Bending and stretching device for knee joint fracture rehabilitation training

Abstract

The utility model relates to the technical field of knee joint fracture training auxiliary tools, in particular to a flexion and extension device for knee joint fracture rehabilitation training, which comprises a counterweight bottom plate, a lifting mechanism and a push-pull mechanism, the lifting mechanism is arranged at one end of the top of the counterweight bottom plate, a support unit is arranged on the lifting mechanism, and the push-pull mechanism is arranged on the support unit. The height of the lower limbs of a patient suffering from knee joint fracture is adjusted through the lifting unit, the front-back position of the lower limbs is adjusted through the push-pull mechanism, patients of different heights can conveniently adjust the knee joints to different bending degrees through the rollers for rehabilitation exercise, and it is guaranteed that the adaptation range of the flexion and extension device is wider during use; the lower limb bending and stretching device is simple in structure and convenient to use, the roller can drive the lower limbs to stably bend and stretch to different bending angles, it is guaranteed that a patient can conduct bending and stretching exercise work more comfortably in a labor-saving mode, meanwhile, baffle rings at the two ends of the roller effectively prevent the lower limbs of the patient from sliding off from the roller, unnecessary damage to knee joints is avoided, and the safety of the bending and stretching device in use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to knee fracture training auxiliary tool technical field, specifically speak to a kind of for knee fracture rehabilitation training flexion device. BACKGROUND

[0002] Knee fracture is a kind of more serious injury, intense pain appears after knee fracture, especially at the time of injury, pain is very obvious, patient often cannot carry out normal flexion training operation due to pain and discomfort, therefore, to accelerate patient recovery time, knee fracture patient often needs to help flexion device to carry out rehabilitation training operation.

[0003] However, in real life, the flexion device for the rehabilitation training of knee fracture has small adaptation range and flexibility when used, cannot carry out different degrees of lower limb flexion training for patients of different heights, secondly, the flexion device for the rehabilitation training of knee fracture cannot help patient to carry out flexion rehabilitation training operation more labor-saving when used, and safety is low, easy to cause secondary injury to the knee joint of patient. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a flexion device for the rehabilitation training of knee fracture.

[0005] The utility model provides a flexion device for the rehabilitation training of knee fracture, including counterweight bottom plate, lifting mechanism and push-pull mechanism, lifting mechanism is arranged at one end of counterweight bottom plate top, is provided with support unit on lifting mechanism, is provided with top plate on support unit, the bottom end middle part of top plate is provided with lifting unit, both sides of top plate are provided with side frame, lifting mechanism is arranged at one side of one side frame, is provided with cylinder drum on lifting mechanism.

[0006] Preferably, the lifting mechanism is provided with a bracket, the bracket is in inverted "U" shape structure, the bottom of the lifting unit is provided with a first hydraulic cylinder, the top of the first hydraulic cylinder is connected with a first hydraulic rod, the top of the first hydraulic rod is connected with the top plate by bolts, and the two side frames are symmetrically arranged.

[0007] Preferably, the two ends of the side frame away from the top plate are provided with rollers, the two sides of the inner wall of the bracket are connected with limiting plates by bolts, and the two limiting plates are arranged between the two rollers at the two ends of the two side frames.

[0008] Preferably, the side of the push-pull mechanism close to the side frame is provided with an ear plate, the ear plate is welded with the side frame, the top of the ear plate is connected with a second hydraulic cylinder by bolts, one end of the second hydraulic cylinder away from the side frame is connected with a second hydraulic rod, and the cylinder drum is arranged between the two side frames away from the top plate.

[0009] Preferably, the second hydraulic rod is provided with a motor at one end, and the motor is movably connected with the roller through a rotating shaft.

[0010] Preferably, the roller is in a cylindrical structure, and gaskets are arranged on the outer wall of the roller, and a stop ring is welded at each end of the roller.

[0011] The utility model discloses the beneficial effect that:

[0012] (1) the first hydraulic cylinder on the lifting unit drives the support unit on the top of the first hydraulic rod to move up and down, adjusts the height of the roller on the push-pull mechanism, is convenient for adjusting the knee joint of the patient to different heights and carries out stretching exercise, and the second hydraulic cylinder on the push-pull mechanism drives the second hydraulic rod to move back and forth, is convenient for the patient to adjust the knee joint to different bending degrees and carries out rehabilitation exercise, is favorable to the rehabilitation training operation of the patient according to the rehabilitation time gradually, and simultaneously, the mutual cooperation operation between the lifting mechanism and the push-pull mechanism is favorable to the rehabilitation exercise of the knee joint fracture patient of different heights through the flexion and extension device, guarantees that the adaptation range of the flexion and extension device is wider when using.

