CN104887359A - Artificial ankle joint - Google Patents
Artificial ankle joint Download PDFInfo
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- CN104887359A CN104887359A CN201510370197.2A CN201510370197A CN104887359A CN 104887359 A CN104887359 A CN 104887359A CN 201510370197 A CN201510370197 A CN 201510370197A CN 104887359 A CN104887359 A CN 104887359A
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- joint ball
- joint
- connecting plate
- ball
- artificial ankle
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Abstract
The invention provides an artificial ankle joint and belongs to the field of medical instruments for department of orthopedics. The artificial ankle joint comprises an interlocking fusion handle, a joint ball connecting plate is fixed at the bottom of the interlocking fusion handle, the bottom of the joint ball connecting plate is universally connected with a joint ball which is a shell of a semicircular structure, an opening of the joint ball is downward, a left connecting portion and a right connecting portion are symmetrically arranged on the lower edge of the ball joint, an elastic element is connected between the joint ball connecting plate and the upper surface of the joint ball, a supporting element is arranged between the joint ball connecting plate and the rear end of the joint ball, one end of the supporting element is fixed on the joint ball connecting plate while the other end of the same is movably connected at the rear end of the joint ball. The artificial ankle joint is simple in structure, reasonable in design, simple to operate and high in comfortableness under the premise that degree of freedom of the ankle joint is guaranteed, has certain buffering effect and is high in safety, natural in moving and suitable for walking on various roads.
Description
Technical field
The present invention relates to orthopaedics medical instruments field, specifically a kind of artificial ankle joint.
Background technology
As everyone knows, replace the pathological changes of ankle joint or injured articular surface with prosthetic component, make patient to recover proper motion.General artificial ankle joint comprises the tibial component of patients with implantation tibia and the astragalus parts of patients with implantation astragalus, in addition, can provide bearing insert between tibial component and astragalus parts.But the artificial ankle joint of prior art is fixing can not rotate, or degree of freedom can only plantar flexion or dorsiflex in limited range.These ankle joint are only applicable to walk on more smooth road surface.When road surface is rugged and rough, the meeting of these ankle joint is because cannot realizing the varus of ankle joint and turning up, and nature or walking are steady to cause patient to walk appearance, and also do not have buffer unit, comfort level is poor, poor stability.Therefore, need to develop a kind of artificial ankle joint, under the prerequisite ensureing ankle joint degree of freedom, its comfort level is high, and safety is high, and action nature, is adapted at walking in various road surface.
Summary of the invention
The problem to be solved in the present invention is: overcome the deficiencies in the prior art, there is provided a kind of structure simple, reasonable in design, simple to operate, under the prerequisite ensureing ankle joint degree of freedom, its comfort level is high, there is certain cushioning effect, safety is high, and action nature, is adapted at the artificial ankle joint walked in various road surface.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of artificial ankle joint, comprise an interlocking and merge handle, a joint ball connecting plate is fixed in the bottom that described interlocking merges handle, the universal connection one in the bottom joint ball of described joint ball connecting plate, described joint ball is the housing of a semicircular structure, Open Side Down for described joint ball, the lower limb of described joint ball is arranged with left connecting portion and right connecting portion, flexible member is connected with between described joint ball connecting plate and the upper surface of joint ball, support component is provided with between described joint ball connecting plate and the rear end of joint ball, one end of described support component is fixed on joint ball connecting plate, the other end of described support component is movably connected on the rear end of joint ball.
Further, described joint ball connecting plate is connected by a joint coupling with the top of joint ball.
Further, the bottom of described joint ball connecting plate is provided with a groove, and the top of described joint ball is positioned at groove.
Further, the surface of described joint ball has air-vent.
Further, the surface of described joint ball has screw, has inter-locking screw to pass in described screw.
Further, described left connecting portion and right connecting portion have fixing hole.
Further, described interlocking merges handle material is Ti-6Al-4V.
Further, the material of described inter-locking screw is Ti-6Al-4V.
Further, the material of described joint ball is CoCrMo alloy.
The advantage that the present invention has and good effect are:
Structure of the present invention is simple, reasonable in design, simple to operate, and under the prerequisite ensureing ankle joint degree of freedom, its comfort level is high, and have certain cushioning effect, safety is high, and action nature, is adapted at walking in various road surface.
