CN219289804U

CN219289804U - Acetabular implant angle positioning device for artificial hip joint total hip replacement

Info

Publication number: CN219289804U
Application number: CN202221891803.7U
Authority: CN
Inventors: 朱永良
Original assignee: Nanjing Central Hospital
Current assignee: Nanjing Central Hospital
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-07-04
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses an acetabular implant angle positioning device for artificial hip joint total hip replacement, which comprises a device body, a sickbed body, a fixing mechanism, an adjusting mechanism and a light supplementing lamp, wherein an outer frame is arranged on the device body, side plates are arranged at the lower ends of two sides of the outer frame, the fixing mechanism is arranged at the lower ends of the side plates and comprises a knob, a left clamping plate and a right clamping plate, the mechanism can effectively move and fix the device body, a patient can conveniently lie on the sickbed preferentially, the position of the patient is prevented from being difficult to adjust due to the fixing of the device, the stability of the device in use can be ensured, the adjusting mechanism is arranged in the center of the outer frame and comprises a fixing sleeve, a handle and an expansion joint, the mechanism can effectively control the lifting movement of an angle measuring part, is convenient for adapting to patients with different sizes, and can be close to the lifting position after measurement, the influence on the vision of doctors is avoided, and the practicability and the reliability of the device are increased.

Description

Acetabular implant angle positioning device for artificial hip joint total hip replacement

Technical Field

The utility model belongs to the technical field of total hip replacement, and particularly relates to an acetabular implant angle positioning device for artificial hip joint total hip replacement.

Background

The human hip joint is a spherical joint and comprises a spherical femoral head and a bowl-like acetabulum, when the hip joint is painful, stiff or deformed and even inconvenient to move due to degeneration, pathological changes or trauma and symptoms cannot be relieved by medicines or other treatment methods, the artificial hip joint is replaced for a patient in a general operation mode, so that the patient can recover the daily activity capacity;

the traditional acetabular replacement positioning method judges the acetabular angle according to experience and visual observation results of doctors, the accuracy of the method is not high enough, the existing positioning device has simple structure and poor stability, and the use is not safe enough, if the publication number is: the acetabular implant angle positioning device for artificial hip joint total hip replacement provided by the utility model patent of CN 204092276U is used for measuring angles through a graduated scale, but does not have a fixed structure, and is required to be placed on a plane for use, measurement failure can be caused by slight touch, and the position height cannot be effectively adjusted, so that a doctor is easy to influence after measurement in situ.

Disclosure of Invention

The utility model aims to provide an acetabular implant angle positioning device for artificial hip joint total hip replacement, which can be detached, moved, installed and fixed at any time, so that the flexibility of the device is improved, and meanwhile, the height of an angle measuring piece can be adjusted, so that the device has strong practicability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an acetabular implant angle positioner for artificial hip joint total hip replacement, includes device body, sick bed body, fixed establishment, adjustment mechanism and light filling lamp, be provided with the outer frame on the device body, outer frame both sides lower extreme is provided with the sideboard, fixed establishment sets up in the sideboard lower extreme, the device body passes through fixed establishment and sick bed body connection, adjustment mechanism sets up in outer frame center and the lower extreme is connected the angle measurement spare;

the fixing mechanism comprises a knob, a left clamping plate and a right clamping plate, wherein a first screw is fixedly connected to the inner side of the knob, the left clamping plate is arranged at the lower end of the first screw, the right clamping plate is symmetrically arranged with the left clamping plate, sliding blocks are respectively fixed on the left clamping plate and the right clamping plate, the sliding blocks are in threaded connection with the first screw, and a mounting seat is arranged on the right side of the first screw.

As a further scheme of the utility model: the adjusting mechanism comprises a fixed sleeve, a handle and an expansion joint, wherein a limit groove and a movable groove are respectively formed in the fixed sleeve, the handle is arranged at the upper end of the fixed sleeve and connected with a second screw rod at the lower end of the fixed sleeve, a bearing is arranged on the second screw rod, the expansion joint is arranged in the movable groove at the lower end of the fixed sleeve and is in threaded connection with the second screw rod, the height of the angle measuring piece can be adjusted, the accuracy of measurement of a patient can be improved conveniently, and the operation of a doctor can be increased and prevented from being influenced.

As a further scheme of the utility model: the utility model discloses a light source, outer frame inner wall both sides are provided with a plurality of groups light filling lamp, the light filling lamp is connected with external power source switch-on, is convenient for assist doctor to measure.

As a further scheme of the utility model: the left side screw thread of first screw rod is opposite with right side screw thread direction, the slider internal thread direction on left splint and the right splint is opposite, and the control left splint of being convenient for and right splint reverse motion and to carry out the centre gripping to the handrail of sick bed spare.

As a further scheme of the utility model: the side board lower extreme is equipped with the spout, first screw rod passes through the mount pad and rotates to be installed in the spout and one end extends to outside the side board, and the first screw rod of being convenient for installs, and is convenient for control first screw rod rotation through outside knob.

