CN210698185U - Knee joint function rehabilitation training device - Google Patents

Abstract

The utility model relates to a knee joint function rehabilitation training device, which comprises a thigh baffle, a base, a supporting and adjusting rod, an anti-skid bottom plate and a traction mechanism; a central shaft is arranged at the joint of the thigh baffle and the base, and the thigh baffle is hinged with the base; two sides of the base are provided with sliding chutes; one end of the supporting and adjusting rod is fixed on the thigh baffle, and the other end of the supporting and adjusting rod is connected to the sliding chute in a sliding manner; a limiting locking hole is also formed in the length direction of the sliding groove; the far end and the near end of the base are both provided with anti-skid bottom plates; thigh restraint belts are arranged at the far end and the near end of the thigh baffle; the rehabilitation training device is provided with a traction mechanism. Its advantages are: be used for the early middle period function rehabilitation of postoperative, muscle strength training, straight leg is raised, and knee joint stretches the bucking function training auxiliary device, relies on patient self action of gravity to increase knee joint bucking angle, alleviates the patient and ache, alleviates medical personnel's physical burden.

Description

A knee joint functional rehabilitation training device

technical field

The utility model relates to the technical field of medical equipment, in particular to a knee joint function rehabilitation training device.

Background technique

Knee-related surgery requires a stage of rehabilitation training, which is to prevent joint stiffness, muscle atrophy, and adhesions at various tissue levels through rehabilitation exercises, while gradually increasing the patient’s joint mobility, improving and correcting the patient’s long-term disease caused by Abnormal posture, restore the coordination of daily activities. In such a situation, a rehabilitation training device is needed to help the patient perform the rehabilitation training of the knee joint, which can be trained for the person who has problems with the function of the knee joint, so as to help him restore the function of the knee joint.

However, the rehabilitation training devices in the prior art have the following defects and deficiencies:

In the prior art, the knee joint rehabilitation training device has a single function, cannot integrate muscle strength training, straight leg raising, knee joint extension and flexion function training, etc., and cannot rely on the patient's own gravity to increase the knee joint flexion angle , resulting in poor rehabilitation training effect, strong pain in patients, and increased physical burden on medical staff.

Chinese patent document CN201520817341.8, the application date is 20151021, the patent name is: a kneeling knee joint rehabilitation training device, which discloses a kneeling knee joint rehabilitation training device, including a bottom plate, a support frame, an air pressure top, and a movable seat plate , backrest and inflatable device, the bottom plate has two arc-shaped grooves in the middle; the support frame includes a vertical frame, an upper connecting frame, a lower connecting frame and a linear ball guide rail; the bottom plate is fixed on the linear ball guide rail The air pressure top includes a cylinder, a piston and a three-way valve; the movable seat plate is composed of a seat plate and an adjusting device, and the adjusting device includes a folding rocker, a linear roller guide, a toothed belt, a gear The shaft and the bearing are composed; the backrest is fixed on the vertical frame, and the inflation device is composed of an air duct, an air nozzle, a hand-pressed air cylinder and an air cylinder fixing ring.

The kneeling knee joint rehabilitation training device disclosed in the above patent document has the advantages of humanized design, simple structure, easy operation and low price, and can be suitable for training needs in different rehabilitation stages, especially for knee joint rehabilitation training. However, there is no corresponding disclosure about a technical solution for an auxiliary device for training muscle strength, straight leg raising, and knee extension and flexion function, which relies on the effect of the patient's own gravity to increase the knee flexion angle.

To sum up, there is an urgent need for a rehabilitation training device that facilitates muscle strength training, straight leg raising, knee extension and flexion function training, and relies on the patient's own gravity to increase the knee flexion angle. Rehabilitation training devices have not yet been reported.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a rehabilitation training device that is convenient for muscle strength training, straight leg raising, knee joint extension and flexion function training auxiliary device, and depends on the patient's own gravity to increase the knee joint flexion angle.

For realizing the above-mentioned purpose, the technical scheme that the utility model takes is:

A knee joint function rehabilitation training device, the rehabilitation training device comprises a thigh baffle, a base, a support adjustment rod, an anti-skid bottom plate, and a pulling mechanism; a central axis is provided at the connection between the thigh baffle and the base, and The thigh baffle is hinged with the base; the two sides of the base are provided with chute; one end of the support adjusting rod is fixed on the thigh baffle, and the other end is slidably connected to the chute; The length direction of the groove is also provided with a limit locking hole; the distal end and the proximal end of the base are provided with a non-slip base plate; the distal end and the proximal end of the thigh baffle are provided with thigh restraints; The rehabilitation training device is provided with a pulling mechanism.

