Hemodialysis internal fistula training device

Abstract

The invention relates to the technical field of hemodialysis internal fistula training devices, and discloses a hemodialysis internal fistula training device which comprises a training box and further comprises a top plate arranged at the top of the training box; the PLC is arranged on the front surface of the training box; the forearm training assembly is arranged at the top of the top plate and comprises a first arc-shaped plate arranged at the top of the top plate, a second arc-shaped plate is arranged on one side of the first arc-shaped plate, a supporting pad is arranged on an inner ring of the second arc-shaped plate, and a first motor is fixedly connected to the top of the training box; the output end of the first motor is fixedly connected with a rotating pipe, and the interior of the rotating pipe is in threaded connection with an adjusting rod. By arranging the forearm training assembly, the positioning assembly, the wrist training assembly and the finger training assembly, different parts of arms of a patient can be trained in different modes, then the training efficiency of the patient is improved, meanwhile, the working intensity of medical workers is reduced, and normal training work is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of hemodialysis internal fistula training devices, in particular to a hemodialysis internal fistula training device. Background Art

[0002] Hemodialysis is one of the renal replacement therapies for patients with acute and chronic renal failure. It drains blood from the body to the outside of the body through a dialyzer composed of countless hollow fibers. The blood and an electrolyte solution (dialysate) containing electrolytes at similar concentrations to the body are exchanged inside and outside the hollow fibers through the principles of diffusion, ultrafiltration, adsorption and convection to remove metabolic waste from the body and maintain electrolyte and acid-base balance. At the same time, it removes excess water from the body and returns the purified blood. The whole process is called hemodialysis. Hemodialysis fistula is a surgical anastomosis of adjacent arteries and veins to form an artificial arteriovenous shunt during the treatment of hemodialysis patients. This allows part of the blood in the arteries to be directly introduced into the veins, thereby increasing the blood flow in the veins to meet the needs of hemodialysis, providing sufficient blood supply for dialysis treatment, while reducing the difficulty of puncture and improving dialysis efficiency.

[0003] At present, after completing fistula surgery, patients need to recover from the operation. During the recovery, they need to undergo rehabilitation training, which requires the use of training devices. However, some existing training devices train the patient's arm by lifting and lowering it. The training parts are relatively single, and during the training, medical staff are required to train the rest of the patient's arm. The training efficiency is low, and the workload of medical staff is high, which affects the patient's normal training progress. Summary of the invention

[0004] The purpose of the present invention is to provide a hemodialysis fistula training device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a hemodialysis fistula training device, comprising a training box, and further comprising: A top plate disposed on the top of the training box; A PLC controller disposed on the front surface of the training box; A forearm training assembly is arranged on the top of the top plate, the forearm training assembly comprises a first arc plate arranged on the top of the top plate, a second arc plate is arranged on one side of the first arc plate, a support pad is arranged on the inner circle of the second arc plate, a first motor is fixedly connected to the top of the training box, a rotating tube is fixedly connected to the output end of the first motor, an adjusting rod is threadedly connected to the inner part of the rotating tube, a first rotating ball is rotatably connected to the inner part of the adjusting rod, and a bottom tube is fixedly connected to the top of the training box; A positioning assembly is arranged inside the training box, the positioning assembly includes a clamping plate arranged inside the training box, a screw mechanism is arranged inside the training box, and a soft cushion is fixedly connected to the inner ring of the clamping plate; A wrist training component is arranged inside the training box, the wrist training component comprises a first placement plate arranged inside the training box, one side of the first placement plate is rotatably connected to a second placement plate, a first elastic band is arranged on the top of the first placement plate, and a cylinder is fixedly connected to the bottom of the inner cavity of the training box; A finger training component is arranged inside the training box, and the finger training component includes a moving plate slidably connected to the inside of the training box, a second motor is fixedly connected to one side of the inner wall of the training box, and an elastic rope is arranged on one side of the moving plate.

