CN219846975U

CN219846975U - Hip joint acetabular prosthesis angle measuring device

Info

Publication number: CN219846975U
Application number: CN202321128828.6U
Authority: CN
Inventors: 王伟超; 颜冰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-10-20
Anticipated expiration: 2033-05-11

Abstract

The utility model belongs to the technical field of angle measuring devices, in particular to a hip joint acetabular prosthesis angle measuring device which comprises a positioning rod, a positioning extension rod and a gravity pointer disc, wherein the positioning extension rod and the gravity pointer disc are inserted into one end of the positioning rod, the right end of the positioning rod is provided with an arc dial, one end of the arc dial is in threaded connection with a fixing knob B, the arc dial is fixedly connected with the positioning rod through the fixing knob B, one side of the surface of the positioning rod is fixedly connected with a fixing platform, and the gravity pointer disc and the arc dial are arranged for accurate reading, so that related operation can be directly carried out after the angle is met, errors caused by angle calculation and multi-step operation are reduced, the operation efficiency is improved, the device is simple and portable in structure, can be used by hands after simple learning, and is convenient to operate and convenient to use.

Description

Hip joint acetabular prosthesis angle measuring device

Technical Field

The utility model belongs to the technical field of angle measuring devices, and particularly relates to an angle measuring device for an acetabular prosthesis of an hip joint.

Background

Artificial total acetabular replacement has been widely accepted for use in joint replacement surgery in the late stages of acetabular disease. The acetabular cup and the femoral prosthesis component are important components of the artificial acetabulum, and the placement angle directly influences the stability, the mobility, the comfort level of a patient and the service life of the artificial joint of the whole artificial acetabulum;

among them, there are various acetabular angle measuring devices in the prior art, and the chinese patent application No. 202021319465.0, for example, discloses an acetabular angle measuring device in artificial acetabulum surgery, which comprises: a tilt angle measuring instrument; the bottom of the connecting bracket is connected with the upper part of the inclination angle measuring instrument; the compass assembly is fixedly arranged at the top of the connecting bracket and the like; when the acetabulum angle is measured, the measuring device is closely arranged on a connecting rod used in an operation, the forward inclination angle is measured through the inclination angle measuring instrument, and the abduction angle is measured through the compass assembly, so that the forward inclination angle and the abduction angle of the acetabulum can be measured simultaneously, and compared with the prior art which depends on visual judgment, the measuring efficiency can be improved, subjective influence caused by visual judgment can be avoided, and the technical effects of measuring accuracy, reliability and the like can be greatly improved;

however, the above scheme still has the inconvenience, the scheme is inconvenient and adjustable, the operation is complex for a beginner of the operation, the operation is inconvenient to use better, the operation cannot be performed simultaneously while the angle is measured, the operation rhythm is influenced, and the operation time is prolonged.

In order to solve the problems, the utility model provides an angle measuring device of an acetabular prosthesis of a hip joint.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides an angle measuring device for a hip joint acetabular prosthesis, which has the characteristics of convenient positioning, convenient use and convenient adjustment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hip joint acetabular prosthesis angle measurement device, is in including locating lever and grafting location extension rod and gravity pointer dish in the locating lever one end, the arc calibrated scale is installed to the right-hand member of locating lever, the one end spiro union of arc calibrated scale have fixed knob B, and the arc calibrated scale pass through fixed knob B with locating lever fixed connection, fixed platform is connected to surface one side fixed connection of locating lever, fixed platform surface mounting has the angle rotator, the recess internal rotation of angle rotator is connected with the regulation pole, the tail end of regulation pole with gravity pointer dish fixed connection, the fixed arc fixed slot that is equipped with fixed acetabular file pole in surface one side of regulation pole.

As the preferable hip joint acetabular prosthesis angle measuring device, the arc-shaped dial is of an arc-shaped structure, scale marks are arranged at the inner side and the outer side of the arc-shaped dial, and the sequence directions of the scale marks are opposite.

As a preferable aspect of the hip-joint acetabular prosthesis angle measurement device of the utility model, the angle rotator is rotatably connected with the fixed platform through a rotating shaft installed in the fixed platform, and a positioning bolt is screwed on the surface of the fixed platform at a position corresponding to the rotating shaft.

