CN215584747U

CN215584747U - Protective device for knee joint

Info

Publication number: CN215584747U
Application number: CN202120446353.XU
Authority: CN
Inventors: 周正凯
Original assignee: Mianzhu Peoples Hospital
Current assignee: Mianzhu Peoples Hospital
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2022-01-21
Anticipated expiration: 2031-03-01

Abstract

The utility model relates to the field of protective devices, in particular to a protective device for knee joints, which comprises a base, a thigh support and a shank support, wherein the thigh support is fixed through a support column and vertically arranged above the base; the output end of the motor is fixedly provided with a driving wheel, and the driving wheel is rotatably provided with a loop bar; a first spring is arranged in the loop bar, one end of the transmission rod is positioned in the loop bar and is mutually connected with the first spring, and a supporting plate is fixedly arranged at the other end of the transmission rod; the supporting plate is fixedly arranged at the bottom of the shank support; a pin penetrates through the sleeve rod and penetrates through the transmission rod; and a locking device is arranged on the driving wheel. This utensil makes in the rehabilitation training process of carrying out the knee joint, can enough satisfy the initial stage of rehabilitation training, uses when the joint is stiff, again can be in the later stage of rehabilitation training, when the patient oneself can carry out the motion of certain range, has fine effect equally.

Description

Protective device for knee joint

Technical Field

The utility model relates to the field of protective devices, in particular to a protective device for a knee joint.

Background

The legs are two of the indispensable limbs of the people, the prevention and the daily care of knee joint diseases are indispensable for the people in general, and the treatment process after injury is more important. At present, the knee joint motion device designed for the rehabilitation training of patients with knee joint injury drives the lower leg part to swing to assist the flexion and extension movement of the knee joint, the motion device can well perform flexion and extension movement training on the knee joint, but the knee joint is lack of massage in the training process, the blood circulation of the knee joint is slow, the blood circulation of the knee joint cannot be well promoted, the blood circulation is promoted, the vein is dredged, the blood circulation is dispersed, the pain of the patients cannot be well relieved, the rehabilitation effect is influenced, and the patients are uncomfortable to use.

An orthopedics knee joint nursing activity ware of patent (CN211705213U) and an orthopedics knee joint nursing activity ware of patent (CN211512550U), do exercises with the later stage to the initial stage among the recovered process respectively, but every person that carries out the knee joint and resume the motion training all needs to carry out the process in two stages, just so needs two platforms utensil, and is both expensive, inconvenient.

In order to solve the above problems, the present invention provides a protective device for a knee joint.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective device for a knee joint, which can meet the requirements of the use in the early stage of the rehabilitation training and the stiff joint in the rehabilitation training process of the knee joint and has good effect when a patient can do exercise with a certain range in the later stage of the rehabilitation training.

In order to achieve the purpose, the utility model provides the following technical scheme:

a protective device for knee joints comprises a base, a thigh support and a shank support, wherein the thigh support is fixed through a support column and is vertically arranged at the top of the base; a motor is arranged in the base;

the output end of the motor is fixedly provided with a driving wheel, and the driving wheel is eccentrically and rotatably connected with a loop bar; one end of the sleeve rod is rotatably connected with the driving wheel, the other end of the sleeve rod is provided with a sliding groove along the length direction of the sleeve rod, one end of the transmission rod is arranged in the sliding groove in a sliding manner, a first spring is connected between the end face, located in the sliding groove, of the transmission rod and the ground of the sliding groove, and the other end of the transmission rod is fixedly provided with a supporting plate; the supporting plate is fixedly arranged at the bottom of the shank support;

a pin penetrates through the sleeve rod and penetrates through the transmission rod;

and a locking device is arranged on the driving wheel.

Further, the locking device is an electric locking device.

Furthermore, soft pads are arranged on the thigh support and the shank support.

Furthermore, the two sides of the top of the thigh support and the two sides of the top of the shank support are both provided with baffles.

Furthermore, the baffle plates on one side of the thigh support and the shank support are provided with binding bands, and the binding bands are provided with buckles matched with the baffle plates on the other side.

Furthermore, a slide rod is arranged at the end, away from the thigh support, of the shank support along the length direction of the shank support, a foot plate is arranged on the slide rod in a sliding mode, a limiting block used for limiting the foot plate is arranged at one end, away from the shank support, of the slide rod, a second spring is sleeved on the slide rod, and the two ends of the second spring are connected with the shank support and the foot plate respectively.

