Spinning type self-locking anti-loosening tourniquet

Abstract

The invention discloses a spinning type self-locking anti-loosening tourniquet, and belongs to the technical field of tourniquets, the spinning type self-locking anti-loosening tourniquet comprises bandages and a fixing plate, the bandages are symmetrically connected to two sides of the fixing plate, a handle is rotatably arranged in the fixing plate, the lower surface of the handle is fixedly connected with an auxiliary plate, and the upper surface of the auxiliary plate is fixedly connected with a vertical rod; the upper surface of the fixing plate is fixedly connected with a vertical plate. According to the spinning type self-locking anti-loosening tourniquet, in the working process, after a bandage is attached to the blood loss position of a patient, the bandage is wound around the needed position and connected through a hook-and-loop fastener, then a handle is rotated, an auxiliary plate descends under the action of a vertical rod, a wound is pressed through a hemostatic strip, and then a stand column on the upper surface of a sliding block is directly pulled; the clamping plates on the two sides of the vertical rod get close to each other, the vertical rod is clamped, meanwhile, the limiting bag can expand, the effect of multiple stabilizing of the vertical rod is achieved, the situation that the hemostasis strip is loosened in the working process is avoided, and stability is improved.

Description

Technical Field

[0001] This invention relates to the field of tourniquet technology, specifically a spin-pressed self-locking tourniquet that prevents loosening. Background Technology

[0002] The core function of a tourniquet is to quickly block arterial blood flow in the limbs and control severe traumatic bleeding that cannot be stopped by conventional bandaging. In outdoor first aid, the correct use of a tourniquet can prevent hemorrhagic shock in the injured person, buying crucial time for transport and treatment. It is a core tool for outdoor trauma first aid. For example, Chinese utility model patent application number 202022557942.3, filed on 2020-11-06, describes a tourniquet for distal upper and lower limbs. It is used to stop bleeding at distal points on the upper and lower limbs and can absorb blood and sweat seeping from the distal bleeding points, keeping the pressure point dry. This prevents the tourniquet from slipping and loosening; at the same time, the tourniquet can be quickly fixed to the distal end of the upper and lower limbs and compress and block the artery at the bleeding point, eliminating the need for repeated loosening and wrapping of the tourniquet; there is also a Chinese utility model patent application with application number 202320763220.4 and application date of 2023-04-07, which describes a tourniquet with a fixed end and a free end, forming a fixed space between the fixed end and the free end for fixing the limb, the free end passing through the channel to adjust the size of the fixed space, and a self-locking buckle fastened to the locking teeth so that the free end can move unidirectionally to fix the limb. Therefore, when using this tourniquet, you only need to pass the free end through the channel and pull the free end. The self-locking buckle can be self-locked on the fixing teeth to fix the position of the bandage, making it more convenient to perform rescue operations; and the Chinese utility model patent application with application number 202422559981.5 and application date of 2024-10-23, a rotary tourniquet, has a built-in timer and marker, which makes it convenient for users to record the hemostasis time and avoid the situation that the hemostasis time is too short, resulting in poor hemostasis effect, or that the hemostasis time is too long, resulting in limb damage or necrosis.

[0003] After outdoor first aid, the patient needs to be transferred to the hospital for further treatment. During this process, the tourniquet may loosen when the patient is lifted on a stretcher or when the vehicle is bumpy. The tourniquet in the above application does not have an auxiliary locking structure during use, which may cause the tourniquet to loosen during personnel transfer, affecting the rescue of the patient and causing unnecessary trouble for both staff and patients. Summary of the Invention

