CN211460687U

CN211460687U - Artificial ankle joint prosthesis component

Info

Publication number: CN211460687U
Application number: CN201922217078.XU
Authority: CN
Inventors: 田华乔
Original assignee: Jinyi Technology Development Yangzhou Co ltd
Current assignee: Jinyi Technology Development Yangzhou Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-11
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses an artifical ankle joint false body subassembly relates to false body subassembly technical field, including talus pulley subassembly, the top welding of talus pulley subassembly has the fixing base, the fixing base is the U-shaped structure, there is the rotary rod at the middle part of fixing base inner wall through fixed axle swing joint, the top welding of rotary rod has the shin bone subassembly, T shape spout has been seted up at the top of talus pulley subassembly, the inside sliding connection of T shape spout has the slide bar, the week side welding of slide bar has lower connecting rod, the tip swing joint of lower connecting rod has last connecting rod, the top welding of going up the connecting rod has the fibula subassembly. This artifical ankle joint prosthesis subassembly through the setting of rotary rod for the shin bone subassembly can rotate, and the setting of lower connecting rod and last connecting rod makes the shin bone subassembly can move about, and the degree of freedom is higher, can satisfy patient's user demand, makes this artifical ankle joint prosthesis subassembly practicality stronger.

Description

Artificial ankle joint prosthesis component

Technical Field

The utility model relates to a false body subassembly technical field specifically is an artifical ankle joint false body subassembly.

Background

The ankle joint is formed by a joint surface of the lower ends of a tibia and a fibula and a talus pulley, so that the ankle joint is also called as a talus calf joint, an ankle joint prosthesis is a surgical implant which is applied to ankle joint replacement and used for replacing ankle joint parts of human bodies and is often easy to cause serious bone defect of the far end of the tibia of the ankle joint when the ankle joint of the human bodies needs to be repaired due to patients or suffers from tumors or comminuted fractures and the like, the serious bone defect not only deteriorates the bearing capacity of the force of the osteotomy position of the tibia, but also easily causes the problems of defect of the attachment point of muscles or damage of joint capsules at the ankle joint and the like, and at the moment, a proper ankle joint prosthesis needs to be selected to replace the ankle joint of the patients.

However, the existing artificial ankle joint prosthesis component has a simple structure and low degree of freedom, and is difficult to meet the use requirements of patients.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an artifical ankle joint false body subassembly has solved the simple structure of current artifical ankle joint false body subassembly, and the degree of freedom is lower, is difficult to satisfy patient's user demand's problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an artifical ankle joint false body subassembly, includes an talus pulley subassembly, the top welding of talus pulley subassembly has a fixing base, the fixing base is the U-shaped structure, fixed axle swing joint has a rotary rod at the middle part of fixing base inner wall, the top welding of rotary rod has a shin bone subassembly, a T shape spout has been seted up at the top of talus pulley subassembly, the inside sliding connection of T shape spout has a slide bar, the week side welding of slide bar has a connecting rod, the tip swing joint of connecting rod has one to go up the connecting rod down, the top welding of going up the connecting rod has a fibula subassembly.

Preferably, talus car subassembly is the rectangle structure, and an arc recess has been seted up to the bottom of talus car subassembly, the inside weld of arc recess has the titanium alloy bottom plate of an arc structure, the first regular hexagon through-hole of a plurality of has been seted up to the week side of titanium alloy bottom plate.

Preferably, the tip of rotary rod is the arc structure, the base welding of fixing base inner wall has the stopper of two relative settings, the stopper is the right angled triangle structure, and the contained angle of hypotenuse and perpendicular is 25.

Preferably, the tip welding of connecting rod has the connecting seat of a U-shaped structure down, the inner wall welding of connecting seat has the solid fixed ring of two relative settings, the welding of one side of solid fixed ring has a spacing ring, two it is connected with a rotation post to rotate between the solid fixed ring, the both ends of rotating the post all weld a columniform fixed block, the middle part welding of rotating the post has a connecting block, one side and the last connecting rod fixed connection of connecting block.

Preferably, the shin bone subassembly is cylindrical structure, and the upper surface of shin bone subassembly has seted up first hemisphere recess, the inside weld of first hemisphere recess has a titanium alloy shin bone roof of hollow hemisphere structure, the week side of titanium alloy shin bone roof has seted up the regular hexagon through-hole of a plurality of second.

