CN213788633U - Knee joint rehabilitation assistor - Google Patents

Abstract

The utility model discloses a knee joint rehabilitation assistor places on the chair, include: the chair comprises a seat board, a flexible cushion layer, two movable frames, a rotating shaft and a pedal roller, wherein the seat board is placed on a chair, the flexible cushion layer is arranged on the upper surface of the seat board, the upper surface of the flexible cushion layer is tightly attached to the buttocks of a user, two ends of the movable frames are fixedly installed on two sides of the seat board respectively, two ends of the rotating shaft are fixedly installed on two ends of the movable frames respectively, and the pedal roller is rotatably sleeved on the rotating shaft. Through the application of the utility model, the sole of the patient is placed on the upper part of the foot-operated roller, thereby repeatedly stretching the knee joint and massaging the plantar reflex area; the elastic hanging belt is installed and the instep of the patient is tightly attached to the lower part of the pedal roller, so that the training is further strengthened when the patient lifts the leg, the stability of the knee joint is improved, and the strength of the quadriceps femoris muscle is increased.

Description

Knee joint rehabilitation assistor

Technical Field

The utility model relates to a rehabilitation training apparatus technical field especially relates to a knee joint rehabilitation assistor.

Background

Successful total knee replacement can effectively treat pain caused by knee joint pathological changes, reconstruct joint deformity and improve the life quality of patients. However, the muscle strength of the quadriceps femoris muscle after operation can be reduced due to the trauma of the operation, the muscle strength of the quadriceps femoris muscle is reduced, the joint stability is poor, and the risk of falling after the operation is increased. Therefore, the promotion of the recovery of the muscle strength of the quadriceps femoris muscle after the operation has important significance for the postoperative rehabilitation of patients.

The traditional rehabilitation training method needs a rehabilitation teacher to assist in exercising or uses a passive exercise rehabilitation machine, and is not convenient for rehabilitation treatment after a patient is discharged and returned home. The knee joint rehabilitation instrument is portable, is simple to operate, can adjust the strength according to the self condition of a patient, and can effectively promote the recovery of the muscle strength after operation through scientific and reasonable self training.

SUMMERY OF THE UTILITY MODEL

In view of this, in order to solve the above problem, an object of the present invention is to provide a knee joint rehabilitation assisting device, which is placed on a chair, comprising: the chair comprises a seat board, a flexible cushion layer, two movable frames, a rotating shaft and a pedal roller, wherein the seat board is placed on a chair, the flexible cushion layer is arranged on the upper surface of the seat board, the upper surface of the flexible cushion layer is clung to the buttocks of a user, one ends of the two movable frames are fixedly arranged on the two sides of the seat board respectively, the two ends of the rotating shaft are fixedly arranged on the other ends of the two movable frames respectively, and the pedal roller is rotatably sleeved on the rotating shaft;

wherein, the adjustable shelf includes: first support, rotation piece, second support and installed part, the one end fixed mounting of first support in on one side of bedplate, first support be on a parallel with one side setting of bedplate, the other end of first support deviates from the chair extension sets up, the other end fixed mounting of first support has one rotate the piece, rotate the piece with the one end of second support is rotationally connected, the other end fixed mounting of second support has one the installed part, one side of installed part with axis of rotation fixed connection.

In another preferred embodiment, the second support is a telescopic structure, and the second support comprises: support main part and extension frame, the support main part is the hollow structure setting of rectangular shape, the one end retractable of extension frame install in the support main part, the other end of extension frame with installed part fixed connection.

In another preferred embodiment, still include the elasticity and hang the area, the both sides of elasticity are hung the area and are all equipped with one and hang the knot, the lower surface of first support is equipped with a plurality of first couples, each the opening of first couple all faces away from the one end setting of support main part, the lower surface of second support is equipped with a plurality of second couples, each the opening of second couple all faces away from the one end setting of first support, two hang the knot respectively with one first couple with one the second couple phase-match.

