Tourniquet structure capable of automatically adjusting tightness

Abstract

The utility model belongs to the technical field of medical treatment. The utility model discloses a tourniquet structure capable of automatically adjusting tightness. The tourniquet structure comprises an arc seat body capable of being attached to the limb skin of a patient. The arc seat body is provided with a hemostasis assembly which is matched with the arc seat body to bind and tighten limbs of a patient so as to implement emergency hemostasis operation; an adjusting assembly which is connected with the hemostasis assembly and used for adjusting and controlling the binding tightening force and time of the hemostasis assembly is further arranged on the arc seat body, and the adjusting assembly is electrically connected with a power supply control assembly arranged on the arc seat body. The automatic binding and tightening device has the advantages that the binding and tightening force and time can be automatically adjusted to ensure the hemostasis effect, and ischemic necrosis of limbs of a patient is not easily caused.

Description

Technical Field

[0001] The utility model relates to the field of medical technology, and more specifically, particularly to an elastic and automatic adjustable tourniquet structure. Background Art

[0002] In clinical practice, it is common to use rubber tubes as tourniquets to tie and tighten the patient's limbs to perform hemostasis operations. Although it can meet certain hemostasis operation requirements, during its use, the time and strength of the tying and tightening are mainly controlled manually by medical staff. Since the entire process is manually controlled, the time and strength of the tying and tightening are not easy to control. That is, in the process of using traditional tourniquets to stop bleeding on patients in an emergency, due to its too smooth surface, it is easy to become loose due to insufficient tightening force during fixed hemostasis, affecting the hemostasis effect; in addition, when the tying and clamping are too tight, it is easy to cause medical accidents such as ischemic necrosis of the patient's limbs due to excessive tightening force and too long time, which is difficult to meet actual application needs.

[0003] How to solve the above problems has become a technical problem that needs to be solved urgently. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a tourniquet structure which can automatically adjust the binding and tightening force and time to ensure the hemostatic effect and is not likely to cause ischemic necrosis of the patient's limbs.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A tourniquet structure with automatic elastic adjustment includes an arc seat body that can be placed on the skin of a patient's limbs; a hemostatic component is provided on the arc seat body and cooperates with the arc seat body to tie and tighten the patient's limbs to implement an emergency hemostasis operation; an adjustment component is also provided on the arc seat body and is connected to the hemostatic component for adjusting and controlling the binding and tightening force and time of the hemostatic component, and the adjustment component is electrically connected to a power supply control component provided on the arc seat body.

[0007] Preferably, the hemostasis assembly includes a tourniquet body which is arranged inside one side end of the arc seat body through a connecting buckle, and the movable end of the tourniquet body passes through the end of the arc seat body and extends to the outside. A limiting guide groove is provided on the other side end of the arc seat body away from the connecting buckle to guide the movable end of the tourniquet body to extend from the end of the arc seat body into the interior and connect with the adjustment assembly.

[0008] Preferably, the adjustment component includes a shock-absorbing pad arranged in the arc seat body near one end of the limiting guide groove, and a micro motor electrically connected to the power supply control component is provided on the shock-absorbing pad, and the output shaft of the micro motor is connected to the movable end of the tourniquet body through a belt take-up frame.

[0009] Preferably, the power supply control component includes a base arranged inside the arc seat body near one end of the connecting buckle, a battery is provided on the top of one side of the base, and the battery is connected to a charging head arranged on the outer wall of the arc seat body through a conductive harness, and a controller electrically connected to the micro motor is provided on the top of the other side of the base, and the controller is electrically connected to a control light module arranged on the outer wall of the arc seat body, and also includes a pressure sensor embedded in the bottom of the arc seat body and electrically connected to the controller for collecting bundling tightening force information to automatically adjust the bundling tightening force, wherein the controller is electrically connected to the battery.

[0010] Preferably, the control light module includes a starting switch arranged on the outer wall of the arc seat body, and also includes a lighting lamp arranged on the outer wall of the arc seat body and located on one side of the starting switch for providing lighting, and a manual control button arranged on the outer wall of the arc seat body and located on the other side of the starting switch for manually controlling the operation of the micro motor and the lighting lamp, wherein the starting switch, the lighting lamp and the manual control button are all electrically connected to the controller.

