CN216318233U

CN216318233U - Positioning device with deviation prevention function for hip joint replacement assembly

Info

Publication number: CN216318233U
Application number: CN202121995812.6U
Authority: CN
Inventors: 左林; 陈琦玮; 吴珣; 凌惠清
Original assignee: Changzhou Xiongbang Medical Equipment Co ltd
Current assignee: Changzhou Xiongbang Medical Equipment Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-04-19
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to a positioning device for a hip joint replacement assembly with deviation prevention, which relates to the technical field of surgical instruments.A rear side of a fixed plate is fixedly provided with electric push rods in bilateral symmetry, output ends of the electric push rods are fixedly arranged at the front side of a movable plate, a limiting plate is arranged at the rear side of the movable plate, a plurality of threaded rods are screwed in the mounting plate at equal intervals through threads, the front ends of the threaded rods are screwed on connecting rods through bearings after penetrating through the mounting plate respectively, the connecting rods are respectively penetrated in a fixed sleeve, clamping balls are respectively clamped between two adjacent clamping blocks, and the front ends of the connecting rods are fixedly arranged on a limiting pad; the rear side of operating table is provided with the backup pad, and the upside of backup pad is provided with the mounting bracket through the round pin axle rotation, and the cover is equipped with the removal cover on the periphery wall of mounting bracket, and the fixed angulometer board that is provided with of downside that removes the cover can help the patient to fix a position, keeps the posture of lying on one's side, can confirm the angle of joint simultaneously for joint location is more accurate, does not influence the recovery of operation joint function.

Description

Positioning device with deviation prevention function for hip joint replacement assembly

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to a positioning device with deviation prevention for a hip joint replacement assembly.

Background

The hip joint replacement replaces the diseased joint with an artificial joint to reconstruct the normal function of the hip joint of a patient, when the hip joint replacement operation is carried out, the patient needs to be fixed on an operating bed in a side lying posture, at the moment, the patient needs to be kept in the side lying state, in order to ensure the quality recovery of the human joint after the operation, the angle of the joint needs to be measured and determined, but because a professional positioning measuring tool is lacked at present, the joint is often connected between the joints through visual observation and experience of a doctor during the operation, so that the joint assembly error is extremely large, the pain and the economic burden of the patient are increased, and the body health of the patient is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning device for a hip joint replacement assembly, which is reasonable in design and convenient to use and has deviation prevention, and can help a patient to position, keep a side lying posture and determine the angle of a joint, so that the joint is positioned more accurately without influencing the recovery of the function of the surgical joint.

In order to achieve the purpose, the utility model adopts the following technical scheme: the operating table comprises an operating table, supporting legs and a pillow, wherein the supporting legs are fixedly arranged at four corners of the bottom of the operating table, and the pillow is fixedly arranged on the left side of the top surface of the operating table; the device also comprises a fixed plate, a movable plate, an electric push rod, a limiting plate, an installation plate, a threaded rod, a connecting rod, a angle measuring plate, a supporting plate, a movable sleeve and an adjusting rod; the front side of the top surface of an operating table is fixedly provided with a fixed plate, the rear side of the fixed plate is provided with a movable plate, the rear side of the fixed plate is bilaterally and symmetrically fixedly provided with electric push rods, the output ends of the electric push rods are fixedly arranged at the front side of the movable plate, the electric push rods are connected with an external power supply, the rear side of the movable plate is provided with a limiting plate, a compression spring is fixedly arranged between the movable plate and the limiting plate, the rear side of the top surface of the operating table is fixedly provided with a mounting plate, a plurality of threaded rods are screwed in the mounting plate at equal intervals through threads, the rear ends of the threaded rods are fixedly provided with knobs, the front ends of the threaded rods are screwed on the connecting rods through bearings after respectively penetrating through the mounting plate, the front side of the mounting plate is equidistantly provided with a plurality of fixed sleeves, the fixed sleeves are fixedly arranged on the top surface of the operating table, the connecting rods are respectively penetrated in the fixed sleeves, and a plurality of fixture blocks are equidistantly fixedly arranged on the inner walls of the left side and the right side of the fixed sleeves, the left side and the right side of the connecting rod are fixedly provided with clamping balls which are respectively clamped between two adjacent clamping blocks, a limiting pad is arranged in front of the fixed sleeve, and the front end of the connecting rod is fixedly arranged on the limiting pad;

