Upper limb rehabilitation auxiliary training device

Abstract

The utility model relates to an upper limb rehabilitation auxiliary training device which comprises a first rehabilitation device capable of controlling each finger to bend and stretch independently, a second rehabilitation device capable of adjusting the rotating angle of a front arm and the rotating angle of an upper arm, and a controller, and the second rehabilitation device comprises a front arm fixing piece and an upper arm fixing piece hinged to the front arm fixing piece. A driving mechanism capable of driving the first rehabilitation device to be attached to the palm when the palm stretches into the first rehabilitation device is arranged between the first rehabilitation device and the forearm fixing piece. The upper limb rehabilitation training device has the advantages that through the arrangement of the first rehabilitation device capable of controlling each finger to bend and stretch independently and the second rehabilitation device capable of adjusting the rotating angle of the front arm and the rotating angle of the upper arm, the training device can drive the fingers and the front arm of a patient to move cooperatively, training consistency is improved, and the upper limb rehabilitation process of the patient is promoted.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a kind of upper limb rehabilitation auxiliary training device. BACKGROUND

[0002] With the development of medical technology, coronary intervention therapy has become one of the effective means for treating severe coronary artery disease. However, patients often face upper limb dysfunction after surgery, which not only affects the quality of life of patients, but also may delay the overall rehabilitation process.

[0003] Guiding patients to exercise upper limbs has significant effect on improving postoperative limb pain and relieving hand swelling. However, traditional rehabilitation training methods rely on the guidance of physical therapists for practice, thereby helping patients recover muscle strength, joint mobility and coordination of upper limbs. But due to the limitation of human resources, patients may not get enough attention from therapists, and the consistency and intensity of training may also vary due to different therapists. Thus, the rehabilitation effect of patients is not as expected. The rehabilitation robots currently available on the market for training upper limbs are usually complex in design and large in size, requiring a special space to be installed, which is not convenient for patients to perform rehabilitation training anytime and anywhere. Wearable upper limb rehabilitation aids usually focus on the training of a single joint or a specific action, and cannot effectively support the training needs of multi-joint coordinated movement. SUMMARY

[0004] The utility model aims at providing a kind of upper limb rehabilitation auxiliary training device, to solve the above problems.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: an upper limb rehabilitation auxiliary training device, comprising a first rehabilitation device capable of controlling the flexion and extension of each finger, a second rehabilitation device capable of adjusting the rotation angle of the forearm and upper arm, and a controller, the second rehabilitation device comprising a forearm fixing member, an upper arm fixing member hinged to the forearm fixing member, and an adjusting mechanism capable of adjusting the rotation angle of the two, the first rehabilitation device is provided with a driving mechanism capable of driving the first rehabilitation device to fit the palm when the palm is inserted into the first rehabilitation device.

[0006] As a further optimization scheme of the utility model, the driving mechanism comprises a mounting seat for mounting the first rehabilitation device, the mounting seat is provided with a guide column, the forearm fixing member is provided with a guide hole for the guide column to extend into, and the guide column is connected with an elastic member for driving the mounting seat to move along the guide hole towards the forearm fixing member.

[0007] As a further optimization scheme of the utility model, the first rehabilitation device includes a palm sleeve part, a plurality of finger sleeve parts are connected to the palm sleeve part, air bags capable of driving the finger sleeve parts to bend when swelling are arranged on the finger sleeve parts, and the air bags are connected with air pump assemblies.

[0008] As a further optimization scheme of the utility model, the adjusting mechanism comprises a rotating motor arranged on the forearm fixing part, a first gear is arranged on the output end of the rotating motor, the forearm fixing part is hinged with the upper arm fixing part through a transmission shaft, the transmission shaft is fixedly connected with the upper arm fixing part, and a second gear meshing with the first gear is arranged on the transmission shaft.

[0009] As a further optimization scheme of the utility model, the forearm fixing part comprises a first fixed plate, a first supporting part is slidably connected to the first fixed plate, and a first locking mechanism locking the relative positions of the first fixed plate and the first supporting part is arranged therebetween.