As a further scheme of the utility model: the telescopic joint is characterized in that protruding structures are arranged on two sides of the telescopic joint, protruding structures are arranged in the movable groove and are correspondingly inserted into the telescopic joint, and the telescopic joint is prevented from rotating.

As a further scheme of the utility model: the second screw rod passes through the limit groove and the movable groove, and the bearing is movably arranged in the limit groove, so that the second screw rod can rotate conveniently, and friction is avoided.

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

1. according to the device, the fixing mechanism is arranged in the device body, the first screw is driven to rotate through the knob, the two groups of sliding blocks respectively move towards the center of the first screw, the left clamping plate and the right clamping plate synchronously move and are fixed with the sickbed armrests, the device body can be effectively moved and fixed by the fixing mechanism, a patient can conveniently lie on the sickbed preferentially, the problem that the operation effect is influenced due to the fact that the patient is difficult to adjust the position when the device is fixed on the sickbed is avoided, and meanwhile, the stability of the device in use can be guaranteed;

2. according to the utility model, the adjusting mechanism is arranged in the device body, the rotary handle drives the second screw rod to rotate, the telescopic joint screwed on the second screw rod moves along with the fixed sleeve, the angle measuring piece moves along with the telescopic joint, the mechanism can effectively control the angle measuring piece to perform lifting movement, so that the device is convenient for patients with different sizes to use, and meanwhile, the device can be close to the lifting position after measurement, thereby avoiding affecting the vision of doctors, and increasing the practicability and reliability of the device.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a perspective view of the fixing mechanism of the present utility model;

fig. 3 is a perspective view of the adjustment mechanism of the present utility model.

In the figure: 1. a device body; 2. a sickbed body; 3. an outer frame; 4. a side plate; 5. a fixing mechanism; 51. a knob; 52. a first screw; 53. a slide block; 54. a left clamping plate; 55. a right clamping plate; 56. a mounting base; 6. an adjusting mechanism; 61. a fixed sleeve; 62. a limit groove; 63. a movable groove; 64. a handle; 65. a second screw; 66. a bearing; 67. an expansion joint; 7. an angle measuring member; 8. and a light supplementing lamp.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an artificial hip joint is acetabular implant angle positioner for total hip replacement, includes device body 1, sick bed body 2, fixed establishment 5, adjustment mechanism 6 and light filling lamp 8, be provided with outer frame 3 on the device body 1, outer frame 3 inner wall both sides are provided with a plurality of groups light filling lamp 8, light filling lamp 8 with external power conduction connection outer frame 3 both sides lower extreme is provided with side board 4, fixed establishment 5 sets up at side board 4 lower extreme, device body 1 is connected with sick bed body 2 through fixed establishment 5, adjustment mechanism 6 sets up in outer frame 3 center and the lower extreme is connected angle measurement spare 7;

the fixing mechanism 5 comprises a knob 51, a left clamping plate 54 and a right clamping plate 55, a first screw rod 52 is fixedly connected to the inner side of the knob 51, the left clamping plate 54 is arranged at the lower end of the first screw rod 52, the right clamping plate 55 is symmetrically arranged with the left clamping plate 54, sliding blocks 53 are fixedly arranged on the left clamping plate 54 and the right clamping plate 55, the sliding blocks 53 are in threaded connection with the first screw rod 52, the left side threads of the first screw rod 52 are opposite to the right side threads, the directions of the inner threads of the sliding blocks 53 on the left clamping plate 54 and the right clamping plate 55 are opposite, a mounting seat 56 is arranged on the right side of the first screw rod 52, a chute is formed in the lower end of the side plate 4, the first screw rod 52 is rotatably arranged in the chute through the mounting seat 56, one end of the first screw rod extends out of the side plate 4, the mechanism can effectively move and fix the device body 1, a patient is convenient to lie on a sickbed preferentially, and when the device is prevented from being fixed on the sickbed, the patient is difficult to adjust the position to cause the effect of the operation, meanwhile, the stability of the device in use can be ensured, and the failure of measurement caused by the touch device is avoided.

The adjusting mechanism 6 comprises a fixed sleeve 61, a handle 64 and an expansion joint 67, wherein a limit groove 62 and a movable groove 63 are respectively formed in the fixed sleeve 61, the handle 64 is arranged at the upper end of the fixed sleeve 61, the lower end of the handle is connected with a second screw rod 65, a bearing 66 is arranged on the second screw rod 65, the second screw rod 65 penetrates through the limit groove 62 and the movable groove 63, the bearing 66 is movably arranged in the limit groove 62, the expansion joint 67 is arranged in the movable groove 63 at the lower end of the fixed sleeve 61 and is in threaded connection with the second screw rod 65, protruding structures are arranged on two sides of the expansion joint 67, the protruding structures are arranged in the movable groove 63 and are correspondingly inserted with the expansion joint 67, the mechanism can effectively control the angle measuring piece 7 to perform lifting movement, is convenient for adapting to patients with different sizes, meanwhile, the lifting position after the measurement can be pressed close to the measurement, the doctor's vision is prevented from being influenced, and the practicability and the reliability of the device are increased.

