CN113082623A

CN113082623A - Knee joint rehabilitation training device

Info

Publication number: CN113082623A
Application number: CN202110355847.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-07-09
Anticipated expiration: 2041-04-01
Also published as: CN113082623B

Abstract

The invention provides a knee joint rehabilitation therapy trainer, which comprises a main rod extending leftwards and rightwards, wherein two ends of the main rod are provided with auxiliary rods, the auxiliary rods are hollow rods, a lifting block is arranged at the joint of the main rod and the auxiliary rods, the lifting block is penetrated by a guide rod extending upwards and downwards, the lower end of the guide rod is provided with a fixed rod for the rotatable connection of the guide rod, the fixed rod extends leftwards and rightwards, one end of the fixed rod is positioned below the main rod, the other end of the fixed rod is positioned below the auxiliary rods, one end of the fixed rod positioned below the main rod is provided with pedals, one end of the fixed rod positioned below the auxiliary rods is connected with a first tension spring arranged in the auxiliary rods and extending out of an opening arranged on the auxiliary rods, the main rod is also provided with a pull rod positioned above the pedals, the pull rod extends upwards and the end part of the pull rod is provided with a handle, the upper end part of the guide rod, the first tension spring and the second tension spring are tensioned.

Description

Knee joint rehabilitation training device

Technical Field

The invention relates to the technical field of rehabilitation treatment equipment, in particular to a knee joint rehabilitation treatment trainer.

Background

After undergoing knee surgery, a lengthy recovery period is required to gradually restore the knee of a rehabilitated patient to a healthy state. But also during this period, a certain amount of rehabilitation training with proper strength is required, thereby shortening the period of recovering health. However, since the patient is still in the convalescent period, the training intensity that the convalescent patient can perform should be less than that of the usual training. For example, a squat motion is a training motion that helps the knee to recover, but a full squat motion is not desirable because the rehabilitated patient is still in recovery. Therefore, it is necessary to develop a knee joint rehabilitation training device to assist the rehabilitation patients to complete more targeted squatting actions in the recovery period.

Disclosure of Invention

The invention aims to solve the technical problem of providing a knee joint rehabilitation therapy trainer which can assist a rehabilitation patient to complete squatting actions and has proper strength.

The technical scheme of the invention is that the knee joint rehabilitation therapy trainer comprises a main rod extending leftwards and rightwards, wherein two ends of the main rod are provided with auxiliary rods, the auxiliary rods are hollow rods, a lifting block is arranged at the joint of the main rod and the auxiliary rods and is penetrated by guide rods extending upwards and downwards, the lower ends of the guide rods are provided with fixed rods for the guide rods to be rotatably connected, the fixed rods extend leftwards and rightwards, one end of each fixed rod is positioned below the main rod, the other end of each fixed rod is positioned below the auxiliary rod, one end of each fixed rod positioned below the main rod is provided with a pedal, one end of each fixed rod positioned below the auxiliary rod is provided with a first tension spring which is arranged in the auxiliary rod and extends out of an opening on the auxiliary rod, the main rod is also provided with a pull rod positioned above the pedal, the pull rod extends upwards, the end part of each pull rod is provided with a handle, and the, when a rehabilitation patient gets up from a semi-squatting state by hanging the shoulder on the shoulder and stepping the foot on the pedal and pulling the handle with hands, the first tension spring and the second tension spring are stretched. Be equipped with in the mobile jib and be located the rings of opening part, the spring silk of first extension spring is followed rings pass, first extension spring is still connected and is established circle in the bearing of auxiliary rod tip, the outer lane of bearing is relative the auxiliary rod is fixed, first extension spring receives tensile process when being pulled out rings so that the inner circle of bearing rotates, circle in the bearing still is equipped with the swing handle, be equipped with on the swing handle to the detection head that stretches out in outer lane one side of bearing, be equipped with the count sensor on the outer lane of bearing, still be equipped with on the mobile jib and be located down lamp between the pull rod works as the count sensor detects when the number of times of detecting the head is greater than the setting value, down lamp scintillation.

