Upper limb rehabilitation training device used after radial artery intervention operation

By designing an upper limb rehabilitation training device after radial artery intervention, using a motor-driven linkage mechanism and a grip ball ring, the pain, numbness and swelling problems of patients after radial artery intervention are solved. It enables synchronous training of the arm and hand, promotes blood return, alleviates complications and avoids overtraining.

CN224207041UActive Publication Date: 2026-05-08THE FIRST HOSPITAL OF LONGYAN CITY FUJIAN PROVINCE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
THE FIRST HOSPITAL OF LONGYAN CITY FUJIAN PROVINCE
Filing Date
2025-01-02
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Patients after radial artery intervention lack specialized rehabilitation training equipment, leading to complications such as pain, numbness, swelling, and bleeding. Furthermore, existing equipment cannot effectively promote venous and lymphatic return and alleviate discomfort.

Method used

A rehabilitation training device for the upper limb after radial artery intervention was designed. The device uses a motor-driven linkage mechanism to make the movable support swing up and down. Combined with the use of a grip ball, it enables arm raising and hand grasping training, promoting blood flow return.

Benefits of technology

It enables synchronized training of the arms and hands, relieves pain, swelling and numbness, promotes blood flow, reduces complications, and has an automatic timing function to avoid overtraining.

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Abstract

The utility model provides a radial artery interventional postoperative upper limb rehabilitation training device which comprises a placing seat, a supporting frame, a movable leaning frame and a grip ball ring, a soft cushion is laid on the placing seat, the supporting frame is installed above the placing seat, the top of the supporting frame is connected with the grip ball ring through an elastic band, and the movable leaning frame is connected with the grip ball ring through the elastic band. The movable leaning frame comprises a connecting rod mechanism and a U-shaped frame with a back cushion at the end part, the end parts of two side rods of the U-shaped frame are hinged with the bottom of the placing seat, the connecting rod mechanism comprises a connecting rod and a rotating rod, one end of the rotating rod penetrates from the side surface of the bottom of the placing seat and is connected with a driving motor, and the other end of the rotating rod is provided with a longitudinal sliding chute; the sliding grooves are provided with corresponding sliding rods, one ends of the connecting rods are rotatably connected with the sliding rods, and the other ends of the connecting rods are hinged to the side rods of the U-shaped frame on the same side. The upper limbs can be driven to do repeated lifting motion, and meanwhile, the fingers are trained to move to promote blood flow backflow.
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Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, specifically relating to an upper limb rehabilitation training device after radial artery intervention. Background Technology

[0002] Transradial coronary intervention (TRI) is widely used in clinical practice due to its minimally invasive nature, rapid recovery, short hospital stay, and low medical costs. However, the radial artery is much smaller than the femoral artery, requiring a hemostatic valve to compress the vessel upon the patient's return to the ward post-procedure. During this compression, the patient may experience various complications such as pain, numbness, swelling, and bleeding. However, as long as the upper arm and hand can perform active or passive movements, venous and lymphatic return can be promoted, thereby relieving edema and reducing pressure on the wrist nerves, thus alleviating discomfort such as pain, swelling, and numbness. However, specialized equipment for post-TRI rehabilitation training is lacking in clinical practice. Utility Model Content

[0003] To address the aforementioned technical problems, this invention provides an upper limb rehabilitation training device after radial artery intervention. It enables repeated raising movements of the upper limb, simultaneously training hand gripping strength and finger movement, and promoting blood flow return.

[0004] To achieve the objective of this utility model, the technical solution adopted by this utility model is as follows:

[0005] An upper limb rehabilitation training device after radial artery intervention includes a placement seat, a support frame, a movable backrest, and a grip ball. A soft pad is laid on the placement seat, and the support frame is installed above the placement seat. The top of the support frame is connected to the grip ball via an elastic band. The movable backrest includes a linkage mechanism and a U-shaped frame with pads at its ends. The ends of the two rods of the U-shaped frame are hinged to the bottom of the placement seat. The linkage mechanism includes a connecting rod and a rotating rod. One end of the rotating rod passes through the bottom side of the placement seat and is connected to a drive motor. The other end of the rotating rod has a longitudinal groove with a corresponding sliding rod. One end of the connecting rod is rotatably connected to the sliding rod, and the other end of the connecting rod is hinged to the side rod of the U-shaped frame on the same side.