the operating table rear side is provided with the backup pad, the right side of mounting panel is located to the backup pad, the upside of backup pad is provided with the mounting bracket through the round pin hub rotation, the mounting bracket sets up on the top surface of operating table, the cover is equipped with the removal cover on the periphery wall of mounting bracket, it has the locking bolt to connect soon through the screw thread in the last lateral wall of removal cover, the lower extreme of locking bolt passes behind the last lateral wall of removal cover, contradict with the mounting bracket and set up, the fixed angulation board that is provided with of downside of removal cover, the front side of angulation board has connect the regulation pole soon through the bearing.

Preferably, the lower side of the moving plate is fixedly provided with a sliding block, the top surface of the operating table is provided with a sliding groove, and the sliding block is arranged in the sliding groove in a sliding manner.

Preferably, the periphery wall of connecting rod on the cover be equipped with connecting spring, connecting spring's preceding terminal surface all contradicts with spacing pad and sets up, connecting spring's rear end face contradicts with fixed cover respectively and sets up.

Preferably, the front side of the supporting plate is fixedly provided with two connecting plates, the two connecting plates are arranged on the upper side and the lower side of the operating table in an up-and-down symmetrical mode, a screw rod is screwed in the connecting plates through threads, the inner end of the screw rod penetrates through the connecting plates and then is screwed on the fastening plate through a bearing, and the outer end of the screw rod penetrates through the connecting plates and then is fixedly provided with a hand screw.

Compared with the prior art, the utility model has the beneficial effects that: the positioning device for the hip joint replacement assembly with the deviation prevention function can help a patient to position, keep the side lying posture, and simultaneously determine the angle of the joint, so that the joint is positioned more accurately, the recovery of the function of the surgical joint is not influenced, and the positioning device has the advantages of reasonable arrangement, low manufacturing cost and the like.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view taken along line a-a in fig. 1.

Fig. 4 is a schematic view showing the connection relationship of the fixing sleeve, the threaded rod and the connecting rod in the present invention.

Description of reference numerals:

the device comprises an operating table 1, supporting legs 2, a pillow 3, a fixing plate 4, a moving plate 5, an electric push rod 6, a sliding block 7, a sliding groove 8, a compression spring 9, a limiting plate 10, a mounting plate 11, a fixing sleeve 12, a threaded rod 13, a knob 14, a clamping block 15, a clamping ball 16, a connecting rod 17, a connecting spring 18, a limiting pad 19, a angle measuring plate 20, a mounting frame 21, a supporting plate 22, a connecting plate 23, a hand screw 24, a screw rod 25, a fastening plate 26, a moving sleeve 27, a locking bolt 28 and an adjusting rod 29.

The specific implementation mode is as follows:

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.

As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: the operating table comprises an operating table 1, supporting legs 2 and a pillow 3, wherein the supporting legs 2 are fixedly riveted at four corners of the bottom of the operating table 1, and the pillow 3 is fixed on the left side of the top surface of the operating table 1 through glue; the device also comprises a fixed plate 4, a movable plate 5, an electric push rod 6, a limit plate 10, a mounting plate 11, a threaded rod 13, a connecting rod 17, a angle measuring plate 20, a support plate 22, a movable sleeve 27 and an adjusting rod 29; a fixed plate 4 is riveted and fixed on the front side of the top surface of an operating table 1, a movable plate 5 is arranged behind the fixed plate 4, electric push rods 6 are riveted and fixed on the rear side of the fixed plate 4 in a bilateral symmetry manner, the output ends of the electric push rods 6 are riveted and fixed on the front side of the movable plate 5, the electric push rods 6 are connected with an external power supply, sliders 7 are riveted and fixed on the lower side of the movable plate 5, a chute 8 is arranged on the top surface of the operating table 1, the sliders 7 are slidably arranged in the chute 8, a limiting plate 10 is arranged behind the movable plate 5, a compression spring 9 is fixedly arranged between the movable plate 5 and the limiting plate 10, a mounting plate 11 is riveted and fixed on the rear side of the top surface of the operating table 1, four threaded rods 13 are screwed in the mounting plate 11 at equal intervals through threads, knobs 14 are riveted and fixed on the rear ends of the threaded rods 13, the threaded rods are screwed on the connecting rod 17 through bearings after respectively penetrating through the mounting plate 11, the front side of the mounting plate 11 is equidistantly provided with four fixing sleeves 12, the fixing sleeves 12 are all riveted and fixed on the top surface of the operating table 1, the connecting rods 17 are respectively penetrated in the fixing sleeves 12, the inner walls of the left side and the right side of the fixing sleeves 12 are equidistantly riveted and fixed with a plurality of clamping blocks 15, the left side and the right side of the connecting rods 17 are riveted and fixed with clamping balls 16, the clamping balls 16 are respectively clamped and arranged between the two adjacent clamping blocks 15, a limiting pad 19 is arranged in front of the fixing sleeves 12, the front ends of the connecting rods 17 are all riveted and fixed on the limiting pad 19, the peripheral wall of the connecting rods 17 is sleeved with a connecting spring 18, the front end face of the connecting spring 18 is abutted against the limiting pad 19, and the rear end face of the connecting spring 18 is abutted against the fixing sleeves 12;

