CN220002064U - Hip joint replacement support - Google Patents

Abstract

The hip joint replacement support effectively solves the problem that the abduction angle of the hip joint of a patient is inconvenient to adjust and restrict; the device comprises a base, wherein the left side and the right side of the base are respectively hinged with a constraint plate, the left side of the constraint plate is provided with a front-back axial rotating shaft, the rotating shaft is connected with an arc-shaped clamping plate in a sliding manner, the right end of the clamping plate can be in contact with the right end of the constraint plate, a rectangular groove is formed in the base, a guide rod in the vertical axial direction is arranged at the lower side of the constraint plate, the lower end of the guide rod stretches into the rectangular groove and is hinged with a connecting rod, the left side and the right side of the rectangular groove are respectively provided with an L-shaped support plate in a sliding manner, the front end of the support plate is hinged with the free end of the connecting rod at the corresponding side of the support plate, the rectangular groove is rotationally connected with a guide disc in the vertical axial direction, the left side and the right side of the guide disc are respectively provided with an arc-shaped groove, the distance between the arc-shaped groove and the circle center of the guide disc is gradually increased along the clockwise direction, and the rear end of the support plate is in sliding connection with the arc-shaped groove at the corresponding side of the support plate through an inserted rod; the utility model has smart structure and convenient use.

Description

Hip joint replacement support

Technical Field

The utility model relates to the technical field of nursing auxiliary instruments, in particular to a hip joint replacement support.

Background

The hip joint replacement is also called artificial hip joint replacement, and is a relatively mature and reliable treatment means by fixing an artificial prosthesis comprising a femur part and an acetabulum part on normal bone by bone cement and screws so as to replace a diseased joint and reconstruct the normal function of the hip joint of a patient. After hip replacement surgery, the affected limbs are required to be placed in an abduction mode, the replaced hip joints are located at a proper abduction angle, and then the hip joints of the two legs are kept at abduction neutral positions, so that buckling, adduction or internal rotation of the hip joints are prevented, the postoperative rehabilitation of a patient is facilitated, a trapezoid pillow is mostly adopted to be placed between the two legs of the patient after the hip replacement surgery at present, the included angles of the two legs are located, although the hip replacement surgery is simple and effective, the fixing effect on the legs is poor, leg displacement caused by unconscious limb actions after the patient sleeps cannot be avoided, the hip joint abduction included angle of the patient is changed, the rehabilitation of the patient is not facilitated, and meanwhile the hip joint abduction angle of the patient is also conveniently and effectively adjusted according to the conditions of the patient.

Disclosure of Invention

Aiming at the situation, in order to make up the defects of the prior art, the utility model aims to provide the hip joint replacement bracket, which effectively solves the problem of inconvenient adjustment and constraint of the abduction angle of the hip joint of a patient.

The technical scheme includes that the device comprises a base, a U-shaped constraint plate and a front-back constraint plate are hinged to the left side and the right side of the base respectively, a front-back axial rotatable rotating shaft is arranged on the left side of the constraint plate, an arc-shaped clamping plate is connected to the rotating shaft in a sliding mode, the right end of the clamping plate can be in contact with the right end of the constraint plate, a rectangular groove is formed in the base, a guide rod in the upper-lower axial direction is arranged on the lower side of the constraint plate, the guide rod is in sliding connection with the base, the lower end of the guide rod stretches into the rectangular groove and is hinged to a connecting rod, L-shaped support plates capable of sliding left and right are respectively arranged on the left side and the right side of the rectangular groove, the front end of the support plate is hinged to the free end of the connecting rod on the corresponding side of the rectangular groove, an upper-lower axial T-shaped guide plate is connected in a rotating mode, arc-shaped guide plate is arranged on the left side and the right side of the guide plate respectively, the distance between the arc-shaped groove and the center of the guide plate is gradually increased along the clockwise direction, and the rear end of the support plate is in sliding connection with the arc-shaped groove on the corresponding side of the guide plate through a plug rod.

The beneficial effects of the utility model are as follows:

the constraint plate, the grip block, the pivot, the fixing base, the constant head tank, stopper and spacing groove of setting, not only be convenient for retrain the shank that will relax in the constraint inboard, also be convenient for retrain the location to patient's hip joint, avoided patient's shank to remove the problem that leads to the change of hip joint abduction angle to appear, the guide disc that is equipped with, the arc wall, the inserted bar, the connecting rod, the guide arm, the backup pad, worm wheel and worm, not only be convenient for adjust the angle between two constraint plates through the rotation of guide disc, also be convenient for adjust the angle of patient's hip joint abduction through the constraint of constraint plate, simultaneously can be in stable abduction angle through the constraint to patient's shank, be convenient for patient postoperative rehabilitation.

Drawings

Fig. 1 is an isometric view of the present utility model.

Fig. 2 is a front isometric view in full section of the present utility model.

Fig. 3 is a step-cut rear isometric view of the present utility model.