[0006] Preferably, a spring is welded to the bottom of the inner cavity of the bottom tube, a sliding tube is welded to the top of the spring, the outer side of the sliding tube is slidably connected to the inner wall of the bottom tube, and the interior of the sliding tube is rotatably connected to a second rotating ball.

[0007] Preferably, the outer side of the second rotating ball is rotatably connected to the inside of the first arc-shaped plate, an elastic ball is arranged inside the first arc-shaped plate, and a second elastic belt is arranged on the top of the first arc-shaped plate.

[0008] Preferably, a connecting belt is fixedly connected to one side of the first arc-shaped plate, an end of the connecting belt away from the first arc-shaped plate is fixedly connected to one side of the second arc-shaped plate, and a supporting column is provided on the inner circle of the supporting pad.

[0009] Preferably, the top of the cushion is connected to a first connecting tube, the top of the first connecting tube is connected to a second connecting tube, and the outer side of the first connecting tube is connected to a third connecting tube.

[0010] Preferably, the end of the third connecting tube away from the first connecting tube is connected to an adjusting airbag, the top of the adjusting airbag is connected to a discharge pipe, the rear surface of the clamping plate is fixedly connected to a side rod, and the outer side of the side rod is slidably connected to a side tube.

[0011] Preferably, the piston rod of the cylinder is fixedly connected to a push rod, the inside of the push rod is rotatably connected to a third rotating ball, and the outside of the third rotating ball is rotatably connected to a connecting seat.

[0012] Preferably, the bottom of the second placement plate is fixedly connected to a connecting rod, the outer side of the connecting rod is slidably connected to a fixing tube, and the bottom of the fixing tube is fixedly connected to the bottom of the inner cavity of the training box.

[0013] Preferably, a soft board is provided on the top of the second placement board, and a base is fixedly connected to the bottom of the second placement board.

[0014] Preferably, the output end of the second motor is fixedly connected to a transmission tube, the internal thread of the transmission tube is connected to a screw, one end of the screw is fixedly connected to a fixing seat, one side of the fixing seat is fixedly connected to one end of an elastic rope, a placement groove is provided inside the movable plate, and the end of the elastic rope away from the fixing seat is fixedly connected to a positioning seat.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a forearm training component. Under the action of the second elastic band, the forearm of the patient can be tied and positioned. Then, by starting the first motor, the rotating tube starts to rotate under the action of the first motor, and then the adjusting rod can move inside the rotating tube, so that the height of the first arc plate can be adjusted. Under the action of the first rotating ball, the placement angle of the first arc plate is adjusted. At the same time, under the action of the second rotating ball, the first arc plate is kept stable during the angle adjustment movement, so that the patient's elbow position can be placed on the top of the supporting column, and the patient's forearm can be repeatedly moved, so as to exercise the patient's forearm. At the same time, under the action of the supporting column and the supporting pad, the comfort of the patient's elbow can be improved; 2. The present invention provides a positioning component. When a patient needs to perform wrist and finger training, the patient first needs to put the arm into the training box. At the same time, the outer side of the screw mechanism is provided with equidistant and oppositely directed external threads. Then, under the action of the screw mechanism, the two clamping plates can move in opposite directions, so that the clamping plates can drive the cushions provided on their inner circles to move, so that the inner circles of the cushions can fit with the outer sides of the patient's arms. Then, by pressing the airbags, the cushions can expand to different degrees, so that the patient's arms can be positioned, which is convenient for subsequent wrist and finger training. 3. The present invention provides a wrist training component. When a patient needs to perform wrist training, after positioning the arm, the patient places the wrist on the top of the first placement board and starts the cylinder. Under the action of the cylinder, the push rod can be driven to move, and then under the action of the push rod, the third rotating ball and the connecting seat, the first placement board can be driven to move. The first placement board is rotatably connected with the second placement board through a rotating shaft, so that the angle of the first placement board can be adjusted, thereby lifting the patient's wrist for repeated movements, which is convenient for the patient to perform wrist training; 4. The present invention provides a finger training component. When a patient needs to perform finger rehabilitation training, the patient first extends the finger through the placement slot, and then starts the second motor. When the second motor starts to work, the transmission tube can be driven to rotate under the action of the second motor, and then the transmission tube can drive the screw to move when it rotates, so that the length of the screw can be adjusted inside the transmission tube. When the screw moves, the elastic rope can be driven to move through the fixed seat, and then the movable plate can be moved through the placement slot and the movable plate, so as to train the patient's finger part. At the same time, when the screw moves, the movement speed of the movable plate can be adjusted, thereby reducing the pain of the patient during finger training. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram of a preferred embodiment of the hemodialysis fistula training device provided by the present invention; Figure 2 A schematic diagram of the structure of a forearm training assembly provided by the present invention; Figure 3 A schematic diagram of the internal structure of the training box provided by the present invention; Figure 4 A schematic diagram of the structure of the positioning assembly provided by the present invention; Figure 5 A schematic diagram of the structure of the wrist training component provided by the present invention; Figure 6 A schematic diagram of the connection between the connecting seat and the cylinder structure provided by the present invention; Figure 7 This is a schematic structural diagram of the finger training component provided by the present invention.

