CN207871031U - Ankle prosthesis - Google Patents
Ankle prosthesis Download PDFInfo
- Publication number
- CN207871031U CN207871031U CN201720450814.4U CN201720450814U CN207871031U CN 207871031 U CN207871031 U CN 207871031U CN 201720450814 U CN201720450814 U CN 201720450814U CN 207871031 U CN207871031 U CN 207871031U
- Authority
- CN
- China
- Prior art keywords
- liner
- tibial prosthesis
- prosthesis
- interconnecting piece
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Prostheses (AREA)
Abstract
The utility model provides a kind of ankle prosthesis, including：The top of tibial prosthesis, the tibial prosthesis is equipped with interconnecting piece, and the interconnecting piece is multiple taper protrusions or multiple columns or a rib body or two rib bodies；Liner, the bottom surface of the tibial prosthesis and the top surface of liner are mating, and the bottom surface of the liner is inner concave arc surface；The top surface of astragalus prosthese, the astragalus prosthese is outer convex globoidal, and between tibial prosthesis and astragalus prosthese, the inner concave arc surface of the liner matches the liner with the outer convex globoidal of astragalus prosthese, and the bottom surface of the astragalus prosthese is equipped with multiple positioning protrusion.The utility model disclosure satisfy that the requirement of different patients, and applicability is good, and the utility model is reasonable for structure, using reliable.
Description
Technical field
The utility model is related to medical instrument more particularly to a kind of artificial ankle joint prostheses.
Background technology
Whole latter stage ankle arthritis is treated, artificial ankle joint displacement is increasingly recognized, and is had become in order to which ankle closes
Save the reliable treatment of fusion.However, prosthese failure caused by Mechanical complication after artificial ankle joint displacement technique and overhauling
Rate is far above artificial hip and knee, overhauls and not only challenges greatly ankle surgeon, can also give patient body, spirit and economy
Aspect causes enormous pressure.The overwhelming majority causes the reason of skeleton animation to be at present：After the deficiency of prosthetic designs causes displacement technique
The exception of ankle-joint and its periarticular kinematics and biomethanics eventually leads to the generation of prosthese Mechanical complication.Therefore, change
It is the key that reduce postoperative revision rate into ankle prosthesis design.
Currently, it is about more than 20 kinds to be applied to clinical artificial ankle joint prosthese in global range, it is widely used about
10 kinds or so.Ankle prosthesis mainly include tibial prosthesis, astragalus prosthese and liner, these member profile structures, mounting means,
There is very big difference in form in the relative motion of fixed form and each inter-module.In actual clinical, different patient's late period ankles close
The scorching histological type of section, patient's sclerotin, deformity and periarticular ligament contracture degree difference hand over big, existing artificial ankle joint prosthese
Design feature often cannot be satisfied the ankle arthritis disease Man's Demands of different characteristics.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of reasonable for structure, effectively meet different sick ankle arthritis
The ankle prosthesis of patient, to overcome the defect in the prior art.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：A kind of ankle prosthesis, including：
The top of tibial prosthesis, the tibial prosthesis is equipped with interconnecting piece, and the interconnecting piece is multiple taper protrusions or multiple
Column or a rib body or two rib bodies；
Liner, the bottom surface of the tibial prosthesis and the top surface of liner are mating, and the bottom surface of the liner is inner concave arc surface；
The top surface of astragalus prosthese, the astragalus prosthese is outer convex globoidal, and the liner is located at tibial prosthesis and astragalus prosthese
Between, the inner concave arc surface of the liner is matched with the outer convex globoidal of astragalus prosthese, and the bottom surface of the astragalus prosthese is equipped with multiple
Positioning protrusion.
Preferably, the top surface of the tibial prosthesis is quadrangle, and the wherein edge of a line is equipped with upward baffle.
Preferably, when the interconnecting piece is multiple taper protrusions, including one big centrum and four small centrums, big centrum exist
The centre position of tibial prosthesis top surface, four small centrums are around big centrum.
Preferably, when the interconnecting piece is multiple columns, all columns are obliquely installed to a direction.
Preferably, when the interconnecting piece is two rib bodies, two rib bodies are mutually parallel.
Preferably, the bottom surface of the astragalus prosthese is inwardly recessed to form groove, and the positioning protrusion is located on the groove.
Preferably, the bottom surface of the tibial prosthesis is equipped with two parallel T-slots opened up or dovetail groove, the top of the liner
Face is equipped with two plug divisions coordinated with T-slot or dovetail groove.
