CN111150973A

CN111150973A - Knee joint postoperative rehabilitation physical therapy equipment

Info

Publication number: CN111150973A
Application number: CN202010011921.3A
Authority: CN
Inventors: 梅婷婷
Original assignee: Individual
Current assignee: Zhou Meiling
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-05-15
Anticipated expiration: 2040-01-07
Also published as: CN111150973B

Abstract

The invention provides a knee joint postoperative rehabilitation physical therapy device, which comprises a stand column, a movable chair frame hung on the stand column, a limiting rod and a pedal tube, wherein the limiting rod and the pedal tube are arranged on the stand column, the front side of the stand column is provided with a unidirectional tooth surface, the unidirectional tooth surface is provided with a movable column shell, two sides of the movable column shell are provided with unidirectional racks meshed with the unidirectional tooth surface, the back side of the stand column is provided with a mounting plate, the mounting plate is provided with a motor, the motor is in transmission connection with a pair of gear rods meshed with each other on the mounting plate, the mounting plate is also provided with a pair of supporting rods matched with the gear rods to rotate synchronously, the mounting plate is provided with a pair of arc grooves for providing sliding connection and positioning of the supporting rods, the gear rods and the supporting rods are connected with vertically arranged driving rods, the pair of driving rods can ascend and approach each other, when the drive rod is raised, the movable column shell moves upward along the one-way tooth surface.

Description

Knee joint postoperative rehabilitation physical therapy equipment

Technical Field

The invention relates to the technical field of rehabilitation treatment equipment and core components, in particular to a rehabilitation physical therapy device used after a knee joint operation.

Background

The postoperative rehabilitation of the knee joint is divided into two stages, wherein the first stage mainly recovers the functional angle of the joint and exercises the joint movement, and the second stage mainly recovers the muscle strength. Therefore, the patient can be transferred to the community rehabilitation center to carry out rehabilitation training physiotherapy by virtue of the rehabilitation training device in the second stage. At present, an apparatus for training and recovering leg muscles needs a patient to step on a pedal tube to support the self weight, and a very good physiotherapy effect can be achieved. However, many patients actually have different leg lengths, and especially young patients cannot be compared with adult patients and are in the postoperative rehabilitation stage, so that the patients cannot be ignored whether to adapt the device themselves. The pedal tube of the apparatus is mostly fixedly arranged, so that the range of the applicable people is small.

Disclosure of Invention

The invention aims to solve the technical problem of providing a rehabilitation physical therapy instrument used after knee joint operation, which is suitable for people with a larger range.

The invention has the technical scheme that the rehabilitation physical therapy instrument used after the knee joint operation comprises a stand column, a movable chair frame hung and connected on the stand column, a limiting rod and a pedal tube, wherein the limiting rod and the pedal tube are arranged on the stand column; the stand reverse side is equipped with the mounting panel, be equipped with the motor on the mounting panel, motor drive connects a pair of gear pole of meshing each other on the mounting panel, still be equipped with a pair of cooperation on the mounting panel the synchronous pivoted bracing piece of gear pole, set up a pair of providing on the mounting panel the bracing piece slides and connects and the arc wall of location, the gear pole with the actuating lever of connecting vertical setting on the bracing piece, it is a pair of the actuating lever is in the gear pole with can rise under the rotation drive of bracing piece and be close to each other, the actuating lever with be equipped with the stay cord between the pedal pipe and set up movable column shell both sides the stay cord will movable column shell is fixed on the stand, works as when the actuating lever rises, movable column shell along unidirectional tooth face rebound.

