CN218899828U

CN218899828U - Test mold for orthopedic surgery measurement

Info

Publication number: CN218899828U
Application number: CN202222356524.7U
Authority: CN
Inventors: 陈建龙; 韩颖
Original assignee: Suzhou Youte Maide Medical Instrument Co ltd
Current assignee: Suzhou Youte Maide Medical Instrument Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-04-25
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a test die for measuring orthopedic surgery, which relates to the field of orthopedic surgery and comprises a test die main body, wherein a groove is formed in the lower side of the test die main body, four groups of limiting plates are arranged at the inner bottom of the groove, four groups of side planes are arranged at the position, close to the bottom edge, of the outer side of the test die main body, a top through hole is formed in the middle position of the outer side of the test die main body in a penetrating manner, sliding rods are fixedly connected to the middle positions of the outer sides of the four groups of limiting plates, one ends, far away from the limiting plates, of the four groups of sliding rods are fixedly connected with an outer baffle, compression springs are sleeved on the outer sides of the four groups of sliding rods, four groups of limiting sliding holes are formed in the outer side of the test die main body in a penetrating manner, and the four groups of sliding rods are respectively connected with the test die main body in a sliding manner through the limiting sliding holes; the utility model can conveniently and quickly position and mount the femoral heads with different specifications and sizes, has wider application range, is convenient for non-contact mounting and dismounting of test molds, and has stronger mounting stability.

Description

Test mold for orthopedic surgery measurement

Technical Field

The utility model relates to the field of bone surgery, in particular to a test mold for bone surgery measurement.

Background

The hip joint consists of a femoral head and an acetabular articular surface, and hip arthroplasty includes both total and semi-hip arthroplasties. Total hip replacement refers to the total replacement of the femur and acetabular articular surfaces, while half hip replacement refers to the replacement of only the femur. The replacement of the human hip joint prosthesis is an effective means for treating the hip joint diseases, and in the operation process of the bone surgery, the selection of the correct placement position of the acetabular cup prosthesis and the acetabular cup prosthesis which is suitable for the anatomical size of bones of patients are indispensable key steps, and the acetabular cup test model also becomes a necessary surgical instrument.

Through retrieving, in the patent of chinese patent No. CN201921486014.3, an outer cup prosthesis test mold and a bipolar head prosthesis test mold assembly are disclosed, through setting the outer cup prosthesis test mold to a deformable structure, the assembly process of the femoral head prosthesis test mold and the outer cup prosthesis test mold is simplified, the quick assembly and disassembly of the femoral head prosthesis test mold and the outer cup prosthesis test mold are realized, simultaneously the locking part prevents the femoral head prosthesis test mold from being separated from the outer cup prosthesis test mold, ensures the reliability of use, but generally only can install the femoral head of a specific specification and size, the application range is small, the test mold is inconvenient to install and detach, and the installation stability is poor.

Disclosure of Invention

The utility model aims to provide a test die for orthopedic surgery measurement, which aims to solve the problems that the test die is small in application range, inconvenient to install and detach and poor in installation stability, and only femoral heads with specific specifications and sizes can be installed under the general conditions in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a bone surgery is examination mould for measurement, includes examination mould main part, the downside of examination mould main part is seted up flutedly, the interior bottom of recess is provided with four sets of limiting boards, the lateral surface of examination mould main part is close to bottom edge position and is provided with four sets of side planes, the lateral surface intermediate position of examination mould main part runs through and has seted up the top through-hole.

As a further scheme of the utility model, the middle positions of the outer sides of the four groups of limiting plates are fixedly connected with sliding rods, one ends of the four groups of sliding rods, which are far away from the limiting plates, are fixedly connected with outer baffles, the outer sides of the four groups of sliding rods are respectively sleeved with a compression spring, and the outer side surface of the test die main body is close to the bottom and is provided with four groups of limiting sliding holes in a penetrating mode.

As a further scheme of the utility model, four groups of sliding rods are respectively connected with the test die main body in a sliding manner through limiting sliding holes, four groups of outer baffles are positioned outside the test die main body, and four groups of compression springs are positioned inside the grooves.

