Elbow joint passive type guiding exercise rehabilitation therapy apparatus

Abstract

The utility model discloses an elbow joint passive type guiding exercise rehabilitation therapy machine which comprises a base and a pushing part used for driving an elbow joint to conduct rehabilitation circulation. The pushing part comprises a placing frame which is arranged at the top of the base, is close to one end and is used for fixing a big arm, two fixed blocks which are arranged at the top of the base and are positioned at the other end of the placing frame, and a movable frame which is arranged between the two fixed blocks and is used for placing a small arm. The supporting rod drives the movable frame to rotate around the fixed block through the connecting block, so that the movable frame drives the forearm to bend and stretch around the elbow joint for rehabilitation training, and the problems that when existing equipment guides the elbow joint for rehabilitation training, the arm stretching and bending effect is poor, and the elbow joint cannot be conveniently driven for rehabilitation training are solved. And the problems that the arm cannot be conveniently limited and fixed, the elbow joint is easily subjected to secondary injury when the arm shakes, and the rehabilitation time of the elbow joint is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of elbow joint rehabilitation training, in particular to an elbow joint passive guided movement rehabilitation therapeutic machine. Background Art

[0002] When the elbow is fractured or dislocated, it often causes elbow dysfunction, which requires rehabilitation training to restore the function of the elbow. Correct and scientific rehabilitation training is helpful to the recovery of elbow function. Then, with the elbow as the axis, bend the elbow as much as possible to bring the palm close to the shoulder. The purpose is to maximize the range of motion of the elbow joint to prevent elbow joint stiffness, adhesion or other conditions. In the early stages of elbow rehabilitation training, external force is usually required to guide movement rehabilitation training. However, the existing rehabilitation equipment is not effective in guiding the elbow joint to bend and extend, which affects the rehabilitation time of the elbow joint.

[0003] The existing equipment is not effective in guiding the elbow joint to extend and bend the arm during rehabilitation training, cannot conveniently drive the elbow joint for rehabilitation training, and cannot conveniently limit and fix the arm. Shaking of the arm can easily cause secondary injury to the elbow joint, affecting the rehabilitation time of the elbow joint. Utility Model Content

[0004] The purpose of the utility model is to provide a passive guided movement rehabilitation therapeutic machine for elbow joint to solve the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a passive guided motion rehabilitation therapy machine for elbow joint, comprising a base and a pushing component for driving the elbow joint to perform a rehabilitation cycle, wherein the pushing component comprises a placing frame arranged at the top of the base and close to one end for fixing the upper arm, two fixing blocks arranged at the top of the base and located at the other end of the placing frame, a movable frame arranged between the two fixing blocks for placing the forearm, two sets of Velcro arranged at the top of the movable frame for restraining the forearm, a movable groove opened at the top of the base and located at the other end of the placing frame, a first screw rod penetrating the movable groove for driving, a motor arranged at one end of the first screw rod, a driving block arranged at the inner side of the movable groove for driving, a support rod arranged at one side of the driving block, a fixing strip connected to the bottom of the movable frame, a fixing strip opened at the bottom of the fixing strip, and a connecting block arranged at the inner side of the fixing strip;

[0006] The first screw is rotatably connected to the base, the first screw passes through the driving block and is threadedly connected to the driving block, the driving block is slidably connected to the movable groove, the movable frame is hinged to the fixed block, the driving block is hinged to one end of the support rod, the other end of the support rod is hinged to the connecting block, and the connecting block is slidably connected to the fixed groove.

[0007] Preferably, a fixing plate is installed on the top of the placement rack, a second screw for driving is installed on the top of the fixing plate, a pressure plate for fixing the upper arm is provided at the bottom of the second screw, the second screw passes through the fixing plate and is screwed thereto, the second screw is rotatably connected to the pressure plate and does not detach, and the cross-sections of the fixing plate and the pressure plate are both arc-shaped.