Compared with the prior art, the invention has the beneficial effect that the rehabilitation physiotherapy apparatus can be adjusted by a rehabilitation physiotherapy patient after the knee joint operation according to the self condition. The motor rotates to drive the pair of gear rods and the pair of supporting rods to synchronously rotate, so that the driving rods connected to the gear rods and the supporting rods ascend, then the movable column shell is dragged by the pull rope to move upwards along the unidirectional tooth surface, the movable column shell is stably attached to the stand column due to the meshing of the unidirectional rack and the unidirectional tooth surface and the fixation of the pull rope, and therefore the pedal tube is heightened to meet the needs of short-leg patient groups. On the contrary, after the motor rotates reversely to reset the gear rod, the support rod and the drive rod, the movable column shell is manually moved to the original position on the unidirectional tooth surface, so that the pedal tube is lowered to meet the needs of the group of patients with long legs. Therefore, the knee joint postoperative rehabilitation physiotherapy device can be suitable for a large range of people.

Drawings

Fig. 1 is a first axial view of a rehabilitation therapy device used after a knee joint operation according to an embodiment of the present invention;

FIG. 2 is a second axial view of the rehabilitation therapy device for postoperative rehabilitation of knee joint provided in the embodiment of the present invention;

FIG. 3 is a partially enlarged view of the knee joint postoperative rehabilitation physiotherapy apparatus provided in FIG. 2;

FIG. 4 is a partially enlarged view of the knee joint postoperative rehabilitation physiotherapy apparatus provided in FIG. 1;

in the figure: 1. a column; 2. a movable chair frame; 3. a limiting rod; 4. a foot tube; 5. a unidirectional tooth surface; 6. a movable column shell; 7. a unidirectional rack; 8. mounting a plate; 9. a motor; 10. a gear lever; 11. a support bar; 12. an arc-shaped slot; 13. a drive rod; 14. pulling a rope; 15. connecting lugs; 16. a connecting ring; 17. mounting grooves; 18. a long-shaped groove; 19. a movable block; 20. a fixed block; 21. a spring; 22. a first gear; 23. a second gear; 24. a seat cushion; 25. a chair back; 26. a buffer sleeve.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The foregoing and additional embodiments and advantages of the invention are hereinafter more clearly and completely described in connection with the accompanying drawings. It is to be understood that the described embodiments are merely some, and not all, embodiments of the invention.

In one embodiment, as shown in fig. 1-4. The rehabilitation physiotherapy device used after the knee joint operation provided by the embodiment comprises a stand column 1, a movable chair frame 2 hung and connected on the stand column 1, a limiting rod 3 arranged on the stand column 1 and a pedal pipe 4. As shown in fig. 1, when a rehabilitation physiotherapy patient receives rehabilitation training, the feet step on the foot-operated tubes 4 to exert force to swing the movable chair frame 2 laterally and upwardly, thereby supporting the patient's own weight with the legs. When the patient takes the legs, the movable chair frame 2 falls back to lean against the limiting rod 3. In this embodiment, the main improvement of the rehabilitation physical therapy apparatus after knee joint operation lies in that the front of the upright post 1 is provided with a unidirectional tooth surface 5, the unidirectional tooth surface 5 is provided with a movable column shell 6, two sides of the movable column shell 6 are provided with unidirectional racks 7 engaging the unidirectional tooth surface 5, the pedal tube 4 is arranged on the movable column shell 6, and the length of the unidirectional tooth surface 5 is greater than that of the movable column shell 6 so that the movable column shell 6 can be fixed at different heights of the upright post 1. The movable column shell 6 can be stably attached to the column 1 by the engagement of the unidirectional rack 7 and the unidirectional tooth face 5. And the movable column housing 6 is easily restricted from moving downward relative to the column 1 due to the tooth orientation.

As shown in fig. 2-4, the back side of the upright post 1 is provided with a mounting plate 8, in this embodiment, the side where the movable chair frame 2 is located is the front side of the upright post 1, and the other side is the back side of the upright post 1. Be equipped with motor 9 on the mounting panel 8, a pair of gear pole 10 of meshing each other on the mounting panel 8 is connected in the transmission of motor 9, still be equipped with a pair of cooperation gear pole 10 synchronous revolution's bracing piece 11 on the mounting panel 8, set up a pair of arc wall 12 that provides bracing piece 11 and slide and connect and fix a position on the mounting panel 8, gear pole 10 and bracing piece 11 go up the actuating lever 13 of connecting vertical setting, a pair of actuating lever 13 can rise and be close to each other under the rotational drive of gear pole 10 and bracing piece 11, be equipped with stay cord 14 between actuating lever 13 and pedal pipe 4 and set up the stay cord 14 in activity column shell 6 both sides and fix activity column shell 6 on stand 1, when actuating lever 13 rose, activity column shell 6 moved up along unidirectional tooth face 5.