The working principle of the utility model is as follows: when the device is used, firstly, the device is moved to an operating room sickbed where a patient is positioned, the device is positioned above hip joints of the patient, a left clamping plate 54 and a right clamping plate 55 are placed on handrails at two sides of a sickbed body 2, a knob 51 is rotated to drive a first screw 52 to rotate, two groups of sliding blocks 53 screwed on the first screw 52 respectively move towards the center of the first screw 52, the left clamping plate 54 and the right clamping plate 55 synchronously move and clamp and fix armrests of the sickbed body 2, at the moment, the device body 1 is fixed on the sickbed, the mechanism can effectively move and fix the device body 1, so that the patient can conveniently lie on the sickbed preferentially, and the problem that the position of the patient is difficult to adjust when the device is fixed on the sickbed, so as to influence the operation effect is avoided, simultaneously can guarantee the stability of device when using, avoided touching the device and lead to measuring failure, carry out angle measurement through angle measurement spare 7 to patient's acetabulum after the device is installed, can carry out the light filling through external power source control light filling lamp 8, avoid seeing the inaccuracy that leads to measuring result clearly, rotatory handle 64 during the measurement, it drives second screw rod 65 in movable groove 63 internal rotation, telescopic joint 67 of spiro union on second screw rod 65 is along with fixed sleeve 61 removal, angle measurement spare 7 moves along with it, this mechanism can effectively control angle measurement spare 7 and carry out elevating movement, be convenient for adapt to the patient of different stature and use, can press close to the post-measurement elevated position simultaneously, avoid influencing doctor's sight, the practicality and the reliability of device have been increased.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an artificial hip joint is acetabular implant angle positioner for total hip replacement, includes device body (1), sick bed body (2), fixed establishment (5), adjustment mechanism (6) and light filling lamp (8), its characterized in that: the device comprises a device body (1), wherein an outer frame (3) is arranged on the device body (1), side plates (4) are arranged at the lower ends of two sides of the outer frame (3), a fixing mechanism (5) is arranged at the lower ends of the side plates (4), the device body (1) is connected with a sickbed body (2) through the fixing mechanism (5), and an adjusting mechanism (6) is arranged in the center of the outer frame (3) and is connected with an angle measuring piece (7) for carrying out angle measurement on the acetabulum of a patient at the lower end;

the fixing mechanism (5) comprises a knob (51), a left clamping plate (54) and a right clamping plate (55), a first screw (52) is fixedly connected to the inner side of the knob (51), the left clamping plate (54) is arranged at the lower end of the first screw (52), the right clamping plate (55) and the left clamping plate (54) are symmetrically arranged, sliding blocks (53) are fixedly arranged on the left clamping plate (54) and the right clamping plate (55), the sliding blocks (53) are in threaded connection with the first screw (52), and mounting seats (56) are arranged on the right side of the first screw (52).

2. An acetabular implant angular positioning device for total hip arthroplasty according to claim 1, wherein: the adjusting mechanism (6) comprises a fixed sleeve (61), a handle (64) and an expansion joint (67), wherein a limiting groove (62) and a movable groove (63) are respectively formed in the fixed sleeve (61), the handle (64) is arranged at the upper end of the fixed sleeve (61) and the lower end of the handle is connected with a second screw (65), a bearing (66) is arranged on the second screw (65), and the expansion joint (67) is arranged in the movable groove (63) at the lower end of the fixed sleeve (61) and is in threaded connection with the second screw (65).

3. An acetabular implant angular positioning device for total hip arthroplasty according to claim 1, wherein: a plurality of groups of light supplementing lamps (8) are arranged on two sides of the inner wall of the outer frame (3), and the light supplementing lamps (8) are connected with an external power supply in a conducting mode.

4. An acetabular implant angular positioning device for total hip arthroplasty according to claim 1, wherein: the left side threads of the first screw (52) are opposite to the right side threads, and the directions of the inner threads of the sliding blocks (53) on the left clamping plate (54) and the right clamping plate (55) are opposite.

5. An acetabular implant angular positioning device for total hip arthroplasty according to claim 1, wherein: the lower end of the side plate (4) is provided with a chute, the first screw (52) is rotatably arranged in the chute through a mounting seat (56), and one end of the first screw extends out of the side plate (4).

6. An acetabular implant angular positioning device for total hip arthroplasty according to claim 2, wherein: protruding structures are arranged on two sides of the expansion joint (67), and protruding structures are arranged in the movable groove (63) and are correspondingly inserted into the expansion joint (67).

7. An acetabular implant angular positioning device for total hip arthroplasty according to claim 2, wherein: the second screw rod (65) penetrates through the limiting groove (62) and the movable groove (63), and the bearing (66) is movably arranged in the limiting groove (62).