Ankle movement device for medical rehabilitation

Abstract

The invention discloses an ankle movement device for medical rehabilitation, and relates to the technical field of medical instruments. The ankle movement device for medical rehabilitation comprises a mounting box, fixing devices are arranged on the two sides of the mounting box, the fixing devices are connected with a sickbed, a top plate is arranged on the outer wall of the top of the mounting box, and a driving gear and a first incomplete gear are rotationally connected to the outer wall of the top of the top plate; first incomplete gears are arranged on the two sides of the driving gear correspondingly, and the rotating directions of the first incomplete gears on the two sides of the driving gear are opposite. Through cooperative use of structures such as motor driving and a gear transmission system, front-back angle change and left-right rotating motion of pedals are achieved, toes can be used for grabbing and releasing sanding cloth to exercise the feet, the ankle joint serves as the center, the triceps calf muscle and the tibia anterior muscle extrude blood and lymphatic waves to flow back during contraction, and therefore the function of exercising the feet is achieved. Fresh blood flows in again when the patient relaxes, so that retention of the blood in lower limb veins is effectively reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to an ankle mobilizer for medical rehabilitation. Background Art

[0002] Spinal anesthesia is a commonly used anesthesia method, which is widely used in surgery and pain management. Spinal anesthesia is achieved by injecting local anesthetic drugs into the patient's subarachnoid space to achieve anesthesia in a specific area.

[0003] Before anesthesia is recovered, the lower limb muscles of bedridden patients are in a relaxed state, blood flow is slow, the venous endothelium is damaged and the blood is in a hypercoagulable state, which is prone to venous thrombosis. Therefore, we propose a passive ankle joint exercise device, an ankle mobilizer that prevents the formation of venous thrombosis to solve the problems raised in the above background technology. Summary of the invention

[0004] The purpose of the present invention is to provide an ankle mobilizer for medical rehabilitation, which solves the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an ankle mobilizer for medical rehabilitation, comprising an installation box, fixing devices are arranged on both sides of the installation box, the fixing devices are connected to the hospital bed, a top plate is arranged on the top outer wall of the installation box, a driving gear and an incomplete gear 1 are rotatably connected to the top outer wall of the top plate, an incomplete gear 1 is arranged on both sides of the driving gear, the incomplete gear 1 on both sides of the driving gear rotates in opposite directions, the driving gear meshes with the outer wall of the incomplete gear 1, a motor 1 is fixedly connected to the inner wall of the installation box, the output shaft of the motor 1 is connected to the driving gear, the outer wall of the incomplete gear 1 is fixedly connected to the support plate, the The top outer wall of the support plate is fixedly connected to a mounting plate, a pedal is arranged between the outer walls of the mounting plates, and the outer walls on both sides of the pedal are fixedly connected to a connecting shaft, the outer wall of the connecting shaft is rotatably connected to the inner wall of the mounting plate, the inner side wall of the mounting plate is rotatably connected to a driven gear, an incomplete gear 2, and an incomplete gear 3, an outer wall of one side of the driven gear is fixedly connected to one end of the connecting shaft, the incomplete gear 2 and the incomplete gear 3 are respectively arranged on the upper and lower sides of the driven gear, the outer walls of the incomplete gear 2 and the incomplete gear 3 are meshed with the outer wall of the driven gear, and the outer side wall of the mounting plate is fixedly connected to a motor 2 and a motor 3 connected to the incomplete gear 2 and the incomplete gear 3;

[0006] A leg support is arranged above the two incomplete gears 1, the bottom outer wall of the leg support is fixedly connected to a rotating seat, the top outer wall of the incomplete gear 1 is fixedly connected to a connecting rod, the top outer wall of the connecting rod is fixedly connected to a fixed seat, and the outer wall of the rotating seat is rotatably connected to the outer wall of the fixed seat.

[0007] Preferably, a shell is clamped on the top outer wall of the footrest, a brushed cloth is fixedly connected to the outer wall of the shell, and a limiting belt is arranged on the top of the footrest.

[0008] Preferably, a transmission tube is fixedly connected to the inner wall of the foot pedal, and the transmission tube is arranged in an S shape inside the foot pedal. An exhaust hole is provided on the top outer wall of the transmission tube, and an air vent is provided on the top outer wall of the outer shell. A heating fan is fixedly connected to the outer wall of one side of the foot pedal, and one end of the transmission tube is connected to the air outlet of the heating fan.