In the present embodiment, the pair of gear levers 10 are engaged with each other, and therefore the pair of gear levers 10 are rotated in two opposite directions by the motor 9. A pair of support rods 11 and a pair of gear rods 10 are arranged in parallel, and the movement of the support rods 11 is positioned through the arc-shaped grooves 12. Since the support lever 11 and the gear lever 10 are connected by the drive lever 13, the support lever 11 and the gear lever 10 rotate in synchronization when the motor 9 rotates. The state corresponding to the drive lever 13 is that the pair of drive levers 13 ascend and approach each other, or descend and move away from each other. When the pair of drive levers 13 are raised, the pulling rope 14 pulls the movable column case 6 from the other side to move upward along the one-way tooth face 5. The movable column shell 6 is stably attached to the upright post 1 due to the meshing of the unidirectional gear rack 7 and the unidirectional gear surface 5 and the fixation of the pull rope 14, so that the pedal tube 4 is heightened to meet the needs of the short-leg patient group. When the pair of driving rods 13 is lowered, the movable column housing 6 is manually moved to the original position on the one-way tooth surface 5, and thus the foot tube 4 is lowered to meet the needs of the long-leg patient group. Therefore, the knee joint postoperative rehabilitation physiotherapy device can be suitable for a large range of people.

In one embodiment, as shown in fig. 3-4. The rehabilitation physiotherapy device used after the knee joint operation provided by the embodiment is characterized in that the driving rod 13 is provided with a connecting lug 15, the pair of connecting lugs 15 are respectively positioned at two sides of the movable column shell 6, the pedal tube 4 is provided with a connecting ring 16 positioned at two sides of the movable column shell 6, and the pull rope 14 is connected between the connecting lug 15 and the connecting ring 16. In the present embodiment, since the pair of drive levers 13 are respectively provided on both sides of the movable column case 6, the engaging lugs 15 provided on the drive levers 13 are respectively located on both sides of the movable column case 6. The pull rope 14 pulls and fixes the movable column shell 6 on the column 1 from both sides, and the pull rope 14 in this embodiment is an elastic rope. The larger the tension length of the pulling rope 14, the larger the force applied to the movable column shell 6, and therefore the movable column shell 6 can be moved upward on the unidirectional tooth face 5 one by one. The corresponding pull cord 14 is also of a specific length when the movable column jacket 6 is fixed.

In one embodiment, as shown in FIG. 3. The rehabilitation physiotherapy equipment of knee joint postoperative that this embodiment provided, 1 reverse side of stand is equipped with mounting groove 17, and mounting panel 8 is fixed in mounting groove 17. In this embodiment, the mounting groove 17 provided on the column 1 provides a snap-fit mounting of the mounting plate 8, so that the components on the mounting plate 8 can stably operate after the mounting plate is mounted. In the figure, the motor 9 is shown at the bottom and a pair of drive rods 13 at the top after installation.