As a preferred technical solution, there are three sets of the limit locking holes. When the limit locking holes are matched with the support adjustment rod, the thigh baffle and the base 2 can form angles of 90°, 60° and 30° respectively. distributed.

As a preferred technical solution, the pulling mechanism includes a main belt of the traction belt, an adjustment buckle, a handle, an ankle cover, and a fixed pulley; the main belt of the traction belt is straddling the fixed pulley; the traction belt One end of the main belt is slidably connected to the handle, and the other end is connected to the ankle sleeve; the main belt of the traction belt is provided with an adjustment buckle.

As a preferred technical solution, the support adjustment rod includes a first support rod, a second support rod, and a transverse connection rod; one end of the transverse connection rod is fixed to the first support rod, and the other end of the transverse connection rod is fixed to the second support rod.

As a preferred technical solution, the anti-skid bottom plate is provided with support feet; the support feet are provided with rubber sleeves.

As a preferred technical solution, the thigh restraint belt is in the form of a Velcro.

As a preferred technical solution, the traction belt main belt is made of non-elastic material.

As a preferred technical solution, there are two groups of said thigh restraints.

As a preferred technical solution, the top of the thigh baffle is a concave arc shape.

The utility model has the advantages of:

1. A knee joint functional rehabilitation training device of the present utility model is used for postoperative knee arthroscopy, knee joint resurfacing, knee joint injury, early and mid-stage functional rehabilitation after knee joint fracture surgery, muscle strength training, straight legs Elevation, knee joint extension and flexion function training auxiliary device, relying on the patient's own gravity to increase the knee joint flexion angle, reduce the patient's pain, and reduce the physical burden of medical staff.

2. There is a central axis at the connection between the thigh baffle and the base, and the thigh baffle and the base are hinged together; the effect of this design method is that the thigh baffle can rotate relative to the central axis, which is convenient for straightening and flexing the knee joint Functional training.

3. Equipped with a pulling mechanism, the pulling mechanism is mainly used to assist the straight leg raising, adjust the position, and prevent the injury and pain caused by sudden and severe bending.

Description of drawings

1 is a schematic structural diagram of a knee joint functional rehabilitation training device of the present invention.

Figure 2 is a schematic diagram of the plane structure of the base.

Figure 3 is a schematic diagram of the structure of the pulling mechanism.

Figure 4 is a schematic diagram of the structure of the support adjustment rod.

FIG. 5 is a schematic structural diagram of the knee joint function rehabilitation training device in Embodiment 2. FIG.

Detailed ways

The present utility model will be further described below in conjunction with the embodiments and with reference to the accompanying drawings.

The reference numerals and components involved in the drawings are as follows:

1. Thigh guard 2. Base

21. Chute 22. Limit locking hole

3. Support adjustment rod 31. The first support rod

32. Second support rod 33. Transverse connecting rod

4. Anti-skid bottom plate 41. Support feet

42. Rubber sleeve 5. Pulling mechanism

51. Main belt of traction belt 52. Adjustment buckle

53. Handle 54. Ankle Sleeve

55. Fixed pulley 6. Length adjustment locking screw

7. Center axis 8. Thigh restraint

9. Metal support frame

Example 1

Please refer to FIG. 1 and FIG. 2 . FIG. 1 is a schematic structural diagram of a knee joint function rehabilitation training device of the present invention. Figure 2 is a schematic plan view of the base. A knee joint function rehabilitation training device, the rehabilitation training device includes a thigh baffle 1, a base 2, a support adjustment rod 3, an anti-skid bottom plate 4, and a pulling mechanism 5; the thigh baffle 1 and the base 2 are connected There is a central axis 7 at the place, and the thigh baffle 1 and the base 2 are hinged together; the two sides of the base 2 are provided with chute 21; one end of the support adjustment rod 3 is fixed on the thigh baffle 1 , the other end is slidably connected to the chute 21; the chute 21 is also provided with a limit locking hole 22 in the length direction; the limit locking hole 22 has three groups, when the limit locking hole 211 and the support adjustment When the rod 3 is matched, the thigh baffle 1 and the base 2 can respectively form an angle distribution of 90°, 60° and 30°. The distal end and the proximal end of the described base 2 are provided with an anti-skid bottom plate 4; the distal end and the proximal end of the described thigh baffle 1 are provided with a thigh restraint belt 8; the described thigh restraint belt 8 has two groups in total; The rehabilitation training device is provided with a pulling mechanism 5 .