In another preferred embodiment, a plugging rubber head is further arranged at each of the opening of the first hook and the opening of the second hook, one end of the plugging rubber head is fixedly connected with the first hook or the second hook, and the other end of the plugging rubber head abuts against the lower surface of the first support or the lower surface of the support main body.

In another preferred embodiment, a locking mechanism is further arranged at one end of the bracket main body close to the extension frame, and the locking mechanism is used for controlling the extending length of the extension frame.

In another preferred embodiment, the other end of the mounting member opposite to the rotating shaft is further provided with a ground contacting member, and the ground contacting member is operably abutted against the ground.

In another preferred embodiment, the flexible cushion layer is provided with vent grooves arranged in a grid shape.

In another preferred embodiment, the pedal roller is a hollow cylindrical structure, and a plurality of massage bulges are uniformly arranged on the outer wall of the pedal roller.

In another preferred embodiment, the rotating shaft is a hollow round rod-shaped structure, a heating assembly is arranged inside the rotating shaft along the axial direction of the rotating shaft, a control circuit is connected to the heating assembly, and the control circuit penetrates through the mounting part and is connected with an external circuit.

In another preferred embodiment, the lower surface of the seat plate is provided with a plurality of suction cups, and each suction cup is operable to be attached to the surface of the chair.

The utility model discloses owing to adopted above-mentioned technical scheme, make it compare the positive effect that has with prior art to be: through right the utility model discloses an it is right to use, make the patient sit on the flexible bed course, and select suitable length through the regulation to the second support, make the sole place in the upper portion of pedal cylinder and carry out the seesaw that relapses, thereby carry out the stretching motion that relapses to the knee joint, and massage sole reflex zone, treat patient adaptation back, the installation elasticity is hung the area and is made patient's instep hug closely in pedal cylinder's lower part and hug closely, thereby receive certain effort when the patient lifts the leg motion, reach and further strengthen the training, improve the stability of knee joint, increase thigh quadriceps muscle strength.

Drawings

Fig. 1 is a side view of a knee joint rehabilitation aid of the present invention;

fig. 2 is a top view of the knee joint rehabilitation assisting device of the present invention;

fig. 3 is a schematic view of a downward pressing resistance member of the knee joint rehabilitation assisting device of the present invention;

fig. 4 is a schematic view of a flexible elastic rod of the knee joint rehabilitation assisting device of the present invention;

fig. 5 is a schematic view of a telescopic cylinder of the knee joint rehabilitation assisting device of the present invention.

In the drawings:

1. a seat plate; 2. a flexible cushion layer; 3. a movable frame; 4. a rotating shaft; 5. a step-on drum; 31. a first bracket; 32. a rotating member; 33. a second bracket; 34. a mounting member; 321. a stent body; 322. an extension frame; 6. the hanging belt is loosened and loosened; 61. hanging and buckling; 62. a first hook; 63. a second hook; 64. plugging the rubber head; 323. a locking mechanism; 341. a ground contacting piece; 21. a vent groove; 41. a heating assembly; 11. a suction cup; 12. binding bands; 7. pressing down the resistance member; 71. buffering the rubber head; 72. pressing down the spring; 73. pressing down the mounting piece; 8. a flexible resilient lever; 9. a chair; 101. a first hinge member; 102. a second hinge member; 103. a first cylinder; 104. a second cylinder; 105. a telescoping spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