In one embodiment, as shown in FIG. 3. According to the rehabilitation physiotherapy device used after the knee joint operation, the two sides of the supporting rod 11 are respectively provided with the long grooves 18 along the length direction of the supporting rod, the long grooves 18 are internally provided with the movable blocks 19 connected in a sliding mode, the mounting plate 8 is provided with the pair of fixed blocks 20 respectively positioned on the two sides of the supporting rod 11, the springs 21 are arranged between the fixed blocks 20 and the movable blocks 19, when the driving rod 13 ascends, the movable blocks 19 on the two sides slide in the long grooves 18 so as to be opposite to the fixed blocks 20 in the left-right direction, and the pulling length of the springs 21 on the outer side is. In this embodiment, the elongated slot 18 is a dovetail slot, and the movable block 19 is located in the elongated slot 18 and cannot be pulled out. When the driving rod 13 is raised or lowered, the movable block 19 slides in the elongated slot 18 so as to be left-right opposite to the fixed block 20 on the mounting plate 8. However, since the pair of driving levers 13 are moved closer to or farther from each other, the lengths of the both side springs 21 become different after the pair of driving levers 13 are moved away from the initial position. When the driving rod 13 is raised, the springs 21 on the outer side are pulled up by a greater length than the springs 21 on the inner side due to their proximity to each other. Conversely, when the driving rod 13 descends, the springs 21 on the outer side are pulled up by a length smaller than the springs 21 on the inner side due to the mutual distance therebetween. Since it is difficult for the patient to accurately move the movable column housing 6 to the initial position after the position adjustment of the movable column housing 6, thereby affecting other patients to adjust the movable column housing 6. When the patient moves the movable column housing 6 one by one, the spring 21 can be moved to the initial position by distinguishing the length of the spring 21 on both sides of the support bar 11.

In one embodiment, as shown in FIG. 3. The rehabilitation physiotherapy device used after the knee joint operation is provided by the embodiment, the mounting plate 8 is provided with the first gear 22 and the second gear 23 which are meshed with each other, the first gear 22 is connected to the rotating shaft of the motor 9, and the second gear 23 is meshed with one of the gear rods 10. In this embodiment, the motor 9, the first gear 22 and the second gear 23 are all mounted on the mounting plate 8, and the motor 9 directly drives the first gear 22 sleeved on the rotating shaft thereof. Because of the meshing engagement, the second gear 23 is driven by the first gear 22, and the pair of gear bars 10 are simultaneously driven by the second gear 23. In this embodiment, the first gear 22 is not used to directly drive the pair of gear rods 10, but the second gear 23 is used to transition from the first gear to the second gear, so that the assembly on the mounting plate 8 is more flexible, and the specific transmission ratio is also determined by the second gear 23.

In one embodiment, as shown in FIGS. 1-2. The rehabilitation physiotherapy device used after the knee joint operation is provided by the embodiment, the movable chair frame 2 is provided with the chair cushion 24 and the chair back 25, the chair cushion 24 is used for sitting on the hip of a patient, and the chair back 25 is used for leaning on the back of the patient. In this embodiment, the seat cushion 24 and the seat back 25 can be made flexible, making the patient more comfortable to use. The chair cushion 24 and the chair back 25 are directly welded and fixed on the movable chair frame 2, and the flexible materials are attached to the surfaces of the respective metal plates.

In one embodiment, as shown in FIGS. 1-2. The rehabilitation physiotherapy device after knee joint operation that this embodiment provided is equipped with cushion collar 26 on its gag lever post 3, and cushion collar 26 is used for providing the buffering when gag lever post 3 is pressed close to at activity chair frame 2. In this embodiment, when the patient takes the legs to return the movable chair frame 2 to the original position, the limiting rod 3 acts as a limiting function, and the buffer sleeve 26 sleeved on the limiting rod 3 can reduce the accidental impact. For example, when the patient's knees are uncomfortable and the patient's legs are caught, the movable chair frame 2 may collide with the limit rod 3 violently, and the cushion sleeve 26 provided on the limit rod 3 may provide a cushion effect.

The above-mentioned embodiments further describe the objects, technical solutions and advantageous effects of the present invention in detail. It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. It should be understood that any modifications, equivalents, improvements and the like, which come within the spirit and principle of the invention, may occur to those skilled in the art and are intended to be included within the scope of the invention.

