Training device for limb rehabilitation treatment
By simulating muscle antagonism through pneumatic tendon assembly, the problem of insufficient driving force flexibility in existing rehabilitation equipment is solved, realizing the flexibility and effectiveness of limb rehabilitation training and reducing the risk of injury.
Patent Information
- Application Number
- CN202423103362.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing rehabilitation devices, when applying driving force through cylinders and servo motors, suffer from insufficient flexibility in driving force control, which can easily cause additional damage to injured limbs.
The pneumatic tendon assembly simulates muscle antagonism. Through the cooperation of the upper arm fixation component, telescopic bar and pneumatic tendon assembly, it can achieve flexibility training of the patient's limb, including wrist joint and grip strength training.
It enables flexible training of the patient's limbs, simulates real muscle antagonism, reduces additional damage, and improves training effectiveness and practicality.
Smart Images

Figure CN223914376U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of medical auxiliary equipment, specifically relates to a training device for limb rehabilitation treatment. BACKGROUND
[0002] The exercise therapy in the rehabilitation treatment: mainly through various active and passive movement to improve the patient's physical function. For example, for the patient after fracture, the rehabilitation therapist will design the corresponding rehabilitation exercise scheme according to the different stages of fracture healing. In the early stage, it may be mainly to carry out the isometric contraction training of muscle, like quadriceps isometric contraction, i.e. the patient tightens the thigh muscle, but does not cause joint activity, so that muscle atrophy can be prevented. And can combine other therapies to improve the treatment means. For example, for the patient with neck shoulder waist leg pain, ultrasonic treatment can be used. Ultrasonic wave can penetrate into the internal organization, produce mechanical effect and warm effect, promote local blood circulation, relieve pain and muscle spasm.
[0003] However, the existing exercise therapy adopts the rehabilitation equipment. In the training of the rehabilitation treatment of the damaged limbs through the rehabilitation equipment, the driving force of the equipment is mainly applied by the air cylinder and servo motor. The running mode of this driving force is too mechanical when increasing and decreasing torque, and additional damage is easy to occur. UTILITARY MODEL CONTENT
[0004] The utility model aims at providing a training device for limb rehabilitation treatment, which can simulate the antagonistic action of muscle to solve the problem of insufficient flexibility of the driving force control of the existing rehabilitation equipment and easy damage.
[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme:
[0006] A training device for limb rehabilitation treatment, comprising a base, a large arm fixing assembly and a small arm training assembly. The base is provided with a guide groove along its length direction. The large arm fixing assembly is fixedly installed at one end of the base. The small arm training assembly is slidingly installed in the guide groove. A telescopic rod is connected between the large arm fixing assembly and the small arm training assembly. The other end of the base is provided with a wrist joint training assembly. The wrist joint training assembly and the small arm training assembly are connected by a pneumatic tendon group. The wrist joint training assembly is driven by the pneumatic tendon group to perform training actions in at least two directions. The pneumatic tendon group comprises a second pneumatic tendon and two groups of two first pneumatic tendons connected in series and connected in parallel with the second pneumatic tendon.
[0007] The utility model discloses a training device for the rehabilitation treatment of patients, which comprises a base, a large arm fixing assembly, a small arm training assembly and a wrist joint training assembly.
[0008] Further limitation, the bottom of the base is detachably installed with a connecting plate, and the connecting plate is rotationally installed with a bending plate; the bending plate is installed with an elastic element between the base.
[0009] Wherein, the elastic element can adopt spring, elastic sheet or silica gel column; the bending plate provides a bending force to the palm to help the rehabilitation training of the palm.
[0010] Further limitation, further comprising a grip training assembly, the grip training assembly is installed on the side of the wrist joint training assembly away from the small arm training assembly, and is used for the grip training of the patient.
[0011] Such structure design can train the grip of the hand; meanwhile, combined training with the wrist joint training assembly can be carried out, and the training effect is better.