the rear side of the operating table 1 is provided with a supporting plate 22, the supporting plate 22 is arranged on the right side of the mounting plate 11, the front side of the supporting plate 22 is fixedly riveted with two connecting plates 3, the two connecting plates 23 are arranged on the upper side and the lower side of the operating table 1 in an up-down symmetrical mode, a screw rod 25 is screwed in the connecting plate 23 through a thread, the inner end of the screw rod 25 penetrates through the connecting plate 23 and is screwed on a fastening plate 26 through a bearing, the outer end of the screw rod 25 penetrates through the connecting plate 23 and is riveted with a hand screw 24, the upper side of the supporting plate 22 is rotatably provided with a mounting frame 21 through a pin shaft, the mounting frame 21 is arranged on the top surface of the operating table 1, the peripheral wall of the mounting frame 21 is sleeved with a movable sleeve 27, the upper side wall of the movable sleeve 27 is screwed with a locking bolt 28 through a thread, the lower end of the locking bolt 28 penetrates through the upper side wall of the movable sleeve 27 and is abutted against the mounting frame 21, and the lower side of the movable sleeve 27 is riveted with a protracting plate 20, the front side of the angle gauge plate 20 is screwed with an adjusting rod 29 through a bearing.

The working principle of the specific embodiment is as follows: when the device is used, firstly, the posture of a patient is positioned, the electric push rod 6 is used for driving the movable plate 5 to move back and forth, the movable plate 5 drives the limiting plate 10 to move back and forth, then the patient lies on the operating table 1 and is positioned at the rear side of the limiting plate 10, then the knob 14 is rotated, the knob 14 drives the threaded rod 13 to rotate, the threaded rod 13 drives the connecting rod 17 to move back and forth, the connecting rod 17 drives the clamping ball 16 to move in the fixed sleeve 12, the clamping ball 16 is clamped between two adjacent clamping blocks 15, so that the stability of the connecting rod 17 during movement is better, the connecting rod 17 drives the limiting pads 19 to move, and the four knobs 14 are respectively rotated, so that the limiting pads 19 are more attached to the back of the patient;

in the operation process, can fix a position the angle of joint, position according to the patient operation confirms the position of backup pad 22, then establish connecting plate 23 card in the upper and lower both sides of operation table 1, rotatory hand is twisted 24, it is rotatory that 24 drive lead screw 25 is twisted to the hand, lead screw 25 drives mounting plate 26 and removes, make mounting plate 26 contradict with operation table 1, then rotatory mounting bracket 21, on operation table 1 is arranged in to the other end of mounting bracket 21, it is fixed to adjust the position of removing cover 27 and utilize locking bolt 28, rotatory regulation pole 29, the angle is determined according to the number of degrees of angulation board 20.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the electric push rod 6, the limiting plate 10 and the limiting pad 19 can help the patient to be positioned and keep the lateral lying posture;

2. the angle of the joint can be determined by utilizing the moving sleeve 27, the angle measuring plate 20 and the adjusting rod 29, so that the joint is positioned more accurately;