Accompanying drawing explanation
Fig. 1 is the front view of artificial ankle joint of the present invention.
Fig. 2 is the right view of artificial ankle joint of the present invention.
Fig. 3 is 1/4th sectional views of the joint ball of artificial ankle joint of the present invention.
In figure: 1, interlocking merges handle; 2, joint ball connecting plate; 3, joint coupling; 4, joint ball; 5, groove; 6, air-vent; 7, left connecting portion; 8, right connecting portion; 9, fixing hole; 10, screw; 11, flexible member; 12, support component; 13, inter-locking screw.
Detailed description of the invention
As Fig. 1, 2, shown in 3, a kind of artificial ankle joint, comprise an interlocking and merge handle 1, the material that interlocking merges handle 1 is Ti-6Al-4V, a joint ball connecting plate 2 is fixed in the bottom that interlocking merges handle 1, the bottom of joint ball connecting plate 2 is by a joint coupling 3 universal connection one joint ball 4, the material of joint ball 4 is CoCrMo alloy, the bottom of joint ball connecting plate 2 is provided with a groove 5, the top of joint ball 4 is positioned at groove 5, joint ball 4 is the housing of a semicircular structure, the surface of joint ball 4 has air-vent 6, Open Side Down for joint ball 4, the lower limb of joint ball 4 is arranged with left connecting portion 7 and right connecting portion 8, left connecting portion 7 and right connecting portion 8 have fixing hole 9, the surface of joint ball 4 has screw 10, inter-locking screw 13 is had to pass in screw 10, the material of inter-locking screw 13 is Ti-6Al-4V, flexible member 11 is connected with between the upper surface of joint ball connecting plate 2 and joint ball 4, support component 12 is provided with between the rear end of joint ball connecting plate 2 and joint ball 4, one end of support component 12 is fixed on joint ball connecting plate 2, the other end of support component 12 is movably connected on the rear end of joint ball 4.
The work process of this example: during use, merges by interlocking with handle 1 and is fixed on the tibia of patient, be placed on the astragalus of patient by joint ball 4 simultaneously, and is fixed through screw 10 with inter-locking screw 13.The bottom of joint ball connecting plate 2 is by the universal connection joint ball 4 of joint coupling 3, patient can freely swing ankle joint, owing to being provided with support component 12 between joint ball connecting plate 2 and the rear end of joint ball 4, under the prerequisite ensureing ankle joint degree of freedom, its comfort level is high; And be connected with flexible member 11 between joint ball connecting plate 2 and the upper surface of joint ball 4, have certain cushioning effect, safety is high, action nature, is adapted at walking in various road surface.
Above embodiments of the invention have been described in detail, but described content being only preferred embodiments of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (9)
1. an artificial ankle joint, it is characterized in that: comprise an interlocking and merge handle, a joint ball connecting plate is fixed in the bottom that described interlocking merges handle, the universal connection one in the bottom joint ball of described joint ball connecting plate, described joint ball is the housing of a semicircular structure, Open Side Down for described joint ball, the lower limb of described joint ball is arranged with left connecting portion and right connecting portion, flexible member is connected with between described joint ball connecting plate and the upper surface of joint ball, support component is provided with between described joint ball connecting plate and the rear end of joint ball, one end of described support component is fixed on joint ball connecting plate, the other end of described support component is movably connected on the rear end of joint ball.
2. a kind of artificial ankle joint according to claim 1, is characterized in that: described joint ball connecting plate is connected by a joint coupling with the top of joint ball.
3. a kind of artificial ankle joint according to claim 1, is characterized in that: the bottom of described joint ball connecting plate is provided with a groove, and the top of described joint ball is positioned at groove.
4. a kind of artificial ankle joint according to claim 1, is characterized in that: the surface of described joint ball has air-vent.
5. a kind of artificial ankle joint according to claim 1, is characterized in that: the surface of described joint ball has screw, has inter-locking screw to pass in described screw.
6. a kind of artificial ankle joint according to claim 1, is characterized in that: described left connecting portion and right connecting portion have fixing hole.