[0017] In the figure: 1, training box; 2, top plate; 3, PLC controller; 4, forearm training assembly; 41, first arc plate; 42, second arc plate; 43, support pad; 44, first motor; 45, rotating tube; 46, adjusting rod; 47, first rotating ball; 48, bottom tube; 5, positioning assembly; 51, clamping plate; 52, screw mechanism; 53, cushion; 6, wrist training assembly; 61, first placement plate; 62, second placement plate; 63, first elastic band; 64, cylinder; 7, finger training assembly; 71, moving plate; 72, second motor; 73 , elastic rope; 8, spring; 9, sliding tube; 10, second rotating ball; 11, elastic ball; 12, second elastic belt; 13, connecting belt; 14, supporting column; 15, first connecting tube; 16, second connecting tube; 17, third connecting tube; 18, adjusting airbag; 19, discharge pipe; 20, side rod; 21, side tube; 22, top rod; 23, third rotating ball; 24, connecting seat; 25, connecting rod; 26, fixed tube; 27, soft board; 28, base; 29, transmission tube; 30, screw; 31, fixed seat; 32, placement groove; 33, positioning seat. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-7 As shown, a hemodialysis fistula training device includes a training box 1, and the patient can perform finger training, forearm training and wrist training through the various components inside the training box 1, so as to improve the patient's recovery speed. It also includes: a top plate 2 arranged on the top of the training box 1, under the action of the top plate 2, the training box 1 can be sealed, and it is convenient for the patient to perform forearm training; a PLC controller 3 arranged on the front surface of the training box 1, by setting the PLC controller 3, it is convenient for medical staff to control various components of the device; a forearm training component 4 arranged on the top of the top plate 2, by setting the forearm training component 4, the patient's forearm can be repeatedly raised and lowered, so as to facilitate the training of the patient's forearm, the forearm training component 4 includes a first arc plate 41 arranged on the top of the top plate 2, so that the patient can place the forearm on the top of the first arc plate 41, so as to train the patient's forearm, and a second arc plate 42 is arranged on one side of the first arc plate 41, and by setting the second arc plate 42, the patient's elbow can be The top of the training box 1 is placed to facilitate supporting the patient's elbow. The inner circle of the second arc-shaped plate 42 is provided with a support pad 43. By providing the support pad 43 and the support column 14, it is convenient to support the patient's elbow and improve the comfort of the patient when performing forearm training. The top of the training box 1 is fixedly connected with a first motor 44, and the output end of the first motor 44 is fixedly connected with a rotating tube 45. The internal thread of the rotating tube 45 is connected with an adjusting rod 46. The first motor 44 is started. Under the action of the first motor 44, the rotating tube 45 can be driven to rotate, and then the rotating tube 45 can drive the adjusting rod 46 to rotate, and then the height of the first arc plate 41 can be adjusted by the first rotating ball 47, so that the patient's forearm placed on the top of the first arc plate 41 can be trained. The internal rotation of