[0010] As a further optimization scheme of the utility model, the first locking mechanism comprises a plurality of first limiting holes arranged along the length direction of the first fixed plate, and a second limiting hole capable of allowing a bolt to penetrate through the first fixed plate and the first supporting part so as to lock the two parts is arranged on the first supporting part.

[0011] As a further optimization scheme of the utility model, the upper arm fixing part comprises a second fixed plate, a second supporting part is slidably connected to the second fixed plate, and a second locking mechanism locking the relative positions of the second fixed plate and the second supporting part is arranged therebetween.

[0012] As a further optimization scheme of the utility model, the second locking mechanism comprises a plurality of third limiting holes arranged along the length direction of the second fixed plate, and a fourth limiting hole capable of allowing a bolt to penetrate through the second fixed plate and the second supporting part so as to lock the two parts is arranged on the second supporting part.

[0013] As a further optimization scheme of the utility model, a stop button is arranged on one side of the forearm fixing part, and the stop button is electrically connected with the controller.

[0014] As a further optimization scheme of the utility model, the first rehabilitation device and the second rehabilitation device are both electrically connected with the controller, and a wireless transmission module is arranged on the controller.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. The first rehabilitation device capable of controlling the bending and stretching of each finger and the second rehabilitation device capable of adjusting the rotation angle of the forearm and the upper arm are arranged, so that the training device can drive the fingers and the forearm of the patient to move coordinately, improve the consistency of training, and promote the upper limb rehabilitation process of the patient.

[0017] 2. The first rehabilitation device is set up by controlling the flexion and extension of each finger individually, realizing fine training, promoting the functional recovery of each finger, and improving the overall rehabilitation effect;

[0018] 3. The rotation angle between the forearm and the upper arm is accurately controlled through the interlocking forearm fixing part and upper arm fixing part, and the setting of the adjusting mechanism, ensuring that each movement in the training process meets the requirements of the rehabilitation training plan, and improving the effectiveness of the training;

[0019] 4. The driving mechanism that can drive the first rehabilitation device to fit the palm when the palm is inserted into the first rehabilitation device is set up, ensuring that the device is close to the palm during training, preventing the device from sliding or shifting due to hand movement, ensuring the stability of the training, and improving the accuracy and effect of the training. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a three-dimensional schematic view of the utility model Figure One ;

[0021] Figure 2 is an exploded schematic view of the second rehabilitation device in the utility model;

[0022] Figure 3 is a three-dimensional schematic view of the first rehabilitation device in the utility model;

[0023] Figure 4 is a three-dimensional schematic view of the forearm fixing part in the utility model;

[0024] Figure 5 is a three-dimensional schematic view of the utility model Figure Two . DETAILED DESCRIPTION

[0025] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0026] As Figures 1 to 5 shown, the utility model discloses an upper limb rehabilitation auxiliary training device, including the first rehabilitation device 1 of being able to control each finger individual flexion and extension, the second rehabilitation device 2 of being able to adjust the rotation angle of forearm and upper arm, and controller 3, the second rehabilitation device 2 includes forearm fixing part 31, the upper arm fixing part 32 of being hinged with forearm fixing part 31, and the adjusting mechanism 4 of being able to adjust the rotation angle of both, the first rehabilitation device 1 is equipped with the driving mechanism 5 of being able to drive the first rehabilitation device 1 to fit the palm when the palm is inserted into the first rehabilitation device 1 between forearm fixing part 31.

[0027] The first rehabilitation device 1 can control the flexion and extension of each finger of the patient independently, the forearm fixing part 31 is used for fixing the forearm of the upper limb of the patient, the upper arm fixing part 32 is used for fixing the upper arm of the patient, the forearm fixing part 31 and the upper arm fixing part 32 can be fixed to the forearm and the upper arm of the patient while allowing the relative rotation of the forearm and the upper arm of the patient through the articulation of the forearm fixing part 31 and the upper arm fixing part 32, and the rotation angle between the forearm and the upper arm of the patient is adjusted through the adjusting mechanism 4.