3. the connecting plate 23, the screw rod 25 and the fastening plate 26 are arranged, so that the position of the supporting plate 22 can be conveniently adjusted according to actual conditions.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A positioning device with deviation prevention for a hip joint replacement component comprises an operating table (1), supporting legs (2) and a pillow (3), wherein the supporting legs (2) are fixedly arranged at four corners of the bottom of the operating table (1), and the pillow (3) is fixedly arranged on the left side of the top surface of the operating table (1); the method is characterized in that: the device also comprises a fixed plate (4), a movable plate (5), an electric push rod (6), a limiting plate (10), a mounting plate (11), a threaded rod (13), a connecting rod (17), a angle measuring plate (20), a supporting plate (22), a movable sleeve (27) and an adjusting rod (29); the front side of the top surface of an operating table (1) is fixedly provided with a fixed plate (4), the rear side of the fixed plate (4) is provided with a movable plate (5), the rear side of the fixed plate (4) is bilaterally and symmetrically and fixedly provided with electric push rods (6), the output ends of the electric push rods (6) are fixedly arranged on the front side of the movable plate (5), the electric push rods (6) are connected with an external power supply, the rear side of the movable plate (5) is provided with a limit plate (10), a compression spring (9) is fixedly arranged between the movable plate (5) and the limit plate (10), the rear side of the top surface of the operating table (1) is fixedly provided with a mounting plate (11), a plurality of threaded rods (13) are screwed in the mounting plate (11) at equal intervals through threads, the rear ends of the threaded rods (13) are fixedly provided with knobs (14), the front ends of the threaded rods (13) respectively penetrate through the mounting plate (11) and are screwed on a connecting rod (17) through bearings, a plurality of fixing sleeves (12) are equidistantly arranged on the front side of the mounting plate (11), the fixing sleeves (12) are fixedly arranged on the top surface of the operating table (1), connecting rods (17) are respectively penetrated in the fixing sleeves (12), a plurality of clamping blocks (15) are fixedly arranged on the inner walls of the left side and the right side of each fixing sleeve (12) at equal intervals, clamping balls (16) are fixedly arranged on the left side and the right side of each connecting rod (17), the clamping balls (16) are respectively clamped between every two adjacent clamping blocks (15), a limiting pad (19) is arranged in front of each fixing sleeve (12), and the front ends of the connecting rods (17) are fixedly arranged on the limiting pads (19);

the rear side of operating table (1) is provided with backup pad (22), the right side of mounting panel (11) is located in backup pad (22), the upside of backup pad (22) is provided with mounting bracket (21) through the round pin axle rotation, mounting bracket (21) set up on the top surface of operating table (1), the cover is equipped with on the periphery wall of mounting bracket (21) and removes cover (27), it has lock bolt (28) to connect soon through the screw thread in the last lateral wall of removing cover (27), the lower extreme of lock bolt (28) passes behind the last lateral wall that removes cover (27), contradict the setting with mounting bracket (21), the fixed spacer plate (20) that is provided with of downside that removes cover (27), the front side of spacer plate (20) has connect soon through the bearing and has adjusted pole (29).

2. The positioning device for a hip replacement assembly having anti-migration features of claim 1, wherein: the lower side of the moving plate (5) is fixedly provided with a sliding block (7), the top surface of the operating table (1) is provided with a sliding groove (8), and the sliding block (7) is arranged in the sliding groove (8) in a sliding mode.

3. The positioning device for a hip replacement assembly having anti-migration features of claim 1, wherein: the periphery wall of connecting rod (17) on the cover be equipped with connecting spring (18), the preceding terminal surface of connecting spring (18) all contradicts with spacing pad (19) and sets up, the rear end face of connecting spring (18) contradicts with fixed cover (12) respectively and sets up.

4. The positioning device for a hip replacement assembly having anti-migration features of claim 1, wherein: the front side of backup pad (22) fixed be provided with two connecting plates (23), two connecting plates (23) longitudinal symmetry set up in the upper and lower both sides of operating table (1), connect lead screw (25) soon through the screw in connecting plate (23), the inner of lead screw (25) passes behind connecting plate (23), connects soon on mounting plate (26) through the bearing, the outer end of lead screw (25) passes behind connecting plate (23), fixed hand is provided with and screws up (24).