[0012] Further limitation, the grip training assembly comprises a third pneumatic muscle and a rubber ball, one end of the third pneumatic muscle is detachably installed on the base, and the other end of the third pneumatic muscle is installed with the rubber ball.
[0013] Further limitation, the large arm fixing assembly comprises a fixed frame and a movable frame, one end of the movable frame is connected with one end of the fixed frame through a rotating shaft, the other end of the movable frame is provided with a clamping pin, and the other end of the fixed frame is provided with a clamping groove matched with the clamping pin; the fixed frame is installed with a main air bag, and the movable frame is installed with a movable air bag communicated with the main air bag.
[0014] Further limitation, the small arm training assembly comprises a sliding frame and a ring-shaped air bag slidingly installed on the sliding frame; the inner wall of the ring-shaped air bag is provided with an inner limiting groove, and at least three arc-shaped massage shells are embedded in the inner limiting groove in a circumferential array.
[0015] Further limited, the wrist joint training assembly includes a semicircular plate, the sliding frame and the semicircular plate are provided with ball hinge connecting holes; the ball hinge connecting holes are connected with ball hinges for being connected with the first pneumatic muscle tendon or the second pneumatic muscle tendon.
[0016] Further limited, the base is provided with a limiting opening for installing a flexible supporting pad; the limiting opening is arranged between the large arm fixing assembly and the small arm training assembly or between the small arm training assembly and the wrist joint training assembly.
[0017] The utility model has the advantages that:
[0018] In the application, when the patient is treated, the hand of the patient is fixed by the large arm fixing assembly; the small arm passes through the small arm training assembly and is arranged on the wrist joint training assembly; the distance between the large arm fixing assembly and the small arm training assembly can be adjusted by the telescopic rod to adapt to different patients; and the telescopic rod can also drive the small arm training assembly to reciprocate when the small arm is trained, so that the small arm training assembly can press the small arm; the pneumatic muscle tendon group can be used to stretch or contract the corresponding pneumatic muscle tendon by sucking or supplying air to the different pneumatic muscle tendons in the pneumatic muscle tendon group, so that the corresponding wrist joint training assembly part connected with the pneumatic muscle tendon can be driven to move, the wrist joint can be trained, the pneumatic muscle tendon group can simulate the antagonistic action of the real muscle, and the practicability is high. The grip training assembly is arranged, the grip of the hand can be trained, the wrist joint training assembly can be combined for combined training, the training effect is better, the overall structure is simple, the cost is low, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model can be further illustrated by the non-limiting embodiments shown in the drawings;
[0020] Figure 1 It is a first structure schematic view of the training device embodiment for limb rehabilitation treatment of the utility model;
[0021] Figure 2 It is a second structure schematic view of the training device embodiment for limb rehabilitation treatment of the utility model;
[0022] Figure 3 It is a structure schematic view of the large arm fixing assembly in the embodiment of the utility model;
[0023] Figure 4 It is a structure schematic view of the small arm training assembly in the embodiment of the utility model;
[0024] Figure 5 It is a structure schematic view of the arc-shaped massage shell in the embodiment of the utility model;
[0025] Figure 6 Figure 1 is a structural schematic diagram of a bending plate in an embodiment of the present application;
[0026] Figure 7 Figure 2 is a structural schematic diagram of a flexible supporting pad in an embodiment of the present application;
[0027] The main element symbols are explained as follows:
[0028] 100, base; 101, guide groove; 102, limiting port; 103, telescopic rod; 104, mounting block; 105, bending plate; 106, mounting hole; 107, flexible supporting pad; 200, large arm fixing assembly; 201, fixing frame; 202, rotating shaft; 203, movable frame; 204, clamping pin; 205, clamping groove; 206, main air bag; 207, air inlet; 208, movable air bag; 300, small arm training assembly; 301, sliding frame; 302, limiting groove; 303, annular air bag; 304, limiting clamping ring; 305, inner limiting groove; 306, ball hinge connecting hole; 307, air inlet; 308, rod connecting hole; 310, arc-shaped massage shell; 311, connecting notch; 312, protrusion; 313, connecting protrusion; 400, wrist joint training assembly; 401, first pneumatic muscle tendon; 402, second pneumatic muscle tendon; 403, semicircular arc plate; 404, ball hinge; 500, grip strength training assembly; 501, third pneumatic muscle tendon; 502, elastic ball. DETAILED DESCRIPTION
[0029] The present application will be described in detail below in conjunction with the drawings and specific embodiments. It should be noted that similar or identical parts are denoted by the same reference numerals in the drawings or the description, and the implementation not shown or described in the drawings is in the form known to those skilled in the art. In addition, the direction terms mentioned in the embodiments, such as "up", "down", "top", "bottom", "left", "right", "front", "back", etc., are only the directions of the drawings and are not intended to limit the scope of protection of the present application.