[0013] (2) the motor is driven to rotate the roller, is favorable to the stable flexion and extension of the lower limbs to different angle bending angles driven by the roller, guarantees that the patient carries out the flexion and extension exercise operation more labor-saving, and the first hydraulic cylinder drives the first hydraulic rod to adjust the height of the lower limbs of the knee joint fracture patient and the second hydraulic cylinder drives the second hydraulic rod to adjust the front and back positions of the lower limbs, is favorable to the lower limbs of the knee joint patient and the gasket on the roller more closely, is favorable to the patient more comfortable flexion and extension rehabilitation exercise operation, and simultaneously, the stop ring is arranged at both ends of the roller, avoids the knee joint fracture patient from falling off from the roller when carrying out the lower limbs rehabilitation exercise, thereby avoiding unnecessary damage to the knee joint, and the safety of the flexion and extension device when using is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further illustrated in connection with the drawings and examples.

[0015] Figure 1 A kind of preferable embodiment overall structure schematic view of the flexion and extension device for knee joint fracture rehabilitation training provided by the utility model is shown.

[0016] Figure 2 The structure schematic view of the lifting mechanism of the utility model is shown.

[0017] Figure 3 The structure schematic view of the lifting mechanism of the utility model is shown.

[0018] Figure 4 The structure schematic view of the support unit of the utility model is shown.

[0019] Figure 5 It is a structure schematic view of the push-pull mechanism.

[0020] In the figure: 1, counterweight bottom plate; 2, lifting mechanism; 201, support; 202, lifting unit; 2021, first hydraulic cylinder; 2022, first hydraulic rod; 203, support unit; 2031, top plate; 2032, side frame; 2033, roller; 204, limiting plate; 3, push-pull mechanism; 301, ear plate; 302, second hydraulic cylinder; 303, second hydraulic rod; 304, motor; 305, roller; 306, gasket; 307, blocking ring. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] As Figures 1-5 shown, the utility model relates to a kind of flexion and extension devices for knee fracture rehabilitation training, including counterweight bottom plate 1, lifting mechanism 2 and push-pull mechanism 3, lifting mechanism 2 is set in counterweight bottom plate 1 top one end, guarantee the overall stability of the flexion and extension device is higher, lifting mechanism 2 is provided with support unit 203, support unit 203 is provided with top plate 2031, the bottom end middle part of top plate 2031 is provided with lifting unit 202, both sides of top plate 2031 are provided with side frame 2032, lifting mechanism 2 is set in one side of one side frame 2032, lifting mechanism 2 is provided with roller 305, roller 305 plays the support effect to the lower limbs of knee fracture patient.

[0023] Lifting mechanism 2 is provided with support 201, support 201 bottom is connected with the top of counterweight bottom plate 1 by bolt, support 201 is inverted "U" shape structure, lifting unit 202 bottom is provided with first hydraulic cylinder 2021, first hydraulic cylinder 2021 bottom is connected with the top of counterweight bottom plate 1 by bolt, first hydraulic cylinder 2021 top is matched with first hydraulic rod 2022, first hydraulic rod 2022 top is connected with top plate 2031 by bolt, both sides side frame 2032 are symmetrically arranged, first hydraulic cylinder 2021 on lifting unit 202 drives support unit 203 on the top of first hydraulic rod 2022 to move up and down, the height of roller 305 on push-pull mechanism 3 is adjusted, and it is convenient to adjust the knee joint of patient to different height and carry out stretching exercise.

[0024] The two ends of the side frame 2032 away from the top plate 2031 are stacked with rollers 2033, the two sides of the inner side wall of the support 201 are connected with limiting plates 204 through bolts, the two limiting plates 204 are arranged between the two rollers 2033 at the two ends of the two side frames 2032 respectively, the knee joint of the patient on the roller 305 is more stable when moving up and down, which is beneficial to the flexion and extension rehabilitation exercise of the patient.

[0025] The side close to the push-pull mechanism 3 of the side frame 2032 is provided with an ear plate 301, the ear plate 301 is welded with the side frame 2032, the top of the ear plate 301 is connected with a second hydraulic cylinder 302 through a bolt, one end of the second hydraulic cylinder 302 away from the side frame 2032 is connected with a second hydraulic rod 303 in a matched mode, the roller 305 is arranged between the two side frames 2032 away from the top plate 2031, the second hydraulic rod 303 is driven by the second hydraulic cylinder 302 on the push-pull mechanism 3 to move forward and backward, which is convenient for the patient to adjust the knee joint to different bending degrees by using the roller 305 for rehabilitation exercise, and is beneficial to the rehabilitation exercise of the knee joint fracture patients with different heights by the flexion and extension device, so that the adaptation range of the flexion and extension device is wider when used.

[0026] One end of the second hydraulic rod 303 is provided with a motor 304, one end of the motor 304 is movably connected with the roller 305 through a rotating shaft, the roller 305 is driven to rotate by the motor 304, which is beneficial to the stable flexion and extension of the lower limbs to different angles by the roller 305, so that the patient can perform the flexion and extension exercise more labor-saving.