the adjusting rod 46 is connected with the first rotating ball 47. Under the action of the first rotating ball 47, when the height of the first arc plate 41 is adjusted, the first arc plate 41 will be at a certain angle. The top of the training box 1 is fixedly connected with a bottom tube 48. A positioning component 5 is arranged inside the training box 1. By setting the positioning component 5, under the action of the positioning component 5, the patient's arm can be positioned and clamped, so as to facilitate the patient to perform wrist training and finger training. The positioning component 5 includes a clamping plate 51 arranged inside the training box 1. Under the action of the two clamping plates 51, the patient's arm can be positioned and clamped, so as to facilitate the patient to perform subsequent training. A screw mechanism 52 is arranged inside the training box 1. Under the action of the screw mechanism 52, the screw in the screw mechanism 52 is provided with equidistant and oppositely directed external threads on its outer side, so that when the screw mechanism 52 operates normally, the two clamping plates 51 can move in opposite directions. The inner circle of the clamping plate 51 is fixedly connected with a soft pad 53. Under the action of the soft pad 53, when the patient's arm is clamped and positioned, the clamped part of the patient's arm can be protected, thereby improving the patient's comfort. The wrist training component 6 arranged inside the training box 1 can drive the patient's wrist to perform repeated movements under the action of the wrist training component 6, so as to train the patient's wrist. The wrist training component 6 includes a first placement plate 61 arranged inside the training box 1, which is convenient for positioning the patient's wrist. A second placement plate 62 is rotatably connected to one side of the first placement plate 61. A first elastic band 63 is arranged on the top of the first placement plate 61. Under the action of the first elastic band 63, the patient's wrist can be positioned to prevent the patient's wrist from being separated from the first placement plate 61 when the first placement plate 61 moves. A cylinder 64 is fixedly connected to the bottom of the inner cavity of the training box 1. Under the action of the cylinder 64, the placement height of the first placement plate 61 can be adjusted; The finger training component 7 arranged inside the training box 1 can train the patient's fingers and assist the patient's fingers in moving under the action of the finger training component 7. The finger training component 7 includes a moving plate 71 slidably connected to the inside of the training box 1. Under the action of the moving plate 71, after the patient's fingers are placed inside the placement groove 32, the fingers are moved so that the fingers are in a curled state. When the moving plate 71 moves, the fingers can be gradually stretched, thereby assisting the patient's fingers in training. A second motor 72 is fixedly connected to one side of the inner wall of the training box 1, and an elastic rope 73 is arranged on one side of the moving plate 71. Under the action of the elastic rope 73, the moving plate 71 can be driven to move through the positioning seat 33, thereby assisting the training of the patient's finger parts.