[0030] As Figures 1-7As shown, the training device for limb rehabilitation treatment of the utility model embodiment, including base 100, big arm fixed assembly 200 and small arm training assembly 300, base 100 is along its length direction and is opened with guide slot 101, and two are opened in parallel with guide slot 101, and threaded hole is processed in guide slot 101, big arm fixed assembly 200 is fixedly installed in one end of base 100 through screw, threaded hole, small arm training assembly 300 is slidably installed in guide slot 101, and telescopic rod 103 is connected between big arm fixed assembly 200 and small arm training assembly 300, and telescopic rod 103 adopts air rod, the distance between big arm fixed assembly 200 and small arm training assembly 300 can be adjusted through air rod, small arm training assembly 300's movement drive can also be carried out after the distance is adjusted well.The other end of base 100 is provided with wrist joint training assembly 400, and pneumatic muscle tendon group is connected between wrist joint training assembly 400 and small arm training assembly 300, and wrist joint training assembly 400 is driven to carry out training action in the direction such as front to back, back to front, left to right and right to left through pneumatic muscle tendon group, wherein the pneumatic muscle tendon group includes a second pneumatic muscle tendon 402 and two groups of two series first pneumatic muscle tendons 401 parallel with the second pneumatic muscle tendon 402, in this way, the second pneumatic muscle tendon 402 simulates long muscle tendon, and the first pneumatic muscle tendon 401 simulates short muscle tendon, and is combined into an antagonistic muscle, and more real rehabilitation training effect is realized.
[0031] As Figure 2 、 Figure 4 shown, in the embodiment, wrist joint training assembly 400 includes semicircular arc plate 403, and small arm training assembly 300, pneumatic muscle tendon group, semicircular arc plate 403 can be connected through ball hinge 404, wherein ball hinge 404 can be connected with the end of first pneumatic muscle tendon 401 or second pneumatic muscle tendon 402, in pneumatic muscle tendon group, one first pneumatic muscle tendon 401 can be telescoped alone, two first pneumatic muscle tendons 401 can be telescoped, second pneumatic muscle tendon 402 can be telescoped alone, and first pneumatic muscle tendon 401 and second pneumatic muscle tendon 402 can be telescoped in coordination, and realize the action drive of multiple directions.
[0032] The structure design, when the patient is treated by the training device, the forearm fixing assembly 200, the forearm training assembly 300 and the wrist joint training assembly 400 form a complete antagonistic structure; the hand of the patient is relatively fixed by the forearm fixing assembly 200; the forearm passes through the forearm training assembly 300 and is placed on the wrist joint training assembly 400; the distance between the forearm fixing assembly 200 and the forearm training assembly 300 can be adjusted by the telescopic rod 103, so as to adapt to different patients; and the telescopic rod 103 can also drive the forearm training assembly 300 to move when the forearm is trained, so that the forearm training assembly 300 presses the forearm; the suction and supply of different pneumatic tendons in the pneumatic tendon group can drive the wrist joint training assembly 400 connected with the corresponding pneumatic tendon to move, so as to realize the training of the wrist joint; the pneumatic tendon group can simulate the antagonistic action of the real muscle, and has high practicability.