[0011] Preferably, the charging head is a magnetic charging head with a charging indicator light and can be connected to an external power supply device for charging the battery.

[0012] Preferably, the pressure sensor is a LL-250 patch pressure sensor.

[0013] Preferably, the controller is a PLC programmable controller.

[0014] Due to the adoption of the above structure, the utility model has the following beneficial effects:

[0015] In the present invention, when a patient's limbs suffer from traumatic bleeding and need emergency hemostasis, the annular structure formed by the cooperation of the arc seat body and the hemostasis component is sleeved on a predetermined position of the patient's limbs, and the adjustment component is started under the power supply and adjustment control of the power supply control component to adjust the tightness of the hemostasis component according to the predetermined time, so that the hemostasis component and the arc seat body cooperate with each other to adjust the binding and tightening force of the patient's limbs to the predetermined binding and tightening force. At the same time, the working state of the adjustment component is controlled by the power supply control component according to demand to maintain the binding and tightening force time of the patient's limbs, thereby realizing automatic adjustment of the binding and tightening force and time of the patient's limbs, which can ensure the emergency hemostasis effect while not easily causing medical accidents such as ischemic necrosis of the patient's limbs due to long-term ischemia; therefore, the present invention has the advantages of being able to automatically adjust the binding and tightening force and time to ensure the hemostasis effect and not easily causing ischemic necrosis of the patient's limbs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 This is a structural schematic diagram of an automatic elastic adjustment tourniquet structure according to the utility model;

[0018] Figure 2 The utility model is a circuit block diagram of an automatic elastic adjustable tourniquet structure.

[0019] Explanation of the accompanying drawings: 1. Arc seat body, 2. Hemostasis assembly, 21. Connecting buckle, 22. Tourniquet body, 23. Limiting guide groove, 3. Adjustment assembly, 31. Shock-absorbing pad, 32. Micro motor, 33. Belt take-up rack, 4. Power supply control assembly, 41. Base, 42. Battery, 43. Charging head, 44. Controller, 45. Control light module, 100. Start switch, 200. Lighting lamp, 300. Manual control button, 46. Pressure sensor. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments 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.

[0021] See also Figure 1 to Figure 2 As shown, an elastic and automatically adjustable tourniquet structure comprises an arc seat body 1 which can be placed on the skin of a patient's limb; a hemostatic component 2 is provided on the arc seat body 1 and cooperates with the arc seat body 1 to tie and tighten the patient's limb to implement an emergency hemostasis operation; an adjusting component 3 is also provided on the arc seat body 1 and is connected to the hemostatic component 2 for adjusting and controlling the tying and tightening force and time of the hemostatic component 2, and the adjusting component 3 is electrically connected to a power supply control component 4 provided on the arc seat body 1. During use, when a patient's limbs suffer from traumatic bleeding and need emergency hemostasis, the annular structure formed by the cooperation of the arc seat body 1 and the hemostasis component 2 is put on a predetermined position of the patient's limbs, and the adjustment component 3 is started to work according to the predetermined time under the power supply and adjustment control of the power supply control component 4, and the tightness of the hemostasis component 2 is adjusted by the adjustment component 3, so that the hemostasis component 2 and the arc seat body 1 cooperate with each other to adjust the binding and tightening force of the patient's limbs to the predetermined binding and tightening force. At the same time, the working state of the adjustment component 3 is controlled by the power supply control component 4 according to demand to maintain the binding and tightening force time of the patient's limbs, thereby realizing automatic adjustment of the binding and tightening force and time of the patient's limbs, which can ensure the emergency hemostasis effect while not easily causing medical accidents such as ischemic necrosis of the patient's limbs due to long-term ischemia.