As shown in fig. 1 and 2, a knee joint rehabilitation assisting device according to a preferred embodiment is placed on a chair, and includes: the chair comprises a seat board 1, a flexible cushion layer 2, two movable frames 3, a rotating shaft 4 and a pedal roller 5, wherein the seat board 1 is placed on a chair, the flexible cushion layer 2 is arranged on the upper surface of the seat board 1, the upper surface of the flexible cushion layer 2 is tightly attached to the buttocks of a user, one ends of the two movable frames 3 are respectively and fixedly installed on the two sides of the seat board 1, the two ends of the rotating shaft 4 are respectively and fixedly installed at the other ends of the two movable frames 3, and the pedal roller 5 is rotatably sleeved on the rotating shaft 4; wherein, the movable frame 3 includes: first support 31, rotate piece 32, second support 33 and installed part 34, the one end fixed mounting of first support 31 is on one side of bedplate 1, first support 31 is on a parallel with one side setting of bedplate 1, the other end of first support 31 deviates from the chair extension setting, the other end fixed mounting of first support 31 has a rotation piece 32, it is rotationally connected with the one end of second support 33 to rotate piece 32, the other end fixed mounting of second support 33 has an installed part 34, one side and the axis of rotation 4 fixed connection of installed part 34. Further, the first support 31 is disposed in a horizontal direction, the other end of the first support 31 is disposed toward both legs of the patient, and the second support 33 is disposed outside the legs of the patient; when a patient can carry out rehabilitation training, medical personnel can place the knee joint rehabilitation assistor on a chair in a ward in advance and assist the patient to sit on the flexible cushion layer 2, the seat plate 1 is tightly fixed on the upper surface of the chair under the action of the weight of the patient, the knee joint is not easy to bear too much force in the initial stage of rehabilitation of the patient, the patient can slide the double-foot house and the pedal roller 5 on the pedal roller 5 through the back-and-forth movement of the double feet on the pedal roller 5, so that the pedal roller 5 can massage the reflecting area of the foot sole, and meanwhile, the knee joint swings to a certain degree along with the repeated movement of the double feet from the toe to the heel, thereby achieving the effect of carrying out certain degree of movement and blood circulation on the knee joint; in another preferred embodiment, an angle limiting element is further installed on the rotating element 32 to limit the included angle between the first bracket and the second bracket to be not less than 90 °.

Further, as a preferred embodiment, the second support 33 is a telescopic structure, and the second support 33 includes: support main part 321 and extension frame 322, support main part 321 are rectangular shape hollow structure and set up, and the one end telescopically of extension frame 322 is installed in support main part 321, the other end and the installed part 34 fixed connection of extension frame 322. Further, the length of the entire second frame 33 is adjusted by telescoping the extension frame 322 to fit the length of the lower leg of the patient.

Further, as an embodiment of preferred, still include the elasticity and hang area 6, the both sides of elasticity string area 6 all are equipped with one and hang knot 61, the lower surface of first support 31 is equipped with a plurality of first couples 62, the opening of each first couple 62 all sets up towards the one end of keeping away from support main part 321, the lower surface of second support 33 is equipped with a plurality of second couples 63, the opening of each second couple 63 all sets up towards the one end of keeping away from first support 31, two hang knot 61 respectively with a first couple 62 and a second couple 63 phase-match. Further, when a patient enters the next stage of rehabilitation training, the two feet are placed on the lower portion of the pedal roller 5, the ankles are enabled to be tightly attached to the pedal roller 5, the two legs of the patient exert force to stretch towards one side far away from the chair, the reaction force of the elastic hanging belt 6 towards one side of the chair is applied to the process that the two feet stretch forwards, the training effect with certain load is achieved, and the tightness is adjusted by connecting the two ends of the elastic hanging belt 6 to the first hook 62 and the second hook 63 which are different, so that different training loads needed by the patient are adapted.

Further, as a preferred embodiment, a plugging rubber head 64 is further disposed at the opening of the first hook 62 and the opening of the second hook 63, one end of the plugging rubber head 64 is fixedly connected with the first hook 62 or the second hook 63, and the other end of the plugging rubber head 64 abuts against the lower surface of the first bracket 31 or the lower surface of the bracket main body 321. Further, the plugging rubber head 64 enables the first hook 62 and the second hook 63 to form a closed fixing ring on the drop support and the support main body 321 respectively, so that the hanging buckle 61 sleeved therein cannot easily fall off.