[0028] The first rehabilitation device 1 capable of controlling the flexion and extension of each finger independently and the second rehabilitation device 2 capable of adjusting the rotation angle between the forearm and the upper arm are arranged, so that the training device can drive the fingers and the forearm of the patient to move coordinately, improve the consistency of the training, and promote the rehabilitation process of the upper limb of the patient; the first rehabilitation device 1 capable of controlling the flexion and extension of each finger independently is arranged, so as to realize fine training, promote the functional recovery of each finger, and improve the overall rehabilitation effect; the forearm fixing part 31 and the upper arm fixing part 32 are articulated with each other, and the adjusting mechanism 4 is arranged, so as to accurately control the rotation angle between the forearm and the upper arm, ensure that each movement in the training process meets the requirements of the rehabilitation training plan, and improve the effectiveness of the training; the driving mechanism 5 capable of driving the first rehabilitation device 1 to fit the palm when the palm is inserted into the first rehabilitation device 1 is arranged, so as to ensure that the device closely fits the palm during the training process, prevent the device from sliding or shifting due to the movement of the hand, ensure the stability of the training, and improve the precision and effect of the training.

[0029] The driving mechanism 5 comprises a mounting seat 51 for mounting the first rehabilitation device 1, the mounting seat 51 is provided with a guide column 52, the forearm fixing part 31 is provided with a guide hole 53 for the extension of the guide column 52, and the guide column 52 is connected with an elastic member 54 for driving the mounting seat 51 to move along the guide hole 53 to the direction of the forearm fixing part 31.

[0030] The mounting seat 51 serves as a base for mounting the first rehabilitation device 1, and is provided with a guide column 52 for guiding the movement of the mounting seat 51, the forearm fixing part 31 is provided with a guide hole 53 for the extension of the guide column 52, so that the mounting seat 51 can move relative to the forearm fixing part 31. The elastic member 54 is connected to one end of the guide column 52, and drives the mounting seat 51 to move along the guide hole 53 to the direction of the forearm fixing part 31 by applying a force to the guide column 52 in the direction of the guide hole 53.

[0031] In the embodiment, the elastic member 54 is a tension spring, and the elastic member 54 can also be an elastic sheet or other forms of elastic material.

[0032] In the embodiment, the number of guide columns 52 is three, and the number of guide holes 53 corresponds to the number of guide columns 52. The provision of at least two guide columns 52 provides multi-point support and limits the relative rotation between the mounting seat 51 and the forearm fixing member 31, thereby improving the stability of the device.

[0033] The first rehabilitation device 1 comprises a palm sleeve part 11, a plurality of finger sleeve parts 12 are connected to the palm sleeve part 11, and air bags 13 capable of bending the finger sleeve parts 12 when inflated are arranged on the finger sleeve parts 12. The air bags 13 are connected to an air pump assembly 14.

[0034] The palm sleeve part 11 covers the palm of the patient, and a plurality of finger sleeve parts 12 capable of covering each finger of the patient are connected to the palm sleeve part 11. The air bags 13 are installed on the finger sleeve parts 12 and can be inflated to expand and bend the finger sleeve parts 12, thereby achieving the flexion movement of the patient's fingers. The air pump assembly 14 is a device for inflating and deflating the air bags 13, which is controlled by the controller 3 to adjust the air pressure of the air bags 13.

[0035] In the embodiment, the air pump assembly 14 has a plurality of air pumps, each of which controls the air bag 13 on each finger sleeve part 12, thereby achieving the control of the flexion and extension of each finger of the patient.

[0036] When the air pump assembly 14 inflates the air bags 13, the air bags 13 expand and push the finger sleeve parts 12 to bend, thereby bending the fingers. When the fingers need to be relaxed, the air pump assembly 14 discharges the gas in the air bags 13, the air bags 13 contract, and the fingers straighten. Thus, the passive movement of the fingers is achieved.

[0037] In the embodiment, the palm sleeve part 11 and the mounting seat 51 are connected by magnetic attraction to achieve quick connection and separation, thereby simplifying the operation steps. The connection between the two can also be achieved by buckle connection, screw connection, etc.

