and fixation of the two locking belts;

[0008] The fastening mechanism comprises a fixed shell, a reset mechanism, a guide structure, a positioning sleeve, a locking mechanism and two tooth-shaped blocks. The inside of the fixed shell is hollow, and the two locking belts are symmetrically arranged on the inner side of the fixed shell. The inner side surface of each locking belt is provided with a tooth-shaped structure, and the two tooth-shaped blocks are symmetrically arranged on the inner side of the fixed shell. Each tooth-shaped block is opposite to one locking belt, and the locking mechanism is used to push the tooth-shaped block and the locking belt to engage. The two tooth-shaped blocks are slidably connected with the fixed shell through the guide structure, and the two tooth-shaped blocks are connected through the reset mechanism. The positioning sleeve is arranged on the upper end surface of the fixed shell, and the positioning sleeve is threadedly connected with the outer wall of the locking mechanism.

[0009] Further, the locking mechanism is a positioning clamping pin.

[0010] Further, the guide structure comprises two T-shaped guide rails, and each tooth-shaped block is uniformly and slidingly fitted with the two T-shaped guide rails.

[0011] Further, the reset mechanism comprises two reset springs, and the two reset springs are symmetrically arranged between the two tooth-shaped blocks.

[0012] Further, the fixed shell further comprises two protective plates, and the two protective plates are symmetrically arranged on the front and rear end faces of the fixed shell.

[0013] Further, the connecting structure is a connecting plate, the cross section of the connecting plate is C-shaped, the opening of the connecting plate is used for connecting a tourniquet, the connecting plate is provided with a plurality of long strip holes, the plurality of long strip holes are symmetrically arranged on the connecting plate, and the long strip holes are provided with bolts used for connecting the tourniquet.

[0014] Further, the protective plate is connected with the fixed shell through a plurality of screws.

[0015] Compared with the prior art, the fastening device for the tourniquet has the following advantages:

[0016] 1. The meshing of the tooth-shaped block and the locking belt ensures that the tourniquet can be firmly fixed at the required position, effectively preventing loosening caused by movement or external force. The T-shaped guide rail combined with the tooth-shaped block ensures that the tooth-shaped block has a stable trajectory when sliding, reduces the possibility of jamming and misoperation, and improves the smoothness of operation. The reset spring will automatically push the tooth-shaped block back to the initial position after loosening, so that the user does not need to manually adjust and can quickly prepare for the next operation, which greatly improves the operation efficiency. The use of the positioning clamping pin enables the operation to be completed with one hand, which is particularly important in emergency situations that require quick response.

[0017] 2. The protective plate effectively protects the internal tooth-shaped block and other components from damage caused by the external environment, and prevents accidental injury to the operator during use. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings constituting a part of the present application are used to provide a further understanding of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1A fastening device for a tourniquet according to an embodiment of the present utility model shows a schematic diagram.

[0020] Figure 2 A fastening mechanism structure according to an embodiment of the present utility model shows a schematic diagram.

[0021] Figure 3 A fastening device for a tourniquet according to an embodiment of the present utility model shows a top view.

[0022] Marked legend:

[0023] 101, connecting structure; 102, locking belt; 201, fixed shell; 202, protection plate; 300, positioning clamping pin; 401, positioning sleeve; 501, toothed block; 502, reset mechanism; 601, guide structure. DETAILED DESCRIPTION

[0024] It should be noted that the embodiments in the present utility model and the features in the embodiments can be combined with each other without conflict.

[0025] In the description of the present utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0026] In the description of the present utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the present utility model can be understood through specific circumstances.

[0027] The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] A fastening device for a tourniquet, such as Figure 1 as shown, comprising two connecting structures 101, two locking belts 102 and a plurality of fastening mechanisms; the two locking belts 102 are arranged side by side, and one connecting structure 101 is arranged at the end of each locking belt 102, which is used to connect the tourniquet; a plurality of fastening mechanisms are arranged on the two locking belts 102, which are used to realize the connection and fixation of the two locking belts 102;

[0029] as shown, Figure 2 the fastening mechanism comprises a fixed shell 201, a reset mechanism 502, a guide structure 601, a positioning sleeve 401, a locking mechanism, and two toothed blocks 501. The inside of the fixed shell 201 is hollow, and the two locking belts 102 are symmetrically arranged inside the fixed shell 201. The inner side surface of each locking belt 102 is provided with a toothed structure, and the two toothed blocks 501 are symmetrically arranged inside the fixed shell 201. Each toothed block 501 is opposite to one locking belt 102, and the locking mechanism is used to push the toothed block 501 to engage with the locking belt 102. The two toothed blocks 501 are slidingly connected with the fixed shell 201 through the guide structure 601, and the two toothed blocks 501 are connected through the reset mechanism 502. The positioning sleeve 401 is arranged on the upper end surface of the fixed shell 201, and the positioning sleeve 401 is threadedly connected with the outer wall of the locking mechanism. In this embodiment, the locking mechanism is a positioning clamping pin 300. Through the engagement of the toothed block 501 and the locking belt 102, it is ensured that the tourniquet can be firmly fixed at the required position, and the loosening caused by movement or external force is effectively prevented. The use of the positioning clamping pin 300 makes the operation can be completed with one hand, especially in the case of emergency, when the quick response is required, this convenience is particularly important.