[0009] Preferably, the incomplete gear 2 and the incomplete gear 3 rotate in opposite directions, and the incomplete gear 2 and the incomplete gear 3 are intermittently meshed with the driven gear.

[0010] Preferably, a strap is fixedly connected to the outer wall of the leg support, and Velcro is provided on the outer wall of the strap, and the straps on both sides of the leg support are adhered by Velcro.

[0011] Preferably, the fixing device includes a limit frame, the inner side of the limit frame is slidably connected to the limit plate, the inner wall of the limit frame is threadedly connected to an adjusting rod, one end of the adjusting rod is fixedly connected to the bottom outer wall of the limit plate, the top outer wall of the limit frame is fixedly connected to a moving block, and one side of the installation box is provided with an adjusting connection structure connected to the moving block.

[0012] Preferably, the adjustment connection structure includes a sliding rod, an outer wall of one side of the installation box is fixedly connected to the sliding rod, an outer wall of one side of the installation box is rotatably connected to a screw rod, the sliding rod and the screw rod pass through the moving block, the inner wall of the moving block is slidingly connected to the outer wall of the sliding rod, the inner wall of the moving block is threadedly connected to the outer wall of the screw rod, the inner wall of the installation box is fixedly connected to a motor four, and the output shaft of the motor four is connected to one end of the screw rod.

[0013] Compared with the related art, the ankle mobilizer for medical rehabilitation provided by the present invention has the following beneficial effects:

[0014] 1. The present invention provides an ankle mobilizer for medical rehabilitation. Through a motor drive and a gear transmission system, the front and rear angle changes and left and right rotation movements of the pedals are realized. The toes can be used to grab and release the brushed cloth to exercise the feet. With the ankle joint as the center, the two groups of muscles, the triceps surae and the tibialis anterior, squeeze the blood and lymph waves back when contracting, and fresh blood flows back when relaxing, which effectively reduces the blood retention in the veins of the lower limbs and avoids the formation of venous thrombosis.

[0015] 2. The present invention provides an ankle mobilizer for medical rehabilitation, which adopts an adjustable limit frame and limit plate design, and can be flexibly adjusted according to beds of different widths to ensure that the device is firmly fixed on the bed, thereby increasing the stability of the device when in use.

[0016] 3. The present invention provides an ankle mobilizer for medical rehabilitation. The design of the heating fan and the transmission tube provides warmth for the feet in cold seasons, avoiding the problem of the exercise effect being affected by the cold and improving the comfort of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 2 It is a partial structural schematic diagram of the present invention;

[0019] Figure 3 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 4 The support plate structure of the present invention is shown in FIG. Figure 1 ;

[0021] Figure 5 The support plate structure of the present invention is shown in FIG. Figure 2 ;

[0022] Figure 6 It is a schematic diagram of the exploded structure of the footrest of the present invention;

[0023] Figure 7 It is a schematic diagram of the structure of the fixing device of the present invention.

[0024] In the figure: 1. installation box; 2. top plate; 3. driving gear; 4. incomplete gear one; 5. motor one; 6. support plate; 7. installation plate; 8. pedal; 801. housing; 802. brushed cloth; 803. limiting belt; 804. heating fan; 805. transmission pipe; 9. connecting shaft; 10. driven gear; 11. incomplete gear two; 12. incomplete gear three; 13. motor two; 14. motor three; 15. leg support; 16. binding belt; 17. rotating seat; 18. connecting rod; 19. fixed seat; 20. fixing device; 201. limiting frame; 202. limiting plate; 203. adjusting rod; 204. moving block; 205. sliding rod; 206. screw rod; 207. motor four. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 7 The present invention provides a technical solution: an ankle mobilizer for medical rehabilitation, comprising an installation box 1, fixing devices 20 are arranged on both sides of the installation box 1, the fixing devices 20 are connected to the hospital bed, a top plate 2 is arranged on the top outer wall of the installation box 1, a driving gear 3 and an incomplete gear 1 4 are rotatably connected to the top outer wall of the top plate 2, both sides of the driving gear 3 are provided with incomplete gears 1 4, the incomplete gears 1 4 on both sides of the driving gear 3 rotate in opposite directions, the driving gear 3 is meshed with the outer wall of the incomplete gear 1 4, the inner wall of the installation box 1 is fixedly connected to a motor 1 5, the output shaft of the motor 1 5 is connected to the driving gear 3, the outer wall of the incomplete gear 1 4 is fixedly connected to a support plate 6, and the top outer wall of the support plate 6 is fixedly connected to A mounting plate 7 is provided with a pedal 8 between the outer walls of the mounting plate 7, the outer walls of both sides of the pedal 8 are fixedly connected with a connecting shaft 9, the outer wall of the connecting shaft 9 is rotatably connected to the inner wall of the mounting plate 7, the inner wall of the mounting plate 7 is rotatably connected with a driven gear 10, an incomplete gear 2 11, and an incomplete gear 3 12, one side outer wall of the driven gear 10 is fixedly connected to one end of the connecting shaft 9, the incomplete gear 2 11 and the incomplete gear 3 12 are respectively arranged on the upper and lower sides of the driven gear 10, the outer walls of the incomplete gear 2 11 and the incomplete gear 3 12 are meshed with the outer wall of the driven gear 10, and the outer side wall of the mounting plate 7 is fixedly connected with a motor 2 13 and a motor 3 14 connected to the incomplete gear 2 11 and the incomplete gear 3 12;