7. a kind of artificial ankle joint according to any one of claim 1-6, is characterized in that: it is Ti-6Al-4V that described interlocking merges handle material.
8. a kind of artificial ankle joint according to claim 5, is characterized in that: the material of described inter-locking screw is Ti-6Al-4V.
9. a kind of artificial ankle joint according to any one of claim 1-6, is characterized in that: the material of described joint ball is CoCrMo alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370197.2A CN104887359B (en) | 2015-06-29 | 2015-06-29 | Artificial ankle joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510370197.2A CN104887359B (en) | 2015-06-29 | 2015-06-29 | Artificial ankle joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104887359A true CN104887359A (en) | 2015-09-09 |
| CN104887359B CN104887359B (en) | 2017-04-26 |
Family
ID=54020626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510370197.2A Active CN104887359B (en) | 2015-06-29 | 2015-06-29 | Artificial ankle joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104887359B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109662815A (en) * | 2019-03-01 | 2019-04-23 | 安徽工程大学 | A kind of ankle prosthesis |
| CN109662816A (en) * | 2019-03-01 | 2019-04-23 | 安徽工程大学 | A kind of artificial ankle joint |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896503A (en) * | 1973-02-09 | 1975-07-29 | Nat Res Dev | Endosphosthetic ankle joint devices |
| US4021864A (en) * | 1976-04-14 | 1977-05-10 | The Regents Of The University Of California | Ankle prosthesis |
| US4470158A (en) * | 1978-03-10 | 1984-09-11 | Biomedical Engineering Corp. | Joint endoprosthesis |
| WO1991007931A1 (en) * | 1989-11-29 | 1991-06-13 | Ab Volvo | Artificial joint, especially for ankle joints |
| WO1997010775A2 (en) * | 1995-09-20 | 1997-03-27 | Orthofix S.R.L. | Apparatus for treating ankle fractures |
| US20040236431A1 (en) * | 2001-06-28 | 2004-11-25 | Ronald Sekel | Universal prosthesis |
| CN102917671A (en) * | 2010-05-28 | 2013-02-06 | 德普伊产品公司 | Semi-constrained ankle prosthesis having a rotating bearing insert |
| CN102920536A (en) * | 2012-11-14 | 2013-02-13 | 黄国富 | Buffer-type artificial ankle joint |
| CN204971716U (en) * | 2015-06-29 | 2016-01-20 | 北京贝思达生物技术有限公司 | Artifical ankle joint |
-
2015
- 2015-06-29 CN CN201510370197.2A patent/CN104887359B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896503A (en) * | 1973-02-09 | 1975-07-29 | Nat Res Dev | Endosphosthetic ankle joint devices |
| US4021864A (en) * | 1976-04-14 | 1977-05-10 | The Regents Of The University Of California | Ankle prosthesis |
| US4470158A (en) * | 1978-03-10 | 1984-09-11 | Biomedical Engineering Corp. | Joint endoprosthesis |
| WO1991007931A1 (en) * | 1989-11-29 | 1991-06-13 | Ab Volvo | Artificial joint, especially for ankle joints |
| WO1997010775A2 (en) * | 1995-09-20 | 1997-03-27 | Orthofix S.R.L. | Apparatus for treating ankle fractures |
| US20040236431A1 (en) * | 2001-06-28 | 2004-11-25 | Ronald Sekel | Universal prosthesis |
| CN102917671A (en) * | 2010-05-28 | 2013-02-06 | 德普伊产品公司 | Semi-constrained ankle prosthesis having a rotating bearing insert |
| CN102920536A (en) * | 2012-11-14 | 2013-02-13 | 黄国富 | Buffer-type artificial ankle joint |
| CN204971716U (en) * | 2015-06-29 | 2016-01-20 | 北京贝思达生物技术有限公司 | Artifical ankle joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109662815A (en) * | 2019-03-01 | 2019-04-23 | 安徽工程大学 | A kind of ankle prosthesis |
| CN109662816A (en) * | 2019-03-01 | 2019-04-23 | 安徽工程大学 | A kind of artificial ankle joint |
| CN109662815B (en) * | 2019-03-01 | 2024-05-17 | 安徽工程大学 | Ankle joint prosthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104887359B (en) | 2017-04-26 |
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