[0022] In this embodiment, the hemostasis component 2 includes a tourniquet body 22 arranged inside one side end of the arc seat body 1 through a connecting buckle 21, and the movable end of the tourniquet body 22 passes through the end of the arc seat body 1 and extends to the outside. A limiting guide groove 23 is provided on the other side end of the arc seat body 1 away from the connecting buckle 21 to guide the movable end of the tourniquet body 22 to extend from the end of the arc seat body 1 into the interior and connect with the adjustment component 3. When the patient's limbs are injured and bleeding and emergency hemostasis is required, the annular structure formed by the arc seat body 1 and the connecting buckle 21, the tourniquet body 22, the limiting guide groove 23, and the adjusting component 3 are put on the predetermined position of the patient's limbs, and the adjusting component 3 is started to work according to the predetermined time under the power supply and adjustment control of the power supply control component 4, and the tightness of the tourniquet body 22 is adjusted by using the adjusting component 3, so that the tourniquet body 22 and the arc seat body 1 cooperate with each other to adjust the binding and tightening force of the patient's limbs to the predetermined binding and tightening force. At the same time, the working state of the adjusting component 3 is controlled by the power supply control component 4 according to the needs to maintain the binding and tightening force time of the patient's limbs, thereby realizing automatic adjustment of the binding and tightening force and time of the patient's limbs, which can ensure the emergency hemostasis effect while not easily causing medical accidents such as ischemic necrosis of the patient's limbs due to long-term ischemia, thereby effectively improving the convenience and safety of use.

[0023] In this embodiment, the adjustment component 3 includes a shock-absorbing pad 31 disposed in the arc seat body 1 near one end of the limiting guide groove 23, and a micro motor 32 electrically connected to the power supply control component 4 is disposed on the shock-absorbing pad 31, and the output shaft of the micro motor 32 is connected to the movable end of the tourniquet body 22 through a belt take-up rack 33. During use, under the shock-absorbing protection function of the shock-absorbing pad 31 of the adjustment component 3 and the power supply and adjustment control of the power supply control component 4, the micro motor 32 is started by the power supply control component 4 to work according to the predetermined time, and the belt take-up rack 33 is driven by the movable end of the micro motor 32 to rotate together with the movable end of the tourniquet body 22, so that the movable end of the tourniquet body 22 is contracted, tightened or stretched, thereby completing the length adjustment of the tourniquet body 22 to achieve the tightness adjustment, so that the tourniquet body 22 and the arc seat body 1 cooperate with each other to adjust the binding and tightening force of the patient's limbs to the predetermined binding and tightening force, which is convenient and reliable to use.

[0024] In this embodiment, the power supply control component 4 includes a base 41 arranged in the arc seat body 1 near one end of the connecting buckle 21, a battery 42 is provided on the top of one side of the base 41, and the battery 42 is connected to a charging head 43 arranged on the outer wall of the arc seat body 1 through a conductive harness, and a controller 44 electrically connected to the micro motor 32 is provided on the top of the other side of the base 41, and the controller 44 is electrically connected to a control light module 45 arranged on the outer wall of the arc seat body 1, and also includes a pressure sensor 46 embedded in the bottom of the arc seat body 1 and electrically connected to the controller 44 for collecting bundling tightening force information to automatically adjust the bundling tightening force, wherein the controller 44 is electrically connected to the battery 42. The control light module 45 includes a starting switch 100 arranged on the outer wall of the arc seat body 1, and also includes a lighting lamp 200 arranged on the outer wall of the arc seat body 1 and located on one side of the starting switch 100 for providing lighting, and a manual control button 300 arranged on the outer wall of the arc seat body 1 and located on the other side of the starting switch 100 for manually controlling the operation of the micro motor 32 and the lighting lamp 200, wherein the starting switch 100, the lighting lamp 200, and the manual control button 300 are all electrically connected to the controller 44.During use, under the shock-absorbing protection function of the shock-absorbing pad 31 of the adjustment component 3, the power supply of the battery 42 of the power supply control component 4, and the adjustment and control of the controller 44 and the control light module 45, under the limitation of the base 41, and after the battery 42 is charged by connecting the charging head 43 to an external charging device, the controller 44 is started to work through the starting switch 100 under the power supply of the battery 42, and the controller 44 starts the micro motor 32 to work according to the predetermined time, and the active end of the micro motor 32 drives the belt receiving frame 33 to rotate together with the active end of the tourniquet body 22, so that the active end of the tourniquet body 22 is contracted, tightened or stretched, thereby completing the length adjustment of the tourniquet body 22 to achieve tightness adjustment, and at the same time, the pressure sensor 46 collects the information of the tightening force of the tourniquet body 22 and the arc seat body 1 to cooperate with each other on the patient's limbs in real time and transmits it to the controller 44 synchronously, and the controller 44 automatically controls the working state of the micro motor 32 to adjust the length of the tourniquet body 22 to an appropriate length, thereby adjusting the tourniquet The body 22 and the arc seat body 1 cooperate with each other to adjust the binding and tightening force of the patient's limbs to a predetermined binding and tightening force; in addition, the working state of the micro motor 32 is controlled by the controller 44 according to the needs to maintain the time for the tourniquet body 22 and the arc seat body 1 to cooperate with each other to bind the patient's limbs, thereby realizing automatic adjustment of the binding and tightening force and time of the patient's limbs, which can ensure the emergency hemostasis effect while not easily causing medical accidents such as ischemic necrosis of the patient's limbs due to long-term ischemia, thereby effectively improving the convenience and safety of use; it is also possible to transmit a control signal to the controller 44 by operating the manual control button according to the needs, and use the controller to start the micro motor 32 to work according to the predetermined requirements to realize manual adjustment of the binding and tightening force, and, according to the environmental lighting requirements, transmit a control signal to the controller 44 by operating the manual control button to start the lighting lamp 200 to emit light to illuminate the environment, so that medical staff can check the patient's blood vessels and emergency hemostasis in a dark environment, thereby effectively improving the convenience of use.