Furthermore, one side of the second spring, which is far away from the transmission rod, is provided with a supporting block connected with the foot plate, and the top of the supporting block is provided with a soft pad.

Compared with the prior art, the utility model has the beneficial effects that:

1. the driving wheel is arranged, after the pin is inserted into the loop bar and the transmission rod, the shank support can move up and down along with the rotation of the output end of the motor, and a patient can not train himself due to the stiffness of the joint during the initial rehabilitation training, so that the patient can be passively carried out, the pain of the patient in the initial rehabilitation stage is greatly relieved, and the leg support is very practical;

2. after taking out loop bar and transfer line with the pin to utilize behind the locking device locking drive wheel, the setting of first spring can play the effect of supporting with kick-back when the patient independently carries out the rehabilitation training, thereby fine alleviating patient's pain reaches better recovered effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

fig. 2 is a left side view of the preferred embodiment of the present invention.

In the figure: 1. a soft cushion; 2. a thigh support; 3. a limiting block; 4. a support pillar; 5. a loop bar; 6. a drive wheel; 7. a locking device; 8. a base; 9. a first spring; 10. a pin; 11. a transmission rod; 12. a foot plate; 13. a second spring; 14. a shank support; 15. a support plate; 16. a rotating shaft; 17. a baffle plate; 18. binding bands; 19. inserting and buckling; 20. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to the following drawings, the present invention provides the following technical solutions:

as shown in fig. 1-2, a protective device for knee joint comprises a base 8, a thigh support 2 and a shank support 14, wherein the thigh support 2 is fixed by a support column 4 and vertically arranged on the top of the base 8, the shank support 14 is rotatably connected with the thigh support 2 by a rotating shaft 16, and the shank support 14 is movably connected with the base 8 by a transmission rod 11; a motor 20 is arranged in the base 8;

a driving wheel 6 is fixedly arranged at the output end of the motor 20, and a loop bar 5 is eccentrically and rotatably connected to the driving wheel 6; one end of the loop bar 5 is rotatably connected with the driving wheel 6, the other end of the loop bar 5 is provided with a sliding groove along the length direction of the loop bar, one end of the transmission bar 11 is arranged in the sliding groove in a sliding manner, a first spring 9 is connected between the end surface of the transmission bar 11 positioned in the sliding groove and the ground of the sliding groove, the first spring 9 is arranged to provide resilience force for later rehabilitation training, and the other end of the transmission bar 11 is fixedly provided with a supporting plate 15; the supporting plate 15 is fixedly arranged at the bottom of the shank support 14;

a pin 10 penetrates through the loop bar 5, and the pin 10 penetrates through the transmission rod 11;

the driving wheel 6 is provided with a locking device 7 for locking the driving wheel 6, and the locking device 7 is of an existing structure and is not described herein again.

Furthermore, locking device 7 is electronic locking device, and electronic locking device can satisfy the patient and use by oneself, and is convenient, simple, swift.

Furthermore, the thigh support 2 and the shank support 14 are both provided with the soft cushion 1, so that the patient can lie on the soft cushion more comfortably.

Furthermore, the thigh support 2 and the shank support 14 are provided with baffles 17 on both sides of the top.

Furthermore, the baffle 17 on one side of the thigh support 2 and the shank support 14 is provided with a bandage 18, and the bandage 18 is provided with a buckle 19 which is matched with the baffle 17 on the other side, so that the knee joint which needs to be rehabilitated and trained by the patient can be conveniently fixed above the device.

Furthermore, a slide rod is arranged at the end part, far away from the thigh support 2, of the shank support 14 along the length direction of the shank support 14, a foot plate 12 is arranged on the slide rod in a sliding mode, a limiting block 3 used for limiting the foot plate 12 is arranged at one end, far away from the shank support 14, of the slide rod, a second spring 13 is sleeved on the slide rod, two ends of the second spring 13 are respectively connected with the shank support 14 and the foot plate 12, and therefore the use of people with different heights can be met.

Furthermore, a supporting block connected with the foot plate 12 is arranged on one side, away from the transmission rod 11, of the second spring 13, and the top of the supporting block is provided with the soft cushion 1, so that a patient can lie on the supporting block more comfortably.