Fig. 4 is a bottom perspective view in full section of the present utility model.

Fig. 5 is a full section right isometric view of the present utility model.

Fig. 6 is an enlarged view of a of fig. 5 according to the present utility model.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the drawings.

The utility model provides a by fig. 1 to 6, including base 1, base 1 left and right sides articulates respectively has U-shaped and front and back orientation restraint board 2, restraint board 2 left side is equipped with front and back axial and rotatable pivot 3, sliding connection has curved grip block 4 on pivot 3, grip block 4 right-hand member can contact with restraint board 2 right-hand member, rectangular channel 5 has been seted up in base 1, restraint board 2 downside is equipped with upper and lower axial guide arm 6, guide arm 6 and base 1 sliding connection, guide arm 6 lower extreme stretches into rectangular channel 5 in and articulates there is connecting rod 7, but the left and right sides is equipped with L-shaped and left and right slidable backup pad 8 respectively in the rectangular channel 5, backup pad 8 front end is articulated with the connecting rod 7 free end of its corresponding side, the guide disc 9 of axial and T-shaped from top to bottom is connected with in the rectangular channel 5 rotation, arc wall 10 has been seted up respectively to the guide disc 9 left and right sides, distance between arc wall 10 and the guide disc 9 centre of a circle increases along clockwise gradually, backup pad 8 rear end is through inserting rod 11 and arc wall 10 sliding connection of its corresponding side.

For the rotation of the rotating shaft 3 and the swinging positioning of the clamping plate 4, the front side and the rear side of the constraint plate 2 are respectively provided with a fixed seat 12, the front end and the rear end of the rotating shaft 3 are respectively connected with the fixed seats 12 on the corresponding sides, the front side and the rear side of the right end of the constraint plate 2 are respectively provided with a positioning groove 13 with an upward opening, the rear side wall of the positioning groove 13 is provided with a limiting groove 14, the right end of the clamping plate 4 is provided with two limiting blocks 15 which are in one-to-one correspondence with the positioning grooves 13 and are L-shaped, and the limiting blocks 15 can be positioned in the positioning grooves 13 on the corresponding sides and the rear ends of the limiting blocks can be inserted into the limiting grooves 14.

In order to enable the support plate 8 to slide left and right, a chute 16 with an upward opening is arranged at the lower side in the rectangular groove 5, and the lower side of the support plate 8 is connected with the chute 16 at the corresponding side in a sliding way through a sliding block.

In order to facilitate the rotation of the guide disc 9, a worm wheel 17 is coaxially arranged on the lower side of the guide disc 9, a worm 18 meshed with the worm wheel 17 is rotationally connected to the rectangular groove 5, and a knob is coaxially arranged at the left end of the worm 18 penetrating through the base 1.

In order to facilitate the sliding of the guide rod 6, the left and right sides of the base 1 are respectively provided with a yielding groove 19 communicated with the rectangular groove 5, and the guide rod 6 is positioned in the yielding groove 19 at the corresponding side.

In order to facilitate the comfort of the patient's legs, the inside wall of the restraint panel 2 is provided with a sponge cushion 20 conforming to the shape thereof.

When the utility model is used, the clamping plate 4 is pushed to drive the rotating shaft 3 to swing upwards along the fixed seat 12, the clamping plate 4 drives the limiting block 15 to be pulled out of the positioning groove 13, then the legs of a patient are placed in the constraint plate 2 at the corresponding side, then the clamping plate 4 is pushed to swing downwards through the rotating shaft 3 and the fixed seat 12, meanwhile, the clamping plate 4 drives the limiting block 15 to be inserted into the positioning groove 13, then the clamping plate 4 is pushed to slide backwards along the rotating shaft 3 to drive the limiting block 15 to be inserted into the limiting groove 14, and the limiting block 15 is tightly connected with the limiting groove 14, so that the clamping plate 4 is in a stable position, the legs of the patient are conveniently and stably constrained in the constraint plate 2 through the clamping plate 4, and the sponge cushion 20 is arranged, so that the comfort level of the legs of the patient is conveniently improved;

when the abduction angle of the hip joint of the patient needs to be adjusted and fixed, firstly, the knob is rotated, the worm 18 and the worm wheel 17 drive the guide disc 9 to rotate anticlockwise along the rectangular groove 5, the guide disc 9 rotates anticlockwise, the arc-shaped groove 10 and the inserted rod 11 drive the two support plates 8 to slide reversely along the rectangular groove 5, the two support plates 8 drive the sliding blocks to slide reversely along the sliding groove 16, the two support plates 8 drive the two constraint plates 2 to swing reversely along the base 1 through the connecting rod 7 and the guide rod 6, the two constraint plates 2 drive the hip joint of the patient to abduct to a proper angle through the legs of the patient, the knob is not rotated any more, the worm wheel 17 and the worm 18 have certain self-locking property, the constraint plates 2 can be in a stable angle, the hip joint of the patient can be conveniently in a stable abduction angle, and the rehabilitation after the operation of the patient is convenient.