[0004] The purpose of this invention is to provide a spin-pressed self-locking tourniquet that prevents loosening, in order to solve the problem mentioned in the background art that, during use, the tourniquet does not have an auxiliary locking structure, which leads to loosening of the tourniquet during personnel transfer, affecting the rescue of patients and causing unnecessary trouble for both staff and patients.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a spin-pressed self-locking anti-loosening tourniquet, comprising a strap and a fixing plate, wherein the strap is symmetrically connected to both sides of the fixing plate, and a handle is rotatably provided inside the fixing plate, and an auxiliary plate is fixedly connected to the lower surface of the handle, and a vertical rod is fixedly connected to the upper surface of the auxiliary plate; the strap is provided with Velcro; a vertical plate is fixedly connected to the upper surface of the fixing plate, and a slider is slidably provided on the surface of the vertical plate; a moving block is connected to the fixing plate through a transverse moving assembly, and a clamping plate is fixedly connected to the surface of the moving block; a limiting bladder is provided on the upper surface of the clamping plate; a spring-loaded assembly is provided between the vertical plate and the slider, and a slot is formed on the upper surface of the slider; a storage bladder is adhesively connected to the upper surface of the fixing plate, and a feeding tube is fixedly connected to the upper surface of the storage bladder.

[0006] Preferably, the upper surface of the slider and the upper surface of the moving block are both fixedly connected to columns, and a pull rod is sleeved between adjacent columns. A limit rod is fixedly connected to the inner wall of the vertical plate, and the surface of the limit rod is convex.

[0007] Preferably, the slider is slidably disposed on the surface of the limiting rod, and the transverse component includes a guide rod fixedly connected to the upper surface of the fixed plate, with both sides of the guide rod being protruding, and the moving block is slidably disposed on the surface of the guide rod.

[0008] Preferably, an inner rod is fixedly connected to the inner wall of the vertical plate, and a locking block is slidably disposed on the surface of the inner rod, with the end of the locking block being inclined. A first spring is fixedly connected to the upper surface of the locking block, and the other side of the first spring is fixedly connected to the inner wall of the vertical plate.

[0009] Preferably, the rebound assembly includes a second spring fixedly connected to the surface of the vertical plate, and the other side of the second spring is fixedly connected to the surface of the slider.

[0010] Preferably, a protruding plate is fixedly connected to the upper surface of the fixing plate, and an airbag is bonded to the surface of the protruding plate. An air supply pipe is fixedly connected to the upper surface of the airbag, and the end of the air supply pipe is connected to the restraint bladder.

[0011] Preferably, a push plate is fixedly connected to the side of the clamping plate, and the push plate corresponds one-to-one with the airbag.

[0012] Preferably, the limiting bladders are symmetrically distributed on both sides of the vertical rod, and the limiting bladders have an arc-shaped structure.

[0013] Preferably, a pressure plate is fixedly connected to the upper surface of the auxiliary plate, and the lower surface of the pressure plate is in contact with the upper surface of the storage bladder, and discharge pipes are fixedly connected to both sides of the storage bladder.

[0014] Preferably, a one-way valve is fixedly connected to the surface of both the feed pipe and the discharge pipe, and a nozzle is fixedly connected to the end of the discharge pipe, with the nozzles symmetrically distributed on both sides of the fixed plate.

[0015] Compared with the prior art, the beneficial effects of this invention are as follows: This spin-pressed self-locking anti-loosening tourniquet adopts a novel structural design. During operation, after the bandage is applied to the patient's bleeding site, the bandage is wrapped around the required position and connected with Velcro. Then, rotating the handle causes the auxiliary plate to descend under the action of the vertical rod, pressing the wound with the hemostatic strip. Next, directly pulling the column on the upper surface of the slider causes the clamps on both sides of the vertical rod to come closer together, clamping the vertical rod. Simultaneously, the restriction bladder expands, providing multiple stabilizing effects for the vertical rod and preventing the hemostatic strip from loosening, thus improving stability. The specific details are as follows: (1) The spin-press self-locking anti-loosening tourniquet has a tourniquet strip on the lower surface of the auxiliary plate. When using the tourniquet, wrap the tourniquet around the required position and connect it with Velcro. Then rotate the handle to make the auxiliary plate and tourniquet descend under the action of the vertical rod. Finally, the tourniquet presses down on the wound. The operation is quick and convenient.