[0038] In the embodiment, the mounting seat 51 is provided with a mounting groove 55 for installing the air pump assembly 14. By installing the air pump assembly 14 into the mounting groove 55, the stability of the device is improved, and the loosening or falling caused by vibration or movement is reduced.

[0039] The adjusting mechanism 4 comprises a rotating motor 41 arranged on the forearm fixing member 31, the output end of the rotating motor 41 is provided with a first gear 42, the forearm fixing member 31 is hinged to the upper arm fixing member 32 through a transmission shaft 43, the transmission shaft 43 is fixedly connected to the upper arm fixing member 32, and the transmission shaft 43 is provided with a second gear 44 engaged with the first gear 42.

[0040] The rotating motor 41 is installed on the forearm fixing member 31 and provides rotating power to drive the first gear 42 at the output end of the rotating motor 41 to rotate. The second gear 44 is installed on the transmission shaft 43, and the rotating motion of the rotating motor 41 is transmitted to the forearm fixing member 31 to rotate relative to the upper arm fixing member 32 through the engagement of the first gear 42 and the second gear 44, so as to adjust the rotating angle of the forearm fixing member 31 and the upper arm fixing member 32.

[0041] In the embodiment, the first gear 42 and the second gear 44 are externally provided with a sleeve 45 to prevent dust and dirt from entering and reduce the wear of the gears, thereby prolonging the service life of the gear system.

[0042] The adjusting mechanism 4 can also be implemented in other ways, such as by providing a fixing nut capable of fixing the forearm fixing member 31 and the upper arm fixing member 32 at the hinge between the two members, and manually adjusting the rotating angle of the forearm fixing member 31 and the upper arm fixing member 32 by adjusting the tightness of the fixing nut. Compared with the manual adjustment mode, the electric adjustment mode can be combined with the controller 3 to realize automatic training and reduce the operation burden of the user, thereby improving the training efficiency.

[0043] The forearm fixing member 31 comprises a first fixing plate 311, and the first fixing plate 311 is slidingly connected with a first support member 312, and a first locking mechanism 6 is arranged between the first fixing plate 311 and the first support member 312 to lock the relative position of the two members.

[0044] The first support member 312 is slidingly connected to the first fixing plate 311 and is used to support the forearm of the patient, and the relative position of the first fixing plate 311 and the first support member 312 is locked by the first locking mechanism 6 to ensure the fixing effect after adjustment. The sliding connection between the first fixing plate 311 and the first support member 312 allows the first support member 312 to be flexibly adjusted according to the length and position of the patient's forearm, so that the device can adapt to the needs of different patients, and the relative position of the first fixing plate 311 and the first support member 312 is fixed by the first locking mechanism 6 to prevent sliding or displacement during training, thereby improving the stability of the device.

[0045] The first locking mechanism 6 comprises a plurality of first limiting holes 61 arranged along the length direction of the first fixing plate 311, and the first support member 312 is provided with a second limiting hole 62 capable of allowing a bolt to penetrate the first fixing plate 311 and the first support member 312 to lock the two members.

[0046] The first limiting holes 61 are arranged along the length direction of the first fixed plate 311, and the second limiting holes 62 are arranged on the first supporting piece 312. When the first limiting holes 61 are aligned with the second limiting holes 62, the bolt can penetrate through the first fixed plate 311 and the first supporting piece 312, thereby locking the relative position of the two. The plurality of first limiting holes 61 on the first fixed plate 311 provides multiple adjustment positions, which can be accurately adjusted according to the length and position of the patient's forearm, ensuring that the device can adapt to the needs of different patients.

[0047] The upper arm fixing piece 32 includes a second fixed plate 321, and the second fixed plate 321 is slidingly connected with a second supporting piece 322. A second locking mechanism 7 is arranged between the second fixed plate 321 and the second supporting piece 322 to lock the relative position of the two. The second locking mechanism 7 includes a plurality of third limiting holes 71 arranged along the length direction of the second fixed plate 321, and the second supporting piece 322 is provided with fourth limiting holes 72 capable of allowing the bolt to penetrate through the second fixed plate 321 and the second supporting piece 322, thereby locking the two.

