Wrist rehabilitation device

Abstract

The present application relates to wrist joint rehabilitation device technical field, specifically a wrist joint rehabilitation device, the rehabilitation device includes support assembly, the rehabilitation device further includes: lifting assembly, lifting assembly is fixedly arranged on the support assembly, for supporting the forearm of patient, rehabilitation assembly, the rehabilitation assembly includes rotating cylinder and rotating support, rotating support is rotatably connected on the support, rotating cylinder is rotatably installed on the rotating support, support is connected with support assembly through arcuate frame, the present application rehabilitation device, with human forearm and wrist as carrier, the damaged wrist joint is carried out active and passive and assisted rehabilitation training, the general posture of hand and palm is considered to design, improve the comfort of rehabilitation training, the wrist is carried out pronation / supination, ulna / radial deflection and flexion / extension combination movement, the training effect is good, three movement joints are adjusted, the flexible rehabilitation training is carried out using composite driving mode, improve the comfort in the process of rehabilitation training.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wrist joint rehabilitation device, and particularly relates to a wrist joint rehabilitation device. BACKGROUND

[0002] Nowadays, the number of patients with stroke increases, and the patients with stroke often show muscle atrophy of upper limbs, and the wrist joint cannot normally move or loses the ability to move.

[0003] The prior art discloses an application number CN201810935095.4, and the name is an upper limb rehabilitation training robot and a wrist joint training device thereof, wherein a portable, movable and mini-type upper limb rehabilitation training robot is disclosed, which can rotate the wrist for rotation training and realize the rehabilitation training of the upper limb.

[0004] However, the wrist rehabilitation mechanism in the prior art is for the rehabilitation movement of the whole arm of the upper limb patient, and the rehabilitation training of the wrist joint is ignored. The wrist joint of the human body is an ellipsoidal joint in the actual combined movement mode, and the rehabilitation effect of simple rotation training is poor. SUMMARY

[0005] The present application relates to the technical field of wrist joint rehabilitation device, and particularly relates to a wrist joint rehabilitation device.

[0006] The purpose of the present application can be achieved by the following technical scheme:

[0007] A wrist joint rehabilitation device, the rehabilitation device comprises a support assembly, and the rehabilitation device further comprises:

[0008] A lifting assembly is fixedly arranged on the support assembly and used for supporting the lower arm of the patient.

[0009] A rehabilitation assembly comprises a rotating cylinder and a rotating support, the rotating support is rotatably connected to the support, the rotating cylinder is rotatably installed on the rotating support, and the support is connected to the support assembly through an arcuate frame.

[0010] Further, the support assembly comprises a bottom plate and a suction cup for supporting the bottom plate, and the suction cups are arranged in an array on one side of the bottom plate.

[0011] Further, the lifting assembly comprises a sleeve fixedly connected to the bottom plate and a telescopic rod, the telescopic rod is slidably arranged on the sleeve, one side of the sleeve is provided with a fastening bolt for fixing the telescopic rod, and the upper end of the telescopic rod is fixedly provided with a lower arm supporting plate, and the lower arm supporting plate is connected with a bandage.

[0012] Further, the arcuate frame is rotatably provided with a shaft, a first wire reel is fixedly arranged on the shaft and used for driving the support to rotate, the shaft is connected with a rotating sleeve, the rotating sleeve is provided with a matching groove, and the support is installed on the rotating sleeve.

[0013] Further, the support frame comprises a first connecting rod and a second connecting rod, both of which are curved structures, one end of the first connecting rod is provided with a matching block, and the other end is connected with a second winding disc, and one end of the second connecting rod is also provided with a matching block, and the first connecting rod and the second connecting rod are connected through the matching block and the matching groove.

[0014] The first connecting rod and the second connecting rod are fixedly provided with a fixed rod between them, which is used for supporting the structure of the support frame and stabilizing the structure.

[0015] Further, the rehabilitation assembly further comprises a driving assembly, one side of the driving assembly is provided with a driving gear, which is used for driving the rotation of the rotating cylinder, the rotating support comprises two mounting plates, the driving assembly is connected and fixed with the mounting plates, and the mounting plates are mounted on the connecting plate.