According to the above-mentioned protective device structure, the specific working principle is as follows:

when a patient needs to perform rehabilitation training on the knee joint, firstly, the leg is placed on the instrument, specifically, the thigh is placed on the thigh support 2, the calf is placed on the calf support 14, if the initial training is performed, the pin 10 needs to be inserted into the loop bar 5 and the transmission rod 11 at the moment, the locking device 7 is in an open state, then the power supply of the motor 20 is turned on, the output end of the motor 20 drives the driving wheel 6 to rotate, the driving wheel 6 drives the loop bar 5, the transmission rod 11 and the calf support 14 fixedly arranged on the supporting plate 15 to perform up-and-down reciprocating motion, and the calf support 14 drives the calf of the patient to perform up-and-down reciprocating motion so as to assist the patient to perform the initial rehabilitation training; when the patient need carry out the rehabilitation training in later stage, take out pin 10 from loop bar 5 and transfer line 11 in, let locking device 7 be in the locking state simultaneously, the patient pushes down the shank by oneself, transfer line 11 is at the in-process that pushes down this moment, first spring 9 that will be located loop bar 5 pushes down, later under first spring 9's resilience effect, lift shank support 14 upwards through transfer line 11, so up-and-down motion, can make the patient independently carry out knee joint flexion and extension rehabilitation training in the later stage, promote the blood circulation of knee joint department, thereby fine alleviating patient's pain, reach better rehabilitation effect, no matter which rehabilitation training stage, this utensil all need not personnel's accompanying and attending to, thereby reduce attendant's burden.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A protective device for a knee joint comprises a base (8), a thigh support (2) and a shank support (14), wherein the thigh support (2) is fixed through a support column (4) and vertically arranged at the top of the base (8), the shank support (14) is rotatably connected with the thigh support (2) through a rotating shaft (16), and the shank support (14) is movably connected with the base (8) through a transmission rod (11); a motor (20) is arranged in the base (8);

the method is characterized in that: a driving wheel (6) is fixedly arranged on the output end of the motor (20), and a loop bar (5) is eccentrically and rotatably connected to the driving wheel (6); one end of the sleeve rod (5) is rotatably connected with the driving wheel (6), the other end of the sleeve rod (5) is provided with a sliding groove along the length direction of the sleeve rod, one end of the transmission rod (11) is arranged in the sliding groove in a sliding manner, a first spring (9) is connected between the end face of the transmission rod (11) positioned in the sliding groove and the ground of the sliding groove, and the other end of the transmission rod (11) is fixedly provided with a supporting plate (15); the supporting plate (15) is fixedly arranged at the bottom of the shank support (14);

a pin (10) penetrates through the loop bar (5), and the pin (10) penetrates through the transmission rod (11);

and a locking device (7) is arranged on the driving wheel (6).

2. A protective device for a knee joint according to claim 1, wherein: the locking device (7) is an electric locking device.

3. A protective device for a knee joint according to claim 1, wherein: soft pads (1) are arranged on the thigh support (2) and the shank support (14).

4. A protective device for a knee joint according to claim 1, wherein: and baffles (17) are arranged on two sides of the top of the thigh support (2) and the top of the shank support (14).

5. A protective device for a knee joint according to claim 4, wherein: the thigh support (2) and the shank support (14) are respectively provided with a bandage (18) on the baffle (17) at one side, and the bandage (18) is respectively provided with a plug-in buckle (19) which is matched with the baffle (17) at the other side.

6. A protective device for a knee joint according to claim 1, wherein: the leg support is characterized in that a slide rod is arranged at the end, far away from the thigh support (2), of the lower leg support (14) along the length direction of the lower leg support (14), a foot plate (12) is arranged on the slide rod in a sliding mode, a limiting block (3) used for limiting the foot plate (12) is arranged at one end, far away from the lower leg support (14), of the slide rod, a second spring (13) is sleeved on the slide rod, and the two ends of the second spring (13) are connected with the lower leg support (14) and the foot plate (12) respectively.

7. A protective device for a knee joint according to claim 6, wherein: one side of the second spring (13) far away from the transmission rod (11) is provided with a supporting block connected with the foot plate (12), and the top of the supporting block is provided with a soft pad (1).