[0025] In this embodiment, the charging head 43 is a magnetic charging head with a charging indicator light and can be connected to an external power supply device for charging the battery 42 .

[0026] In this embodiment, the pressure sensor 46 is a LL-250 type patch pressure sensor. The controller 44 is a PLC programmable controller.

[0027] When the present embodiment is used specifically, first, when the patient's limbs are injured and bleeding and emergency hemostasis is required, the annular structure formed by the arc seat body 1 and the connecting buckle 21 of the hemostasis component 2, the hemostasis belt body 22, the limiting guide groove 23, and the belt receiving frame 33 of the adjustment component 3 are sleeved on the predetermined position of the patient's limb; secondly, under the shock absorbing protection function of the shock absorbing pad 31 of the adjustment component 3 and the power supply of the battery 42 of the power supply control component 4 and the adjustment control of the controller 44 and the control light module 45, under the limitation of the base 41, and the charging head 43 is connected to the external charging device to charge the battery 42 After charging, the controller 44 is started to work through the start switch 100 under the power supply of the battery 42, and the controller 44 starts the micro motor 32 to work according to the predetermined time, and the active end of the micro motor 32 drives the belt receiving frame 33 to rotate together with the active end of the tourniquet body 22, so that the active end of the tourniquet body 22 is contracted, tightened or stretched, thereby completing the length adjustment of the tourniquet body 22 to achieve tightness adjustment; then, the pressure sensor 46 collects the tightening force information of the tourniquet body 22 and the arc seat body 1 in real time to cooperate with each other to bind the patient's limbs and transmits it to the controller 44 synchronously, The controller 44 is used to automatically control the working state of the micro motor 32 to adjust the length of the tourniquet body 22 to an appropriate length, so that the tourniquet body 22 and the arc seat body 1 cooperate with each other to adjust the binding and tightening force of the patient's limbs to a predetermined binding and tightening force; finally, according to the needs, the controller 44 controls the working state of the micro motor 32 to maintain the binding and tightening time of the tourniquet body 22 and the arc seat body 1 to the patient's limbs, thereby realizing automatic adjustment of the binding and tightening force and time of the patient's limbs, which can ensure the emergency hemostasis effect while not easily causing the patient's limbs to be damaged due to long-term use. The medical accident of ischemic necrosis caused by ischemia of the interstitial space can be prevented, which effectively improves the convenience and safety of use; according to the needs, the control signal can be transmitted to the controller 44 by operating the manual control button, and the micro motor 32 can be started by the controller to work according to the predetermined requirements to realize the manual adjustment of the tightening force of the binding, and according to the environmental lighting requirements, the control signal can be transmitted to the controller 44 by operating the manual control button to start the lighting lamp 200 to emit light to illuminate the environment, so that medical staff can check the patient's blood vessels and emergency hemostasis in a dark environment, which effectively improves the convenience of use.

