Heart rehabilitation training auxiliary equipment for heart failure treatment
By designing cardiac rehabilitation training assistive devices, patients can train by hand-cranking the crank and handle. The rotational resistance can be adjusted through the damping and adjustment mechanisms, which solves the problem that existing devices can only train the legs. This enables rehabilitation training when patients have weak or injured legs, and adapts to the needs of different patients.
Patent Information
- Application Number
- CN202520254124.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Existing cardiac rehabilitation devices can only improve cardiac function by training the patient's legs. They cannot be used if the patient's legs are injured or weak, which limits their use.
A cardiac rehabilitation training aid device was designed, which includes a crank and a handle. Patients can train by hand-cranking the device, and the rotational resistance can be adjusted through a damping mechanism and an adjustment mechanism to meet the needs of different patients.
This invention enables patients to perform cardiac rehabilitation training via hand cranking even when their legs are weak or injured, adapting to the needs of different patients. It provides a new type of device suitable for the medical device field, particularly for cardiac rehabilitation training.
Smart Images

Figure CN223641239U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, specifically to a cardiac rehabilitation training auxiliary device for the treatment of heart failure. Background Technology
[0002] Cardiopulmonary diseases are mainly caused by pulmonary hypertension resulting from bronchial-pulmonary tissue or pulmonary artery vascular lesions. Patients with cardiopulmonary diseases can improve their cardiopulmonary function and promote recovery through rehabilitation methods such as exercise training and breathing exercises.
[0003] Among them, the device for assisting cardiac rehabilitation with announcement number CN217246508U includes a body, a rotating belt, handrails, and an anti-fall component; the anti-fall component includes a fixed ring, a movable ring, a support component, and a rotating component. When the movable ring is opened, the patient stands inside the ring formed by the fixed ring and the movable ring. When the movable ring is closed, the treadmill can be started. If the patient faints during the running process, the fixed ring and the movable ring can support the patient's body and ensure that the patient will not fall, thus ensuring the patient's safety during rehabilitation training.
[0004] However, existing cardiac rehabilitation equipment can only improve the patient's heart function by training the legs. If the patient's legs are injured or weak, the cardiac rehabilitation training equipment cannot be used, which limits its application. Utility Model Content
[0005] In view of the problems existing in the above-mentioned assistive cardiac rehabilitation devices, this utility model is proposed.
[0006] Therefore, the purpose of this utility model is to provide a cardiac rehabilitation training auxiliary device for the treatment of heart failure, which solves the problem that existing cardiac rehabilitation auxiliary devices can only improve the patient's heart function by training the patient's legs. If the patient's legs are injured or weak, the cardiac rehabilitation training device cannot be used, thus having certain limitations in use.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A cardiac rehabilitation training aid for heart failure treatment includes a base with footrests on both sides. A seat cushion is fixedly connected to one end of the base, and a support column is fixedly connected to the other end. A first cavity is formed at the upper end of the support column, and through holes are symmetrically formed on both sides of the first cavity. A crank is rotatably connected inside the two through holes, and handles are rotatably connected to both ends of the crank. A damping mechanism is provided inside the cavity and matches the crank. A second cavity is formed below the first cavity, and an adjustment mechanism is provided inside the second cavity. A fixing mechanism is provided on one side of the support column and matches the adjustment mechanism.
[0009] Preferably, the damping mechanism includes a fixed block, a trapezoidal rod, a baffle, a first spring, and a damping pad. A square hole is formed between the first cavity and the second cavity. The trapezoidal rod is slidably disposed inside the square hole. The fixed block is fixedly connected to the upper end of the trapezoidal rod. An arc-shaped groove is formed on the upper surface of the fixed block. The damping pad is fixedly connected to the inside of the arc-shaped groove and fits against the side wall of the crank. The baffle is fixedly sleeved on the wall of the trapezoidal rod. The first spring is slidably sleeved on the wall of the trapezoidal rod.
[0010] Preferably, the adjusting mechanism includes a screw, a trapezoidal block, and a rotating plate. The screw is rotatably connected to one side of the second cavity. One end of the trapezoidal block has an internal threaded hole. The trapezoidal block is threaded onto the wall of the screw through the internal threaded hole. The inclined surface of the trapezoidal block fits against the inclined surface of the trapezoidal rod. One end of the screw passes through one side of the second cavity. The rotating plate is fixedly connected to the wall of the screw.
[0011] Preferably, the fixing mechanism includes a fixing frame, a plug rod, a stop block, a second spring, and a pull ring. The fixing frame is fixedly connected to one side of the rotating plate. The plug rod is slidably disposed inside the fixing frame. One end of the plug rod passes through one side of the fixing frame and is fixedly connected to the pull ring. The stop block is fixedly sleeved on the rod wall of the plug rod. The second spring is slidably sleeved on the rod wall of the plug rod. A plurality of fixing holes are provided around one side of the support column. The end of the plug rod away from the pull ring passes through one side of the rotating plate and matches each fixing hole.