[0033] In fact, the pneumatic tendon group of the embodiment can also include a second pneumatic tendon 402 and a group of first pneumatic tendons 401 connected in parallel with the second pneumatic tendon 402; the group of first pneumatic tendons 401 is provided with two first pneumatic tendons 401 connected in series; wherein the two first pneumatic tendons 401 can be fixedly connected through a connecting block.
[0034] As shown in Figure 1 , Figure 2 and Figure 6 , in the embodiment, a connecting plate is detachably installed on the base 100 below the wrist joint training assembly 400, wherein a plurality of mounting holes 106 are processed on the base 100; the connecting plate can be installed on the appropriate mounting hole 106 through a screw, so as to realize the detachable installation. The connecting plate is rotatably installed with a bending plate 105; the elastic element is installed between the bending plate 105 and the base 100; the elastic element can adopt a spring, so that the bending plate 105 provides a bending force to the palm, helping the palm to perform rehabilitation training and assisting the palm to bend and straighten.
[0035] In fact, the rotatable installation of the connecting plate and the bending plate 105 in the embodiment can be installed through a rotating shaft 202 or a hinge. Among them, the elastic element can also select a spring piece or a silica gel column when selected.
[0036] As shown in Figure 1 , Figure 2As shown, in the embodiment, the training device further comprises a grip training assembly 500, which is installed on the side of the wrist joint training assembly 400 away from the forearm training assembly 300, and is used for training the grip of the patient. The grip training assembly 500 in the embodiment comprises a third pneumatic tendon 501 and an elastic ball 502. One end of the third pneumatic tendon 501 is detachably installed on the base 100, and the other end of the third pneumatic tendon 501 is installed with the elastic ball 502.
[0037] In fact, the third pneumatic tendon 501 is detachably installed; specifically, a mounting block 104 is installed on the rear side of the base 100, and a connecting port is processed on the mounting block 104, through which a spherical hinge 404 for connecting the third pneumatic tendon 501 can be installed. With such a structure design, the grip of the hand can be trained while the elbow and forearm are trained through the forearm training assembly 300; at the same time, combined training can also be carried out with the wrist joint training assembly 400, and the training effect is better.
[0038] The elastic ball 502 in the embodiment can also be detachably installed through an elastic circular tube; the elastic circular tube can provide a certain amount of bending deformation when the elastic ball 502 is held.
[0039] As shown, Figure 3 In the embodiment, the forearm fixing assembly 200 comprises a fixed frame 201 and a movable frame 203. The fixed frame 201 can be installed on the end of the guide groove 101 through a screw. One end of the movable frame 203 is connected to one end of the fixed frame 201 through a rotating shaft 202. The movable frame 203 can rotate 90° clockwise around the fixed frame 201 through the rotating shaft 202. The other end of the movable frame 203 is provided with a clamping pin 204, and the other end of the fixed frame 201 is provided with a clamping groove 205 matched with the clamping pin 204. The fixed frame 201 is installed with a main air bag 206, and the movable frame 203 is installed with a movable air bag 208 connected with the main air bag 206. The connection part of the main air bag 206 and the movable air bag 208 is connected through a folding pipe, which can be stretched and contracted within a certain stroke. A rotating shaft hole connected with the rotating shaft 202 is formed in the fixed frame 201, and the rotating shaft 202 can rotate and lift in the rotating shaft hole. When the movable frame 203 rotates, the movable air bag 208 can rotate synchronously. Then, the forearm can be overlapped on the main air bag 206, and the movable air bag 208 is driven to correspond to the main air bag 206 through the rotation of the movable frame 203.
[0040] In the embodiment, the main air bag 206 is provided with an air inlet 207, and the air inlet 207 is connected with an air pump through a hose. The air pump pumps air into the main air bag 206, and the gas in the main air bag 206 can be connected to the movable air bag 208. The main air bag 206 and the movable air bag 208 can squeeze the forearm after being connected with air.