[0016] (2) When the vertical rod needs to be fixed, the slider is pulled directly. At this time, the slider slides on the surface of the limit rod. During the movement of the slider, the slider will drive the moving block to slide on the surface of the guide rod through the column and the pull rod. Finally, the moving block drives the clamping plate to clamp and fix the vertical rod, ensuring the stability of the vertical rod. As a result, the auxiliary plate and the tourniquet will not move, ensuring the stability of the tourniquet. Furthermore, after the slider moves to contact the protruding position of the limit rod, the locking block descends under the action of the first spring and finally enters the slot. At this time, the slider is fixed by the locking block and the slot, so the slider will not move, that is, the clamping plate remains stable.

[0017] Furthermore, during the movement of the locking block, the inner rod causes the locking block to move only in the vertical direction.

[0018] (3) During the movement of the splint, the self-locking anti-loosening tourniquet will drive the push plate to move synchronously. At this time, the push plate will squeeze the air bag, and then the air bag will supply air to the restriction bag through the air supply tube. At this time, the restriction bag will expand and finally fit with the vertical rod. Then the friction between the vertical rod and the restriction bag will further restrict the vertical rod, so that the vertical rod will not move. That is, the restriction bag plays an auxiliary limiting role.

[0019] Furthermore, during the movement of the slider, the first spring is compressed. After the slider is locked, the first spring remains compressed. When it is necessary to return the slider to its original position, the locking block is pulled, causing the end of the locking block to move out of the slot. Then, the slider moves back under the action of the first spring. At this time, the moving block and the clamping plate return to their original positions under the action of the pull rod and the column, making it convenient for the moving block to be used again.

[0020] (4) When the handle is rotated and the auxiliary plate is lowered, the auxiliary plate squeezes the storage bladder through the pressure plate. At this time, the storage bladder supplies material to the nozzle through the discharge pipe, and then the nozzle sprays out atomized disinfectant to disinfect the surrounding air, which plays an auxiliary role in improving safety and preventing cross-infection of patients. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the connection structure between the strap and the fixing plate of the present invention; Figure 2 This is a schematic diagram of the connection structure between the fixing plate and the auxiliary plate of the present invention; Figure 3 This is a schematic diagram of the connection structure between the auxiliary plate and the pressure plate of the present invention; Figure 4 This is a schematic diagram of the connection structure between the fixing plate and the storage bladder of the present invention; Figure 5 For the present invention Figure 4 Enlarged structural diagram at point A in the middle; Figure 6 This is a schematic diagram of the connection structure between the slider and the column of the present invention; Figure 7 This is a schematic diagram of the vertical plate in a cross-sectional state according to the present invention; Figure 8 This is a schematic diagram of the connection structure between the protruding plate and the airbag in this invention; Figure 9 This is a schematic diagram of the working structure of the clamping plate of the present invention; Figure 10 This is a schematic diagram of the connection structure between the discharge pipe and the nozzle of the present invention.

[0022] In the diagram: 1. Strap; 2. Fixing plate; 3. Vertical plate; 4. Handle; 5. Auxiliary plate; 6. Vertical rod; 7. Pressure plate; 8. Storage bladder; 9. Limiting rod; 10. Slider; 11. Slot; 12. Block; 13. Inner rod; 14. Pull rod; 15. Guide rod; 16. Moving block; 17. Column; 18. First spring; 19. Second spring; 20. Clamping plate; 21. Push plate; 22. Protruding plate; 23. Airbag; 24. Restricting bladder; 25. Air supply pipe; 26. Feed pipe; 27. Discharge pipe; 28. Nozzle. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please see Figures 1-10 The present invention provides the following technical solution: a spin-pressed self-locking anti-loosening tourniquet.