[0012] Preferably, the sidewall of the fixing block is fitted to the inner wall of the first cavity.
[0013] Preferably, the sidewall of the trapezoidal block is fitted to the inner wall of the second cavity.
[0014] The technical effects and advantages provided by this utility model in the above technical solution are as follows:
[0015] 1. This utility model, through the crank and two handles set above the support column, allows the patient to sit on the seat cushion when using the device. At this time, the foot pedal can be used to assist the patient's rehabilitation training. When the patient's feet are weak or injured, the palms can hold the two handles respectively, thereby using a hand crank to assist the patient's rehabilitation training.
[0016] 2. In this utility model, by rotating the rotating plate, the screw rotates, which in turn causes the trapezoidal block to move and squeeze the trapezoidal rod. Subsequently, the trapezoidal rod moves upward, thereby driving the damping pad to squeeze the crank, so that the crank can generate greater resistance when rotating, making it suitable for different patients. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 For the present utility model Figure 1 A sectional view;
[0020] Figure 3 For the present utility model Figure 2 Enlarged schematic diagram of part A.
[0021] Explanation of reference numerals in the attached figures:
[0022] 1. Base; 2. Foot pedal; 3. Seat cushion; 4. Support column; 5. Crank; 6. Handle; 7. Fixing block; 8. Trapezoidal rod; 9. Baffle; 10. First spring; 11. Damping pad; 12. Screw; 13. Trapezoidal block; 14. Rotating plate; 15. Fixing frame; 16. Insert rod; 17. Stop block; 18. Second spring; 19. Pull ring. Detailed Implementation
[0023] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0024] This utility model discloses a cardiac rehabilitation training auxiliary device for the treatment of heart failure.
[0025] This utility model provides, for example Figure 1-3The cardiac rehabilitation training auxiliary device for heart failure treatment shown includes a base 1, foot pedals 2 on both sides of the base 1, a seat cushion 3 fixedly connected to one end of the base 1, and a support column 4 fixedly connected to the other end of the base 1. A first cavity is opened at the upper end of the support column 4, and through holes are symmetrically opened on both sides of the first cavity. A crank 5 is rotatably connected inside the two through holes. A handle 6 is rotatably connected to both ends of the crank 5. A damping mechanism is set inside the cavity and matches the crank 5. A second cavity is opened below the first cavity and an adjustment mechanism is set inside the second cavity. A fixing mechanism is set on one side of the support column 4 and matches the adjustment mechanism.
[0026] When using the device, the patient first sits on the seat cushion 3. At this time, the foot pedal 2 can be used to assist the patient's rehabilitation training. When the patient's feet are weak or injured, the patient can hold the two handles 6 with their palms and use a hand crank to assist the patient's rehabilitation training.
[0027] To adjust the rotational resistance of crank 5, such as Figure 1-3 As shown, the damping mechanism includes a fixed block 7, a trapezoidal rod 8, a baffle 9, a first spring 10, and a damping pad 11. A square hole is provided between the first cavity and the second cavity. The trapezoidal rod 8 is slidably disposed inside the square hole. The fixed block 7 is fixedly connected to the upper end of the trapezoidal rod 8. An arc groove is provided on the upper surface of the fixed block 7. The damping pad 11 is fixedly connected to the inside of the arc groove and fits against the side wall of the crank 5. The baffle 9 is fixedly sleeved on the rod wall of the trapezoidal rod 8. The first spring 10 is slidably sleeved on the rod wall of the trapezoidal rod 8. The adjusting mechanism includes a screw 12, a trapezoidal block 13, and a rotating plate 14. The screw 12 is rotatably connected to one side of the second cavity. One end of the trapezoidal block 13 is provided with an internal thread hole. The trapezoidal block 13 is threadedly sleeved on the rod wall of the screw 12 through the internal thread hole. The inclined surface of the trapezoidal block 13 fits against the inclined surface of the trapezoidal rod 8. One end of the screw 12 passes through one side of the second cavity. The rotating plate 14 is fixedly connected to the rod wall of the screw 12.
[0028] Rotating the rotating plate 14 causes the screw 12 to rotate, which in turn moves the trapezoidal block 13 and presses against the trapezoidal rod 8. The trapezoidal rod 8 then moves upward, thereby causing the damping pad 11 to press against the crank 5. This allows the crank 5 to generate greater resistance when rotating, making it suitable for different patients. When it is necessary to reduce the resistance, the rotating plate 14 is rotated in the opposite direction. Then, the rebound force of the first spring 10 can be used to push the trapezoidal rod 8 downward to reduce the rotational resistance of the crank 5.