As a preferable aspect of the hip joint acetabular prosthesis angle measurement device of the utility model, a fixing knob a is screwed on the surface of the positioning rod at a position corresponding to the positioning extension rod, and one end of the fixing knob a inserted into the positioning rod is abutted against the surface of the positioning extension rod.

As a preferable aspect of the hip-joint acetabular prosthesis angle measurement device of the utility model, the fixing knob B is symmetrically distributed on both sides of the surface of the arc dial.

As an angle measuring device of the hip joint acetabular prosthesis according to the present utility model, preferably, the gravity finger plate is detachably fixed to the adjusting rod by an external bolt, and a pointer of the gravity finger plate is constantly perpendicular to the ground.

As a preferable aspect of the hip-joint acetabular prosthesis angle measurement device of the utility model, a horizontal angle pointer is attached to a surface of the adjusting rod by a fixing screw, and the horizontal angle pointer is rotatable along the fixing screw.

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

compared with the prior art, the utility model has the beneficial effects that: the angle measuring device is provided with the positioning rod for positioning the longitudinal axis of the patient body so as to facilitate the measurement of the subsequent acetabulum related angle, and the gravity pointer disc and the arc dial are arranged for accurate reading, so that the angle measuring device can directly perform related operation after meeting the expected angle, reduce errors caused by angle calculation and multi-step operation, improve the operation efficiency, has a simple and light structure, can be used by hands after simple learning, and is convenient to operate and use.

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 schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

in the figure:

1. positioning an extension rod; 2. fixing the knob A; 3. a positioning rod; 4. fixing a knob B; 5. an arc dial; 6. an adjusting rod; 7. an arc-shaped fixing groove; 8. gravity pointer disc; 9. a horizontal angle pointer; 10. an angle rotator; 11. a fixed platform; 12. and (5) fixing a screw.

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.

As shown in fig. 1 and 3;

the utility model provides an acetabular prosthesis angle measuring device, including locating lever 3 and grafting location extension rod 1 and gravity finger dial 8 in locating lever 3 one end, arc calibrated scale 5 is installed to the right-hand member of locating lever 3, the one end spiro union of arc calibrated scale 5 has fixed knob B4, and arc calibrated scale 5 passes through fixed knob B4 and locating lever 3 fixed connection, fixed platform 11 is fixed to surface side fixed connection of locating lever 3, fixed platform 11 surface mounting has angle rotator 10, angle rotator 10's recess swivelling joint has regulation pole 6, the tail end and the fixed connection of gravity finger dial 8 of regulation pole 6, the fixed arc fixed slot 7 that is equipped with fixed acetabular file pole in surface one side of regulation pole 6, arc calibrated scale 5 is arc structure, arc calibrated scale 5 is interior, outside arc limit department all is provided with the scale mark, and the sequence opposite direction of scale mark is according to needs with locating lever 3 with fixed platform 11 and arc calibrated scale 5 looks, place on the operation side hip joint, place whole device level, fixed platform 3 is parallel with patient's health back, with grinding the required vertical axis, with grinding acetabular bone bed, angle rotator 10, then rotate the rotation pole 6, the fixed pointer 7 is fixed in the fixed angle finger dial 7 of rotation axis, then the level pointer 9 is easy to be equipped with in the level pointer 9, the level pointer 9 is moved about in the movable pointer angle is convenient for the time, the level pointer is moved about, the movable pointer 9 is moved about, the angle is convenient, then the movable pointer 9 is moved about, the level pointer is moved about, the position.

Specifically, as can be seen from fig. 1 and 2, in this embodiment, fixing knobs B4 are provided at both ends of the arc-shaped dial 5, so that the positioning rod 3 can be fixed to a desired side according to the operation plan.

Specifically, as can be seen from fig. 1 and 3, in this embodiment, the horizontal angle pointer 9 is connected to the adjusting rod 6 by a fixing screw 12, so that the vertical movement of the horizontal angle pointer 9 can be realized, and the setting is convenient for adjusting and reading.

It should be noted that: the parts not described in detail in this embodiment are all existing structural parts in the related art, are well known to those skilled in the related art, and the specific parts or slots in this embodiment are commercially available or custom-made.