Compared with the prior art, the knee joint rehabilitation therapy trainer has the beneficial effect that a rehabilitation patient can do the semi-squatting up training action through the knee joint rehabilitation therapy trainer. Mainly be recovered patient from half the state of squatting when rising, stretched first extension spring and second extension spring to obtain the training. And in order to control the intensity of training, when being pulled out certain length, first extension spring promptly through down lamp scintillation suggestion. Specifically, because the spring wire of first extension spring passes from rings, so the bearing inner race that drives the connection at first extension spring tip when being pulled out rotates, and count sensor record bearing inner race pivoted number of turns and finally control down lamp scintillation.

Drawings

Fig. 1 is a first view of a knee joint rehabilitation therapy training device provided by an embodiment of the invention;

FIG. 2 is a second view of the knee rehabilitation training device according to the embodiment of the present invention;

FIG. 3 is a first enlarged partial view of the knee rehabilitation therapy trainer provided in FIG. 1;

fig. 4 is a second partial enlarged view of the knee joint rehabilitation therapy training device provided in fig. 1.

In the figure: 1. a main rod; 2. an auxiliary rod; 3. lifting the block; 4. a guide bar; 5. fixing the rod; 6. pedaling; 7. an opening; 8. a first tension spring; 9. a pull rod; 10. a handle; 11. a second tension spring; 12. hanging on the shoulder; 13. a hoisting ring; 14. a bearing; 15. turning a handle; 16. a detection head; 17. a counting sensor; 18. a down lamp; 19. a round plug; 20. a return motor; 21. a foot groove; 22. three-way rotating sleeve; 23. a through groove.

Detailed Description

The foregoing and additional embodiments and advantages of the present invention are described more fully hereinafter with reference to 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 knee joint rehabilitation therapy trainer provided by the embodiment comprises a main rod 1 extending left and right, two ends of the main rod 1 are provided with auxiliary rods 2, the auxiliary rods 2 are hollow rods, a lifting block 3 is arranged at the joint of the main rod 1 and the auxiliary rods 2, the lifting block 3 is penetrated by a guide rod 4 extending up and down, the lower end of the guide rod 4 is provided with a fixed rod 5 for the guide rod 4 to be rotatably connected, the fixed rod 5 extends left and right, one end of the fixed rod 5 is positioned below the main rod 1, the other end of the fixed rod 5 is positioned below the auxiliary rod 2, one end of the fixed rod 5 positioned below the main rod 1 is provided with a pedal 6, one end of the fixed rod 5 positioned below the auxiliary rod 2 is connected with a first tension spring 8 which is arranged in the auxiliary rod 2 and extends out of an opening 7 arranged on the auxiliary rod 2, the main rod 1 is also provided with a pull rod 9 positioned above the pedal 6, the pull rod 9 extends upwards, when a rehabilitation patient gets up from a semi-squatting state with the shoulder hook 12 hung on the shoulder, the pedal 6 stepped on by the foot and the handle 10 pulled by the hand, the first tension spring 8 and the second tension spring 11 are stretched. The main rod 1 is internally provided with a hanging ring 13 positioned at the opening 7, a spring wire of a first tension spring 8 penetrates through the hanging ring 13, the first tension spring 8 is further connected to an inner ring of a bearing 14 arranged at the end part of the auxiliary rod 2, an outer ring of the bearing 14 is fixed relative to the auxiliary rod 2, the first tension spring 8 passes through the hanging ring 13 when being pulled out, so that the inner ring of the bearing 14 rotates, the inner ring of the bearing 14 is further provided with a rotating handle 15, the rotating handle 15 is provided with a detection head 16 extending towards one side of the outer ring of the bearing 14, the outer ring of the bearing 14 is provided with a counting sensor 17, the main rod 1 is further provided with a down lamp 18 positioned between the pull rods 9, and when the counting sensor 17 detects that the number of times.