As described above, a kind of ankle prosthesis of the utility model, has the advantages that：
The utility model is for the patient that needs row ankle-joint to replace, according to different type, different severity, different bone
Matter feature carries out personalized prosthesis type selection and assembles, reasonable for structure, using reliable, and when the utility model uses
There is partial restriction movement, prosthese risk of stress concentrations can be effectively reduced, reduces the generation of loosening.
Description of the drawings
Fig. 1 is the first structural schematic diagram of tibial prosthesis in the utility model.
Fig. 2 is second of structural schematic diagram of tibial prosthesis in the utility model.
Fig. 3 is the third structural schematic diagram of tibial prosthesis in the utility model.
Fig. 4 is the 4th kind of structural schematic diagram of tibial prosthesis in the utility model.
Fig. 5 is the structural schematic diagram of liner in the utility model.
Fig. 6 is the first structural schematic diagram of astragalus prosthese in the utility model.
Fig. 7 is second of structural schematic diagram of astragalus prosthese in the utility model.
Fig. 8 is the first structural schematic diagram of the utility model.
Fig. 9 is second of structural schematic diagram of the utility model.
Figure 10 is the third structural schematic diagram of the utility model.
Figure 11 is the 4th kind of structural schematic diagram of the utility model.
Figure 12 is the 5th kind of structural schematic diagram of the utility model.
Figure 13 is the 6th kind of structural schematic diagram of the utility model.
Figure 14 is the 7th kind of structural schematic diagram of the utility model.
Figure 15 is the 8th kind of structural schematic diagram of the utility model.
In figure：
1 tibial prosthesis, 2 liner
3 astragalus prosthese, 11 baffle
12 big centrum, 13 small centrum
14 column, 15 rib body
16 dovetail groove, 21 inner concave arc surface
22 plug division, 31 outer convex globoidal
32 positioning protrusion, 33 groove
111 connecting holes
Specific implementation mode
Structure, ratio, size depicted in Figure of description etc., only to coordinate the revealed content of specification, with
Understand for those skilled in the art and read, is not limited to the enforceable qualifications of the utility model, therefore does not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute
Under the effect of capable of generating and the purpose that can reach, the model that can cover in the revealed technology contents of the utility model should all be fallen
In enclosing.Meanwhile cited such as "upper", "lower", "front", "rear", " centre " term in this specification, it is merely convenient to describe
Be illustrated, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, without substantive change
Under technology contents, when being also considered as the enforceable scope of the utility model.
The utility model is a kind of ankle prosthesis, as shown in arbitrary attached drawing in Fig. 8-Figure 15 comprising tibial prosthesis 1,
3 three parts of liner 2 and astragalus prosthese.
As Figure 1-Figure 4, the top of the tibial prosthesis 1 in the utility model is equipped with interconnecting piece, and the interconnecting piece is more
A taper protrusion or multiple columns or a rib body or two rib bodies.The top surface of tibial prosthesis 1 is plane, and interconnecting piece is convex
For top surface.Specifically, as shown in Figure 1, when the interconnecting piece is multiple taper protrusions, including one big centrum 12 and four
Small centrum 13, big centrum 12 are uniformly divided in the centre position of 1 top surface of tibial prosthesis, four small centrums 13 around big centrum 12
Cloth, this structure are suitable for the patient of distal tibial osteoporosis, so that tibial prosthesis 1 is effectively attached distal tibial by beaing.Such as
Shown in Fig. 2, when the interconnecting piece is multiple columns, all columns 14 are obliquely installed to a direction, and described
The end of column 14 is spherical surface, this structure is suitable for the patient of the preferable bone amount abundance of distal tibial sclerotin, is made by beaing
Tibial prosthesis 1 effectively attaches distal tibial.As shown in figure 3, when the interconnecting piece is a rib body 15, this structure is suitable for shin
Cortex has destruction in front of bone, and the position destroyed is located at the patient at middle part in front of distal tibial, rib body 15 and the distal tibial
The slot cooperation that front medium position opens up, makes tibial prosthesis 1 effectively attach distal tibial by beaing.As shown in figure 4, when described
When interconnecting piece is two rib bodies, two rib bodies 15 are mutually parallel, this structure, which is suitable for cortex in front of shin bone, destruction, and destroy
Position is located at the patient of both sides in front of distal tibial, and rib body 15 coordinates with the slot that two side positions in front of the distal tibial open up,
Tibial prosthesis 1 is set effectively to attach distal tibial by beaing.15 section of rib body in Fig. 3 and Fig. 4 is isosceles triangle.