Further, as a preferred embodiment, a locking mechanism 323 is further disposed at an end of the bracket main body 321 near the extension frame 322, and the locking mechanism 323 is used for controlling the extension length of the extension frame 322. Further, the locking mechanism 323 is used to fix the relative position between the bracket body 321 and the extension frame 322, and preferably, the upper surface of the extension frame 322 is further provided with a plurality of positioning holes, a tightening bolt is disposed on the bracket body 321, and the adjustment of the extending length of the whole second bracket 33 is completed by the matching insertion of the tightening bolt and different positioning holes.

Further, as a preferred embodiment, the other end of the mounting member 34 opposite to the rotating shaft 4 is further provided with a ground contacting member 341, and the ground contacting member 341 is operatively abutted against the ground. Further, the ground contacting member 341 preferably includes a rotation section installed at the installation member 34 and a trapezoidal block rotatably installed at the rotation section, a lower profile of the trapezoidal block is greater than an upper profile of the trapezoidal block, an upper end of the trapezoidal block is rotatably connected with the rotation section, and in a practical use process, a lower portion of the trapezoidal block is always directly opposite to the ground under the action of gravity, so that the installation member 34 does not collide with the ground even though the sole of the horizontal height is horizontal.

The above-mentioned embodiments of the present invention do not limit the scope of the present invention.

The utility model discloses still have following embodiment on above-mentioned basis:

in a further embodiment of the present invention, the flexible cushion layer 2 is provided with a ventilation groove 21 arranged in a grid shape. Further, the ventilation groove 21 prevents the patient from sweating and causing discomfort at the portion in close contact with the flexible mat layer 2 during training.

In a further embodiment of the present invention, the foot-operated roller 5 is a hollow cylindrical structure, and a plurality of massage protrusions are uniformly arranged on the outer wall of the foot-operated roller 5. Further, the massage effect on the plantar reflex area of the patient is better generated through the plurality of massage bulges, and the friction force between the intersection bottom of the patient and the pedal roller 5 is enhanced.

The utility model discloses a further embodiment, axis of rotation 4 is hollow round rod-shaped structure, and a heating element 41 has been arranged along axis of rotation 4's axial in axis of rotation 4's inside, is connected with a control circuit on the heating element 41, and control circuit passes installed part 34 and outside circuit connection. Further, the rotating shaft 4 is heated by the heating unit 41 and the heat is transferred to the step roller 5 and the massage protrusions thereon, improving the comfort of the patient's foot and enhancing the blood circulation.

In a further embodiment of the present invention, the lower surface of the seat plate 1 is provided with a plurality of suckers 11, and each sucker 11 is operable to be attached to the surface of the chair. Further, the suckers 11 can enable the suckers 11 to be tightly sucked on the surface of the chair in the process that the patient sits on the flexible cushion layer 2 and presses the seat plate 1 downwards; the fixation between the seat board 1 and the chair can also be enhanced by adopting a protective cushion with friction enhancing grains; in another preferred embodiment, two binding bands 12 may be further disposed on two sides of the seat plate 1, i.e., two sides adjacent to the two first brackets 31, respectively, one binding band 12 on one side of the seat plate 1 is bound with one binding band on the other side of the seat plate 1 by passing through the chair from top to bottom, and the other binding band 12 on one side of the seat plate 1 is bound with the other binding band on the other side of the seat plate 1 by passing through the chair from top to bottom, so as to firmly bind the above-mentioned auxiliary device for knee rehabilitation on the upper surface of the chair.