[0008] Preferably, a first soft pad for protection is laid on the bottom of the placement rack, and a second soft pad for protection is laid on the bottom of the movable rack, and the materials of the first soft pad and the second soft pad are mainly silicone and sponge.

[0009] Preferably, guide rods are respectively provided on the top of the pressure plate and on both sides of the second screw rod, and the guide rods penetrate the fixing plate and are slidably connected thereto.

[0010] Preferably, a third soft pad for protection is laid on the bottom of the pressing plate, and the cross-section of the third soft pad is arc-shaped.

[0011] Preferably, the connecting block and the fixing groove are both T-shaped in cross-section.

[0012] Preferably, the first cushion and the second cushion are both arc-shaped in cross-section.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The cam is connected with the base by the motor, and the motor drives the driving block to slide in the movable groove, and then drives the driving block to slide in the fixed groove through the support rod, so that the driving block can drive the movable frame to rotate around the fixed block through the connecting block, so that the movable frame drives the small arm to bend and stretch around the elbow joint, thereby improving the effect of guiding the elbow joint for rehabilitation training.

[0015] 2. The utility model comprises a fixed plate, a second screw and a pressure plate. The second screw penetrates the fixed plate and is screwed therewith. The second screw is rotatably connected to the pressure plate and does not separate. The cross-sections of the fixed plate and the pressure plate are both arc-shaped. The fixed plate can support the second screw. The second screw can drive the pressure plate to move up and down, so that the pressure plate is close to the placement frame to limit and fix the upper arm, prevent the upper arm from shaking, and avoid secondary injury to the elbow joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0018] Figure 3 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point B in the middle.

[0020] In the figure: 1. base; 11. placement rack; 12. fixed block; 13. movable rack; 14. Velcro; 15. movable slot; 16. first screw; 17. motor; 18. driving block; 19. support rod; 20. fixing bar; 21. fixing slot; 22. connecting block; 23. fixing plate; 24. second screw; 25. pressing plate; 111. first cushion; 131. second cushion; 251. guide rod; 252. third cushion. DETAILED DESCRIPTION

[0021] 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 in 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.

[0022] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0023] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0024] like Figures 1 to 4As shown, an elbow joint passive guided motion rehabilitation therapy machine provided by an embodiment of the utility model comprises a base 1 and a pushing component for driving the elbow joint to perform a rehabilitation cycle, wherein the pushing component comprises a placement frame 11 arranged at the top of the base 1 and close to one end for fixing the upper arm, two fixing blocks 12 arranged at the top of the base 1 and located at the other end of the placement frame 11, a movable frame 13 arranged between the two fixing blocks 12 for placing the forearm, two groups of Velcro 14 arranged at the top of the movable frame 13 for restraining the forearm, a movable groove 15 opened at the top of the base 1 and located at the other end of the placement frame 11, a first screw rod 16 running through the movable groove 15 for driving, a motor 17 arranged at one end of the first screw rod 16, a driving block 18 arranged at the inner side of the movable groove 15 for driving, a support rod 19 arranged at one side of the driving block 18, a fixing bar 20 connected to the bottom of the movable frame 13, a fixing groove 21 opened at the bottom of the fixing bar 20, and a connecting block 22 arranged at the inner side of the fixing groove 21;

[0025] The first screw rod 16 is rotatably connected to the base 1, the first screw rod 16 passes through the driving block 18 and is screwed thereto, the driving block 18 is slidably connected to the movable groove 15, the movable frame 13 is hinged to the fixed block 12, the driving block 18 is hinged to one end of the support rod 19, the other end of the support rod 19 is hinged to the connecting block 22, and the connecting block 22 is slidably connected to the fixed groove 21.

[0026] refer to Figure 2 A fixing plate 23 is installed on the top of the placement frame 11, and a second screw 24 for driving is installed on the top of the fixing plate 23. A pressing plate 25 for fixing the upper arm is provided at the bottom of the second screw 24. The second screw 24 penetrates the fixing plate 23 and is screwed thereto. The second screw 24 is rotatably connected to the pressing plate 25 and does not detach. The cross-sections of the fixing plate 23 and the pressing plate 25 are both arc-shaped.