In the embodiment, the knee joint rehabilitation therapy trainer enables a rehabilitation patient to do a training action of half-squatting and rising. Mainly be recovered patient from half the state of squatting when rising, stretched first extension spring 8 and second extension spring 11 to obtain the training. When in use, the shoulder hanger 12 is hung on the shoulder of a rehabilitation patient, and the rehabilitation patient steps on the pedal 6 and pulls the handle 10 with hands. Since the pull rod 9 itself is extended upward, the hand pulling handle 10 of the rehabilitation patient only needs to be half squat. Because different rehabilitation patients have different sizes, the training intensity of different individuals from half squatting to rising is different. In order to control the training intensity, when the first tension spring 8 is pulled out for a certain length, the down lamp 18 flickers for prompting, so that the training device can be guaranteed to correspond to different individuals and can accept training with a certain intensity. Specifically, because the spring wire of the first tension spring 8 passes through the hanging ring 13, when the spring wire is pulled out, the inner ring of the bearing 14 connected to the end part of the first tension spring 8 is driven to rotate, the counting sensor 17 records the number of turns of the inner ring of the bearing 14 and finally controls the down lamp 18 to flicker. That means that if the rehabilitated individual is large, one training session can be completed without the need to get up completely.

In one embodiment, as shown in FIG. 4.

In the knee joint rehabilitation therapy training device provided by the embodiment, the end part of the rotating handle 15 is provided with the round plug 19, and the rotating handle 15 is fixed on the inner ring of the bearing 14 through the round plug 19.

In the present embodiment, the knob 15 is fixed by providing the round plug 19 so as to be inserted into the inner race of the bearing 14. The inner ring of the bearing 14 can rotate to drive the round plug 19 and the rotary handle 15 to rotate synchronously.

In one embodiment, as shown in FIG. 4.

According to the knee joint rehabilitation therapy training device provided by the embodiment, the auxiliary rod 2 is further internally provided with the return motor 20, the rotating shaft of the return motor 20 is connected to the round plug 19, and the return motor 20 drives the inner ring of the bearing 14 to rotate in the reverse direction after the down lamp 18 flickers, so that the first tension spring 8 is retracted into the auxiliary rod 2.

In this embodiment, each time a training action is completed, the first tension spring 8 pulled out needs to be returned to provide the requirement for pulling up the next action. Therefore, after the down lamp 18 flickers, the return motor 20 starts to work to drive the inner ring of the bearing 14 to rotate reversely, wherein the reverse rotation refers to the reverse rotation direction of the inner ring of the bearing 14 when the first tension spring 8 is pulled out. Thereby retracting the first tension spring 8 into the sub-lever 2.

In one embodiment, as shown in FIG. 2.

In the knee joint rehabilitation therapy training device provided by the embodiment, the foot pedal 6 is provided with the foot groove 21. In the present embodiment, the foot well 21 provided on the foothold 6 makes the rehabilitation patient stand stably when doing the training exercise.

In one embodiment, as shown in FIG. 2.

The knee joint rehabilitation therapy training device provided by the embodiment is characterized in that the fixing rod 5 is provided with the three-way rotating sleeve 22, the fixing rod 5 can rotate relative to the three-way rotating sleeve 22, the fixing rod 5 is arranged at the lower end of the guide rod 4 through the three-way rotating sleeve 22, the lifting block 3 is provided with the through groove 23 with the caliber larger than the outer diameter of the guide rod 4, and the through groove 23 provides a space for the guide rod 4 to rotate relative to the three-way rotating sleeve 22.

In the present embodiment, the guide rod 4 has a space for rotation by providing the through groove 23 with a larger diameter, because the rehabilitation patient does not move up and down purely when doing the training action, and the through groove 23 is combined with the actions of inclining forward and inclining backward, etc., the rehabilitation patient can be separated from the constraint of being straight up and down, thereby improving the training comfort. In another embodiment, the shoulder 12 is "V" shaped and resilient. Thus, the shoulder hanger 12 can be clipped on the shoulder of the rehabilitation patient to prevent falling off in the training process.