[0006] The connecting rod of this utility model includes a screw with threads at both ends, and bushings are threaded to both ends of the screw. The two bushings are respectively bolted to the U-shaped frame and the rotating rod.

[0007] Preferably, the side rods of the U-shaped frame are provided with a plurality of connecting holes arranged side by side for connecting the connecting rods.

[0008] The bottom of the placement base of this utility model is traversed by a horizontal bar on both sides. Both ends of the horizontal bar are threaded. The two side rods of the U-shaped frame are respectively sleeved on the two ends of the horizontal bar and limited by nuts on the outside.

[0009] The grip ball ring of this utility model includes an annular handle and multiple finger rings disposed on the handle.

[0010] Preferably, the outer surface of the grip ball ring is provided with massage bumps.

[0011] The drive motor described in this invention is connected to the power supply via a timer.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1. The motor drives the linkage mechanism to make the movable support swing up and down, causing the arm to repeatedly lift up. At the same time, under the action of the elastic band, the hand relaxes and grips the grip ball ring with the movable support, so that the whole process can train the arm and the hand grip training at the same time.

[0014] 2. The drive motor is connected to the power supply via a timer to time the duration of each training session. Once the preset time has elapsed, the power will automatically cut off to stop the training, thus preventing overtraining. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the upper limb rehabilitation training device after radial artery intervention.

[0016] Figure 2 A schematic diagram of the linkage mechanism of the movable support frame for an arm rehabilitation training device.

[0017] Figure 3 This is a schematic diagram of the grip ring structure in Example 3.

[0018] The markings in the diagram are as follows: 1. Placement seat, 2. Movable backrest, 3. Linkage mechanism, 4. U-shaped frame, 5. Support frame, 6. Grip ball ring, 7. Elastic band, 8. Drive motor, 9. Crossbar, 10. Nut, 11. Soft pad, 21. Backrest, 31. Linkage rod, 32. Rotating rod, 61. Handle, 62. Finger ring, 63. Massage bumps, 81. Rotating shaft, 311. Screw, 312. Bushing, 313. Slide rod, 321. Slide groove. Detailed Implementation

[0019] To more clearly and in detail illustrate the objective technical solution of this utility model, the present utility model will be further described below through relevant embodiments. The following embodiments are merely illustrative of the implementation methods of this utility model and do not limit the scope of protection of this utility model.

[0020] Example 1

[0021] like Figure 1-2As shown, an upper limb rehabilitation training device after radial artery intervention includes a placement seat 1, a support frame 5, a movable backrest 2, and a grip ball ring 6. A soft pad 11 is laid on the placement seat 1, and the support frame 5 is installed above the placement seat 1. The top of the support frame 5 is connected to the grip ball ring 6 through an elastic band 7. The movable backrest 2 includes a linkage mechanism 3 and a U-shaped frame 4 with a backrest 21 at one end. The ends of the rods on both sides of the U-shaped frame 4 are hinged to the bottom of the placement seat 1. The linkage mechanism 3 includes a connecting rod 31 and a rotating rod 32. One end of the rotating rod 32 passes through the bottom side of the placement seat 1 and is connected to a drive motor 8. The other end of the rotating rod 32 is provided with a longitudinal sliding groove 321. A corresponding sliding rod 313 is provided on the sliding groove 321. One end of the connecting rod 31 is rotatably connected to the sliding rod 313, and the other end of the connecting rod 31 is hinged to the side rod of the U-shaped frame 4 on the same side.