[0029] In order to fix the rotating plate 14 after it rotates, such as Figure 1-3As shown, the fixing mechanism includes a fixing frame 15, a plug rod 16, a stop block 17, a second spring 18, and a pull ring 19. The fixing frame 15 is fixedly connected to one side of the rotating plate 14. The plug rod 16 is slidably disposed inside the fixing frame 15. One end of the plug rod 16 passes through one side of the fixing frame 15 and is fixedly connected to the pull ring 19. The stop block 17 is fixedly sleeved on the rod wall of the plug rod 16. The second spring 18 is slidably sleeved on the rod wall of the plug rod 16. Multiple fixing holes are provided around one side of the support column 4. The end of the plug rod 16 away from the pull ring 19 passes through one side of the rotating plate 14 and matches each fixing hole.
[0030] Pulling the pull ring 19 allows the insertion rod 16 to be moved out of the fixing hole, which then allows the rotating plate 14 to rotate. When it rotates to a specified angle, the pull ring 19 is released, and the rebound force of the second spring 18 allows the insertion rod 16 to be moved into another fixing hole, thus fixing the rotating plate 14 after rotation.
[0031] To prevent the fixed block 7 and trapezoidal block 13 from rotating, such as Figure 2-3 As shown, the side wall of the fixing block 7 is fitted with the inner wall of the first cavity, and the side wall of the trapezoidal block 13 is fitted with the inner wall of the second cavity.
[0032] Because the side wall of the fixing block 7 is in contact with the inner wall of the first cavity, and the side wall of the trapezoidal block 13 is in contact with the inner wall of the second cavity, they can play a limiting role to prevent the fixing block 7 and the trapezoidal block 13 from rotating.
[0033] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A cardiac rehabilitation training assistive device for the treatment of heart failure, comprising a base (1), characterized in that, Foot pedals (2) are provided on both sides of the base (1). A seat cushion (3) is fixedly connected to one end of the base (1). A support column (4) is fixedly connected to the other end of the base (1). A first cavity is provided at the upper end of the support column (4). Through holes are symmetrically provided on both sides of the first cavity. A crank (5) is rotatably connected inside the two through holes. A handle (6) is rotatably connected to both ends of the crank (5). A damping mechanism is provided inside the cavity. The damping mechanism matches the crank (5). A second cavity is provided below the first cavity. An adjustment mechanism is provided inside the second cavity. A fixing mechanism is provided on one side of the support column (4). The fixing mechanism matches the adjustment mechanism.
2. The cardiac rehabilitation training auxiliary device for heart failure treatment according to claim 1, characterized in that, The damping mechanism includes a fixed block (7), a trapezoidal rod (8), a baffle (9), a first spring (10), and a damping pad (11). A square hole is provided between the first cavity and the second cavity. The trapezoidal rod (8) is slidably disposed inside the square hole. The fixed block (7) is fixedly connected to the upper end of the trapezoidal rod (8). An arc groove is provided on the upper surface of the fixed block (7). The damping pad (11) is fixedly connected to the inside of the arc groove and fits against the side wall of the crank (5). The baffle (9) is fixedly sleeved on the wall of the trapezoidal rod (8). The first spring (10) is slidably sleeved on the wall of the trapezoidal rod (8).
3. The cardiac rehabilitation training auxiliary device for heart failure treatment according to claim 1, characterized in that, The adjustment mechanism includes a screw (12), a trapezoidal block (13), and a rotating plate (14). The screw (12) is rotatably connected to one side of the second cavity. One end of the trapezoidal block (13) has an internal thread hole. The trapezoidal block (13) is threaded onto the rod wall of the screw (12) through the internal thread hole. The inclined surface of the trapezoidal block (13) fits against the inclined surface of the trapezoidal rod (8). One end of the screw (12) penetrates one side of the second cavity. The rotating plate (14) is fixedly connected to the rod wall of the screw (12).
4. The cardiac rehabilitation training auxiliary device for heart failure treatment according to claim 1, characterized in that, The fixing mechanism includes a fixing frame (15), a plug rod (16), a stop block (17), a second spring (18), and a pull ring (19). The fixing frame (15) is fixedly connected to one side of the rotating plate (14). The plug rod (16) is slidably disposed inside the fixing frame (15). One end of the plug rod (16) passes through one side of the fixing frame (15) and is fixedly connected to the pull ring (19). The stop block (17) is fixedly sleeved on the rod wall of the plug rod (16). The second spring (18) is slidably sleeved on the rod wall of the plug rod (16). A plurality of fixing holes are provided around one side of the support column (4). The end of the plug rod (16) away from the pull ring (19) passes through one side of the rotating plate (14) and matches each fixing hole.
5. The cardiac rehabilitation training auxiliary device for heart failure treatment according to claim 2, characterized in that, The sidewall of the fixing block (7) is in contact with the inner wall of the first cavity.
6. The cardiac rehabilitation training auxiliary device for heart failure treatment according to claim 3, characterized in that, The sidewall of the trapezoidal block (13) is fitted with the inner wall of the second cavity.
Citation Information
Patent Citations
Device for assisting heart rehabilitation
CN217246508U