When the abduction angle of the hip joint of the patient is not required to be restrained, the knob is rotated firstly to drive the guide disc 9 to rotate clockwise along the rectangular groove 5 through the worm 18 and the worm wheel 17, the guide disc 9 rotates clockwise to drive the two support plates 8 to slide relatively along the rectangular groove 5 through the arc groove 10 and the inserted link 11, the two support plates 8 drive the sliding blocks to slide relatively along the sliding grooves 16, the two support plates 8 drive the two restraint plates 2 to swing relatively along the base 1 through the connecting rod 7 and the guide rod 6, the two restraint plates 2 drive the hip joint of the patient to rotate to the initial position through the legs of the patient, then the clamping plate 4 is pushed to slide forwards along the rotating shaft 3, the limiting block 15 is driven to be drawn out of the limiting groove 14, the clamping plate 4 is then swung upwards, the clamping plate 4 is not located right above the restraint plates 2, and the legs of the patient are lifted from the restraint plates 2.

The hip joint support device is simple in structure, convenient to operate, novel in conception and high in practicability, the relaxed legs are conveniently restrained in the constraint plates through the constraint plates, the rotation shafts, the fixing seats, the positioning grooves, the limiting blocks and the limiting grooves, the hip joints of a patient are conveniently restrained and positioned, the problem that the hip joint abduction angle changes caused by movement of the legs of the patient is avoided, the guide plates, the arc grooves, the inserted bars, the connecting rods, the guide rods, the support plates, the worm wheels and the worm are arranged, the angle between the two constraint plates is conveniently adjusted through rotation of the guide plates, the abduction angle of the hip joints of the patient is conveniently adjusted through the constraint of the legs of the patient, and meanwhile the hip joints of the patient can be enabled to be in a stable abduction angle through constraint of the legs of the patient, so that postoperative rehabilitation of the patient is facilitated.

Claims (6)

1. The utility model provides a hip joint replacement support, including base (1), a serial communication port, base (1) left and right sides articulates respectively has U-shaped and front and back orientation restraint board (2), but restraint board (2) left side is equipped with front and back axial and rotatable pivot (3), sliding connection has curved grip block (4) on pivot (3), grip block (4) right-hand member can with restraint board (2) right-hand member contact, rectangular channel (5) have been seted up in base (1), restraint board (2) downside is equipped with upper and lower axial guide arm (6), guide arm (6) and base (1) sliding connection, but in guide arm (6) lower extreme stretches into rectangular channel (5) and articulates there is connecting rod (7), but the left and right sides is equipped with L shape respectively in rectangular channel (5) and the backup pad (8) of left and right sides slip, but backup pad (8) front end is articulated with connecting rod (7) free end of its correspondence side, rectangular channel (5) internal rotation is connected with upper and lower axial and T-shaped guide disc (9), rectangular channel (9) left and right sides have seted up rectangular channel (10) respectively, the distance between guide disc (10) and arc-shaped guide disc (9) and arc-shaped guide disc (10) are corresponding to the arc-shaped arc channel (11) side along the arc-shaped channel (11) of the increase gradually.

2. The hip joint replacement support according to claim 1, wherein the front side and the rear side of the constraint plate (2) are respectively provided with a fixed seat (12), the front end and the rear end of the rotating shaft (3) are rotationally connected with the fixed seats (12) on the corresponding sides, the front side and the rear side of the right end of the constraint plate (2) are respectively provided with a positioning groove (13) with an upward opening, the rear side wall of the positioning groove (13) is provided with a limiting groove (14), the right end of the clamping plate (4) is provided with two limiting blocks (15) which are in one-to-one correspondence with the positioning grooves (13) and are L-shaped, and the limiting blocks (15) can be positioned in the positioning grooves (13) on the corresponding sides and the rear ends of the limiting blocks can be inserted into the limiting grooves (14).

3. The hip joint replacement support according to claim 1, wherein the lower side of the rectangular groove (5) is provided with a sliding groove (16) which is arranged in the left-right direction and is provided with an upward opening, and the lower side of the support plate (8) is in sliding connection with the sliding groove (16) on the corresponding side through a sliding block.

4. The hip joint replacement support according to claim 1, wherein a worm wheel (17) is coaxially arranged on the lower side of the guide disc (9), a worm (18) meshed with the worm wheel (17) is rotatably connected to the rectangular groove (5), and a knob is coaxially arranged on the left end of the worm (18) penetrating through the base (1).

5. The hip joint replacement support according to claim 1, wherein the left side and the right side of the base (1) are respectively provided with a yielding groove (19) communicated with the rectangular groove (5), and the guide rod (6) is positioned in the yielding groove (19) on the corresponding side.

6. A hip replacement stent according to claim 1, wherein the inner side wall of the constraint plate (2) is provided with a sponge cushion (20) conforming to the shape thereof.