[0027] The above scheme is adopted: through the fixing plate 23, the second screw 24 and the pressing plate 25, the second screw 24 passes through the fixing plate 23 and is screwed therewith, the second screw 24 is rotatably connected with the pressing plate 25 and does not detach, the cross-sections of the fixing plate 23 and the pressing plate 25 are both arc-shaped, the fixing plate 23 can support the second screw 24, and the second screw 24 can drive the pressing plate 25 to move up and down, so that the pressing plate 25 is close to the placement frame 11 to limit and fix the upper arm, prevent the upper arm from shaking, and avoid secondary injury to the elbow joint.

[0028] refer to Figure 2 The bottom of the placement rack 11 is provided with a first soft pad 111 for protection, and the bottom of the movable rack 13 is provided with a second soft pad 131 for protection. The materials of the first soft pad 111 and the second soft pad 131 are mainly silica gel and sponge.

[0029] The above scheme is adopted: through the first soft pad 111 and the second soft pad 131, the materials of the first soft pad 111 and the second soft pad 131 are mainly silicone and sponge. The first soft pad 111 can protect the upper arm, and the second soft pad 131 can protect the forearm, preventing the arm from contacting the placement frame 11 and the movable frame 13 to cause discomfort or injury, thereby improving the comfort of the patient's rehabilitation training.

[0030] refer to Figure 2 A guide rod 251 is provided on the top of the pressing plate 25 and on both sides of the second screw rod 24 , and the guide rod 251 penetrates the fixing plate 23 and is slidably connected thereto.

[0031] The above solution is adopted: through the guide rod 251, the guide rod 251 passes through the fixed plate 23 and is slidably connected thereto, the two guide rods 251 can guide and limit the pressing plate 25, thereby improving the stability of the second screw rod 24 driving the pressing plate 25 to move up and down.

[0032] refer to Figure 2 A third soft pad 252 for protection is laid at the bottom of the pressing plate 25, and the cross-section of the third soft pad 252 is arc-shaped.

[0033] The above scheme is adopted: through the third soft pad 252, the cross-section of the third soft pad 252 is arc-shaped, the material of the third soft pad 252 is mainly silicone and sponge, the pressure plate 25 drives the third soft pad 252 to contact the top of the upper arm, so that the third soft pad 252 and the first soft pad 111 wrap and protect the upper arm, avoiding discomfort to the upper arm when the upper arm is restrained.

[0034] refer to Figure 4 The connecting block 22 and the fixing groove 21 are both T-shaped in cross section.

[0035] By adopting the above solution: the cross-sections of the connecting block 22 and the fixing groove 21 are both T-shaped, the fixing groove 21 can guide and limit the connecting block 22 to prevent the connecting block 22 from escaping from the fixing groove 21, thereby improving the stability of the connecting block 22 driving the movable frame 13 to rotate through the fixing bar 20.

[0036] refer to Figure 2 The cross-sections of the first cushion 111 and the second cushion 131 are both arc-shaped.

[0037] By adopting the above solution: the first soft pad 111 and the second soft pad 131 have arc-shaped cross-sections, so that the first soft pad 111 and the second soft pad 131 can be wrapped around the outer side of the upper arm and the forearm for protection, thereby increasing the contact area between the upper arm and the forearm and preventing the upper arm or the forearm from being damaged by bumps.