[0041] As Figure 4 , Figure 5 shown in the embodiment, the forearm training assembly 300 includes a sliding frame 301 and a ring-shaped air bag 303 slidingly installed on the sliding frame 301; the inner wall of the ring-shaped air bag 303 is provided with an inner limiting groove 305, and three arc-shaped massage shells 310 are embedded in the inner limiting groove 305 in a circumferential array. Among them, a ball hinge connecting hole 306 is formed on the sliding frame 301, which is used to install a ball hinge 404 connected with the first pneumatic muscle 401 and the second pneumatic muscle 402.
[0042] Actually, the shapes of the fixed frame 201 and the sliding frame 301 are U-shaped; a rod connecting hole 308 is formed at the bottom of the fixed frame 201 and the sliding frame 301, and the two ends of the telescopic rod 103 are connected between the fixed frame 201 and the sliding frame 301 through the rod connecting hole 308. A limiting groove 302 is formed on the inner wall of the sliding frame 301, and a limiting snap ring 304 is arranged on the outer wall of the ring-shaped air bag 303 in sliding cooperation with the limiting groove 302; the ring-shaped air bag 303 can rotate under the sliding cooperation of the limiting snap ring 304 and the limiting groove 302.
[0043] The arc-shaped massage shell 310 in the embodiment is a tubular cavity structure, the two ends of the arc-shaped massage shell 310 are provided with a connecting recess 311 and a connecting protrusion 313, and the connecting recess 311 and the connecting protrusion 313 can be docked; the outer arc surface of the arc-shaped massage shell 310 is provided with a protrusion 312 in sliding cooperation with the inner limiting groove 305. The inner arc surface of the arc-shaped massage shell 310 is provided with massage convex points, which can rotate to press and massage the muscles and acupoints. After the three arc-shaped massage shells 310 embedded in a circumferential array contact the elbow or the forearm, when the ring-shaped air bag 303 rotates, the arc-shaped massage shells 310 will have a movement stroke difference relative to the ring-shaped air bag 303 due to the reaction force of the arc-shaped massage shells 310 extruding the elbow or the forearm, thereby achieving the rotating extrusion and massage effect on the elbow or the forearm.
[0044] Actually, one side wall surface of the ring-shaped air bag 303 is provided with an air hole, and an air nozzle 307 is installed on the air hole; the air nozzle 307 can be connected to a gas pump to realize pumping and air extraction. In the embodiment, four arc-shaped massage shells 310 can also be embedded in the inner limiting groove 305 in a circumferential array according to actual needs.
[0045] As Figure 1 , Figure 7As shown, in the embodiment, the base 100 is provided with a limiting opening 102 for mounting the flexible support pad 107; wherein the limiting opening 102 can be provided at one place, and can be arranged between the fixed frame 201 of the large arm fixing assembly 200 and the sliding frame 301 of the small arm training assembly 300, or arranged between the sliding frame 301 of the small arm training assembly 300 and the semicircular arc plate 403 of the wrist joint training assembly 400. The flexible support pad 107 can adopt a silica gel pad.
[0046] In fact, other soft and elastic cotton pads can also be selected as needed. The flexible support pad 107 can be deformed appropriately to adapt to the lap joint of the arm; and provide appropriate heat preservation function for the arm, avoid poor feeling during training, improve the training effect, and have high practicability.
[0047] In fact, the limiting opening 102 can also be provided at two places, and can be arranged between the fixed frame 201 of the large arm fixing assembly 200 and the sliding frame 301 of the small arm training assembly 300, and between the sliding frame 301 of the small arm training assembly 300 and the semicircular arc plate 403 of the wrist joint training assembly 400.