[0027] A leg support 15 is provided above the two incomplete gears 4, and the bottom outer wall of the leg support 15 is fixedly connected to a rotating seat 17, the top outer wall of the incomplete gear 4 is fixedly connected to a connecting rod 18, and the top outer wall of the connecting rod 18 is fixedly connected to a fixed seat 19, and the outer wall of the rotating seat 17 is rotatably connected to the outer wall of the fixed seat 19.

[0028] In this embodiment, the user lies on the bed, places the legs on the leg support 15, places the feet on the two pedals 8, starts the motor 2 13 and the motor 3 14, the motor 2 13 drives the incomplete gear 2 11 to rotate clockwise, the motor 3 14 drives the incomplete gear 3 12 to rotate counterclockwise, the incomplete gear 2 11 and the incomplete gear 3 12 drive the driven gear 10 to rotate 120 degrees clockwise, and then rotate 120 degrees counterclockwise, the driven gear 10 drives the pedal 8 to change the front and rear angle through the connecting shaft 9, and exercises the ankle. When the pedal 8 moves up and down, the leg support 15 rotates with the connection point between the rotating seat 17 and the fixed seat 19 as the axis to adapt to the movement of the pedal 8.

[0029] The starting motor 5 drives the driving gear 3 to rotate, and the driving gear 3 drives the incomplete gears 4 on both sides to rotate. The incomplete gears 4 on both sides of the driving gear 3 rotate in opposite directions. The two incomplete gears 4 drive the supporting plates 6 connected thereto to move toward the middle or both sides at the same time, and the pedals 8 on the supporting plates 6 move accordingly. The pedals 8 move clockwise and counterclockwise to the left and right sides to exercise the ankles.

[0030] The outer wall of the top of the pedal 8 is clamped with a shell 801 , the outer wall of the shell 801 is fixedly connected with a brushed cloth 802 , and a limiting belt 803 is provided on the top of the pedal 8 .

[0031] The inner wall of the pedal 8 is fixedly connected with a transmission tube 805, which is arranged in an S shape inside the pedal 8. An exhaust hole is provided on the top outer wall of the transmission tube 805, and an air vent is provided on the top outer wall of the outer shell 801. A heating fan 804 is fixedly connected to the outer wall of one side of the pedal 8, and one end of the transmission tube 805 is connected to the air outlet of the heating fan 804.

[0032] In this embodiment, the limiting belt 803 limits the foot, and a brushed cloth 802 is provided on the outside of the footrest 8, and the toes can be used to grab and release the brushed cloth 802 to exercise the foot; in winter, when the weather is cold, the heating fan 804 is started, and the hot air is transported to the footrest 8 through the transmission pipe 805, and then transported upward through the exhaust holes and air holes to heat the soles of the feet, thereby increasing the temperature of the feet and avoiding the problem of the cold winter affecting exercise.

[0033] The incomplete gear 2 11 and the incomplete gear 3 12 rotate in opposite directions, and the incomplete gear 2 11 and the incomplete gear 3 12 are intermittently meshed with the driven gear 10 .

[0034] In this embodiment, motor two 13 drives incomplete gear two 11 to rotate clockwise, and motor three 14 drives incomplete gear three 12 to rotate counterclockwise. Incomplete gear two 11 and incomplete gear three 12 drive the driven gear 10 to rotate 120 degrees clockwise and then 120 degrees counterclockwise. The driven gear 10 drives the pedal 8 to change the front and rear angle through the connecting shaft 9 to exercise the ankle.