[0016] One side of the connecting plate is provided with a rotating rod, the rotating rod is rotatably connected with the first connecting rod and the second connecting rod through a spline gear, the second winding disc is connected with a spline gear, and the spline gear is used for driving the rotation of the spline gear.

[0017] Further, the rotating cylinder is fixedly provided with a supporting plate, the supporting plate is provided with an elastic interlayer, the elastic interlayer is provided with a placing groove, which is used for placing the palm of the patient, one end of the rotating cylinder is provided with a driven gear, the driving gear is matched with the driven gear, and the driving gear is used for transmission.

[0018] Further, the first winding disc and the second winding disc are both Bowden wire winding discs, which are used for flexible driving.

[0019] The beneficial effects of the present application are as follows:

[0020] 1. The rehabilitation device takes the human small arm and wrist as a carrier, performs active, passive and assisted rehabilitation training on the damaged wrist joint, considers the general posture of the palm of the hand and wrist, improves the comfort of rehabilitation training, and performs pronation / supination, ulnar / radial deflection and flexion / extension combined motion on the wrist, so that the training effect is good.

[0021] 2. The rehabilitation device adopts a three-joint adjustment mode, is convenient to adjust independently, realizes a combined rehabilitation training function, adopts a composite driving mode to perform flexible rehabilitation training, and improves the comfort in the rehabilitation training process. BRIEF DESCRIPTION OF DRAWINGS

[0022] The present application will be further described below with reference to the drawings.

[0023] Figure 1 is a structural schematic view of the rehabilitation device of the present application;

[0024] Figure 2 is a partial enlarged structural schematic view of the present application Figure 1 .

[0025] Figure 3 It is a schematic view of the rehabilitation device structure of the present application. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] A wrist joint rehabilitation device, as shown in Figure 1 The wrist joint rehabilitation device comprises a support assembly 1, a lifting assembly 2 is arranged on the support assembly 1, and the lifting assembly 2 is used for supporting the forearm of a user to assist in wrist joint rehabilitation training. A rehabilitation assembly is arranged on the support assembly 1, and the rehabilitation assembly is arranged on a support 5. An arc-shaped frame 3 is arranged below the support 5, and the arc-shaped frame 3 is fixedly connected with the support assembly 1 through bolts, and is used for supporting and fixing the support 5.

[0028] The support assembly 1 comprises a bottom plate 11 and a suction cup 12, and the suction cups 12 are arranged in an array on one side of the bottom plate 11, and are used for supporting and fixing the bottom plate 11.

[0029] The lifting assembly 2 comprises a sleeve and a telescopic rod 21. One end of the sleeve is fixedly connected with the bottom plate 11 through bolts, and the other end is slidably connected with the telescopic rod 21. A fastening bolt 22 is arranged on one side of the sleeve, and is used for fixing the telescopic rod 21 which vertically slides in the sleeve. An upper end of the telescopic rod 21 is fixedly provided with a forearm support plate 23, and the forearm support plate 23 is arc-shaped, and is used for placing the forearm of a patient. The height of the forearm support plate 23 is adjusted by moving the telescopic rod 21 up and down. A connecting bolt 24 is arranged on the forearm support plate 23, and the forearm support plate 23 is fixed at the upper end of the telescopic rod 21 through the connecting bolt 24.

[0030] A first winding reel 4 is mounted on the arc-shaped frame 3. An axle is rotatably arranged on the arc-shaped frame 3, and the first winding reel 4 is fixedly connected with the axle. A rotating sleeve 31 is arranged on the arc-shaped frame 3, and a matching groove is arranged on the rotating sleeve 31. An axle hole is arranged in the rotating sleeve 31, and the axle hole is not shown. The axle is fixedly connected with the rotating sleeve 31 by means of bolts passing through the axle on the arc-shaped frame 3 and cooperating with the axle hole.

[0031] As shown in Figure 1 , Figure 3As shown, the support 5 includes a first connecting rod 51 and a second connecting rod 52, which are respectively arranged on both sides of the rehabilitation assembly, one end of the first connecting rod 51 is provided with a matching block 53, and the other end is connected with the second winding disc 9, one end of the second connecting rod 52 is also provided with a matching block 53, the matching blocks 53 are symmetrically connected on the rotating sleeve 31, and the matching blocks 53 are matched with the matching grooves, and are connected and fixed with the rotating sleeve 31 through the first locking bolt 54 arranged on one side of the matching block 53.