In a further embodiment of the present invention, as shown in fig. 3, the pressing resistance part 7 is further included, and is installed at the lower portion of the second bracket 33 near the end of the rotating part 32, and the pressing resistance part 7 includes: the buffer rubber head 71, the downward pressing spring 72 and the downward pressing mounting part 73 are arranged, the downward pressing mounting part 73 is fixedly mounted with the second support 33, one end of the downward pressing spring 72 is fixedly connected with the downward pressing mounting part 73 relative to the other end of the second support 33, the other end of the downward pressing spring 72 is fixedly connected with the buffer rubber head 71, the central axis of the downward pressing spring 72 is perpendicular to the surface of the second support 33, and the other end of the buffer rubber head 71 is operably abutted to one side, close to the legs of a user, of the chair. Further, in the actual use process, a user firstly lifts the second bracket 33 through the pedal roller 5, the two legs of the user are changed from the state of being vertical to the ground to the state of being parallel to the ground in the lifting process, namely, the included angle between the first bracket 31 and the second bracket 33 is in the range of 90 degrees to 180 degrees, when the two legs are put down, the second bracket 33 moves towards the direction close to the chair, firstly, the buffer rubber head 71 is abutted against one side of the chair, at the moment, the included angle between the first bracket 31 and the second bracket 33 is 90 degrees, and then along with the continuous movement of the second bracket 33, the downward pressing spring 72 is compressed by the clamping force between the second bracket 33 and the chair, so that the second bracket 33 preferably moves between 80 degrees and 90 degrees, the knee joint movement range of the user is further widened, and the playback process of the two legs is buffered to a certain extent; furthermore, the specification of the pressing spring 72 can be adjusted so that the user can apply a certain force to overcome the supporting force of the pressing spring 72 during the bending process of 80-90 degrees, thereby achieving the rehabilitation effect with higher strength. Further, the connection between the push-down mounting member 73 and the second bracket 33 is a detachable structure, different types of push-down mounting members should be provided during actual use, the rotation angle of the second bracket 33 can be further limited by adjusting the push-down mounting members 73, mainly the mounting direction of the push-down mounting members 73 and the length of the push-down mounting members 73 in the direction perpendicular to the second bracket 33, preferably, for the postoperative patient, because the knee joint is not healed and the mobility is in the worst state, the range of motion of the legs along with the second support 33 is usually between 130 degrees and 180 degrees with the first support 31, by adjusting the downward-pressing mounting member 73, the buffering rubber head 71 driven by the downward-pressing mounting member 73 is abutted against the chair when the first bracket 31 and the second bracket 33 form an angle of 135 degrees, and the hold down spring 72 can be compressed to complete the 130 to 135 degree motion by continued application of force by the patient.

In another preferred embodiment, as shown in fig. 4, as the knee joint of the patient is gradually restored, the leg of the patient needs to be pushed down by the force applied to the two legs between 90 degrees and 135 degrees from the first support 31 to the second support 33, a flexible elastic rod 8 can be fixed to the lower end of the chair 9, the flexible elastic rod 8 is disposed in an inclined state, the lower end of the flexible elastic rod 8 is fixed to the lower end of the chair 9, a fixing groove is formed in the lower end of the second support 33, the upper end of the flexible elastic rod 8 is operatively engaged with the fixing groove, the flexible elastic rod 8 is disposed in an arc shape, the middle of the flexible elastic rod 8 is disposed in a bending manner toward one side close to the chair 9, when the two legs of the patient move 135 degrees from the first support 31 along with the second support 33, the upper end of the flexible elastic rod 8 is inserted into the fixing groove, and after the force is applied to the two legs of the patient, the flexible elastic rod 8 is bent, until the flexible resilient rod 8 is pressed down to be completely bent, i.e. in an n-shape, the first bracket 31 and the second bracket 33 are at an angle of 90 degrees.