[0022] Place the arm on the support seat 1, rest the hand on the cushion 21 of the movable support frame 3, and hold the grip ball ring 6. Start the drive motor 8, which drives the rotating rod 32 to rotate. With the cooperation of the sliding rod 313 and the sliding groove 321, the connecting rod 31 moves up and down synchronously. The U-shaped frame 4, which is hinged to it, will be driven to swing back and forth in a small arc at the hinge point with the support seat 1, causing the arm to repeatedly lift and lower. When the movable support frame 3 is lowered, the arm is lowered, and the patient squeezes the grip ball ring 6, tightening the elastic band 7; when the movable support frame 3 is raised, the arm is raised, and the elastic band 7 is relaxed; the patient's hand relaxes. The whole process trains the arm and also trains the hand's grasping ability.

[0023] Example 2

[0024] This embodiment is based on embodiment 1:

[0025] The connecting rod 31 includes a screw 311 with threads at both ends. Both ends of the screw 311 are threaded with bushings 312. The two bushings 312 are bolted to the U-shaped frame 4 and the rotating rod 32, respectively.

[0026] The side rods of the U-shaped frame 4 are provided with a plurality of connecting holes 41 arranged side by side for connecting the connecting rod 31.

[0027] The connection between the connecting rod 31 and the side rod of the U-shaped frame 4 is easily adjustable, thereby adjusting the swing amplitude of the movable support 2.

[0028] Example 3

[0029] This embodiment is based on embodiment 1:

[0030] The bottom sides of the placement seat 1 are traversed by a horizontal bar 9, and both ends of the horizontal bar 9 are threaded. The two side rods of the U-shaped frame 4 are respectively sleeved on the two ends of the horizontal bar 9 and limited by nuts 10 on the outside.

[0031] like Figure 3 As shown, the grip ball ring 6 includes an annular handle 61 and a plurality of finger rings 62 disposed on the handle.

[0032] The outer surface of the grip ball ring 6 is provided with massage bumps 63, which provide pressure stimulation and help with recovery.

[0033] Example 4

[0034] This embodiment is based on embodiment 1:

[0035] The drive motor is connected to the power supply via a timer to time the duration of each training session. The power is automatically cut off and training stops when the preset time has elapsed.

[0036] The timer of this invention uses a DELIXI timer socket, and the power plug of the drive motor is connected to the power socket through the timer socket.

[0037] Connection methods not mentioned in this utility model include riveting, snap-fitting, threaded connection, bonding, or integral molding.

[0038] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A rehabilitation training device for the upper limb after radial artery intervention, characterized in that: The device includes a base, a movable backrest, a support frame, and a grip ball. A soft pad is laid on the base, and the support frame is installed above it. The top of the support frame is connected to the grip ball via an elastic band. The movable backrest includes a linkage mechanism and a U-shaped frame with pads at its ends. The ends of the two rods on both sides of the U-shaped frame are hinged to the bottom of the base. The linkage mechanism includes a connecting rod and a rotating rod. One end of the rotating rod passes through the bottom side of the base and connects to a drive motor. The other end of the rotating rod has a longitudinal groove with a corresponding sliding rod. One end of the connecting rod is rotatably connected to the sliding rod, and the other end of the connecting rod is hinged to the side rod of the U-shaped frame on the same side.

2. The upper limb rehabilitation training device after radial artery intervention according to claim 1, characterized in that: The bottom of the placement base is traversed by a horizontal bar on both sides, and both ends of the horizontal bar are threaded. The two side rods of the U-shaped frame are respectively sleeved on the two ends of the horizontal bar and limited by nuts on the outside.

3. The upper limb rehabilitation training device after radial artery intervention according to claim 1, characterized in that: The grip ball includes a ring-shaped handle and multiple finger rings disposed on the handle.

4. The upper limb rehabilitation training device after radial artery intervention according to claim 3, characterized in that: The outer surface of the grip ball ring is covered with massage bumps.

5. The upper limb rehabilitation training device after radial artery intervention according to claim 1, characterized in that: The drive motor is connected to the power supply via a timer.