[0032] The first connecting rod 51 and the second connecting rod 52 are both curved structures, the support 5 further includes a fixing rod 55, the fixing rod 55 is located between the first connecting rod 51 and the second connecting rod 52, and both ends of the fixing rod 55 are provided with threaded structures, the second locking bolt 56 is connected with the threaded structures, and the second locking bolt 56 is matched with the threaded structures through the first connecting rod 51 or the second connecting rod 52 to fix the fixing rod 55, so that the structure of the support 5 is stable.

[0033] As shown in Figure 1 , Figure 2 , Figure 3 The rehabilitation assembly includes a rotating cylinder 6, a driving assembly 7 and a rotating support 8, the rotating cylinder 6 is rotationally arranged on the rotating support 8, the rotating support 8 includes two mounting plates 81, the mounting plates 81 are fixedly connected with the driving assembly 7, one side of the mounting plate 81 is fixedly provided with a connecting plate 82, and the connecting plate 82 and the mounting plate 81 are connected through bolts.

[0034] One side of the connecting plate 82 is provided with a rotating rod 83, one end of the rotating rod 83 is provided with a spline wheel 84, the two spline wheels 84 are rotationally arranged in the first connecting rod 51 and the second connecting rod 52, the second winding disc 9 is connected with one spline wheel 84, and the rotating cylinder 6 is rotated under the driving of the rotating rod 83.

[0035] The first winding disc 4 and the second winding disc 9 are both Bowden wire winding discs, which are used for driving.

[0036] One side of the driving assembly 7 is provided with a driving gear 71, one end of the rotating cylinder 6 is provided with a driven gear 63, the driving assembly 7 drives the driving gear 71 to rotate, the driving gear 71 is meshed with the driven gear 63 to drive transmission, and the rotating cylinder 6 rotates.

[0037] The rotating cylinder 6 is fixedly provided with a support plate 61, the support plate 61 is provided with an elastic interlayer 62, the support plate 61 is provided with a sliding groove 64, the sliding groove 64 is arranged in parallel with the central shaft of the rotating cylinder 6 and is slidably connected with the elastic interlayer 62, is used for adjusting the position of the elastic interlayer 62, and the elastic interlayer 62 is provided with a placing groove 65 for placing the hand of a patient.

[0038] In the embodiment, the working principle of the wrist joint rehabilitation device is as follows:

[0039] In use, first move the base plate 11 to the appropriate position and fix it, place the patient's wrist horizontally on the support plate 61, and place the palm into the placement slot 65 and fix it with the elastic cladding layer 62. Adjust the telescopic rod 21 until the small arm support plate 23 is in contact with the patient's small arm, fix the patient's small arm by the bandage arranged on the small arm support plate 23, and after adjusting the height of the small arm support plate 23 according to the patient's needs, tighten the fastening bolt 22 to fix the small arm support plate 23, and then perform the rehabilitation training.

[0040] The rehabilitation device can perform three-degree-of-freedom rotation training on the patient's wrist, and the rehabilitation training includes the following modes:

[0041] I. Rotate the support 5 by driving the first winding disc 4 externally, drive the rotating cylinder 6 to rotate horizontally, drive the wrist joint to rotate slightly, make the wrist perform ulnar / radial deviation movement, and perform palm swing rehabilitation training.

[0042] II. Drive the rotating support 8 to rotate by driving the second winding disc 9 externally, drive the rotating cylinder 6 to rotate vertically, drive the wrist joint to perform flexion / extension movement, and train the bending ability of the wrist.

[0043] III. Drive the rotating cylinder 6 to rotate by starting the driving assembly 7, make the palm rotate slightly, make the patient's wrist perform internal / external rotation movement, and train the rotation ability of the patient's wrist.