Claims

1. The rehabilitation physical therapy instrument used after the knee joint operation comprises a stand column (1), a movable chair frame (2) hung and connected onto the stand column (1), a limiting rod (3) and a pedal pipe (4), wherein the limiting rod and the pedal pipe are arranged on the stand column (1), the front side of the stand column (1) is provided with a unidirectional tooth surface (5), a movable column shell (6) is arranged on the unidirectional tooth surface (5), unidirectional racks (7) meshed with the unidirectional tooth surface (5) are arranged on two sides of the movable column shell (6), the pedal pipe (4) is arranged on the movable column shell (6), and the length of the unidirectional tooth surface (5) is larger than that of the movable column shell (6) so that the movable column shell (6) can be fixed at different heights of the stand column (1);

upright (1) reverse side is equipped with mounting panel (8), be equipped with motor (9) on mounting panel (8), motor (9) transmission is connected a pair of gear pole (10) of meshing each other on mounting panel (8), still be equipped with a pair of cooperation on mounting panel (8) gear pole (10) synchronous pivoted bracing piece (11), set up a pair of providing on mounting panel (8) bracing piece (11) slide connect and the arc wall (12) of location, gear pole (10) with connecting actuating lever (13) of vertical setting on bracing piece (11), it is a pair of actuating lever (13) gear pole (10) with can rise under the rotation drive of bracing piece (11) and be close to each other, actuating lever (13) with be equipped with stay cord (14) between pedal pipe (4) and set up movable column shell (6) both sides stay cord (14) will movable column shell (6) are fixed stand (6) (1) When the driving rod (13) ascends, the movable column shell (6) moves upwards along the one-way tooth surface (5).

2. The physical therapy instrument for postoperative rehabilitation of knee joint according to claim 1, characterized in that the driving rod (13) is provided with a pair of engaging lugs (15), the pair of engaging lugs (15) are respectively located on both sides of the movable column shell (6), the pedal tube (4) is provided with an engaging ring (16) located on both sides of the movable column shell (6), and the pulling rope (14) is connected between the engaging lugs (15) and the engaging ring (16).

3. The physical therapy instrument for postoperative rehabilitation of knee joint according to claim 2, characterized in that the upright (1) is provided with a mounting groove (17) on the reverse side, and the mounting plate (8) is fixed in the mounting groove (17).

4. The physical therapy instrument for postoperative rehabilitation of knee joint according to claim 1, characterized in that the two sides of the support rod (11) are respectively provided with an elongated slot (18) along the length direction thereof, a movable block (19) connected in a sliding manner is arranged in the elongated slot (18), the mounting plate (8) is provided with a pair of fixed blocks (20) respectively positioned at the two sides of the support rod (11), a spring (21) is arranged between the fixed blocks (20) and the movable block (19), when the drive rod (13) ascends, the movable blocks (19) at the two sides slide in the elongated slot (18) to be opposite to the fixed blocks (20) in the left-right direction, and the spring (21) at the outer side is pulled up by a length greater than the spring (21) at the inner side; when the movable column shell (6) is located at the initial position, the springs (21) on the two sides of the supporting rod (11) are the same in length.

5. The physical therapy instrument for postoperative rehabilitation of the knee joint according to claim 4, characterized in that the spring (21) is a tension spring.

6. The physical therapy instrument for postoperative rehabilitation of the knee joint according to claim 1, characterized in that the mounting plate (8) is provided with a first gear (22) and a second gear (23) which are engaged with each other, the first gear (22) is connected to the rotating shaft of the motor (9), and the second gear (23) is engaged with one of the gear rods (10).

7. The physical therapy instrument for postoperative rehabilitation of knee joint according to claim 1, characterized in that the movable chair frame (2) is provided with a chair cushion (24) and a chair back (25), the chair cushion (24) is used for sitting on the buttocks of the patient, and the chair back (25) is used for leaning on the back of the patient.

8. The physical therapy instrument for postoperative rehabilitation of knee joint according to claim 1, characterized in that the limiting rod (3) is provided with a buffer sleeve (26), and the buffer sleeve (26) is used for providing buffer when the movable chair frame (2) is close to the limiting rod (3).