CN219480355U - Tibia osteotomy angle measuring device in total knee arthroplasty - Google Patents

Abstract

The utility model discloses a tibia osteotomy angle measuring device in total knee arthroplasty, which belongs to the technical field of medical equipment and comprises a support frame, wherein a positioning box is fixedly arranged on the side surface of the support frame, a rotating shaft is rotatably connected in the positioning box, two ends of the rotating shaft penetrate through the positioning box and extend to the outside, so that a worm and gear can be driven by a first handle to rotate, the rotating shaft drives a transverse plate to conduct angle adjustment, the transverse plate is further attached to the thigh of a patient, the measuring plate is further rotated by a circular hinge part of a fixing block, the measuring plate is attached to the calf surface of the patient, then a second handle is driven to drive a moving plate to move on the first threaded rod surface, a marking plate at the bottom of a guide plate is further moved to the tibia osteotomy position, and a finger plate on the surface of the measuring plate is designated to measure the angle of the tibia osteotomy angle.

Description

Tibia osteotomy angle measuring device in total knee arthroplasty

Technical Field

The utility model relates to a tibia osteotomy angle measuring device, in particular to a tibia osteotomy angle measuring device in total knee arthroplasty, and belongs to the technical field of medical appliances.

Background

The high-level tibia osteotomy is also called as high-level tibia osteotomy, and is mainly used for treating osteoarthritis, and has the advantages that the method for treating osteoarthritis by the knee joint is reserved, namely joint replacement is not carried out on the knee joint, and the main effect is to correct the existing abnormal force lines by changing the stress of the knee joint so as to achieve the purpose of treatment.

When the existing medical staff performs high-level tibia osteotomy on a patient, the staff is required to measure the tibia, and thighs and shanks of the patient are in a bending state, so that errors are easy to generate in the existing tibia osteotomy angle measuring device.

The tibial osteotomy angle measurement device for total knee arthroplasty is designed and manufactured to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a tibia osteotomy angle measuring device in total knee arthroplasty, which can realize angle adjustment of a transverse plate and a measuring plate, so that the transverse plate and the measuring plate are respectively attached to thighs and shanks of patients, the accuracy of tibia is improved, and the technical problem that the thighs and shanks of the patients are in a bending state in the prior art, and errors are easy to generate in the existing tibia osteotomy angle measuring device is solved.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a shin bone angle measuring device in total knee arthroplasty, includes the support frame, the side fixed mounting of support frame has the locating box, the inside rotation of locating box is connected with the axis of rotation, the both ends of axis of rotation run through the locating box and extend to outside, the fixed connection has the diaphragm of running through of axis of rotation, the one end fixed mounting of diaphragm has the angle square, just the fixed surface of diaphragm installs the fixed block, the surface both sides rotation of locating box are connected with same measurement board, the rectangular channel has been seted up to the bottom of measurement board, the inside rotation of rectangular channel is connected with first threaded rod, the surface threaded connection of first threaded rod has the movable block, just the bottom fixed mounting of movable block has the guide block, the bottom rotation of guide block is connected with the marking plate.

Further, the inside of locating box is provided with the worm wheel, the surface of worm wheel fixed mounting axis of rotation just surface one side meshing of worm wheel is connected with the worm, the inner wall of locating box is connected in the worm rotation, the top of locating box rotates and is connected with first handle, the one end of first handle fixed connection worm.

Further, the surface of the measuring plate is fixedly provided with a finger plate, and the finger plate is positioned on one side of the angle measuring ruler.

Further, the side face of the measuring plate is rotatably connected with a second handle, and the second handle is fixedly connected with one end of the first threaded rod.

Further, the size of the moving block is matched with the size of the rectangular groove.

Further, the surface of the measuring plate is attached with scale marks.

Further, the top corner of the first handle is in a chamfer setting.

Compared with the prior art, the utility model has the beneficial effects that: through first handle drive worm gear to the axis of rotation drives the diaphragm and carries out angle modulation, and then the diaphragm laminating patient's thigh, and the rethread measures the articulated department of board with the fixed block and rotates for circularly, thereby measures the shank surface of board laminating patient, drives the movable plate through the drive second handle and removes on first threaded rod surface afterwards, and then the marking plate of deflector bottom carries out the position and removes, thereby removes the marking plate to the tibia osteotomy position, and the finger faller on measuring the board surface appoints the angle chi surface, reaches the tibia osteotomy angle measurement purpose.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

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 view of the overall structure of a tibial osteotomy angle measurement device for total knee arthroplasty in accordance with a preferred embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a tibial osteotomy angle measurement device positioning case in a total knee arthroplasty procedure in accordance with a preferred embodiment of the present utility model;

fig. 3 is a schematic perspective view of a tibial osteotomy angle measurement device measurement plate for total knee replacement surgery in accordance with a preferred embodiment of the present utility model.