[0025] Example 1: The handle 4 and auxiliary plate 5 allow the hemostatic strip to quickly press against the wound. Then, the locking block 12 and slot 11 hold the slider 10 in place, and the clamping plate 20 holds the vertical rod 6. This ensures stability during operation, preventing movement of the vertical rod 6, auxiliary plate 5, and hemostatic strip. Figures 1-7 As shown, the assembly includes a strap 1 and a fixing plate 2. The strap 1 is symmetrically connected to both sides of the fixing plate 2. A handle 4 is rotatably provided inside the fixing plate 2. An auxiliary plate 5 is fixedly connected to the lower surface of the handle 4, and a vertical rod 6 is fixedly connected to the upper surface of the auxiliary plate 5. Velcro is provided on the strap 1. A vertical plate 3 is fixedly connected to the upper surface of the fixing plate 2. A slider 10 is slidably provided on the surface of the vertical plate 3. A moving block 16 is connected to the fixing plate 2 through a transverse moving assembly. A clamping plate 20 is fixedly connected to the surface of the moving block 16. A column 17 is fixedly connected to the upper surface of the slider 10 and the upper surface of the moving block 16. A pull rod 14 is sleeved between adjacent columns 17. A limit rod 9 is fixedly connected to the inner wall of the vertical plate 3, and the surface of the limit rod 9 is protruding.

[0026] The surface of the limiting rod 9 is slidably provided with a slider 10, and the transverse component includes a guide rod 15 fixedly connected to the upper surface of the fixed plate 2. Both sides of the guide rod 15 are protruding, and the surface of the guide rod 15 is slidably provided with a moving block 16.

[0027] The upper surface of the slider 10 is provided with a slot 11, the inner wall of the vertical plate 3 is fixedly connected with an inner rod 13, and a locking block 12 is slidably provided on the surface of the inner rod 13. The end of the locking block 12 is inclined, the upper surface of the locking block 12 is fixedly connected with a first spring 18, and the other side of the first spring 18 is fixedly connected to the inner wall of the vertical plate 3.

[0028] The lower surface of the auxiliary plate 5 is equipped with a hemostatic strip. During operation, the bandage is first wrapped around the wound. Then, when using the bandage 1, the bandage 1 is wrapped around the desired position and connected with Velcro. Then, the handle 4 inside the fixing plate 2 is rotated, causing the auxiliary plate 5 and the hemostatic strip to descend under the action of the vertical rod 6. Finally, the hemostatic strip presses down on the wound, making the operation quick and convenient. When using the hemostatic strip, it needs to be fixed to prevent it from falling off. At this time, the slider 10 can be pulled directly to make the slider 10 slide on the surface of the limiting rod 9. When the slider 10 slides, it drives the moving block 16 to slide on the surface of the guide rod 15 through the column 17 and the pull rod 14. Then, the moving block 16 drives the two clamping plates 20 to move closer to each other. Finally, the clamping plates 20 hold the vertical rod 6. At this time, the vertical rod 6 will not move, and the auxiliary plate 5 and the hemostatic strip remain stable.

[0029] During the movement of slider 10, it pushes block 12, causing block 12 to slide on the surface of inner rod 13. At the same time, block 12 cooperates with vertical plate 3 to compress first spring 18. After slider 10 contacts the protruding position on the surface of limit rod 9, block 12 descends under the action of first spring 18. Finally, block 12 enters the interior of slot 11. At this time, slider 10 is limited, and vertical rod 6 is stably clamped.

[0030] Example 2: Unlike Example 1, the spring-loaded component allows the slider 10 to return to its original position more quickly, meaning the vertical rod 6 can be quickly released from clamping. Figure 7 As shown, a spring-loaded assembly is provided between the vertical plate 3 and the slider 10; the spring-loaded assembly includes a second spring 19 fixedly connected to the surface of the vertical plate 3, and the other side of the second spring 19 is fixedly connected to the surface of the slider 10.

[0031] When the slider 10 initially moves, it cooperates with the vertical plate 3 to compress the second spring 19. After the locking block 12 enters the slot 11, the second spring 19 remains compressed. When it is necessary to release the working state of the auxiliary plate 5 and the vertical rod 6, the locking block 12 is pulled directly to move the end of the locking block 12 out of the slot 11. At this time, the slider 10 is not locked, and the slider 10 quickly resets under the action of the second spring 19. At the same time, the moving block 16 slides back on the guide rod 15 under the action of the column 17 and the pull rod 14, so that the vertical rod 6 is not clamped. At this time, medical personnel can operate the handle 4, making the workflow simple and convenient.