As a further scheme of the utility model, the cross-sectional shapes of the four groups of limiting plates are all arc-shaped, and the four groups of limiting plates, the four groups of sliding rods and the four groups of outer baffles are all symmetrically arranged about the top through holes, and the cross-sectional shapes of the four groups of sliding rods are square.

As a further scheme of the utility model, a plurality of groups of first clamping holes are formed in the outer side face of the test die main body and located at the outer side of the top through hole in a penetrating mode, and a plurality of groups of second clamping holes are formed in the lower surface of the test die main body in a penetrating mode.

As a further scheme of the utility model, a plurality of groups of first clamping holes and a plurality of groups of second clamping holes are symmetrically arranged about the center of the top through hole, and the shapes of four groups of side planes are all fan-shaped.

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

1. when the femoral head is arranged at the bottom in the groove of the test die main body, the four groups of limiting plates are respectively matched with the limiting sliding holes and the outer baffle plate through the compression springs and the sliding rods to move relatively until the four groups of limiting plates are tightly attached to the outer side face of the femoral head, so that the femoral head with different specifications and sizes can be conveniently positioned and installed, and the application range is wider.

2. Through top through-hole and a plurality of first centre gripping hole cooperation tweezers of group in order to follow the outside of examination mould main part and carry out the centre gripping to the examination mould, rethread a plurality of second centre gripping hole cooperation tweezers are in order to follow the downside of examination mould main part and carry out the centre gripping to the examination mould, and the outside of examination mould main part is close to the bottom simultaneously and is provided with four fan-shaped side planes of group and four outer baffles of group, makes things convenient for the contactless installation and the dismantlement of examination mould, and the installation stability is stronger.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view of the structure of the test body according to the present utility model.

Fig. 3 is a schematic diagram of a distribution structure of a limiting plate in the present utility model.

Fig. 4 is a schematic bottom view of the present utility model.

In the figure: 1. a test main body; 2. a limiting plate; 3. a slide bar; 4. an outer baffle; 5. a compression spring; 6. limiting the sliding hole; 7. a side plane; 8. a top through hole; 9. a first clamping hole; 10. a second clamping hole; 11. a groove.

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.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a bone surgery is measured and is used examination mould, includes examination mould main part 1, and recess 11 has been seted up to the downside of examination mould main part 1, and the interior bottom of recess 11 is provided with four sets of limiting boards 2, and the lateral surface of examination mould main part 1 is close to bottom marginal position and is provided with four sets of side planes 7, and the lateral surface intermediate position of examination mould main part 1 runs through and has seted up top through-hole 8;

referring to fig. 1, 3 and 4, the middle positions of the outer sides of four groups of limiting plates 2 are fixedly connected with sliding rods 3, one ends of the four groups of sliding rods 3 far away from the limiting plates 2 are fixedly connected with outer baffle plates 4, compression springs 5 are sleeved on the outer sides of the four groups of sliding rods 3, the outer side faces of the test die main body 1 are close to the bottom, four groups of limiting sliding holes 6 are formed in a penetrating mode, the four groups of sliding rods 3 are respectively connected with the test die main body 1 in a sliding mode through the limiting sliding holes 6, the four groups of outer baffle plates 4 are located on the outer side of the test die main body 1, the four groups of compression springs 5 are located in grooves 11, the cross section shapes of the four groups of limiting plates 2 are in arc-shaped, the four groups of limiting plates 2, the four groups of sliding rods 3 and the four groups of outer baffle plates 4 are symmetrically arranged about a top through hole 8, and the cross section shapes of the four groups of sliding rods 3 are in square arrangement;

specifically, when the femoral head is arranged at the bottom in the groove 11 of the test die main body 1, the four groups of limiting plates 2 are respectively matched with the limiting sliding holes 6 and the outer baffle 4 through the compression springs 5 and the sliding rods 3 to move relatively until the four groups of limiting plates 2 are tightly attached to the outer side surface of the femoral head, so that the femoral head with different specifications and sizes can be conveniently positioned and installed, and the application range is wider.