In the figure: 1. a support frame; 2. a positioning box; 3. a rotating shaft; 4. a cross plate; 5. a measuring angle ruler; 6. a fixed block; 7. a measuring plate; 8. rectangular grooves; 9. a first threaded rod; 10. a moving block; 11. a guide block; 12. a marking plate; 13. a worm wheel; 14. a worm; 15. a first handle; 16. a finger plate; 17. a second handle; 18. graduation marks.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, the tibial osteotomy angle measuring device in total knee arthroplasty that this embodiment provided, including support frame 1, the side fixed mounting of support frame 1 has locating box 2, the inside rotation of locating box 2 is connected with axis of rotation 3, the both ends of axis of rotation 3 run through locating box 2 and extend to the outside, the end fixedly connected with diaphragm 4 of axis of rotation 3, the one end fixed mounting of diaphragm 4 has measurement angle square 5, and the fixed surface mounting of diaphragm 4 has fixed block 6, the surface both sides rotation of locating box 2 are connected with same measuring plate 7, rectangular slot 8 has been seted up to the bottom of measuring plate 7, the inside rotation of rectangular slot 8 is connected with first threaded rod 9, the surface threaded connection of first threaded rod 9 has movable block 10, and the bottom fixed mounting of movable block 10 has guide block 11, the bottom rotation of guide block 11 is connected with marking plate 12, the side rotation of measuring plate 7 is connected with second handle 17, the one end of first threaded rod 9 is connected with to the fixed surface mounting of measuring plate 7 has the finger plate 16, and finger plate 16 is located one side of measurement angle square 5, thereby the measuring plate 16 carries out the mark angle square 5 through the second handle 17 drive first threaded rod 9 to the measuring plate surface position, and then carries out the measuring angle square 12 to the measuring plate surface position through the inside rotation of movable block 10, thereby the surface threaded connection has the marking plate 12 to the tibia plate 12.

In this embodiment, as shown in fig. 1-3, a worm wheel 13 is disposed in the positioning box 2, the worm wheel 13 is fixedly mounted on the surface of the rotating shaft 3, one side of the surface of the worm wheel 13 is engaged with and connected with a worm 14, the worm 14 is rotationally connected with the inner wall of the positioning box 2, the top of the positioning box 2 is rotationally connected with a first handle 15, one end of the first handle 15 is fixedly connected with the worm 14, a worker drives the worm 14 to rotate through rotating the first handle 15, so that the worm 14 rotates to drive the worm wheel 13 to rotate, the worm wheel 13 rotates to drive the rotating shaft 3 to rotate, and then the rotating shaft 3 rotates to drive the transverse plate 4 to perform angle adjustment, and the transverse plate 4 is attached to the inclination angle of the thigh.

Preferably, the size of movable block 10 and the size phase-match of rectangular channel 8 avoid movable block 10 to rock about the inside of rectangular channel 8, and the surface laminating scale mark 18 of measurement board 7 is convenient for medical personnel observe the mobile position of mark board 12, and the top corner of first handle 15 is the chamfer setting, avoids first handle 15 top sharp-pointed causing the damage to the staff hand.

The application principle and the application flow of the utility model are as follows: the staff rotates through rotating first handle 15 drive worm 14 to worm 14 rotates and drives worm wheel 13 and rotate, worm wheel 13 rotates and drives axis of rotation 3 and rotate, and then axis of rotation 3 rotates and drives diaphragm 4 and carry out angle modulation, thereby diaphragm 4 laminating thigh's inclination, measurement board 7 rotates for the circular articulated department of fixed block 6 afterwards, thereby measurement board 7 laminating patient's shank surface, and then measurement board 7 surperficial index plate 16 appoints angle ruler 5 surface, then drive first threaded rod 9 through driving second handle 17 and rotate, thereby first threaded rod 9 rotates and drives the guide block 11 of movable block 10 bottom and remove, and then the marking board 12 of guide plate bottom carries out the position movement, thereby remove marking board 12 to the tibia osteotomy position.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims (7)

1. The utility model provides a shin bone angle measuring device in full knee joint replacement art, its characterized in that, including support frame (1), the side fixed mounting of support frame (1) has locating box (2), the inside rotation of locating box (2) is connected with axis of rotation (3), the both ends of axis of rotation (3) run through locating box (2) and extend to outside, the fixed connection diaphragm (4) of penetrating end of axis of rotation (3), the one end fixed mounting of diaphragm (4) has measurement angle square (5), just the fixed surface of diaphragm (4) installs fixed block (6), the surface both sides rotation of locating box (2) is connected with same measuring board (7), rectangular channel (8) have been seted up to the bottom of measuring board (7), the inside rotation of rectangular channel (8) is connected with first threaded rod (9), the surface threaded connection of first threaded rod (9) has movable block (10), just the bottom fixed mounting of movable block (10) has guide block (11), the bottom rotation of guide block (11) is connected with marking board (12).

2. The tibia osteotomy angle measurement device in total knee arthroplasty according to claim 1, wherein a worm wheel (13) is arranged in the positioning box (2), the worm wheel (13) is fixedly arranged on the surface of the rotating shaft (3), one side of the surface of the worm wheel (13) is connected with a worm (14) in a meshed manner, the worm (14) is rotationally connected with the inner wall of the positioning box (2), the top of the positioning box (2) is rotationally connected with a first handle (15), and the first handle (15) is fixedly connected with one end of the worm (14).

3. The tibia osteotomy angle measurement device for total knee replacement as claimed in claim 1, wherein the surface of the measurement plate (7) is fixedly provided with a finger plate (16), and the finger plate (16) is positioned on one side of the angle measuring ruler (5).

4. The tibia osteotomy angle measuring device for total knee arthroplasty according to claim 1, wherein the side of the measuring plate (7) is rotatably connected with a second handle (17), and the second handle (17) is fixedly connected with one end of the first threaded rod (9).

5. A tibial osteotomy angle measurement device in total knee replacement as in claim 1, wherein the size of the moving block (10) matches the size of the rectangular slot (8).

6. A tibial osteotomy angle measurement device in total knee replacement as in claim 1, wherein the surface of the measurement plate (7) is lined with graduation marks (18).

7. A tibial osteotomy angle measurement device in total knee replacement as in claim 2, wherein the top corners of the first handle (15) are chamfered.