In conjunction with Fig. 5 and Fig. 8, the bottom surface and the top surface of liner 2 of the tibial prosthesis 1 are mating, the bottom surface of the liner 2
For inner concave arc surface 21.
In conjunction with Fig. 5-Fig. 7, the top surface of the astragalus prosthese 3 is outer convex globoidal 31, and the liner 2 is located at 1 He of tibial prosthesis
Between astragalus prosthese 3, the inner concave arc surface 21 of the liner 2 is matched with the outer convex globoidal 31 of astragalus prosthese 3, liner 2 and astragalus
The fit structure of prosthese 3 provide ankle-joint bend and stretch, it is interior turn up and interior outward turning campaign, and while helping to prevent from turning up in ankle-joint, answers
Power is concentrated.Further, the inner concave arc surface 21 of the liner 2 divides for two parts, and the outer convex globoidal 31 of astragalus prosthese 3 is also two
Point, this allows between liner 2 and astragalus prosthese 3 being not universal cooperation, but is only capable of relatively moving in a certain range, that is, limits
Property movement processed, so as to be effectively reduced prosthese risk of stress concentrations, reduces the generation of loosening.The bottom surface of the astragalus prosthese 3
Equipped with multiple positioning protrusion 32, it is connected with human body linked groups or bone after being used to be implanted into human body.Such as Fig. 6 and Fig. 7 institutes
Show, there are two types of structures for the bottom surface of the astragalus prosthese 3, and one is plane as shown in FIG. 6, the positioning protrusion 32 is oblique solid
Determine in the plane, this structure prosthese collapses the insufficient patient of astragalus amount suitable for astragalus fornix portion, using single level
The structure of astragalus osteotomy；It is another as shown in fig. 7, the bottom surface of the astragalus prosthese 3 is inwardly recessed to form groove surface 33, it is described fixed
Position protrusion 32 is located on the groove 33, specifically, the section of the groove is in isosceles trapezoid, positioning protrusion 32 one wherein
In oblique waist；This structure can make overall dimensions become smaller, which collapses unobvious astragalus amount suitable for astragalus fornix portion and fill
The patient of foot, using the astragalus osteotomy structure of three planes.
As shown in Figure 1, the top surface of the tibial prosthesis 1 is quadrangle, wherein the edge of a line is equipped with upward baffle
11, connecting hole 111 is provided on baffle 11, connecting hole 111 is positioned with bone screws cooperation, to reinforce 1 installation initial stage of tibial prosthesis
Stability.The baffle 11 is arc-shaped, to meet the requirement being adapted to organization of human body.
The bottom surface of tibial prosthesis 1 described in the utility model is equipped with two parallel T-slots opened up or dovetail groove, reference chart
5, the top surface of the liner 2 is equipped with two plug divisions 22 coordinated with T-slot or dovetail groove.With reference to arbitrary attached in figure 1- Fig. 4
Figure, the utility model preferably use dovetail groove 16.
Liner 2 in the utility model is polythene material.
The utility model has eight kinds of different implementation structures：
Fig. 8 is that the interconnecting piece of tibial prosthesis 1 is multiple taper protrusions, the whole knot when bottom surface of astragalus prosthese 3 is plane
Structure schematic diagram.
Fig. 9 is that the interconnecting piece of tibial prosthesis 1 is multiple taper protrusions, the entirety when bottom surface of astragalus prosthese 3 is equipped with groove
Structural schematic diagram.
Figure 10 is that the interconnecting piece of tibial prosthesis 1 is multiple columns, the overall structure when bottom surface of astragalus prosthese 3 is plane
Schematic diagram.
Figure 11 is that the interconnecting piece of tibial prosthesis 1 is multiple columns, and the entirety when bottom surface of astragalus prosthese 3 is equipped with groove is tied
Structure schematic diagram.
Figure 12 is that the interconnecting piece of tibial prosthesis 1 is a rib body, and the overall structure when bottom surface of astragalus prosthese 3 is plane is shown
It is intended to.
Figure 13 is that the interconnecting piece of tibial prosthesis 1 is a rib body, the overall structure when bottom surface of astragalus prosthese 3 is equipped with groove
Schematic diagram.