Please refer to FIG. 3 , which is a schematic structural diagram of the pulling mechanism 5 . The pulling mechanism 5 includes a main traction belt 51, an adjustment buckle 52, a handle 53, an ankle sleeve 54, and a fixed pulley 55; the traction belt main belt 51 straddles the fixed pulley 55; the traction belt One end of the main belt 51 is slidably connected to the handle 53 , and the other end is connected to the ankle sleeve 54 ; the main belt 51 of the traction belt is provided with an adjustment buckle 52 .

Please refer to FIG. 4 , which is a schematic diagram of the structure of the support adjustment rod 3 . The support adjustment rod 3 includes a first support rod 31, a second support rod 32, and a transverse connecting rod 33; one end of the transverse connecting rod 33 is fixed with the first support rod 31, and the other end is fixed with the second support rod 32; The connection between the first support rod 31, the second support rod 32 and the thigh guard 1 should be rotatable, and can be automatically adjusted as the thigh guard 1 is changed from horizontal to vertical.

It should be noted in this example that:

The joint of the thigh baffle 1 and the base 2 is provided with a central axis 7, and the thigh baffle 1 and the base 2 are hinged together; the effect of this design method is: the thigh baffle 1 can be rotated relative to the central axis 7 It is convenient for the knee joint to do extension and flexion function training, relying on the patient's own gravity to increase the knee joint flexion angle, reduce the patient's pain, and reduce the physical burden of the medical staff.

The top of the thigh baffle 1 should be designed in a concave arc shape, and the parts in contact with the human body should be covered with softer materials, such as gel pads, foam pads, and the like.

The support adjusting rod 3 plays a role of adjusting and supporting the thigh baffle 1, with good repeatability and convenient operation.

The connection between the anti-skid bottom plate 4 and the base 2 is provided with a length adjustment locking screw 6; the length adjusting locking screw 6 is convenient for locking the anti-skid base 2, so that the expansion and contraction of the anti-skid base 2 can be adjusted to meet the needs of different thigh lengths. Patients carry out rehabilitation training, which is widely used.

The base 2 is provided with a chute 21, and the chute 21 is designed to provide a sliding track for supporting the adjusting rod 3, which is convenient for smooth sliding.

The base 2 is also provided with an angle marking block 22 in the length direction, and the angle marking block 22 provides a marking function, which is convenient to quickly determine the angle of the thigh baffle 1 .

As a preferred example, the outer surface of the thigh baffle 1 is in an arc shape, and the contour shape of the designed thigh is consistent.

There are also limit locking holes 22 in the length direction of the chute 21; the limit locking holes 22 have three groups. When the limit locking holes 22 cooperate with the support adjustment rod 3, the thigh baffle 1 and the base 2 can be respectively The angle distribution of 90°, 60° and 30° is formed. Under this angle position, the rehabilitation training effect is good.

The pulling mechanism 5 is mainly used to assist the straight leg to raise, adjust the position, and prevent the injury and pain caused by sudden and severe bending.

The pulling mechanism 5 includes a main pulling belt 51 , an adjusting buckle 52 , a handle 53 , an ankle sleeve 54 , and a fixed pulley 55 . Among them, the setting of the adjustment buckle 52 is convenient to adjust the length of the main belt 51 of the traction belt. The fixed pulley 55 pulls the main belt 51 for storage and support. In the use state, the ankle sleeve 54 is fixed on the patient, and can be fixed and applied on the handle 53 by hand, so that straight leg raising training can be realized. There are two ways for the fixed pulley 5 (fixed or suspended) in the traction mechanism 5: 1. The bed frame of the orthopaedic traction bed has its own pulley; 2. A support frame with a pulley device is designed separately.

The lateral support rod includes a first support rod 31 , a second support rod 32 and a lateral connecting rod 33 ; one end of the lateral connecting rod 33 is fixed to the first support rod 31 and the other end is fixed to the second support rod 32 . The effect of this design method is that its stability is increased, and stable adjustment can be achieved. Because if the transverse connecting rod 33 is not used, the stability of the entire support adjusting rod 3 is poor due to uneven force during the adjustment process.

The anti-skid bottom plate 4 is provided with supporting feet 41 ; the supporting feet 41 are provided with rubber sleeves 42 . The supporting effect on the anti-skid bottom plate 4 is realized. Moreover, the support feet 41 are provided with rubber sleeves 42, which have a buffering effect.

The thigh restraint belt 8 is in the form of Velcro. The use of the Velcro structure can quickly fix the patient's thigh, and the fixation is convenient.

The traction belt main belt 51 is made of inelastic material, has certain elasticity, and has good shrinkage. There are two thigh restraints 8 in total. The open type was used to fix the patient's thigh, and the fixation effect was exact.