[0020] refer to Figure 1 and Figure 2As shown, a spring 8 is welded to the bottom of the inner cavity of the bottom tube 48. Under the action of the first motor 44, one end of the first arc plate 41 rises, so that the first arc plate 41 can drive the spring 8 to be compressed through the sliding tube 9, so that the movement of the sliding tube 9 can remain stable. A sliding tube 9 is welded to the top of the spring 8. The outer side of the sliding tube 9 is slidably connected to the inner wall of the bottom tube 48. The inside of the sliding tube 9 is rotatably connected to the second rotating ball 10. When one end of the first arc plate 41 rises, the other end thereof is lowered, and then under the action of the second rotating ball 10, the first arc plate 41 can remain stable when the angle is adjusted.

[0021] The outer side of the second rotating ball 10 is rotatably connected to the inside of the first arc plate 41. An elastic ball 11 is arranged inside the first arc plate 41. Under the action of the elastic ball 11, the patient's forearm placed on the top of the first arc plate 41 can be protected, so that the comfort of the patient's forearm is improved. A second elastic belt 12 is arranged on the top of the first arc plate 41. Under the action of the second elastic belt 12, the patient's forearm can be positioned and clamped, so that the patient's forearm can be trained normally.

[0022] A connecting belt 13 is fixedly connected to one side of the first curved plate 41. By setting the connecting belt 13, the first curved plate 41 can remain stable when the angle is adjusted, and the first curved plate 41 can operate normally. The end of the connecting belt 13 away from the first curved plate 41 is fixedly connected to one side of the second curved plate 42. When the first curved plate 41 moves, the second curved plate 42 can remain stable, so that the patient's elbow can be placed stably. The inner circle of the support pad 43 is provided with a support column 14. Under the action of the support pad 43 and the support column 14, the comfort of the patient's elbow is improved when the patient's arm is trained.

[0023] refer to Figure 3 and Figure 4 As shown, the top of the cushion 53 is connected to the first connecting tube 15, the top of the first connecting tube 15 is connected to the second connecting tube 16, and the outer side of the first connecting tube 15 is connected to the third connecting tube 17. Under the action of the third connecting tube 17, the gas inside the regulating airbag 18 can enter the interior of the two cushions 53, and then the expansion degree of the cushion 53 can be adjusted.

[0024] The end of the third connecting tube 17 away from the first connecting tube 15 is connected to an adjusting airbag 18. Under the action of the adjusting airbag 18, medical staff can adjust the expansion degree of the cushion 53 according to the patient's arm size. The top of the adjusting airbag 18 is connected to a discharge pipe 19. The number of the discharge pipes 19 is set to two, and a solenoid valve is set on the outside of each discharge pipe to facilitate the adjustment of the gas pressure inside the cushion 53. The rear surface of the card plate 51 is fixedly connected to the side rod 20, and the outside of the side rod 20 is slidably connected to the side tube 21. When the card plate 51 moves, it can drive the side rod 20 to slide inside the side tube 21, so that the movement of the card plate 51 can remain stable.

[0025] refer to Figure 3 , Figure 5 and Figure 6 As shown, the piston rod of the cylinder 64 is fixedly connected to the push rod 22. When the cylinder 64 is working, the placement angle of the first placement plate 61 can be adjusted by the third rotating ball 23. The inner rotation of the push rod 22 is connected to the third rotating ball 23, and the outer rotation of the third rotating ball 23 is connected to the connecting seat 24. The top of the connecting seat 24 is fixedly connected to the bottom of the first placement plate 61. Under the action of the third rotating ball 23, the first placement plate 61 can be adjusted to a certain degree of angle.

[0026] The bottom of the second placement plate 62 is fixedly connected with a connecting rod 25. When the medical staff adjusts the height and angle of the first placement plate 61 through the cylinder 64, the second placement plate 62 can drive the connecting rod 25 to slide inside the fixed tube 26 through the rotating shaft between the first placement plate 61 and the second placement plate 62, so that the height of the second placement plate 62 and the first placement plate 61 can be kept consistent, thereby facilitating the training of the patient's wrist area. The outer side of the connecting rod 25 is slidably connected with the fixed tube 26, and the bottom of the fixed tube 26 is fixedly connected to the bottom of the inner cavity of the training box 1.

[0027] A soft board 27 is provided on the top of the second placement board 62. Under the action of the soft board 27, the arm part of the patient placed on the top of the second placement board 62 can be supported to improve the comfort of the patient. The bottom of the second placement board 62 is fixedly connected to a base 28.