The above-described embodiments further explain the object, technical means, 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 knee joint rehabilitation therapy trainer is characterized by comprising a main rod (1) extending leftwards and rightwards, wherein auxiliary rods (2) are arranged at two ends of the main rod (1), the auxiliary rods (2) are hollow rods, a lifting block (3) is arranged at the joint of the main rod (1) and the auxiliary rods (2), the lifting block (3) is penetrated through by guide rods (4) extending from top to bottom, a fixing rod (5) for the guide rods (4) to be rotatably connected is arranged at the lower end of each guide rod (4), the fixing rod (5) extends leftwards and rightwards, one end of the fixing rod is located below the main rod (1), the other end of the fixing rod is located below the auxiliary rods (2), one end of the fixing rod (5) located below the main rod (1) is provided with a pedal (6), one end of the fixing rod below the auxiliary rods (2) is provided with a first tension spring (8) extending out of an opening (7) formed in the auxiliary rods (2), the main rod (1) is further provided with a pull rod (9) located above the pedals (6), the pull rod (9) extends upwards, a handle (10) is arranged at the end of the pull rod (9), the upper end of the guide rod (4) is connected with a shoulder hanger (12) through a second tension spring (11), and when a rehabilitation patient hangs the shoulder hanger (12), steps on the pedals (6) with feet, and lifts up from a half-squatting state with the handle (10) pulled with hands, the first tension spring (8) and the second tension spring (11) are stretched;

be equipped with rings (13) that are located opening (7) department in mobile jib (1), the spring silk of first extension spring (8) is followed rings (13) passes, first extension spring (8) are still connected and are established on the inner race of bearing (14) of auxiliary rod (2) tip, the outer lane of bearing (14) is relative auxiliary rod (2) are fixed, first extension spring (8) receive tensile when being pulled out through rings (13) so that the inner circle of bearing (14) rotates, still be equipped with swing handle (15) on the inner circle of bearing (14), be equipped with on swing handle (15) to detection head (16) that the outer lane one side of bearing (14) stretches out, be equipped with count sensor (17) on the outer lane of bearing (14), still be equipped with on mobile jib (1) and be located down lamp (18) between pull rod (9), when count sensor (17) detected the number of times that detects head (16) is greater than the setting value, the down lamp (18) flashes.

2. The knee joint rehabilitation therapy training device according to claim 1, characterized in that the end of the rotating handle (15) is provided with a round plug (19), and the rotating handle (15) is fixed on the inner ring of the bearing (14) through the round plug (19).

3. The knee joint rehabilitation therapy training device according to claim 2, wherein a return motor (20) is further arranged in the auxiliary rod (2), a rotating shaft of the return motor (20) is connected to the round plug (19), and the return motor (20) drives an inner ring of the bearing (14) to rotate in the opposite direction after the down lamp (18) flickers, so that the first tension spring (8) is retracted into the auxiliary rod (2).

4. The knee joint rehabilitation therapy training device according to claim 1, wherein the footrests (6) are provided with foot grooves (21).

5. The knee joint rehabilitation therapy training device according to claim 1, wherein a three-way rotating sleeve (22) is arranged on the fixing rod (5), the fixing rod (5) can rotate relative to the three-way rotating sleeve (22), the fixing rod (5) is arranged at the lower end of the guide rod (4) through the three-way rotating sleeve (22), a through groove (23) with the caliber larger than the outer diameter of the guide rod (4) is formed in the lifting block (3), and the through groove (23) provides a space for the guide rod (4) to rotate relative to the three-way rotating sleeve (22).

6. The knee rehabilitation therapy training device according to claim 5, wherein the through slot (23) is a kidney-shaped through slot (23).

7. The knee rehabilitation therapy training device according to claim 1, wherein the shoulder hanger (12) is V-shaped and elastic.