[0032] Example 3: Unlike Example 2, the limiting bladder 24 serves as an auxiliary limiting element, making the vertical rod 6 more stable. Figure 8 and Figure 9 As shown, a restraining bladder 24 is provided on the upper surface of the clamping plate 20; a protruding plate 22 is fixedly connected to the upper surface of the fixing plate 2, and an airbag 23 is bonded to the surface of the protruding plate 22. An air supply pipe 25 is fixedly connected to the upper surface of the airbag 23, and the end of the air supply pipe 25 is connected to the restraining bladder 24. A push plate 21 is fixedly connected to the side of the clamping plate 20, and the push plate 21 corresponds one-to-one with the airbag 23. The restraining bladders 24 are symmetrically distributed on both sides of the vertical rod 6, and the restraining bladders 24 have an arc-shaped structure.

[0033] When the moving block 16 moves the clamping plate 20, the clamping plate 20 moves the push plate 21 synchronously. At this time, the push plate 21 will squeeze the airbag 23, so that the airbag 23 supplies air to the limiting bag 24 through the air supply pipe 25, thereby limiting the inflation of the limiting bag 24. At this time, the limiting bag 24 is in contact with the vertical rod 6, thereby limiting the friction between the limiting bag 24 and the vertical rod 6, which plays an auxiliary limiting role, making the vertical rod 6 more stable when working.

[0034] After the slider 10 is released from the lock, the slider 10 slides back. During the process of the clamping plate 20 sliding back, the push plate 21 moves back simultaneously. At this time, the airbag 23 is not squeezed, and the airflow inside the restricting bladder 24 flows back into the airbag 23 under the action of air pressure, so that the air pressure between the restricting bladder 24 and the airbag 23 is balanced, that is, the restricting bladder 24 shrinks, which facilitates the next use of the restricting bladder 24, the airbag 23 and the air supply pipe 25.

[0035] Example 4: Unlike Example 3, the storage bladder 8 and nozzle 28 serve to assist in disinfecting the surrounding air. Figure 1 , Figure 2 and Figure 10 As shown, a storage bladder 8 is bonded to the upper surface of the fixed plate 2, and a feed pipe 26 is fixedly connected to the upper surface of the storage bladder 8. A pressure plate 7 is fixedly connected to the upper surface of the auxiliary plate 5, and the lower surface of the pressure plate 7 is in contact with the upper surface of the storage bladder 8. A discharge pipe 27 is fixedly connected to both sides of the storage bladder 8. A one-way valve is fixedly connected to both the surface of the feed pipe 26 and the surface of the discharge pipe 27. A nozzle 28 is fixedly connected to the end of the discharge pipe 27, and the nozzles 28 are symmetrically distributed on both sides of the fixed plate 2.

[0036] When the auxiliary plate 5 and the hemostatic strip descend, the auxiliary plate 5 drives the pressure plate 7 to descend synchronously. At this time, the pressure plate 7 will squeeze the storage bladder 8, so that the storage bladder 8 supplies material to the nozzle 28 through the discharge pipe 27. At this time, the nozzle 28 sprays disinfectant, which plays an auxiliary disinfection role. Thus, it also has the function of auxiliary disinfection without spending extra time on operation. After the strap 1 and the fixing plate 2 are removed, the pressure plate 7 rises. At this time, the pressure plate 7 no longer squeezes the storage bladder 8, and the storage bladder 8 inflates through the feed pipe 26, which is convenient for the next use of the storage bladder 8.

[0037] After prolonged use, the amount of disinfectant in the storage bladder 8 decreases. At this time, the storage bladder 8 can be replenished through the feed pipe 26. Meanwhile, during the use of the storage bladder 8, the one-way valves on the surface of the feed pipe 26 and the discharge pipe 27 ensure that the flow direction of the disinfectant is from the storage bladder 8 to the discharge pipe 27, preventing backflow and ensuring the stability of the operation of the storage bladder 8, the discharge pipe 27, and the nozzle 28.