Preferably, the fibula assembly is of a cylindrical structure, a second hemispherical groove is formed in the upper surface of the fibula assembly, a titanium alloy fibula top plate of a hollow hemispherical structure is welded inside the second hemispherical groove, and a plurality of third regular hexagon through holes are formed in the peripheral side of the titanium alloy fibula top plate.

(III) advantageous effects

The utility model provides an artificial ankle joint prosthesis component. The method has the following beneficial effects:

(1) this artifical ankle joint prosthesis subassembly through the setting of rotary rod for the shin bone subassembly can rotate, and the setting of lower connecting rod and last connecting rod makes the shin bone subassembly can move about, and the degree of freedom is higher, can satisfy patient's user demand.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the fixing base of the present invention;

FIG. 3 is a schematic view of the connecting seat structure of the present invention;

FIG. 4 is a schematic view of the fixing block structure of the present invention;

fig. 5 is a schematic structural view of the titanium alloy bottom plate of the present invention.

In the figure: 1. a talar carriage assembly; 2. a fixed seat; 3. rotating the rod; 4. a tibial component; 5. a slide bar; 6. a lower connecting rod; 7. an upper connecting rod; 8. a fibula assembly; 9. a titanium alloy base plate; 10. a limiting block; 11. a connecting seat; 12. a fixing ring; 13. a limiting ring; 14. rotating the column; 15. a fixed block; 16. connecting blocks; 17. a titanium alloy tibial ceiling; 18. titanium alloy fibula top plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an artificial ankle joint prosthesis assembly comprises an ankle bone pulley assembly 1, wherein the ankle bone pulley assembly 1 is of a rectangular structure, an arc-shaped groove is formed in the bottom of the ankle bone pulley assembly 1, the ankle bone pulley assembly 1 is matched with the bottom of a human body ankle bone pulley, a titanium alloy bottom plate 9 of the arc-shaped structure is welded inside the arc-shaped groove, a plurality of first regular hexagon through holes are formed in the peripheral side of the titanium alloy bottom plate 9, a fixing seat 2 is welded at the top of the ankle bone pulley assembly 1, the fixing seat 2 is of a U-shaped structure, a rotating rod 3 is movably connected to the middle of the inner wall of the fixing seat 2 through a fixing shaft, the end portion of the rotating rod 3 is of the arc-shaped structure, two oppositely-arranged limiting blocks 10 are welded on the base of the inner wall of the fixing seat 2, each limiting block 10 is of a right-angled triangle structure, the included angle between the bevel edge and the vertical surface is, the ankle structure of a normal person is met, the body of a patient is prevented from being excessively rotated and damaged, a tibia component 4 is welded at the top of a rotary rod 3, the tibia component 4 is of a cylindrical structure, a first hemispherical groove is formed in the upper surface of the tibia component 4, the tibia component 4 is matched with the bottom end of a tibia of a human body, a titanium alloy tibia top plate 17 of a hollow hemispherical structure is welded inside the first hemispherical groove, a plurality of second regular hexagonal through holes are formed in the peripheral side of the titanium alloy tibia top plate 17, a T-shaped sliding groove is formed in the top of the tibia component 1, a sliding rod 5 is connected inside the T-shaped sliding groove in a sliding mode, the sliding rod 5 can slide in the T-shaped sliding groove, a lower connecting rod 6 is welded on the peripheral side of the sliding rod 5, the bottom end of the lower connecting rod 6 is of an arc-shaped structure, the end portion of the lower, the end welding of lower connecting rod 6 has a connecting seat 11 of a U-shaped structure, the inner wall welding of connecting seat 11 has two solid fixed rings 12 that set up relatively, solid fixed ring 12's one side welding has a spacing ring 13, it has a column 14 to rotate to be connected with between two solid fixed rings 12, the internal diameter of spacing ring 13 is greater than the diameter of column 14, column 14 can rotate in the spacing ring 13, a columniform fixed block 15 has all been welded at the both ends of column 14 rotates, the internal diameter of solid fixed ring 12 is greater than the diameter of fixed block 15, fixed block 15 can rotate in solid fixed ring 12, the diameter of fixed block 15 is greater than the internal diameter of spacing ring 13, make column 14 can not break away from solid fixed ring 12, the middle part welding of column 14 rotates has a connecting block 16, one side and upper connecting rod 7 fixed connection of connecting block 16, the top welding of upper connecting rod 7 has, and the second hemisphere recess has been seted up to the upper surface of fibula subassembly 8, fibula subassembly 8 cooperatees with the bottom of human fibula, the inside welding of second hemisphere recess has a titanium alloy fibula roof 18 of hollow hemisphere structure, a plurality of third regular hexagon through-hole has been seted up to the week side of titanium alloy fibula roof 18, titanium alloy bottom plate 9, titanium alloy shin bone roof 17, titanium alloy fibula roof 18 has good biocompatibility, after it implants the human body, can amazing bone tissue growth, make bone tissue and the surface of false body combine closely, reach permanent fixed purpose, and titanium alloy bottom plate 9, titanium alloy shin bone roof 17, regular hexagon through-hole has all been seted up to titanium alloy fibula roof 18, form honeycomb structure, the structure is comparatively firm, the holding capacity is strong.