[0048] Such a structure design, through the large arm fixing assembly 200 arranged, the hand of the patient is relatively fixed; the small arm passes through the small arm training assembly 300 and is lapped on the wrist joint training assembly 400; the distance between the large arm fixing assembly 200 and the small arm training assembly 300 can be adjusted through the telescopic rod 103, and different patients can be adapted; and the telescopic rod 103 can also drive the small arm training assembly 300 to reciprocate when the small arm is trained, so that the small arm training assembly 300 presses the small arm; through the air extraction and air supply of different pneumatic tendons in the pneumatic tendon group, the corresponding pneumatic tendon can be stretched or contracted, and then the part of the wrist joint training assembly 400 connected with the corresponding pneumatic tendon is driven to move, so that the wrist joint training is realized; the pneumatic tendon group can simulate the antagonistic action of the real muscle, and has high practicability. The grip training assembly 500 arranged in cooperation can train the grip of the hand on one hand; and on the other hand, can be combined with the wrist joint training assembly 400 for combined training, has good training effect, and has high practicability.
[0049] The training device for limb rehabilitation treatment provided by the utility model is described in detail above. The description of the specific embodiments is only used to help understand the method of the utility model and its core idea. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claim.
Claims
1. A training device for limb rehabilitation therapy, comprising a base (100), an upper arm fixation component (200), and a forearm training component (300); characterized in that, The base (100) has a guide groove (101) along its length. The upper arm fixing component (200) is fixedly installed at one end of the base (100). The forearm training component (300) is slidably installed in the guide groove (101). A telescopic rod (103) is connected between the upper arm fixing component (200) and the forearm training component (300). A wrist joint training component (400) is provided at the other end of the base (100). A pneumatic tendon group is connected between the wrist joint training component (400) and the forearm training component (300). The wrist joint training component (400) is driven by the pneumatic tendon group to perform training movements in at least two directions. The pneumatic tendon group includes a second pneumatic tendon (402) and two sets of two first pneumatic tendons (401) connected in parallel with the second pneumatic tendon (402).
2. The training device for limb rehabilitation therapy according to claim 1, characterized in that: A connecting plate is detachably mounted on the base (100) below the wrist joint training component (400), and a bending plate (105) is rotatably mounted on the connecting plate; an elastic element is installed between the bending plate (105) and the base (100).
3. The training device for limb rehabilitation therapy according to claim 1, characterized in that: It also includes a grip strength training component (500), which is mounted on the side of the wrist joint training component (400) away from the forearm training component (300) for performing grip strength training on the patient.
4. A training device for limb rehabilitation therapy according to claim 3, characterized in that: The grip strength training component (500) includes a third pneumatic tendon (501) and an elastic ball (502). One end of the third pneumatic tendon (501) is detachably mounted on the base (100), and the other end of the third pneumatic tendon (501) is mounted on the elastic ball (502).
5. A training device for limb rehabilitation therapy according to claim 1, characterized in that: The boom fixing assembly (200) includes a fixed frame (201) and a movable frame (203). One end of the movable frame (203) is connected to one end of the fixed frame (201) via a rotating shaft (202). The other end of the movable frame (203) is provided with a locking pin (204). The other end of the fixed frame (201) is provided with a slot (205) that engages with the locking pin (204). A main airbag (206) is installed on the fixed frame (201), and a movable airbag (208) connected to the main airbag (206) is installed on the movable frame (203).
6. A training device for limb rehabilitation therapy according to claim 1, characterized in that: The forearm training component (300) includes a sliding frame (301) and an annular airbag (303) slidably mounted on the sliding frame (301); the inner wall of the annular airbag (303) is provided with an inner limiting groove (305), and at least three arc-shaped massage shells (310) are embedded in the inner limiting groove (305) in a circumferential array.
7. A training device for limb rehabilitation therapy according to claim 6, characterized in that: The wrist joint training component (400) includes a semi-circular plate (403), and both the sliding frame (301) and the semi-circular plate (403) are provided with ball joint connection holes (306); the ball joint connection holes (306) are connected to ball joints (404) for connecting with the first pneumatic tendon (401) or the second pneumatic tendon (402).
8. A training device for limb rehabilitation therapy according to claim 1, characterized in that: The base (100) has a limiting port (102) for installing a flexible support pad (107); the limiting port (102) is located between the upper arm fixing component (200) and the lower arm training component (300) or between the lower arm training component (300) and the wrist joint training component (400).