CN215228853U

CN215228853U - Femur neck test mould structure

Info

Publication number: CN215228853U
Application number: CN202121852346.6U
Authority: CN
Inventors: 杜永凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-12-21
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses a thighbone neck examination mould structure, including the thighbone false body, thighbone false body top is provided with the inside lining, and the inside lining top is provided with the acetabular cup, and thighbone false body bottom movable mounting has the stiff end, and stiff end bottom movable mounting has the installation end, and stiff end bottom surface movable mounting has the dead lever, and dead lever one end runs through installation end and thighbone body and extends to the thighbone body outside on the surface, and installation end bottom movable mounting has the thighbone handle, and installation end and thighbone handle all set up in the thighbone originally internally. This thighbone neck examination mould structure through the individual connection of each part, detachable connected mode avoids taking place because of the condition that local part became invalid and lead to overall structure to become invalid, connects femoral head prosthesis, stiff end and femoral head body through the dead lever, consolidates the whole, prevents not hard up, installs the spring shock attenuation additional in installation end and femoral stem simultaneously, reduces because of the high strength moves the influence to examination mould and bone.

Description

Femur neck test mould structure

Technical Field

The utility model relates to the technical field of medical equipment, specifically a thighbone neck examination mould structure.

Background

The neck of femur is from the femoral head, which is mainly manifested by hip pain, tenderness near the midpoint of groin and percussion pain of longitudinal axis, to the base of the neck of femur, and fracture of neck femur is the most common injury of hip, and the onset of fracture is second to that of fracture of distal radius in general fracture. The fracture is caused by careless fall during walking, the hip is landed, and the hip is painful after injury, and the patient cannot stand or walk. The fracture of femoral neck of young people is caused by violent violence such as car accidents or high-altitude falling injury. Most of the femoral neck fractures are more significantly displaced and because of the greater leverage at this location, the fractures are unstable and, therefore, most require surgical treatment.

At present, the most formula designs as an organic whole of current thighbone neck examination mould, and this structure is in the effect of using because of the uneven scheduling factor of atress, if the condition such as neck fracture of its individual position fracture appears, then will lead to its whole function of structure to become invalid, sometimes thighbone neck fracture postoperative resets, internal fixation, healing is all very smooth simultaneously, and doctor's patient is all very satisfied, causes the patient to be can make consciousness sometimes and beat or high strength action, causes the influence to the examination mould, causes the influence to the bone simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a thighbone neck examination mould structure wholly can dismantle, increases the spring and carries out the shock attenuation, reduces because of the high strength moves the influence to examination mould and bone.

In order to achieve the above object, the present invention provides the following technical solutions: the femoral neck trial model structure comprises a femoral head prosthesis, wherein a lining is arranged at the top of the femoral head prosthesis, an acetabular cup is arranged at the top of the lining, a fixed end is movably mounted at the bottom of the femoral head prosthesis, a mounting end is movably mounted at the bottom of the fixed end, a fixed rod is movably mounted on the bottom surface of the fixed end, one end of the fixed rod penetrates through the mounting end and the femoral head body and extends to the outer side surface of the femoral head body, a femoral stem is movably mounted at the bottom of the mounting end, and the mounting end and the femoral stem are both arranged in the femoral head body.

Preferably, a plurality of insertion rods are arranged on the inner side of the acetabular cup, the insertion rods penetrate through the lining and extend into the femoral head prosthesis, the femoral head prosthesis is spherical, and the lining and the acetabular cup are semicircular.

Preferably, one end of the fixing rod, which is positioned on the outer side surface of the femoral head body, is fixedly connected with a fixing block.

Preferably, the fixed end, the fixed rod and the fixed block are coaxial.

Preferably, the top of the femoral stem is in threaded connection with a connecting rod, a threaded shaft is arranged on the connecting rod, a mounting groove is formed in the bottom surface of the mounting end, and the threaded shaft is in threaded connection with the mounting groove.

Preferably, a spring is placed in the mounting groove at the top part of the threaded shaft.

In the technical scheme, the utility model provides a pair of thighbone neck examination mould structure possesses following beneficial effect: this thighbone neck examination mould structure through the individual connection of each part, detachable connected mode avoids taking place because of the condition that local part became invalid and lead to overall structure to become invalid, connects femoral head prosthesis, stiff end and femoral head body through the dead lever, consolidates the whole, prevents not hard up, installs the spring shock attenuation additional in installation end and femoral stem simultaneously, reduces because of the high strength moves the influence to examination mould and bone.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural diagram of an entire test mold structure provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram illustrating the expansion of the test mold structure provided by the embodiment of the present invention;

fig. 3 is a schematic structural diagram of the back side of the test mold structure according to the embodiment of the present invention.