[0030] The guide structure 601 comprises two T-shaped guide rails, and the two T-shaped guide rails are arranged side by side on the inner wall of the fixed shell 201. Each toothed block 501 is slidingly connected with the two T-shaped guide rails. The T-shaped guide rail in combination with the toothed block 501 ensures that the toothed block 501 has a stable trajectory when sliding, reduces the possibility of jamming and misoperation, and improves the smoothness of operation.

[0031] The reset mechanism 502 comprises two reset springs, and the two reset springs are symmetrically arranged between the two toothed blocks 501. The front and rear ends of the reset spring are connected with one toothed block 501. After the reset spring is loosened, it will automatically push the toothed block 501 back to the initial position, and the user does not need to manually adjust, so that the next operation can be quickly prepared, which greatly improves the operation efficiency.

[0032] Two protective plates 202 are symmetrically arranged on the front and rear end faces of the fixed shell 201, and are used to cover the two tooth-shaped blocks 501. The protective plates 202 are connected with the fixed shell 201 through a plurality of screws. The protective plates 202 effectively protect the internal tooth-shaped blocks 501 and other components, avoid damage caused by the external environment, and prevent accidental injury to the operator during use.

[0033] The connecting structure 101 is a connecting plate, the cross section of the connecting plate is C-shaped, the opening of the connecting plate is used for connecting the tourniquet, the connecting plate is provided with a plurality of long holes, the plurality of long holes are symmetrically arranged on the connecting plate, and the long holes are provided with bolts used for connecting the tourniquet.

[0034] Working mode of the embodiment

[0035] Step one: confirm the integrity of the fastening device and the tourniquet, and ensure that all components are in a usable state. Check whether the fixed shell 201, the locking belt 102, the connecting structure 101 and other components are correctly installed.

[0036] Step two: place the tourniquet on the position where hemostasis is needed, and ensure that the width of the tourniquet is appropriate. Use the long holes on the C-shaped connecting plate to install the tourniquet on the connecting structure 101 of the device through the bolts.

[0037] Step three: adjust the tightness of the tourniquet through the two locking belts 102 arranged side by side. Ensure that the tourniquet is flat and properly surrounds the limb.

[0038] Step four: operate the positioning clamping pin 300 to push it in to push the locking mechanism, so that the tooth-shaped block 501 engages with the locking belt 102. Observe and confirm that the tooth-shaped block 501 has firmly fixed the locking belt 102 and prevented it from sliding.

[0039] Step five: if it is necessary to adjust or release the tourniquet, rotate the positioning sleeve 401 in the reverse direction to loosen the positioning clamping pin 300. Use the action of the return spring to make the tooth-shaped block 501 automatically return to the initial position, and release the pressure on the locking belt 102.

[0040] Step six: after stopping massive bleeding, carefully remove the device and perform necessary medical treatment. Clean and store the fastening device for next use

[0041] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A fastening device for a tourniquet, characterized by: The tourniquet comprises two connecting structures (101), two locking belts (102) and a plurality of fastening mechanisms; The two locking belts (102) are arranged side by side, and one connecting structure (101) is arranged at the end of each locking belt (102), which is used for connecting the tourniquet. A plurality of fastening mechanisms are arranged on the two locking belts (102), which are used for connecting and fixing the two locking belts (102). The fastening mechanism comprises a fixed shell (201), a reset mechanism (502), a guide structure (601), a positioning sleeve (401), a locking mechanism, and two tooth-shaped blocks (501). The inside of the fixed shell (201) is hollow, and two locking belts (102) are symmetrically arranged on the inside of the fixed shell (201). The inside end surface of each locking belt (102) is provided with a tooth-shaped structure, and two tooth-shaped blocks (501) are symmetrically arranged on the inside of the fixed shell (201). Each tooth-shaped block (501) is opposite to one locking belt (102), the locking mechanism is used to push the tooth-shaped block (501) and the locking belt (102) to engage, the two tooth-shaped blocks (501) are slidably connected with the fixed shell (201) through the guide structure (601), the two tooth-shaped blocks (501) are connected through the reset mechanism (502), and the positioning sleeve (401) is arranged on the upper end surface of the fixed shell (201). The positioning sleeve (401) is threadedly connected with the outer wall of the locking mechanism.

2. A fastening device for a tourniquet according to claim 1, characterized in that: The locking mechanism is a positioning clamping pin (300).

3. A fastening device for a tourniquet according to claim 1, characterized in that: The guide structure (601) comprises two T-shaped guide rails, and the two T-shaped guide rails are arranged side by side on the inner wall of the fixed shell (201). Each tooth-shaped block (501) is slidably connected with the two T-shaped guide rails.

4. A fastening device for a tourniquet according to claim 1, characterized in that: The reset mechanism (502) comprises two reset springs, and the two reset springs are symmetrically arranged between the two tooth-shaped blocks (501). The front and rear ends of the reset spring are connected with one tooth-shaped block (501).

5. A fastening device for a tourniquet according to any one of claims 1-4, characterized in that: It also comprises two protective plates (202), which are symmetrically arranged on the front and rear end surfaces of the fixed shell (201). The protective plate (202) is used to cover the two tooth-shaped blocks (501).

6. A fastening device for a tourniquet according to claim 5, characterized in that: The connecting structure (101) is a connecting plate, the cross section of the connecting plate is C-shaped, the opening of the connecting plate is used for connecting the tourniquet, the connecting plate is provided with a plurality of long holes, and the long holes are symmetrically arranged on the connecting plate. The long hole is provided with a bolt for connecting the tourniquet.

7. A fastening device for a tourniquet according to claim 5, characterized in that: The protective plate (202) is connected with the fixed shell (201) through a plurality of screws.