Figure 14 is that the interconnecting piece of tibial prosthesis 1 is two rib bodies, and the overall structure when bottom surface of astragalus prosthese 3 is plane is shown
It is intended to.
Figure 15 is that the interconnecting piece of tibial prosthesis 1 is two rib bodies, the overall structure when bottom surface of astragalus prosthese 3 is equipped with groove
Schematic diagram.
In conclusion the utility model ankle prosthesis, reasonable for structure, effectively meet the requirement of different patients.Institute
With the utility model effectively overcomes some practical problems in the prior art to have very high utility value and use meaning
Justice.
The above embodiment is only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.The utility model can be improved there are many more aspect under the premise of without prejudice to overall thought, for being familiar with this technology
Personage can all be carried out modifications and changes to above-described embodiment under the spirit and scope without prejudice to the utility model.Therefore,
Such as those of ordinary skill in the art is in the revealed spirit without departing from the utility model and institute under technological thought
All equivalent modifications completed or change, should be covered by the claim of the utility model.
Claims (6)
1. a kind of ankle prosthesis, which is characterized in that including：
The top of tibial prosthesis (1), the tibial prosthesis (1) is equipped with interconnecting piece, and the interconnecting piece is multiple taper protrusions or more
A column or a rib body or two rib bodies；The top surface of the tibial prosthesis (1) is quadrangle, the wherein edge of a line
Equipped with upward baffle (11), connecting hole (111) is provided on baffle (11)；
Liner (2), the bottom surface and the top surface of liner (2) of the tibial prosthesis (1) are mating, and the bottom surface of the liner (2) is
Inner concave arc surface (21)；
The top surface of astragalus prosthese (3), the astragalus prosthese (3) is outer convex globoidal (31), and the liner (2) is located at tibial prosthesis
(1) between astragalus prosthese (3), the inner concave arc surface (21) of the liner (2) matches with the outer convex globoidal (31) of astragalus prosthese (3)
It closes, the bottom surface of the astragalus prosthese (3) is equipped with multiple positioning protrusion (32).
2. ankle prosthesis according to claim 1, it is characterised in that：When the interconnecting piece is multiple taper protrusions, packet
One big centrum (12) and four small centrum (13) are included, big centrum (12) is four small in the centre position of tibial prosthesis (1) top surface
Centrum (13) is around big centrum (12).
3. ankle prosthesis according to claim 1, it is characterised in that：When the interconnecting piece is multiple columns, own
Column (14) is obliquely installed to a direction.
4. ankle prosthesis according to claim 1, it is characterised in that：When the interconnecting piece is two rib bodies, two ribs
Body (15) is mutually parallel.
5. ankle prosthesis according to claim 1, it is characterised in that：The bottom surface of the astragalus prosthese (3) is inwardly recessed
Groove (33) is formed, the positioning protrusion (32) is located on the groove (33).
6. ankle prosthesis according to claim 1, it is characterised in that：The bottom surface of the tibial prosthesis (1) is equipped with two
The parallel T-slot opened up or dovetail groove, the top surface of the liner (2) are equipped with two plug divisions coordinated with T-slot or dovetail groove
(22)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720450814.4U CN207871031U (en) | 2017-04-26 | 2017-04-26 | Ankle prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720450814.4U CN207871031U (en) | 2017-04-26 | 2017-04-26 | Ankle prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207871031U true CN207871031U (en) | 2018-09-18 |
Family
ID=63499197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720450814.4U Active CN207871031U (en) | 2017-04-26 | 2017-04-26 | Ankle prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207871031U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013365A (en) * | 2019-04-26 | 2019-07-16 | 中国人民解放军联勤保障部队第九二〇医院 | A kind of bionical resistance to affixed shin bone refill-unit in high temporal shin bone lower end |