In a further embodiment of the present invention, as shown in fig. 5, the outside of the first bracket is provided with a first hinge member 101, the outside of the second bracket is provided with a second hinge member 102, the first hinge member 101 and a telescopic cylinder is connected between the second hinge members 102, the telescopic cylinder includes: the telescopic spring type medical syringe comprises a first barrel 103, a second barrel 104 and a telescopic spring 105, wherein one end of the first barrel 103 is hinged to a first hinge 101, one end of the second barrel 104 is hinged to a second hinge 102, the second barrel is sleeved in the first barrel, the second barrel 104 can slide and can penetrate through one end of the first barrel 103, the telescopic spring 105 is installed between the first barrel 103 and the second barrel, and the spring is compressed in the process that the second barrel 104 penetrates into the first barrel 103. Further, in the actual use process, a telescopic supporting structure is formed between the first support 31 and the second support 33 through the telescopic cylinder, when the patient presses down the legs, the second support 33 is forced to rotate, the second cylinder 104 is retracted into the first cylinder 103, and the second cylinder receives the elastic force of the telescopic spring 105, so that the leg bending training strength of the patient is enhanced.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims (10)

1. A knee joint rehabilitation assistor is placed on a chair, and is characterized by comprising: the chair comprises a seat board, a flexible cushion layer, two movable frames, a rotating shaft and a pedal roller, wherein the seat board is placed on the chair, the flexible cushion layer is arranged on the upper surface of the seat board, the upper surface of the flexible cushion layer is clung to the buttocks of a user, one ends of the two movable frames are fixedly arranged on the two sides of the seat board respectively, the two ends of the rotating shaft are fixedly arranged on the other ends of the two movable frames respectively, and the pedal roller is rotatably sleeved on the rotating shaft;

wherein, the adjustable shelf includes: first support, rotation piece, second support and installed part, the one end fixed mounting of first support in on one side of bedplate, first support be on a parallel with one side setting of bedplate, the other end of first support deviates from the chair extension sets up, the other end fixed mounting of first support has one rotate the piece, rotate the piece with the one end of second support is rotationally connected, the other end fixed mounting of second support has one the installed part, one side of installed part with axis of rotation fixed connection.

2. The knee rehabilitation aid of claim 1, wherein the second support is a telescopic structure, the second support comprising: support main part and extension frame, the support main part is the hollow structure setting of rectangular shape, the one end retractable of extension frame install in the support main part, the other end of extension frame with installed part fixed connection.

3. The knee joint rehabilitation assisting device according to claim 2, further comprising an elastic hanging belt, wherein hanging buckles are arranged on two sides of the elastic hanging belt, a plurality of first hooks are arranged on the lower surface of the first support, an opening of each first hook faces one end away from the support main body, a plurality of second hooks are arranged on the lower surface of the second support, an opening of each second hook faces one end away from the first support, and the two hanging buckles are respectively matched with one first hook and one second hook.

4. The knee joint rehabilitation assisting device according to claim 3, wherein a plugging rubber head is further arranged at each of the opening of the first hook and the opening of the second hook, one end of the plugging rubber head is fixedly connected with the first hook or the second hook, and the other end of the plugging rubber head abuts against the lower surface of the first support or the lower surface of the support main body.

5. The knee joint rehabilitation assisting device according to claim 2, wherein a locking mechanism is further provided at one end of the bracket main body close to the extension frame, and the locking mechanism is used for controlling the extension length of the extension frame.

6. The knee rehabilitation aid of claim 1, wherein the other end of the mounting member opposite to the rotation shaft is further provided with a ground contacting member, and the ground contacting member is operatively abutted against the ground.

7. The knee joint rehabilitation assisting device according to claim 1, wherein the flexible cushion layer is provided with ventilation grooves arranged in a grid shape.

8. The knee joint rehabilitation assisting device according to claim 1, wherein the pedal roller is a hollow cylindrical structure, and a plurality of massage protrusions are uniformly arranged on the outer wall of the pedal roller.

9. The knee joint rehabilitation aid according to claim 1, wherein the rotating shaft is a hollow round rod-shaped structure, a heating component is arranged inside the rotating shaft along the axial direction of the rotating shaft, a control circuit is connected to the heating component, and the control circuit penetrates through the mounting part and is connected with an external circuit.

10. The knee rehabilitation aid of claim 1, wherein the lower surface of the seat plate is provided with a plurality of suction cups, each suction cup being operable to adhere to a surface of the chair.

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