[0048] The second supporting piece 322 is slidingly connected to the second fixed plate 321 to support the patient's upper arm, and the relative position of the second fixed plate 321 and the second supporting piece 322 is locked by the second locking mechanism 7 to ensure the fixed effect after adjustment. The second locking mechanism 7 includes a plurality of third limiting holes 71 arranged along the length direction of the second fixed plate 321, and the second supporting piece 322 is provided with fourth limiting holes 72 capable of allowing the bolt to penetrate through the second fixed plate 321 and the second supporting piece 322, thereby locking the two.

[0049] The first locking mechanism 6 and the second locking mechanism 7 have other embodiments, such as arranging locking screws through the side walls of the first fixed plate 311 and the second fixed plate 321. After adjusting to the appropriate position, the locking screws are tightened to complete the fixation.

[0050] In the embodiment, the first fixed plate 311 is provided with a first sliding groove for the first supporting piece 312 to slide, the second fixed plate 321 is provided with a second sliding groove for the second supporting piece 322 to slide, the inner side wall of the first sliding groove is provided with a limiting sliding groove along the length direction of the first fixed plate 311, and the first supporting piece 312 is provided with a limiting sliding block matched with the limiting sliding groove. The inner side wall of the second sliding groove is provided with a limiting sliding groove along the length direction of the second fixed plate 321, and the second supporting piece 322 is provided with a limiting sliding block matched with the limiting sliding groove. Through the cooperation of the limiting sliding groove and the limiting sliding block, the first supporting piece 312 and the second supporting piece 322 are prevented from being pulled out from the upper part of the first fixed plate 311 and the upper part of the second fixed plate 321.

[0051] In the embodiment, the first supporting member 312 comprises a first arc-shaped supporting plate 3121 and a first fixing belt 3122, and the inner surface of the first arc-shaped supporting plate 3121 is provided with a first cotton pad 3123. The second supporting member 322 comprises a second arc-shaped supporting plate 3221 and a second fixing belt 3222, and the inner surface of the second arc-shaped supporting plate 3221 is provided with a second cotton pad 3223. The first fixing belt 3122 and the second fixing belt 3222 can be Velcro, elastic belts or the like, so as to fix the forearm and the upper arm of the patient, and the first cotton pad 3123 provided on the inner surface of the first arc-shaped supporting plate 3121 and the second cotton pad 3223 provided on the inner surface of the second arc-shaped supporting plate 3221 can reduce the discomfort of the patient caused by fixing the forearm and the upper arm of the patient.

[0052] The forearm fixing member 31 is provided with a stop button 8 on one side, and the stop button 8 is electrically connected with the controller 3.

[0053] The stop button 8 is installed on one side of the forearm fixing member 31, so as to ensure that the patient can immediately stop the device when encountering a problem during the training process, and avoid potential harm.

[0054] In the embodiment, the stop button 8 is arranged on the side of the training device close to the human body trunk when the patient wears the training device. For example, in the training device for rehabilitating the right hand, the stop button 8 is arranged on the left side of the training device; and in the training device for rehabilitating the left hand, the stop button 8 is arranged on the right side of the training device, so that the patient can more easily touch the stop button 8 by using the other hand during the training process, thereby ensuring that the patient can quickly respond in an emergency.

[0055] The first rehabilitation device 1 and the second rehabilitation device 2 are electrically connected with the controller 3, and the controller 3 is provided with a wireless transmission module.

[0056] In the embodiment, the starting mode of the training device can be started by a switch or an APP control, and the second rehabilitation device 2 can lift the forearm by 30-45° when the patient is lying or half-sitting. The controller 3 is electrically connected with the first rehabilitation device 1 and the second rehabilitation device 2, and is provided with a wireless transmission module, so that the patient can set the training plan, such as the number of finger movements and the forearm lifting angle, through the mobile phone APP, and send the parameters to the wireless transmission module of the controller 3, so that the controller 3 can control and manage the operation of the entire device according to the plan.