During the use, the staff only needs to take the prosthetic components to patient's ankle joint department, makes titanium alloy bottom plate 9 cooperate with the bottom of patient talus coaster, makes the bottom of titanium alloy shin bone roof 17 and patient shin bone cooperate, makes the bottom of titanium alloy fibula roof 18 and patient's fibula cooperate, then the completion sew up can, shin bone subassembly and fibula subassembly are all movable, and the degree of freedom is higher, can satisfy patient's user demand for this artifical ankle joint prosthetic components practicality is stronger.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An artificial ankle joint prosthesis assembly, comprising: comprises a talar tackle assembly (1);

a fixed seat (2) is welded at the top of the talus trolley assembly (1), the fixed seat (2) is of a U-shaped structure, a rotary rod (3) is movably connected to the middle of the inner wall of the fixed seat (2) through a fixed shaft, and a tibia assembly (4) is welded at the top of the rotary rod (3);

a T-shaped sliding groove is formed in the top of the talus trolley component (1), a sliding rod (5) is connected to the inside of the T-shaped sliding groove in a sliding mode, a lower connecting rod (6) is welded to the periphery of the sliding rod (5), an upper connecting rod (7) is movably connected to the end portion of the lower connecting rod (6), and a fibula component (8) is welded to the top of the upper connecting rod (7).

2. The artificial ankle joint prosthesis assembly according to claim 1, wherein: talus pulley subassembly (1) is the rectangle structure, and the bottom of talus pulley subassembly (1) has seted up an arc recess, the inside weld of arc recess has titanium alloy bottom plate (9) of an arc structure, the first regular hexagon through-hole of a plurality of has been seted up to the week side of titanium alloy bottom plate (9).

3. The artificial ankle joint prosthesis assembly according to claim 1, wherein: the tip of rotary rod (3) is the arc structure, the base welding of fixing base (2) inner wall has two stopper (10) that set up relatively, stopper (10) are the right angled triangle structure, and the contained angle of hypotenuse and perpendicular is 25.

4. The artificial ankle joint prosthesis assembly according to claim 1, wherein: the welding of the tip of lower connecting rod (6) has connecting seat (11) of a U-shaped structure, the inner wall welding of connecting seat (11) has two solid fixed ring (12) that set up relatively, one side welding of solid fixed ring (12) has a spacing ring (13), two it is connected with one rotation post (14) to rotate between solid fixed ring (12), the both ends of rotating post (14) all weld a columniform fixed block (15), the middle part welding of rotating post (14) has a connecting block (16), one side and last connecting rod (7) fixed connection of connecting block (16).

5. The artificial ankle joint prosthesis assembly according to claim 1, wherein: the utility model discloses a titanium alloy tibia roof, including tibia subassembly (4), first hemisphere recess has been seted up to the upper surface of tibia subassembly (4), the inside weld of first hemisphere recess has titanium alloy tibia roof (17) of a hollow hemisphere structure, the regular hexagon through-hole of a plurality of second has been seted up to the week side of titanium alloy tibia roof (17).

6. The artificial ankle joint prosthesis assembly according to claim 1, wherein: the fibula component (8) is of a cylindrical structure, a second hemispherical groove is formed in the upper surface of the fibula component (8), a titanium alloy fibula top plate (18) of a hollow hemispherical structure is welded inside the second hemispherical groove, and a plurality of third regular hexagon through holes are formed in the peripheral side of the titanium alloy fibula top plate (18).