[0028] refer to Figure 3 and Figure 7As shown, the output end of the second motor 72 is fixedly connected to the transmission tube 29. The second motor 72 is started. Under the action of the second motor 72, the transmission tube 29 can be driven to rotate, and then under the action of the transmission tube 29, the screw 30 can be moved inside the transmission tube 29, and then the position of the movable plate 71 can be adjusted. The internal thread of the transmission tube 29 is connected with the screw 30, and one end of the screw 30 is fixedly connected to the fixing seat 31. When the screw 30 moves, it can drive the fixing seat 31 to move, and then under the action of the fixing seat 31, the elastic rope 73 is driven to extend or restore. Under the action of the screw 30, the elastic rope 73 can be controlled to retract at a relatively uniform speed, so as to prevent the movable plate 71 from causing damage to the patient's finger part. One side of the fixing seat 31 is fixedly connected to one end of the elastic rope 73, and a placement groove 32 is provided inside the movable plate 71. The end of the elastic rope 73 away from the fixing seat 31 is fixedly connected to the positioning seat 33.

[0029] Working principle: After completing the arteriovenous fistula surgery, when the patient undergoes rehabilitation training through the device, when the patient needs to train the forearm, first the forearm is passed through the second elastic band 12, and the forearm of the patient is positioned under the action of the second elastic band 12, and the elbow is placed on the top of the second arc plate 42, and the first motor 44 is started. Under the action of the first motor 44, the rotating tube 45 can be driven to rotate, thereby causing the adjusting rod 46 to move. When the adjusting rod 46 moves, the first arc plate 41 can be driven to move, so that the placement of the first arc plate 41 The angle and placement height can be adjusted so that the patient's forearm can be trained. When wrist training and finger training are required, the patient first puts the arm into the training box 1. After the patient's wrist is placed on the top of the first placement plate 61, the screw mechanism 52 starts to move. Under the action of the screw, the two card plates 51 can move in opposite directions, so that the two card plates 51 can move to the specified position, and then the solenoid valve at the discharge pipe 19 is opened through the PLC controller 3, and the airbag 18 is pressed to adjust, so that the cushion 53 can be When the outside of the cushion 53 is inflated, the outside of the patient's arm is tightly fitted to the outside of the patient's arm, so that the patient's arm can be positioned, so as to facilitate wrist training and finger training for the patient. When the patient's wrist needs to be trained, the cylinder 64 is first started. Under the action of the cylinder 64, the push rod 22 can be driven to move, and then under the action of the push rod 22, the first placement plate 61 can be driven to move. When the first placement plate 61 moves, a certain angle can be adjusted, thereby driving the patient's wrist at the top of the first placement plate 61 to move, so as to facilitate the patient's wrist training. When the patient needs to train the wrist, when the patient needs to train the finger, first let the finger pass through the placement slot 32, then curl the finger, the finger is located on one side of the movable plate 71, start the second motor 72, under the action of the second motor 72, the transmission tube 29 can be driven to move, and then the screw rod 30 can drive the fixing seat 31 to move, so that when the elastic rope 73 is extended and retracted, its speed can be controlled to prevent the movement of the movable plate 71 from causing certain damage to the patient's finger, thereby facilitating the rehabilitation training of the patient, improving the training efficiency, and reducing the workload of medical staff.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hemodialysis fistula training device, comprising a training box (1), characterized in that: Also includes: A top plate (2) disposed on the top of the training box (1); A PLC controller (3) disposed on the front surface of the training box (1); A forearm training component (4) arranged on the top of the top plate (2), the forearm training component (4) comprising a first arc-shaped plate (41) arranged on the top of the top plate (2), a second arc-shaped plate (42) being arranged on one side of the first arc-shaped plate (41), a support pad (43) being arranged on the inner ring of the second arc-shaped plate (42), a first motor (44) being fixedly connected to the top of the training box (1), a rotating tube (45) being fixedly connected to the output end of the first motor (44), an adjusting rod (46) being internally threadedly connected to the rotating tube (45), a first rotating ball (47) being rotatably connected to the inside of the adjusting rod (46), and a bottom tube (48) being fixedly connected to the top of the training box (1); A positioning assembly (5) arranged inside the training box (1), the positioning assembly (5) comprising a clamping plate (51) arranged inside the training box (1), a screw mechanism (52) being arranged inside the training box (1), and a soft pad (53) being fixedly connected to the inner ring of the clamping plate (51); A wrist training component (6) is arranged inside the training box (1), the wrist training component (6) comprising a first placement plate (61) arranged inside the training box (1), a second placement plate (62) being rotatably connected to one side of the first placement plate (61), a first elastic band (63) being arranged on the top of the first placement plate (61), and a cylinder (64) being fixedly connected to the bottom of the inner cavity of the training box (1); A finger training component (7) is arranged inside the training box (1), the finger training component (7) comprising a moving plate (71) slidably connected to the inside of the training box (1), a second motor (72) is fixedly connected to one side of the inner wall of the training box (1), and an elastic rope (73) is arranged on one side of the moving plate (71).