The working principle and the using flow of the utility model are as follows: when in use, a patient is firstly placed in the lateral position standard body position of the artificial hip joint replacement operation, and the prosthesis angle measuring device is placed according to the difference of the left side and the right side of the patient. If the patient replaces the right hip joint, a left recumbent position is selected, in which the positioning rod 3 is connected to the left side of the arc dial 5, while the fixation platform 11 is fixed to the right side of the positioning rod 3. If the patient replaces the left hip joint and selects the right recumbent position, the positioning rod 3 is connected to the right side of the arc dial 5 in the right recumbent position, and the fixing platform 11 is fixed to the left side of the positioning rod 3. The positioning rod 3 is fixed with the arc dial 5 through a fixed knob B4, and the fixed platform 11 is fixed with the positioning rod 3 through a fixed knob A2. The extension rod 1 is pulled to be parallel to the longitudinal axis of the body or the coronal plane of the pelvis, the acetabular file operating rod is fixed on the arc-shaped fixing groove 7, the acetabular file operating rod is adjusted in the left-right direction, the adjusting rod 6 and the horizontal angle pointer 9 are driven to move, and the number of angles indicated by the horizontal angle pointer 9 on the arc-shaped dial 5, namely the acetabular anteversion angle, is read. The acetabular file operating rod is adjusted in the up-down direction to drive the movable adjusting rod 6 to move, so that the gravity pointer disc 8 is enabled to move in a pointer mode, and at the moment, the angle pointed by the pointer in the gravity pointer disc 8 is the abduction angle of the acetabulum. According to the state of illness or the need of a patient, the direction and the angle are adjusted to a satisfactory angle, and the grinding and filing of the acetabular bone and the installation of the acetabular prosthesis are carried out, so that the satisfactory angle and the satisfactory position for placing the acetabular prosthesis can be obtained.

Finally, it should be noted that: the foregoing description 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 modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. 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 a hip joint acetabular prosthesis angle measurement device, includes locating lever (3) and peg graft location extension rod (1) and gravity pointer dish (8) in locating lever (3) one end, its characterized in that: the right-hand member of locating lever (3) install arc calibrated scale (5), the one end spiro union of arc calibrated scale (5) have fixed knob B (4), and arc calibrated scale (5) pass through fixed knob B (4) with locating lever (3) fixed connection, fixed platform (11) are connected to surface one side fixed of locating lever (3), fixed platform (11) surface mounting has angle rotator (10), the recess internal rotation of angle rotator (10) is connected with regulation pole (6), the tail end of regulation pole (6) with gravity pointer dish (8) fixed connection, the arc fixed slot (7) of fixed acetabular bone file pole are fixed to surface one side of regulation pole (6).

2. The hip acetabular prosthesis angle measurement device of claim 1, wherein: the arc dial (5) is of an arc structure, scale marks are arranged at the inner side and the outer side of the arc dial (5) and are opposite in sequence direction.

3. The hip acetabular prosthesis angle measurement device of claim 1, wherein: the angle rotator (10) is rotationally connected with the fixed platform (11) through a rotating shaft arranged in the fixed platform (11), and a positioning bolt is screwed at the position of the surface of the fixed platform (11) corresponding to the rotating shaft.

4. The hip acetabular prosthesis angle measurement device of claim 1, wherein: the positioning rod (3) is in threaded connection with a fixing knob A (2) at the position corresponding to the positioning extension rod (1), and one end of the fixing knob A (2) inserted into the positioning rod (3) is abutted to the surface of the positioning extension rod (1).

5. The hip acetabular prosthesis angle measurement device of claim 1, wherein: the fixed knob B (4) is symmetrically distributed on two sides of the surface of the arc dial (5).

6. The hip acetabular prosthesis angle measurement device of claim 1, wherein: the gravity pointer disc (8) is detachably fixed with the adjusting rod (6) through an external bolt, and the pointer of the gravity pointer disc (8) is constantly vertical to the ground.

7. The hip acetabular prosthesis angle measurement device of claim 1, wherein: the surface of the adjusting rod (6) is provided with a horizontal angle pointer (9) through a fixing screw (12), and the horizontal angle pointer (9) can rotate along the fixing screw (12).