The utility model relates to a use method of a knee joint function rehabilitation training device:

1. Lay it flat on the patient's bed or sofa. The far end relies on the head of the bed or the wall to block the fixed position. The distance can be adjusted, and then the bolts are locked.

2. The patient's thigh is placed on the thigh baffle 1, the thigh restraint belt 8 is tied, the tightness is appropriate, the active or passive (stretching) is raised, the hip joint is flexed to 90 degrees, and the support adjustment rod 3 is locked.

3. Flex the knee joint, rely on the calf's own gravity, or be protected by a traction belt, and slowly flex to the normal angle or the doctor's request to reach the angle.

4. After the training is completed, adjust the angle of the thigh baffle 1, the adjustable range: 90 degrees-60 degrees-30 degrees-0 degrees, to the horizontal position.

5. If it is necessary to perform quadriceps muscle strength training or lower limb weight-bearing training, it can be carried out with the lower limb weight-bearing training belt to reduce complications such as muscle atrophy and weakening of muscle strength after hip or lower limb surgery.

Example 2

Please refer to FIG. 5 . FIG. 5 is a schematic structural diagram of the knee joint function rehabilitation training device in the second embodiment. The first embodiment is basically the same as the first embodiment, the difference is that a metal support frame is provided in this embodiment, and the metal support frame is equipped with a pulley. Pivot, this is an optional package.

The utility model relates to a knee joint function rehabilitation training device, which is used for postoperative knee arthroscopy, knee joint surface replacement, knee joint injury, early and mid-term functional rehabilitation after knee joint fracture operation, muscle strength training, straight leg raising , the knee joint extension and flexion function training auxiliary device, relying on the patient's own gravity to increase the knee joint flexion angle, reduce the patient's pain, and reduce the physical burden of the medical staff; the connection between the thigh baffle 1 and the base 2 is provided with a central axis 7, And the thigh baffle 1 and the base 2 are hinged together; the effect of this design method is: the thigh baffle 1 can be rotated relative to the central axis 7, which is convenient for the knee joint to perform straightening and flexing function training; The pulling mechanism 5 is mainly used to assist the straight leg raising, adjust the position, and prevent the injury and pain caused by sudden and severe bending.

The above are only the preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, without departing from the principles of the present utility model, several improvements and supplements can also be made. These improvements and supplements are also It should be regarded as the protection scope of the present invention.

Claims (9)

1. a knee joint function rehabilitation training device, is characterized in that, described rehabilitation training device comprises thigh baffle plate, base, support adjustment rod, anti-skid bottom plate, pulling mechanism; The joint of described thigh baffle plate and base There is a central axis, and the thigh baffle is hinged with the base; the two sides of the base are provided with chute; one end of the support adjustment rod is fixed on the thigh baffle, and the other end is slidably connected to the chute The length direction of the chute is also provided with a limit locking hole; the distal end and the proximal end of the base are provided with an anti-skid bottom plate; the distal end and the proximal end of the thigh baffle are provided with a thigh A restraint belt; the rehabilitation training device is provided with a pulling mechanism. 2 . The knee joint function rehabilitation training device according to claim 1 , wherein there are three groups of said limit locking holes. When the limit locking holes cooperate with the support adjustment rod, the thigh baffle and the base 2 can Angle distributions of 90°, 60°, and 30° are formed, respectively. 3 . The knee joint function rehabilitation training device according to claim 1 , wherein the traction mechanism comprises a traction belt main belt, an adjustment buckle, a handle, an ankle sleeve and a fixed pulley; The belt straddles the fixed pulley; one end of the main belt of the traction belt is slidably connected to the handle, and the other end is connected to the ankle sleeve; the main belt of the traction belt is provided with an adjustment buckle. 4 . The knee joint function rehabilitation training device according to claim 1 , wherein the support adjustment rod comprises a first support rod, a second support rod, and a transverse connecting rod; one end of the transverse connecting rod is fixed to the first support rod. 5 . A support rod, the other end of which is fixed with a second support rod. 5 . The knee joint function rehabilitation training device according to claim 1 , wherein the anti-skid bottom plate is provided with support feet; and the support feet are provided with rubber sleeves. 6 . 6 . The knee joint function rehabilitation training device according to claim 1 , wherein the thigh restraint belt is in the form of a Velcro. 7 . 7 . The knee joint function rehabilitation training device according to claim 3 , wherein the main belt of the traction belt is made of inelastic material. 8 . 8 . The knee joint function rehabilitation training device according to claim 1 , wherein there are two groups of the thigh restraint belts. 9 . 9 . The knee joint function rehabilitation training device according to claim 1 , wherein the top of the thigh baffle is a concave arc shape. 10 .

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