2. A hemodialysis fistula training device according to claim 1, characterized in that: A spring (8) is welded to the bottom of the inner cavity of the bottom tube (48), a sliding tube (9) is welded to the top of the spring (8), the outer side of the sliding tube (9) is slidably connected to the inner wall of the bottom tube (48), and the interior of the sliding tube (9) is rotatably connected to a second rotating ball (10).

3. A hemodialysis fistula training device according to claim 2, characterized in that: The outer side of the second rotating ball (10) is rotatably connected to the inside of the first arc-shaped plate (41), an elastic ball (11) is arranged inside the first arc-shaped plate (41), and a second elastic band (12) is arranged on the top of the first arc-shaped plate (41).

4. The hemodialysis fistula training device according to claim 1, characterized in that: A connecting belt (13) is fixedly connected to one side of the first arc-shaped plate (41), an end of the connecting belt (13) away from the first arc-shaped plate (41) is fixedly connected to one side of the second arc-shaped plate (42), and a supporting column (14) is provided on the inner ring of the supporting pad (43).

5. The hemodialysis fistula training device according to claim 1, characterized in that: The top of the cushion (53) is connected to a first connecting tube (15), the top of the first connecting tube (15) is connected to a second connecting tube (16), and the outside of the first connecting tube (15) is connected to a third connecting tube (17).

6. The hemodialysis fistula training device according to claim 5, characterized in that: One end of the third connecting tube (17) away from the first connecting tube (15) is connected to an adjusting airbag (18), the top of the adjusting airbag (18) is connected to a discharge pipe (19), the rear surface of the clamping plate (51) is fixedly connected to a side rod (20), and the outer side of the side rod (20) is slidably connected to a side tube (21).

7. The hemodialysis fistula training device according to claim 1, characterized in that: The piston rod of the air cylinder (64) is fixedly connected to a push rod (22), the interior of the push rod (22) is rotatably connected to a third rotating ball (23), and the exterior of the third rotating ball (23) is rotatably connected to a connecting seat (24).

8. The hemodialysis fistula training device according to claim 1, characterized in that: The bottom of the second placement plate (62) is fixedly connected to a connecting rod (25), the outer side of the connecting rod (25) is slidably connected to a fixing tube (26), and the bottom of the fixing tube (26) is fixedly connected to the bottom of the inner cavity of the training box (1).

9. The hemodialysis fistula training device according to claim 1, characterized in that: A soft board (27) is provided on the top of the second placement board (62), and a base (28) is fixedly connected to the bottom of the second placement board (62).

10. The hemodialysis fistula training device according to claim 1, characterized in that: The output end of the second motor (72) is fixedly connected to a transmission tube (29), the internal thread of the transmission tube (29) is connected to a screw rod (30), one end of the screw rod (30) is fixedly connected to a fixing seat (31), one side of the fixing seat (31) is fixedly connected to one end of an elastic rope (73), a placement groove (32) is provided inside the movable plate (71), and one end of the elastic rope (73) away from the fixing seat (31) is fixedly connected to a positioning seat (33).

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