Example 2:

the embodiment is shown with reference to fig. 1 and 2, and the utility model provides a technical scheme: the outer side surface of the test die main body 1 and positioned at the outer side of the top through hole 8 are penetrated and provided with a plurality of groups of first clamping holes 9, the lower surface of the test die main body 1 is penetrated and provided with a plurality of groups of second clamping holes 10, the plurality of groups of first clamping holes 9 and the plurality of groups of second clamping holes 10 are symmetrically arranged about the center of the top through hole 8, and the shapes of the four groups of side planes 7 are fan-shaped;

specifically, through top through hole 8 and the first centre gripping hole 9 cooperation tweezers of a plurality of groups in order to follow the outside of examination mould main part 1 to the centre gripping of examination mould, the rethread second centre gripping hole 10 cooperation tweezers of a plurality of groups are in order to follow the downside of examination mould main part 1 to the centre gripping of examination mould, and the outside of examination mould main part 1 is close to the bottom and is provided with four fan-shaped side planes 7 of group and four outer baffles 4 simultaneously, makes things convenient for the contactless installation and the dismantlement of examination mould, and the installation stability is stronger.

Working principle: for the utility model, firstly, medical staff clamps the test mould from the outer side of the test mould main body 1 through the jacking through holes 8 and the first clamping holes 9, and then clamps the test mould from the lower side of the test mould main body 1 through the second clamping holes 10 and the tweezers, meanwhile, four groups of fan-shaped side planes 7 and four groups of outer baffles 4 are arranged on the outer side of the test mould main body 1 near the bottom, so that the test mould is convenient to install and disassemble in a non-contact way, has stronger installation stability and is not easy to shake, and when the femoral head is arranged at the inner bottom of the groove 11 of the test mould main body 1, the four groups of limiting plates 2 are respectively matched with the limiting sliding holes 6 and the outer baffles 4 through the compression springs 5 and the sliding rods 3 to move relatively until the four groups of limiting plates 2 are tightly attached to the outer side surfaces of the femoral head, and the femoral head with different specifications can be conveniently positioned and installed, so that the operation is completed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a bone surgery is examination mould for measurement, includes examination mould main part (1), its characterized in that, recess (11) are seted up to the downside of examination mould main part (1), the interior bottom of recess (11) is provided with four group's limiting board (2), the lateral surface of examination mould main part (1) is close to bottom edge position and is provided with four group's side planes (7), top through-hole (8) have been run through to the lateral surface intermediate position of examination mould main part (1).

2. The bone surgery measurement test die according to claim 1, wherein the outer middle positions of the four groups of limiting plates (2) are fixedly connected with sliding rods (3), one ends of the four groups of sliding rods (3) far away from the limiting plates (2) are fixedly connected with outer baffle plates (4), the outer sides of the four groups of sliding rods (3) are sleeved with compression springs (5), and the outer side surface of the test die main body (1) is close to the bottom and is penetrated with four groups of limiting sliding holes (6).

3. The bone surgery measurement test die according to claim 2, wherein four groups of sliding rods (3) are respectively connected with the test die main body (1) in a sliding manner through limiting sliding holes (6), four groups of outer baffles (4) are respectively positioned outside the test die main body (1), and four groups of compression springs (5) are respectively positioned inside the grooves (11).

4. The bone surgery measurement test die according to claim 1, wherein the four groups of limiting plates (2) are all arc-shaped in cross-sectional shape, the four groups of limiting plates (2), the four groups of sliding rods (3) and the four groups of outer baffles (4) are all symmetrically arranged about the top through hole (8), and the four groups of sliding rods (3) are square in cross-sectional shape.

5. The bone surgery measurement test die according to claim 1, wherein a plurality of groups of first clamping holes (9) are formed in the outer side face of the test die main body (1) and located on the outer side of the top through hole (8), and a plurality of groups of second clamping holes (10) are formed in the lower surface of the test die main body (1) in a penetrating mode.

6. The bone surgery measurement test die according to claim 5, wherein the first clamping holes (9) and the second clamping holes (10) are arranged symmetrically with respect to the center of the top through hole (8), and the side planes (7) are fan-shaped.