[0035] The outer wall of the leg support 15 is fixedly connected with a strap 16 , and the outer wall of the strap 16 is provided with Velcro, and the straps 16 on both sides of the leg support 15 are attached by Velcro.

[0036] In this embodiment, the user lies on the bed, places the legs on the leg rests 15 , and fixes the legs with the straps 16 .

[0037] Among them, the fixing device 20 includes a limit frame 201, the inner side of the limit frame 201 is slidably connected to the limit plate 202, the inner wall of the limit frame 201 is threadedly connected with an adjusting rod 203, one end of the adjusting rod 203 is fixedly connected to the bottom outer wall of the limit plate 202, the top outer wall of the limit frame 201 is fixedly connected with a moving block 204, and one side of the installation box 1 is provided with an adjusting connection structure connected to the moving block 204.

[0038] Among them, the adjustment connection structure includes a slide rod 205, and the slide rod 205 is fixedly connected to the outer wall of one side of the installation box 1, and the screw rod 206 is rotatably connected to the outer wall of one side of the installation box 1. The slide rod 205 and the screw rod 206 pass through the moving block 204, and the inner wall of the moving block 204 is slidingly connected to the outer wall of the slide rod 205, and the inner wall of the moving block 204 is threadedly connected to the outer wall of the screw rod 206. The inner wall of the installation box 1 is fixedly connected to a motor four 207, and the output shaft of the motor four 207 is connected to one end of the screw rod 206.

[0039] In this embodiment, the installation box 1 is placed on the bed, and the motor 207 is started to drive the screw 206 to rotate. The screw 206 drives the moving block 204 to move left and right. The moving block 204 moves the limit frames 201 on both sides to the bed board. The adjusting rod 203 is rotated to drive the limit plate 202 to move upward. The limit plate 202 squeezes the bed board to fix the device on the bed.

[0040] Working principle: When in use, place the installation box 1 on the bed, start the motor 207 to drive the screw rod 206 to rotate, the screw rod 206 drives the moving block 204 to move left and right, the moving block 204 moves the limit frames 201 on both sides to the bed board, rotate the adjustment rod 203 to drive the limit plate 202 to move upward, the limit plate 202 squeezes the bed board, and fixes the device on the bed;

[0041] The user lies on the bed, places the legs on the leg support 15, fixes the legs with the straps 16, places the feet on the two pedals 8, starts the motor 2 13 and the motor 3 14, the motor 2 13 drives the incomplete gear 2 11 to rotate clockwise, the motor 3 14 drives the incomplete gear 3 12 to rotate counterclockwise, the incomplete gear 2 11 and the incomplete gear 3 12 drive the driven gear 10 to rotate 120 degrees clockwise, and then rotate 120 degrees counterclockwise, the driven gear 10 drives the pedal 8 to change the front and rear angle through the connecting shaft 9, and exercises the ankle. When the pedal 8 moves up and down, the leg support 15 rotates with the connection point between the rotating seat 17 and the fixed seat 19 as the axis to adapt to the movement of the pedal 8.

[0042] The starting motor 5 drives the driving gear 3 to rotate, and the driving gear 3 drives the incomplete gears 4 on both sides to rotate. The incomplete gears 4 on both sides of the driving gear 3 rotate in opposite directions. The two incomplete gears 4 drive the supporting plate 6 connected thereto to move toward the middle or both sides at the same time, and the pedals 8 on the supporting plate 6 move accordingly. The pedals 8 move clockwise and counterclockwise to the left and right sides to exercise the ankles. With the ankle joint as the center, the two groups of muscles, the triceps surae and the tibialis anterior, squeeze the blood and lymph waves back when contracting, and fresh blood flows back when relaxing, effectively reducing the blood retention in the veins of the lower limbs.