[0038] The above is the entire working process of the device, and all contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0039] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A spin-pressed self-locking anti-loosening tourniquet, comprising a strap (1) and a fixing plate (2), wherein the strap (1) is symmetrically connected to both sides of the fixing plate (2), and a handle (4) is rotatably provided inside the fixing plate (2), and an auxiliary plate (5) is fixedly connected to the lower surface of the handle (4), and a vertical rod (6) is fixedly connected to the upper surface of the auxiliary plate (5), and a Velcro is provided on the strap (1); Its features are, Also includes: The upper surface of the fixed plate (2) is fixedly connected to a vertical plate (3), and a slider (10) is slidably provided on the surface of the vertical plate (3). The fixed plate (2) is connected to a moving block (16) through a transverse component, and a clamping plate (20) is fixedly connected to the surface of the moving block (16). The upper surface of the clamp (20) is provided with a limiting bladder (24); A spring-loaded assembly is provided between the vertical plate (3) and the slider (10), and a slot (11) is provided on the upper surface of the slider (10). The upper surface of the fixing plate (2) is bonded to a storage bladder (8), and the upper surface of the storage bladder (8) is fixedly connected to a feed pipe (26).

2. The spin-forming self-locking anti-loosening tourniquet according to claim 1, characterized in that: The upper surface of the slider (10) and the upper surface of the moving block (16) are both fixedly connected to columns (17), and a pull rod (14) is sleeved between adjacent columns (17). A limit rod (9) is fixedly connected to the inner wall of the vertical plate (3), and the surface of the limit rod (9) is convex.

3. The spin-forming self-locking anti-loosening tourniquet according to claim 2, characterized in that: The slider (10) is slidably disposed on the surface of the limiting rod (9). The transverse component includes a guide rod (15) fixedly connected to the upper surface of the fixed plate (2). Both sides of the guide rod (15) are protruding, and the moving block (16) is slidably disposed on the surface of the guide rod (15).

4. The spin-forming self-locking anti-loosening tourniquet according to claim 1, characterized in that: An inner rod (13) is fixedly connected to the inner wall of the vertical plate (3), and a locking block (12) is slidably provided on the surface of the inner rod (13). The end of the locking block (12) is inclined. A first spring (18) is fixedly connected to the upper surface of the locking block (12), and the other side of the first spring (18) is fixedly connected to the inner wall of the vertical plate (3).

5. The spin-forming self-locking anti-loosening tourniquet according to claim 1, characterized in that: The rebound assembly includes a second spring (19) fixedly connected to the surface of the vertical plate (3), and the other side of the second spring (19) is fixedly connected to the surface of the slider (10).

6. The spin-forming self-locking anti-loosening tourniquet according to claim 1, characterized in that: The upper surface of the fixing plate (2) is fixedly connected to a protruding plate (22), and an airbag (23) is bonded to the surface of the protruding plate (22). An air supply pipe (25) is fixedly connected to the upper surface of the airbag (23), and the end of the air supply pipe (25) is connected to the restraint bladder (24).

7. A spin-forming self-locking anti-loosening tourniquet according to claim 6, characterized in that: The side of the clamp (20) is fixedly connected to a push plate (21), and the push plate (21) corresponds one-to-one with the airbag (23).

8. The spin-forming self-locking anti-loosening tourniquet according to claim 1, characterized in that: The restriction bladders (24) are symmetrically distributed on both sides of the vertical rod (6), and the restriction bladders (24) are arc-shaped.

9. A spin-forming self-locking anti-loosening tourniquet according to claim 1, characterized in that: The upper surface of the auxiliary plate (5) is fixedly connected to a pressure plate (7), and the lower surface of the pressure plate (7) is in contact with the upper surface of the storage bladder (8). Both sides of the storage bladder (8) are fixedly connected to discharge pipes (27).

10. A spin-forming self-locking anti-loosening tourniquet according to claim 9, characterized in that: One-way valves are fixedly connected to the surface of the feed pipe (26) and the surface of the discharge pipe (27), and a nozzle (28) is fixedly connected to the end of the discharge pipe (27), and the nozzles (28) are symmetrically distributed on both sides of the fixed plate (2).

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