Claims

1. An upper limb rehabilitation auxiliary training device, characterized in that, The application relates to a rehabilitation device, which comprises a first rehabilitation device (1) capable of controlling the bending and stretching of each finger separately, a second rehabilitation device (2) capable of adjusting the rotating angle of the forearm and upper arm, and a controller (3), wherein the second rehabilitation device (2) comprises a forearm fixing part (31), an upper arm fixing part (32) hinged to the forearm fixing part (31), and an adjusting mechanism (4) capable of adjusting the rotating angle of the two, and a driving mechanism (5) is arranged between the first rehabilitation device (1) and the forearm fixing part (31) and capable of driving the first rehabilitation device (1) to fit the palm when the palm is inserted into the first rehabilitation device (1).

2. The upper limb rehabilitation auxiliary training device according to claim 1, characterized in that, The driving mechanism (5) comprises a mounting seat (51) for mounting the first rehabilitation device (1), the mounting seat (51) is provided with a guide column (52), the forearm fixing part (31) is provided with a guide hole (53) for the extension of the guide column (52), and the guide column (52) is connected with an elastic member (54) for driving the mounting seat (51) to move along the guide hole (53) to the direction of the forearm fixing part (31).

3. The upper limb rehabilitation auxiliary training device according to claim 2, characterized in that, The first rehabilitation device (1) comprises a palm sleeve part (11), a plurality of finger sleeve parts (12) are connected to the palm sleeve part (11), the finger sleeve part (12) is provided with an air bag (13) capable of driving the finger sleeve part (12) to bend when inflated, and the air bag (13) is connected with an inflation pump assembly (14).

4. The upper limb rehabilitation auxiliary training device according to claim 1, characterized in that, The adjusting mechanism (4) comprises a rotating motor (41) arranged on the forearm fixing part (31), the output end of the rotating motor (41) is provided with a first gear (42), the forearm fixing part (31) is hinged to the upper arm fixing part (32) through a transmission shaft (43), the transmission shaft (43) is fixedly connected with the upper arm fixing part (32), and the transmission shaft (43) is provided with a second gear (44) meshing with the first gear (42).

5. The upper limb rehabilitation auxiliary training device according to claim 1, characterized in that, The forearm fixing part (31) comprises a first fixing plate (311), the first fixing plate (311) is slidingly connected with a first supporting part (312), and a first locking mechanism (6) for locking the relative position of the first fixing plate (311) and the first supporting part (312) is arranged between the first fixing plate (311) and the first supporting part (312).

6. The upper limb rehabilitation auxiliary training device according to claim 5, characterized in that, The first locking mechanism (6) comprises a plurality of first limiting holes (61) arranged along the length direction of the first fixing plate (311), and the first supporting part (312) is provided with a second limiting hole (62) capable of allowing a bolt to penetrate the first fixing plate (311) and the first supporting part (312) so as to lock the two.

7. The upper limb rehabilitation auxiliary training device according to claim 1, characterized in that, The upper arm fixing part (32) comprises a second fixing plate (321), the second fixing plate (321) is slidingly connected with a second supporting part (322), and a second locking mechanism (7) for locking the relative position of the second fixing plate (321) and the second supporting part (322) is arranged between the second fixing plate (321) and the second supporting part (322).

8. The upper limb rehabilitation auxiliary training device according to claim 7, characterized in that, The second locking mechanism (7) comprises a plurality of third limiting holes (71) arranged along the length direction of the second fixing plate (321), and the second supporting part (322) is provided with a fourth limiting hole (72) capable of allowing a bolt to penetrate the second fixing plate (321) and the second supporting part (322) so as to lock the two.

9. The upper limb rehabilitation auxiliary training device according to claim 1, characterized in that, One side of the forearm fixing part (31) is provided with a stop button (8), and the stop button (8) is electrically connected with the controller (3).

10. The upper limb rehabilitation auxiliary training device according to claim 1, characterized in that, The first rehabilitation device (1) and the second rehabilitation device (2) are electrically connected with the controller (3), and the controller (3) is provided with a wireless transmission module.

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