[0043] A sanded cloth 802 is provided on the outside of the footrest 8, and the toes can be used to grip and release the sanded cloth 802 to exercise the feet; in winter, the heating fan 804 is started to transport hot air into the footrest 8 through the transmission pipe 805, and then transported upward through the ventilation holes and exhaust holes to heat the soles of the feet, thereby avoiding the problem of the cold in winter affecting exercise.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An ankle mobilizer for medical rehabilitation, comprising a mounting box (1), Features: Fixing devices (20) are provided on both sides of the installation box (1), and the fixing devices (20) are connected to the hospital bed. A top plate (2) is provided on the top outer wall of the installation box (1). A driving gear (3) and an incomplete gear 1 (4) are rotatably connected to the top outer wall of the top plate (2). Incomplete gear 1 (4) is provided on both sides of the driving gear (3). The incomplete gear 1 (4) on both sides of the driving gear (3) rotates in opposite directions. The driving gear (3) meshes with the outer wall of the incomplete gear 1 (4). A motor 1 (5) is fixedly connected to the inner wall of the installation box (1), and the output shaft of the motor 1 (5) is connected to the driving gear (3). The outer wall of the incomplete gear 1 (4) is fixedly connected to a support plate (6). The top outer wall of the support plate (6) is fixedly connected to a mounting plate (7). The outer wall of the mounting plate (7) A pedal (8) is arranged between the walls, and the outer walls on both sides of the pedal (8) are fixedly connected with a connecting shaft (9), the outer wall of the connecting shaft (9) is rotatably connected to the inner wall of the mounting plate (7), the inner wall of the mounting plate (7) is rotatably connected with a driven gear (10), an incomplete gear 2 (11), and an incomplete gear 3 (12), one side outer wall of the driven gear (10) is fixedly connected to one end of the connecting shaft (9), the incomplete gear 2 (11) and the incomplete gear 3 (12) are respectively arranged on the upper and lower sides of the driven gear (10), the outer walls of the incomplete gear 2 (11) and the incomplete gear 3 (12) are meshed with the outer wall of the driven gear (10), and the outer wall of the mounting plate (7) is fixedly connected with a motor 2 (13) and a motor 3 (14) connected to the incomplete gear 2 (11) and the incomplete gear 3 (12); A leg support (15) is provided above the two incomplete gears (4); the bottom outer wall of the leg support (15) is fixedly connected to a rotating seat (17); the top outer wall of the incomplete gear (4) is fixedly connected to a connecting rod (18); the top outer wall of the connecting rod (18) is fixedly connected to a fixed seat (19); the outer wall of the rotating seat (17) is rotatably connected to the outer wall of the fixed seat (19).

2. The ankle mobilizer for medical rehabilitation according to claim 1, Features: The outer wall of the top of the footrest (8) is clamped with a shell (801), the outer wall of the shell (801) is fixedly connected with a sanded cloth (802), and a limiting belt (803) is arranged on the top of the footrest (8).

3. The ankle mobilizer for medical rehabilitation according to claim 2, Features: A transmission pipe (805) is fixedly connected to the inner wall of the foot pedal (8), and the transmission pipe (805) is arranged in an S shape inside the foot pedal (8). An exhaust hole is provided on the top outer wall of the transmission pipe (805), and an air vent is provided on the top outer wall of the outer shell (801). A heating fan (804) is fixedly connected to the outer wall of one side of the foot pedal (8), and one end of the transmission pipe (805) is connected to the air outlet of the heating fan (804).

4. The ankle mobilizer for medical rehabilitation according to claim 1, Features: The incomplete gear 2 (11) and the incomplete gear 3 (12) rotate in opposite directions, and the incomplete gear 2 (11) and the incomplete gear 3 (12) are intermittently meshed with the driven gear (10).

5. The ankle mobilizer for medical rehabilitation according to claim 1, Features: The outer wall of the leg support (15) is fixedly connected with a strap (16), and the outer wall of the strap (16) is provided with Velcro, and the straps (16) on both sides of the leg support (15) are attached by Velcro.

6. The ankle mobilizer for medical rehabilitation according to claim 1, Features: The fixing device (20) comprises a limit frame (201), the inner side of the limit frame (201) is slidably connected to the limit plate (202), the inner wall of the limit frame (201) is threadedly connected to an adjustment rod (203), one end of the adjustment rod (203) is fixedly connected to the bottom outer wall of the limit plate (202), the top outer wall of the limit frame (201) is fixedly connected to a moving block (204), and one side of the installation box (1) is provided with an adjustment connection structure connected to the moving block (204).

7. The ankle mobilizer for medical rehabilitation according to claim 6, Features: The adjusting connection structure comprises a sliding rod (205), an outer wall of one side of the installation box (1) is fixedly connected with the sliding rod (205), an outer wall of one side of the installation box (1) is rotatably connected with a screw rod (206), the sliding rod (205) and the screw rod (206) pass through the moving block (204), the inner wall of the moving block (204) is slidably connected with the outer wall of the sliding rod (205), the inner wall of the moving block (204) is threadedly connected with the outer wall of the screw rod (206), the inner wall of the installation box (1) is fixedly connected with a motor four (207), and the output shaft of the motor four (207) is connected to one end of the screw rod (206).

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