[0027] The roller 305 is in a cylindrical structure, the outer side wall of the roller 305 is provided with a gasket 306, and the two ends of the roller 305 are welded with a stop ring 307, the lower limbs on the roller 305 are driven to move by the motor 304, the height of the lower limbs of the knee joint fracture patient is adjusted by the first hydraulic rod 2022 driven by the first hydraulic cylinder 2021, and the front and rear positions of the lower limbs are adjusted by the second hydraulic rod 303 driven by the second hydraulic cylinder 302, which is beneficial to the closer contact of the lower limbs of the knee joint patient with the gasket 306 on the roller 305, and is beneficial to the more comfortable flexion and extension rehabilitation exercise of the patient, meanwhile, the stop ring 307 is arranged at the two ends of the roller 305, which avoids the knee joint fracture patient from sliding off the roller 305 during the rehabilitation exercise of the lower limbs, thereby avoiding unnecessary damage to the knee joint, and improving the safety of the flexion and extension device when used.

[0028] In use, first, the flexion and extension device is placed at one end of the lower limbs of the patient, the support unit 203 on the top of the first hydraulic rod 2022 is driven by the first hydraulic cylinder 2021 on the lifting unit 202 to move up and down, the height of the drum 305 on the push-pull mechanism 3 is adjusted, the lower limbs of the patient with knee fracture are placed on the drum 305, so that the knee joint of the patient is adjusted to different heights for stretching and stretching exercise;

[0029] Then, the motor 304 is started, the motor 304 drives the drum 305 to rotate, which is beneficial to the lower limbs of the patient with knee joint contacting the gasket 306 on the drum 305 more closely, is beneficial to the lower limbs of the patient with knee joint to be flexed and extended to different bending angles stably, is beneficial to the patient to perform flexion and extension rehabilitation exercise more comfortably, avoids unnecessary damage to the knee joint, and improves the safety of the flexion and extension device in use.

[0030] Finally, the second hydraulic rod 303 is driven by the second hydraulic cylinder 302 on the push-pull mechanism 3 to move forward and backward, so that the patient adjusts the knee joint to different bending degrees for rehabilitation exercise by using the drum 305, which is beneficial to the patient to perform rehabilitation training work gradually according to the rehabilitation time, is beneficial to the patients with knee fracture of different heights to perform rehabilitation exercise by using the flexion and extension device, and ensures that the flexion and extension device has a wider adaptation range in use.

[0031] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flexion-extension device for knee fracture rehabilitation training, characterized in that: It includes a counterweight base plate (1), a lifting mechanism (2) and a push-pull mechanism (3). The lifting mechanism (2) is located at one end of the top of the counterweight base plate (1). A support unit (203) is provided on the lifting mechanism (2). A top plate (2031) is provided on the support unit (203). A lifting unit (202) is provided at the middle of the bottom end of the top plate (2031). Side frames (2032) are provided on both sides of the top plate (2031). The lifting mechanism (2) is located on one side of one of the side frames (2032). A roller (305) is provided on the lifting mechanism (2).

2. The flexion-extension device for knee fracture rehabilitation training according to claim 1, characterized in that: The lifting mechanism (2) is equipped with a bracket (201), which has an inverted "U" shape. The bottom of the lifting unit (202) is equipped with a first hydraulic cylinder (2021), and the top of the first hydraulic cylinder (2021) is connected to a first hydraulic rod (2022). The top of the first hydraulic rod (2022) is connected to the top plate (2031) by bolts. The two side frames (2032) are symmetrically arranged.

3. The flexion-extension device for knee fracture rehabilitation training according to claim 2, characterized in that: Rollers (2033) are stacked at both ends of the side frame (2032) away from the top plate (2031). Limiting plates (204) are bolted to both sides of the inner wall of the bracket (201). The two limiting plates (204) are respectively set between the two rollers (2033) at both ends of the two side frames (2032).

4. The flexion-extension device for knee fracture rehabilitation training according to claim 1, characterized in that: An ear plate (301) is provided on one side of the push-pull mechanism (3) near the side frame (2032). The ear plate (301) is welded to the side frame (2032). A second hydraulic cylinder (302) is bolted to the top of the ear plate (301). A second hydraulic rod (303) is connected to one end of the second hydraulic cylinder (302) away from the side frame (2032). A roller (305) is set between the two side frames (2032) away from the top plate (2031).

5. The flexion-extension device for knee fracture rehabilitation training according to claim 4, characterized in that: The second hydraulic rod (303) has a motor (304) installed at one end, and the other end of the motor (304) is movably connected to the roller (305) through a rotating shaft.

6. The flexion-extension device for knee fracture rehabilitation training according to claim 5, characterized in that: The roller (305) has a cylindrical structure. Gaskets (306) are provided on the outer side wall of the roller (305), and retaining rings (307) are welded to both ends of the roller (305).

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