[0038] The working principle of this utility model:

[0039] First, the arm is passed through the placement frame 11 and the fixed plate 23, and then the forearm is placed on the second soft pad 131 on the top of the movable frame 13, and then the forearm is bound and fixed by two sets of Velcro 14, and then the second screw 24 is rotated to drive the pressure plate 25 to move downward, and at the same time, the pressure plate 25 drives the two guide rods 251 to slide downward, and then the pressure plate 25 drives the third soft pad 252 to approach the placement frame 11 to limit and fix the upper arm, and at the same time, the first soft pad 111 wraps the outer side of the bottom of the upper arm, and then the motor 17 is started to drive the first screw 16 to rotate slowly, and at this time, the first screw 16 drives the driving block 18 to slide in the movable groove 15, and then the driving block 18 drives the connecting block 22 to slide in the fixed groove 21 through the support rod 19, and then the support rod 19 drives the movable frame 13 to rotate around the fixed block 12 through the connecting block 22, and at the same time, the movable frame 13 drives the forearm to bend and stretch around the elbow joint for rehabilitation training.

[0040] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A passive guided movement rehabilitation therapy machine for an elbow joint, comprising a base (1) and a driving component for driving the elbow joint to perform a rehabilitation cycle, characterized in that: The pushing component comprises a placing frame (11) arranged at the top of the base (1) and close to one end for fixing the upper arm, two fixing blocks (12) arranged at the top of the base (1) and located at the other end of the placing frame (11), a movable frame (13) arranged between the two fixing blocks (12) for placing the lower arm, two groups of Velcro (14) arranged at the top of the movable frame (13) for restraining the lower arm, a movable groove (15) opened at the top of the base (1) and located at the other end of the placing frame (11), a first screw rod (16) penetrating the movable groove (15) for driving, a motor (17) arranged at one end of the first screw rod (16), a driving block (18) arranged at the inner side of the movable groove (15) for driving, a support rod (19) arranged at one side of the driving block (18), a fixing strip (20) connected to the bottom of the movable frame (13), a fixing strip (21) opened at the bottom of the fixing strip (20), and a connecting block (22) arranged at the inner side of the fixing strip (21); The first screw rod (16) is rotatably connected to the base (1), the first screw rod (16) passes through the driving block (18) and is screwed thereto, the driving block (18) is slidably connected to the movable groove (15), the movable frame (13) is hinged to the fixed block (12), the driving block (18) is hinged to one end of the support rod (19), the other end of the support rod (19) is hinged to the connecting block (22), and the connecting block (22) is slidably connected to the fixed groove (21).

2. The elbow joint passive guided movement rehabilitation therapy machine according to claim 1, characterized in that: A fixing plate (23) is installed on the top of the placement frame (11), a second screw rod (24) for driving is installed on the top of the fixing plate (23), a pressing plate (25) for fixing the upper arm is provided at the bottom of the second screw rod (24), the second screw rod (24) passes through the fixing plate (23) and is screwed thereto, the second screw rod (24) is rotatably connected to the pressing plate (25) and does not separate, and the cross-sections of the fixing plate (23) and the pressing plate (25) are both arc-shaped.

3. The elbow joint passive guided movement rehabilitation therapy machine according to claim 1, characterized in that: A first soft pad (111) for protection is laid on the bottom of the placement rack (11), and a second soft pad (131) for protection is laid on the bottom of the movable rack (13). The materials of the first soft pad (111) and the second soft pad (131) are mainly silica gel and sponge.

4. The elbow joint passive guided movement rehabilitation therapy machine according to claim 2, characterized in that: Guide rods (251) are respectively provided at the top of the pressing plate (25) and on both sides of the second screw rod (24); the guide rods (251) penetrate the fixing plate (23) and are slidably connected thereto.

5. The elbow joint passive guided movement rehabilitation therapy machine according to claim 2, characterized in that: A third soft pad (252) for protection is laid on the bottom of the pressing plate (25), and the cross section of the third soft pad (252) is arc-shaped.

6. The elbow joint passive guided motion rehabilitation therapy machine according to claim 1, characterized in that: The connecting block (22) and the fixing groove (21) both have T-shaped cross sections.

7. The elbow joint passive guided movement rehabilitation therapy machine according to claim 3, characterized in that: The first soft pad (111) and the second soft pad (131) both have arc-shaped cross-sections.

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