[0028] In conclusion, the utility model adopts the above structure, which has the advantages of being able to automatically adjust the binding and tightening force and time to ensure the hemostatic effect and not easily causing ischemic necrosis of the patient's limbs.

[0029] The above describes the preferred embodiments of the utility model. It should be understood that the utility model is not limited to the above-mentioned specific implementation methods, and the devices and structures that are not described in detail should be understood to be implemented in a common manner in the art; any technician familiar with the art can use the above-disclosed methods and technical contents to make many possible changes and modifications to the technical solutions of the utility model without departing from the scope of the technical solution of the utility model, or modify them into equivalent embodiments of equivalent changes, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of protection of the technical solution of the utility model.

Claims

1. A tourniquet structure with automatic elastic adjustment, comprising an arc seat body (1) that can be placed on the skin of a patient's limb; characterized in that: The arc seat body (1) is provided with a hemostatic component (2) which cooperates with the arc seat body (1) to bind and tighten the patient's limbs to implement an emergency hemostasis operation; the arc seat body (1) is also provided with an adjustment component (3) which is connected to the hemostatic component (2) and is used to adjust and control the binding and tightening force and time of the hemostatic component (2), and the adjustment component (3) is electrically connected to a power supply control component (4) provided on the arc seat body (1).

2. The elasticity automatically adjustable tourniquet structure according to claim 1 is characterized in that: The hemostatic component (2) comprises a tourniquet body (22) which is arranged inside one side end of the arc seat body (1) through a connecting buckle (21), and the movable end of the tourniquet body (22) passes through the end of the arc seat body (1) and extends to the outside. A limiting guide groove (23) is provided on the other side end of the arc seat body (1) away from the connecting buckle (21) for guiding the movable end of the tourniquet body (22) to extend from the end of the arc seat body (1) into the interior and connect with the adjustment component (3).

3. The elasticity automatically adjustable tourniquet structure according to claim 2 is characterized in that: The adjustment component (3) comprises a shock-absorbing pad (31) arranged in the arc seat body (1) near one end of the limiting guide groove (23), and a micro motor (32) electrically connected to the power supply control component (4) is arranged on the shock-absorbing pad (31), and the output shaft of the micro motor (32) is connected to the movable end of the tourniquet body (22) through a belt take-up frame (33).

4. The elasticity automatically adjustable tourniquet structure according to claim 3 is characterized in that: The power supply control component (4) comprises a base (41) arranged in the arc seat body (1) near one end of the connecting buckle (21); a battery (42) is arranged on the top of one side of the base (41), and the battery (42) is connected to a charging head (43) arranged on the outer wall of the arc seat body (1) through a conductive wire harness; a controller (44) electrically connected to the micro motor (32) is also arranged on the top of the other side of the base (41), and the controller (44) is electrically connected to a control light module (45) arranged on the outer wall of the arc seat body (1); and a pressure sensor (46) is embedded in the bottom of the arc seat body (1) and electrically connected to the controller (44) for collecting information on the tightening force of the bundle so as to automatically adjust the tightening force of the bundle, wherein the controller (44) is electrically connected to the battery (42).

5. The elasticity automatically adjustable tourniquet structure according to claim 4 is characterized in that: The control light module (45) comprises a start switch (100) arranged on the outer wall of the arc seat body (1), a lighting lamp (200) arranged on the outer wall of the arc seat body (1) and located on one side of the start switch (100) for providing lighting, and a manual control button (300) arranged on the outer wall of the arc seat body (1) and located on the other side of the start switch (100) for manually controlling the operation of the micro motor (32) and the lighting lamp (200), wherein the start switch (100), the lighting lamp (200) and the manual control button (300) are all electrically connected to the controller (44).

6. The elasticity automatically adjustable tourniquet structure according to claim 4 is characterized in that: The charging head (43) is a magnetic charging head with a charging indicator light and can be connected to an external power supply device for charging the storage battery (42).

7. The elasticity automatically adjustable tourniquet structure according to claim 4 is characterized in that: The pressure sensor (46) is a LL-250 type patch pressure sensor.

8. The elasticity automatically adjustable tourniquet structure according to any one of claims 4 to 7, characterized in that: The controller (44) is a PLC programmable controller.

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