[0044] In this embodiment, the wrist joint rehabilitation device takes the human small arm and wrist as the carrier, performs active and passive and assisted rehabilitation training on the damaged wrist joint of the patient, considers the general posture of the diseased wrist and palm, adopts the design principle of human bionics to improve the comfort of the user during the rehabilitation process, reduces the complexity of the device in the form of external wire driving and mechanical assembly, improves the universality of the device which can be applied to multiple occasions, uses the principle of robotics to make the device can fully simulate the motion posture of the human wrist, and meets the requirements of the combined motion of pronation / supination, ulnar / radial deviation and flexion / extension of the human wrist;

[0045] The three motion joints are designed in an adjustable manner, the height and angle of the human small arm are adjusted through the sliding groove between the lifting base and the wrist joint support frame and the sleeve between the lifting base and the small arm lifting support, so as to meet the needs of different patients with different upper limb sizes, the motor driving and Bowden wire driving are combined to achieve the purpose of flexible rehabilitation process, and the wrist joint position adjusting plate is used to compensate the joint axis displacement of the human wrist in the motion state, so that the patient is more comfortable during the rehabilitation training process.

[0046] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A wrist rehabilitation device, the rehabilitation device comprising a support assembly (1), characterized in that, The rehabilitation device further comprises: a lifting assembly (2) fixedly arranged on the support assembly (1) and used for supporting the patient's forearm; a rehabilitation assembly comprising a rotating cylinder (6) and a rotating support (8), the rotating cylinder (6) is fixedly provided with a support plate (61) inside, the support plate (61) is provided with an elastic interlayer (62), the elastic interlayer (62) is provided with a placing groove (65) for placing the patient's palm, the rotating support (8) is rotatably connected to the rotatable support (5), the rotating cylinder (6) is rotatably arranged on the rotating support (8), and the support (5) is connected to the support assembly (1) through the arcuate frame (3); the arcuate frame (3) is rotatably provided with a shaft rod, the first winding disc (4) is fixedly arranged on the shaft rod and used for driving the support (5) to rotate, the shaft rod is connected with a rotating sleeve (31), the rotating sleeve (31) is provided with a matching groove for mounting the support (5); the support (5) comprises a first connecting rod (51) and a second connecting rod (52), the first connecting rod (51) and the second connecting rod (52) are arranged on the two sides of the rehabilitation assembly respectively, the first connecting rod (51) and the second connecting rod (52) are both curved structures, one end of the first connecting rod (51) is provided with a matching block (53), the other end is connected with a second winding disc (9), one end of the second connecting rod (52) is also provided with a matching block (53), and the first connecting rod (51) and the second connecting rod (52) are both connected with the matching groove through the matching block (53); the rehabilitation assembly further comprises a driving assembly (7), one side of the driving assembly (7) is provided with a driving gear (71) and used for driving the rotating cylinder (6) to rotate, the rotating support (8) comprises two mounting plates (81), the driving assembly (7) is fixedly connected with the mounting plates (81), and the mounting plates (81) are mounted on a connecting plate (82); one side of the connecting plate (82) is provided with a rotating rod (83), the rotating rod (83) is rotatably connected with the first connecting rod (51) and the second connecting rod (52) through a spline wheel (84), the second winding disc (9) is connected with one spline wheel (84) and used for driving the spline wheel (84) to rotate.

2. The wrist rehabilitation device of claim 1, wherein, the support assembly (1) comprises a bottom plate (11) and a suction disc (12) used for supporting the bottom plate (11), and the suction disc (12) is arranged on one side of the bottom plate (11) in an array.

3. The wrist rehabilitation device of claim 2, wherein, the lifting assembly (2) comprises a sleeve fixedly connected with the bottom plate (11) and a telescopic rod (21), the telescopic rod (21) is slidably arranged on the sleeve, one side of the sleeve is provided with a fastening bolt (22) and used for fixing the telescopic rod (21), and the telescopic rod (21) is fixedly provided with a forearm supporting plate (23) on the top, and the forearm supporting plate (23) is connected with a bandage.

4. The wrist rehabilitation device of claim 1, wherein, the first connecting rod (51) and the second connecting rod (52) are fixedly provided with a fixed rod (55) therebetween and used for supporting the structure stability of the support (5), and the fixed rod (55) is provided with a threaded structure at both ends.

5. The wrist rehabilitation device of claim 1, wherein, one end of the rotating cylinder (6) is provided with a driven gear (63), the driving gear (71) is matched with the driven gear (63) and used for transmission.

6. The wrist rehabilitation device of claim 1, wherein, the first winding disc (4) and the second winding disc (9) are both Bowden wire winding discs and used for flexible driving.

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