| CN110013360A (en) * | 2019-04-26 | 2019-07-16 | 中国人民解放军联勤保障部队第九二〇医院 | Bionical cooperation joint between a kind of high temporal shin bone-astragalus |
| CN110013364A (en) * | 2019-04-26 | 2019-07-16 | 中国人民解放军联勤保障部队第九二〇医院 | A kind of bionical resistance to affixed astragalus refill-unit in high temporal astragalus upper end |
| CN110090096A (en) * | 2019-04-26 | 2019-08-06 | 中国人民解放军联勤保障部队第九二〇医院 | A kind of bionical cooperation black box of high temporal shin bone-astragalus |
| CN110840635A (en) * | 2019-11-28 | 2020-02-28 | 北京爱康宜诚医疗器材有限公司 | Ankle joint prosthesis |
| CN112057209A (en) * | 2020-08-22 | 2020-12-11 | 陕西省人民医院 | Ankle joint artificial prosthesis |
| CN112168439A (en) * | 2020-08-17 | 2021-01-05 | 吉林大学 | Rigid-flexible coupling bionic passive compliance ankle-foot prosthesis |
| CN113827378A (en) * | 2021-11-24 | 2021-12-24 | 北京爱康宜诚医疗器材有限公司 | Ankle joint tibia side prosthesis |
-
2017
- 2017-04-26 CN CN201720450814.4U patent/CN207871031U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013365A (en) * | 2019-04-26 | 2019-07-16 | 中国人民解放军联勤保障部队第九二〇医院 | A kind of bionical resistance to affixed shin bone refill-unit in high temporal shin bone lower end |
| CN110013360A (en) * | 2019-04-26 | 2019-07-16 | 中国人民解放军联勤保障部队第九二〇医院 | Bionical cooperation joint between a kind of high temporal shin bone-astragalus |
| CN110013364A (en) * | 2019-04-26 | 2019-07-16 | 中国人民解放军联勤保障部队第九二〇医院 | A kind of bionical resistance to affixed astragalus refill-unit in high temporal astragalus upper end |
| CN110090096A (en) * | 2019-04-26 | 2019-08-06 | 中国人民解放军联勤保障部队第九二〇医院 | A kind of bionical cooperation black box of high temporal shin bone-astragalus |
| CN110840635A (en) * | 2019-11-28 | 2020-02-28 | 北京爱康宜诚医疗器材有限公司 | Ankle joint prosthesis |
| CN112168439A (en) * | 2020-08-17 | 2021-01-05 | 吉林大学 | Rigid-flexible coupling bionic passive compliance ankle-foot prosthesis |
| CN112057209A (en) * | 2020-08-22 | 2020-12-11 | 陕西省人民医院 | Ankle joint artificial prosthesis |
| CN113827378A (en) * | 2021-11-24 | 2021-12-24 | 北京爱康宜诚医疗器材有限公司 | Ankle joint tibia side prosthesis |
| CN113827378B (en) * | 2021-11-24 | 2022-05-03 | 北京爱康宜诚医疗器材有限公司 | Ankle joint tibia side prosthesis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207871031U (en) | Ankle prosthesis | |
| US3798679A (en) | Joint prostheses | |
| US3795922A (en) | Complete knee prothesis | |
| McKee et al. | Replacement of arthritic hips by the McKee-Farrar prosthesis | |
| CN206167123U (en) | Keep nodal section type that closes matched stack formula thighbone tumour knee joint prosthesis | |
| US4085466A (en) | Prosthetic joint device | |
| US7922770B2 (en) | Total knee arthroplasty endoprosthesis with third condyle and rotating polyethylene insert | |
| CA2431096C (en) | Porous unicondylar knee | |
| KR100314509B1 (en) | Fixed bearing joint endoprosthesis | |
| CN102793594B (en) | A kind of artificial knee joint | |
| JPS61143060A (en) | Artificial semilunar-tiia joint | |
| ZA200904950B (en) | Knee prosthesis with enhanced kinematics | |
| JP2004167255A (en) | Femoral component for artificial knee joint | |
| CN102614036B (en) | Knee joint prosthesis pad, shinbone base element and knee joint prosthesis | |
| JP2010075697A (en) | Fixed bearing joint endoprosthesis with combined congruent-incongruent prosthetic articulation surface | |
| US20140135939A1 (en) | Stabilized total ankle prosthesis | |
| CN107997857A (en) | A kind of sealed knee joint tibial component of W types | |
| US11173038B2 (en) | Total ankle prosthesis | |
| US20140107799A1 (en) | Ankle Prosthesis | |
| CN107361881A (en) | A kind of distal femur prosthese using trabecular bone structure for increasing bone reserve capacity | |
| CN112137766A (en) | Replacement scaphoid used in orthopedic surgery | |
| CN204521058U (en) | Type femoral bone end prosthesis | |
| CN208404992U (en) | The distal femur prosthese using trabecular bone structure of bone reserve capacity can be increased | |
| CN103705319A (en) | Biological fixation type tibia platform | |
| CN205849594U (en) | High matching degree bion knee-joint prosthesis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |