Automatic tightening wound hemostasis device

By designing a wound hemostasis device with automatic tightening components, the problem of cumbersome operation and long bleeding time of traditional tourniquets is solved, and a fast and automatic hemostasis effect is achieved, which is of high practical value.

CN222444228UActive Publication Date: 2025-02-11CHINESE PEOPLES LIBERATION ARMY ARMY SPECIAL MEDICAL CENTER
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Patent Information

Application Number
CN202420822948.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2025-02-11
Estimated Expiration
2034-04-19

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Abstract

The utility model discloses an automatic-tightening wound hemostasis device, which belongs to the technical field of medical instruments and comprises a left binding belt and a right binding belt. An automatic tightening assembly which is used for automatically tightening so as to press blood vessels to facilitate hemostasis is connected to the left binding belt and the right binding belt; the automatic tightening assembly comprises a tightening cavity, a self-locking motor, a rack and a gear. The self-locking motor is started, the self-locking motor drives the gear to rotate, the gear is meshed to drive the rack to move rightwards, the rack drives one set of ribbons to be tightened in the direction close to the other set of ribbons, the ribbons drive the roll shafts to rotate when moving rightwards, the rotating roll shafts promote the ribbons to smoothly move rightwards, and therefore the effect of rapidly and automatically tightening the affected part is achieved. The delay of hemostasis first-aid time for the patient is avoided, and the practical value is very high; when the tension sensor detects that the cable tie is tightened to a proper position, the self-locking motor stops running and is self-locked, so that the cable tie is prevented from slipping from the affected part, and the hemostatic effect is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an automatic wound hemostasis device. Background Art

[0002] A tourniquet is a first aid device that compresses blood vessels to block blood flow to stop bleeding. It is a simple and effective method of stopping bleeding in first aid for severe bleeding in the limbs. Traditional tourniquets are difficult to operate alone, so it is necessary to design an automatic hemostatic device.

[0003] For example, Chinese patent CN219557455U proposes a rapid hemostasis device, including a bandage, the bandage is evenly provided with first vent holes, one end of the bandage is provided with a through ring, the middle of the bandage is provided with a sealing frame and a drug-soaked layer is provided in the sealing frame, and the bandage is provided with a support mechanism for supporting both sides of the binding. The drug-soaked layer is covered on the wound, one end of the bandage is alternately inserted into the through ring, and the bandage is tightened to achieve the bandage tightening, so that the drug-soaked layer is effectively pressed and sealed on the wound, and then the plug-in block is inserted into the slot, and the stud is inserted out of the plug-in block, and the stud is locked with a nut, so that the two support rings are supported on the thigh and calf respectively, which can limit the movement of the knee area.

[0004] However, the above patent requires the use of bolts and nuts, which is cumbersome to operate and cannot quickly achieve hemostasis, thereby delaying the hemostasis first aid time for the patient.

[0005] Based on this, the utility model designs an automatic wound hemostasis device to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides an automatic wound hemostasis device.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An automatic tightening wound hemostasis device comprises a left tie and a right tie;

[0009] The left and right tie ties are connected with automatic tightening components for automatically tightening and thereby compressing blood vessels to stop bleeding;

[0010] The automatic tightening assembly includes a tightening chamber, a self-locking motor, a rack and a gear. The lower end of the right tie is fixedly connected to the tightening chamber, the left tie passes through the interior of the tightening chamber and is limitedly slidably connected to the tightening chamber, the tightening chamber is fixedly connected to the self-locking motor, the output end of the self-locking motor is fixedly connected to the gear, the front end of the left tie is fixedly connected to the rack, and the rack is meshingly connected to the gear.

[0011] Furthermore, the tightening chamber is rotatably connected to a plurality of rollers for cooperating with the left tie to move left and right; the top of the roller is rollingly connected to the bottom of the left tie.

[0012] Furthermore, the self-locking motor is electrically connected to the tension sensor.

[0013] Furthermore, a pressing component is connected between the left tie and the right tie for automatically massaging the affected area to remove blood stasis.

[0014] Furthermore, the pressing assembly includes a roller, a telescopic fixed block, an installation cavity, a sliding rod, a connecting block, a motor and a threaded rod. The ends of the left tie and the right tie that are close to each other are fixedly connected to the installation cavity, the interior of the installation cavity is fixedly connected to the sliding rod, the interior of the installation cavity is rotatably connected to the threaded rod, the front end of the connecting block passes through the sliding rod and is slidably connected to the sliding rod, the rear end of the connecting block passes through the threaded rod and is threadedly connected to the threaded rod, the installation cavity is fixedly connected to the motor, the output end of the motor is fixedly connected to the threaded rod, the bottom of the connecting block is fixedly connected to the telescopic fixed block, and the telescopic fixed block is rotatably connected to the roller.

[0015] Furthermore, the sliding rod and the threaded rod correspond to each other front to back.

[0016] Furthermore, when the telescopic fixing block is extended, the roller contacts and connects with the affected part.

[0017] Furthermore, when the telescopic fixing block is retracted, the roller is embedded in the installation cavity.

[0018] Furthermore, the left tie and the right tie are fixedly connected with air bags for compression and hemostasis.

[0019] Furthermore, the front and rear sides of the left tie and the right tie are both provided with a water-absorbing layer for absorbing blood or sweat.

[0020] The utility model has the following technical effects:

[0021] 1. The utility model surrounds the left and right tie straps on one side of the wound, starts the self-locking motor, drives the gear to rotate, the gear meshing drives the rack to move to the right, and the rack drives the left tie strap to tighten in the direction close to the right tie strap. When the left tie strap moves to the right, it drives the roller to rotate, and the rotating roller promotes the left tie strap to move smoothly to the right, thereby achieving a rapid automatic tightening effect on the affected area, and the purpose of hemostasis is achieved by compressing the blood vessels to block the blood flow, avoiding delay in the hemostasis first aid time for the patient, and having high practical value; when the tension sensor detects that it is tightened to the appropriate position, the self-locking motor stops running and self-locks, thereby preventing the left tie strap from slipping off the affected area, so as to achieve the hemostasis effect; after use, the self-locking motor is started to run in the opposite direction, the self-locking motor drives the gear to rotate in the opposite direction, the gear meshing drives the rack to move to the left, and the roller cooperates with the rack to drive the left tie strap to move in the direction away from the right tie strap, thereby facilitating the removal of the device from the patient's wound.

[0022] 2. When the affected area needs to be cleaned of blood stasis, the telescopic fixing block of the utility model is extended so that the roller contacts the affected area. At this time, the self-locking motor is started, and the left strap is adjusted to be tightened to a suitable distance in accordance with the above method to fix the device on the affected area. At this time, the motor is started, and the motor drives the threaded rod to rotate, and the threaded rod drives the rear end of the connecting block to move left and right. The rear end of the connecting block drives the front end of the connecting block to move left and right under the limiting guide action of the sliding rod. The connecting block drives the roller to move left and right through the fixing block. After the roller contacts the affected area, it rolls left and right on the affected area, thereby exerting a pressing effect on the affected area to facilitate the cleaning of blood stasis. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 The utility model is a three-dimensional automatic wound hemostasis device Figure 1 ;

[0025] Figure 2 It is a front view of an automatic wound hemostasis device of the utility model;

[0026] Figure 3 for Figure 1 The enlarged view of point A in the middle;

[0027] Figure 4 The utility model is a three-dimensional automatic wound hemostasis device Figure 2 ;

[0028] Figure 5 It is a structural schematic diagram of the automatic tightening assembly of the utility model;

[0029] Figure 6 for Figure 5 Enlarged view of point B in the middle.

[0030] The numbers in the figure represent:

[0031] 1. Left tie; 2. Automatic tightening assembly; 21. Tightening chamber; 22. Self-locking motor; 23. Rack; 24. Roller; 25. Gear; 3. Pressing assembly; 31. Roller; 32. Fixed block; 33. Mounting chamber; 34. Sliding rod; 35. Connecting block; 36. Motor; 37. Threaded rod; 4. Right tie. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The utility model is further described below in conjunction with embodiments.

[0034] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0035] Example 1

[0036] Please refer to the instruction manual Figure 1-6 , an automatic tightening wound hemostasis device, comprising a left tie 1 and a right tie 4;

[0037] The left tie 1 and the right tie 4 are connected with an automatic tightening component 2 for automatically tightening and compressing blood vessels to stop bleeding;

[0038] The automatic tightening assembly 2 includes a tightening chamber 21, a self-locking motor 22, a rack 23 and a gear 25. The lower end of the right tie 4 is fixedly connected to the tightening chamber 21, the left tie 1 passes through the tightening chamber 21 and is limitedly slidably connected to the tightening chamber 21, the tightening chamber 21 is fixedly connected to the self-locking motor 22, the output end of the self-locking motor 22 is fixedly connected to the gear 25, the front end of the left tie 1 is fixedly connected to the rack 23, and the rack 23 is meshed with the gear 25;

[0039] The tightening chamber 21 is rotatably connected to a plurality of rollers 24 for cooperating with the left tie 1 to move left and right; the top of the roller 24 is rollingly connected to the bottom of the left tie 1;

[0040] The self-locking motor 22 is electrically connected to the tension sensor;

[0041] The left tie 1 and the right tie 4 are wrapped around one side of the wound, and the self-locking motor 22 is started. The self-locking motor 22 drives the gear 25 to rotate, and the gear 25 meshes to drive the rack 23 to move to the right. The rack 23 drives the left tie 1 to tighten in the direction close to the right tie 4. When the left tie 1 moves to the right, it drives the roller 24 to rotate. The rotating roller 24 promotes the left tie 1 to move smoothly to the right, thereby achieving a rapid automatic tightening effect on the affected area, and the purpose of hemostasis is achieved by compressing the blood vessels to block the blood flow, avoiding delays in hemostasis and first aid for the patient. time, which has high practical value; when the tension sensor detects that it is tightened to the appropriate position, the self-locking motor 22 stops running and self-locks, thereby preventing the left tie 1 from slipping off the affected area, so as to achieve the hemostasis effect; after use, the self-locking motor 22 is started to run in the opposite direction, and the self-locking motor 22 drives the gear 25 to rotate in the opposite direction, and the gear 25 engages to drive the rack 23 to move to the left, and the roller 24 cooperates with the rack 23 to drive the left tie 1 to move away from the right tie 4, so as to facilitate the removal of the device from the patient's wound.

[0042] Example 2

[0043] like Figure 1-6 As shown, as a preferred embodiment of the utility model, a pressing component 3 for automatically massaging the affected area to remove blood stasis is connected between the left strap 1 and the right strap 4;

[0044] The pressing assembly 3 includes a roller 31, a telescopic fixing block 32, a mounting cavity 33, a sliding rod 34, a connecting block 35, a motor 36 and a threaded rod 37. The ends of the two groups of cable ties 1 that are close to each other are fixedly connected to the mounting cavity 33. The interior of the mounting cavity 33 is fixedly connected to the sliding rod 34. The interior of the mounting cavity 33 is rotatably connected to the threaded rod 37. The front end of the connecting block 35 passes through the sliding rod 34 and is slidably connected to the sliding rod 34. The rear end of the connecting block 35 passes through the threaded rod 37 and is threadedly connected to the threaded rod 37. The mounting cavity 33 is fixedly connected to a motor 36. The output end of the motor 36 is fixedly connected to the threaded rod 37. The bottom of the connecting block 35 is fixedly connected to the telescopic fixing block 32. The telescopic fixing block 32 is rotatably connected to the roller 31.

[0045] The sliding rod 34 and the threaded rod 37 correspond to each other front and back;

[0046] The roller 31 is in contact with the affected part;

[0047] When the affected area needs to be cleaned of blood stasis, the telescopic fixing block 32 is extended so that the roller 31 contacts the affected area. At this time, the self-locking motor 22 is started, and the left strap 1 is adjusted to be tightened to a suitable distance in the above manner to fix the device on the affected area. At this time, the motor 36 is started, and the motor 36 drives the threaded rod 37 to rotate. The threaded rod 37 drives the rear end of the connecting block 35 to move left and right. The rear end of the connecting block 35 drives the front end of the connecting block 35 to move left and right under the limiting guide action of the sliding rod 34. The connecting block 35 drives the roller 31 to move left and right through the fixing block 32. After the roller 31 contacts the affected area, it rolls left and right on the affected area, thereby having a pressing effect on the affected area, so as to clean the blood stasis.

[0048] Example 3

[0049] like Figure 1-6 As shown, as a preferred embodiment of the utility model, preferably, the left tie 1 and the right tie 4 are fixedly connected with air bags for compression and hemostasis;

[0050] Preferably, the front and rear sides of the left tie 1 and the right tie 4 are both provided with a water-absorbing layer for absorbing blood or sweat.

[0051] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic wound hemostasis device, comprising a left tie (1) and a right tie (4), characterized in that: The left tie (1) and the right tie (4) are connected with an automatic tightening component (2) for automatically tightening and thereby compressing the blood vessels to stop bleeding; The automatic tightening assembly (2) comprises a tightening chamber (21), a self-locking motor (22), a rack (23) and a gear (25); the lower end of the right tie strap (4) is fixedly connected to the tightening chamber (21); the left tie strap (1) passes through the interior of the tightening chamber (21) and is limitedly slidably connected to the tightening chamber (21); the tightening chamber (21) is fixedly connected to the self-locking motor (22); the output end of the self-locking motor (22) is fixedly connected to the gear (25); the front end of the left tie strap (1) is fixedly connected to the rack (23); the rack (23) is meshingly connected to the gear (25).

2. The automatic wound hemostasis device according to claim 1, characterized in that: The tightening chamber (21) is internally rotatably connected with a plurality of groups of rollers (24) for cooperating with the left tie (1) to move left and right; the top of the rollers (24) is rollingly connected with the bottom of the left tie (1).

3. The automatic wound hemostasis device according to claim 2, characterized in that: The self-locking motor (22) is electrically connected to the tension sensor.

4. The automatic wound hemostasis device according to claim 3, characterized in that: A pressing component (3) is connected between the left tie (1) and the right tie (4) and is used for automatically massaging the affected area to facilitate the removal of blood stasis.

5. The automatic wound hemostasis device according to claim 4, characterized in that: The pressing assembly (3) comprises a roller (31), a telescopic fixing block (32), a mounting cavity (33), a sliding rod (34), a connecting block (35), a motor (36) and a threaded rod (37); the ends of the left tie (1) and the right tie (4) close to each other are fixedly connected to the mounting cavity (33); the interior of the mounting cavity (33) is fixedly connected with the sliding rod (34); the interior of the mounting cavity (33) is rotatably connected with the threaded rod (37); the front end of the connecting block (35) passes through the sliding rod (34) and is slidably connected to the sliding rod (34); the rear end of the connecting block (35) passes through the threaded rod (37) and is threadedly connected to the threaded rod (37); the mounting cavity (33) is fixedly connected with the motor (36); the output end of the motor (36) is fixedly connected to the threaded rod (37); the bottom of the connecting block (35) is fixedly connected with the telescopic fixing block (32); the telescopic fixing block (32) is rotatably connected to the roller (31).

6. The automatic wound hemostasis device according to claim 5, characterized in that: The sliding rod (34) and the threaded rod (37) correspond to each other front and back.

7. The automatic wound hemostasis device according to claim 6, characterized in that: When the telescopic fixing block (32) is extended, the roller (31) contacts and connects with the affected part.

8. The automatic wound hemostasis device according to claim 7, characterized in that: When the telescopic fixing block (32) is retracted, the roller (31) is embedded in the installation cavity (33).

9. The automatic wound hemostasis device according to claim 8, characterized in that: The left tie (1) and the right tie (4) are fixedly connected with air bags for compression and hemostasis.

10. The automatic wound hemostasis device according to claim 9, characterized in that: Water absorbing layers for absorbing blood or sweat are provided on the front and rear sides of the left tie (1) and the right tie (4).

Citation Information

Patent Citations

  • Rapid hemostasis device

    CN219557455U