Description of reference numerals:

1. a femoral head prosthesis; 2. a liner; 3. an acetabular cup; 4. a fixed end; 5. an installation end; 6. fixing the rod; 7. a femoral head body; 8. a femoral stem; 9. inserting a rod; 10. a fixed block; 11. a connecting rod; 12. a threaded shaft; 13. mounting grooves; 14. a spring.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-3, a femoral neck trial model structure comprises a femoral head prosthesis 1, a liner 2 is sleeved on the top of the femoral head prosthesis 1, an acetabular cup 3 is also sleeved on the top of the liner 2, the femoral head prosthesis 1 is arranged in a spherical shape, the liner 2 and the acetabular cup 3 are arranged in a semicircular shape, a plurality of inserted rods 9 are fixedly installed on the inner side of the acetabular cup 3, the inserted rods 9 penetrate through the liner 2 and extend into the femoral head prosthesis 1, fixing firmness of three components is increased, a fixed end 4 is installed at the bottom of the femoral head prosthesis 1 in a threaded manner, an installation end 5 is installed at the bottom of the fixed end 4 in a threaded manner, a fixed rod 6 is installed at the bottom surface of the fixed end 4 in a threaded manner, one end of the fixed rod 6 penetrates through the installation end 5 and the femoral head body 7 and extends to the outer side surface of the femoral head body 7, the fixed end 4, the fixed rod 6 and the fixed block 10 are fixedly connected with the same axis, the fixed end 4, the installation end 5 and the femoral head body 7 are tightly connected to prevent looseness in the use process, causes secondary injury to patients, and simultaneously the bottom of the mounting end 5 is movably connected with the femoral stem 8 through the connecting rod 11, the installation end 5 and the femoral stem 8 are both arranged in the femoral head body 7, the bottom of the connecting rod 11 is in threaded installation connection with the top of the femoral stem 8, a threaded shaft 12 is fixedly arranged on the connecting rod 11, the bottom surface of the mounting end 5 is provided with a mounting groove 13 in a matching way, so that the threaded shaft 12 is in threaded connection with the mounting groove 13, meanwhile, the spring 14 is arranged in the mounting groove 13 at the top of the threaded shaft 12, so that the influence on the test die and the bone caused by high-strength action is reduced, unnecessary secondary damage is reduced, and through the independent connection of all the parts, the condition that the whole structure is failed because of local part failure is avoided taking place in detachable connection mode.

The working principle is as follows: fix femoral stem 8 in femoral head body 7, connecting rod 11 bottom screw thread is installed at femoral stem 8 top, place spring 14 in connecting rod 11 top, threaded

spindle

12 and 5 threaded connection of installation end, spring 14 enters into mounting groove 13, reduce because of the influence of high strength action to examination mould and bone through

spring

14, 5 top installation stiff end 4 of installation end, 6 one end of dead lever run through installation end 5 and femoral head body 7 and extend to 7 outside surfaces of femoral head body on and through fixed block 10 fixed connection, consolidate the whole body, prevent to become flexible, then with femoral head prosthesis 1, inside lining 2 and acetabular cup 3 connect, the individual connection through each part, detachable connected mode, avoid leading to the condition emergence of overall structure inefficacy because of local part inefficacy.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a femoral neck examination mould structure, includes femoral head prosthesis (1), its characterized in that: the femoral head prosthesis comprises a femoral head prosthesis body (1), a lining (2) is arranged at the top of the femoral head prosthesis body (1), an acetabular cup (3) is arranged at the top of the lining (2), a fixed end (4) is movably mounted at the bottom of the femoral head prosthesis body (1), a mounting end (5) is movably mounted at the bottom of the fixed end (4), a fixed rod (6) is movably mounted at the bottom of the fixed end (4), one end of the fixed rod (6) penetrates through the mounting end (5) and the femoral head body (7) and extends to the outer side surface of the femoral head body (7), a femoral stem (8) is movably mounted at the bottom of the mounting end (5), and the mounting end (5) and the femoral stem (8) are both arranged in the femoral head body (7).

2. The femoral neck trial structure of claim 1, wherein: the inner side of the acetabulum cup (3) is provided with a plurality of inserted rods (9), the inserted rods (9) penetrate through the lining (2) and extend into the femoral head prosthesis (1), the femoral head prosthesis (1) is spherical, and the lining (2) and the acetabulum cup (3) are semicircular.

3. The femoral neck trial structure of claim 1, wherein: one end of the fixing rod (6) positioned on the outer side surface of the femoral head body (7) is fixedly connected with a fixing block (10).

4. The femoral neck trial structure of claim 1, wherein: the fixed end (4), the fixed rod (6) and the fixed block (10) are coaxial.

5. The femoral neck trial structure of claim 1, wherein: femoral stem (8) top threaded connection has connecting rod (11), be provided with threaded spindle (12) on connecting rod (11), mounting groove (13) have been seted up to installation end (5) bottom surface, threaded spindle (12) and mounting groove (13) threaded connection.

6. The femoral neck trial structure of claim 5, wherein: the top of the threaded shaft (12) is positioned in the mounting groove (13) and is provided with a spring (14).