CN203001181U - Buffer type artificial ankle joint - Google Patents
Buffer type artificial ankle joint Download PDFInfo
- Publication number
- CN203001181U CN203001181U CN 201220599570 CN201220599570U CN203001181U CN 203001181 U CN203001181 U CN 203001181U CN 201220599570 CN201220599570 CN 201220599570 CN 201220599570 U CN201220599570 U CN 201220599570U CN 203001181 U CN203001181 U CN 203001181U
- Authority
- CN
- China
- Prior art keywords
- buffer
- ankle joint
- type artificial
- astragalus
- soleplate
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
- A61F2/4202—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for ankles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses a buffer type artificial ankle joint. The buffer type artificial ankle joint comprises an implant, a shin bone end base plate, a shin bone end joint surface, an ankle bone end joint surface, an ankle bone end base plate and a buffer device, wherein the implant is mounted in a cancellous bone at the lower end of the shin bone; the implant is hollow and open pores are formed in the surrounding wall of the implant; on end of the shin bone end base plate is moveably connected with the implant and the other end of the shin bone end base plate is inserted and clamped on the shin bone end joint surface; the ankle bone end joint surface is connected with the ankle bone end base plate in a shaft fit mode; the ankle bone end base plate is provided with suspension holes for mounting the buffer device; the structural design accords with the requirements of human ankle joint anatomy, simulates the physiological motion of the ankle joint and accords with the biomechanical property of the ankle joint; the buffer device can reduce collision, remit stress conduction, effectively reduce the motion load and overcome the whole pressure stress; and the surgery is simple to operate and wide in indications.
Description
Technical field
This utility model relates to joint prosthesis's technical field, particularly relates to a kind of buffer-type artificial ankle joint.
Background technology
Orthopaedics is very fast with the artificial joint development at present, and purpose is the final joint function disturbance that effectively solves many patients, but still there is no a kind of artificial ankle joint that more meets ankle joint dissect physiology and physiological function at present.
Orthopaedics solves the prosthese that the ankle joint function disease adopts both at home and abroad now, the surface of bone hard substitute of distal tibial and astragalus upper end just, first accept the sport dynamics requirement in stress joint in the solution human body large joint that it can not be desirable, also just do not reach the requirement of repairing joint mass motion balance and satisfying its biomechanics.
Summary of the invention
The purpose of this utility model is for the technological deficiency that exists in prior art, and a kind of model of human ankle anatomy requirement that meets is provided, and is bionical in the ankle joint physiological movement, meets the buffer-type artificial ankle joint of its biomechanics characteristic.
For realizing that the technical scheme that the purpose of this utility model adopts is: a kind of buffer-type artificial ankle joint comprises be used to the implantation body, ligament tibia end soleplate, ligament tibia end articular surface, astragalus end articular surface, astragalus end soleplate and the buffer unit that are installed in the spongy bone of tibia lower end; Described implantation body is hollow form, and its perisporium is provided with perforate; One end of described ligament tibia end soleplate and implantation body are flexibly connected, and the other end is pegged graft and is connected on the ligament tibia end articular surface; Described astragalus end articular surface and described astragalus end soleplate axle are connected; Described astragalus end soleplate is provided with for the shock-absorbing hole that buffer unit is installed.
Further, the end margin of described implantation body in being installed on tibia lower end spongy bone is provided with arc notch, and implantation body implants in the spongy bone of tibia lower end and more is conducive to metabolism growth between osseous tissue like this.
Preferably, described ligament tibia end soleplate is provided with for the hole of axial location and is used for the flange of radial location, and described ligament tibia end articular surface is provided with the axle that coordinates grafting with the hole and the groove that is engaged with flange.
The axle place of being connected of described astragalus end articular surface and described astragalus end soleplate is provided with the retaining pin.
Described buffer unit comprises bumper post, buffer body, padded coaming and adjustable screw; Described bumper post is arranged on the upper end of buffer body, and described padded coaming is arranged in buffer body, and the lower end of described buffer body is equipped with adjustable screw.
Described padded coaming is spring, elastic steel sheet or filling flexible material.
Described flexible material is medical bio silica gel or ultra high molecular polyethylene.
Operation principle of the present utility model is to have constituted a kind of bionic device that is similar to model of human ankle by hollow form implantation body, ligament tibia end base surface, ligament tibia end articular surface, the astragalus end soleplate that has the astragalus end articular surface of many curved surfaces mobility and buffer unit is installed, and buffer unit is installed, buffer unit has the structural design of elastic buffer shock-absorbing, that anatomy relationship, physiological activity function and biomechanics characteristic thereof take the model of human ankle uniqueness is as foundation, adopt the combination of motion simulation machinery to match, have the bionic joint characteristic.
Compared with prior art, the beneficial effects of the utility model are:
(1) structural design of buffer-type artificial ankle joint meets the requirement of model of human ankle anatomy, and is bionical in the ankle joint physiological movement, meets its biomechanics characteristic;
(2) buffer unit can reduce collision, and the relieve stresses conduction effectively reduces its movement load, overcomes integrated pressure stress;
(3) rectification and the reparation of total joint deformity is convenient in the design of the adjustability articular surface in the buffer-type model of human ankle;
(4) operation technique is simple, and is widely applicable.
Description of drawings
Figure 1 shows that each member connection structure schematic diagram of buffer-type artificial ankle joint;
Figure 2 shows that buffer-type artificial ankle joint overall structure schematic diagram;
Figure 3 shows that the buffer unit structure schematic diagram.
In figure: the 1st, implantation body, the 2nd, ligament tibia end soleplate, the 3rd, ligament tibia end articular surface, the 4th, astragalus end articular surface, the 5th, astragalus end soleplate, the 6th, buffer unit, the 7th, perforate, the 8th, breach, the 9th, flange, the 10th, axle, the 11st, groove, the 12nd, bumper post, the 13rd, buffer body, the 14th, padded coaming, the 15th, adjustable screw.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explaining this utility model, and be not used in restriction this utility model.
Embodiment: a kind of buffer-type artificial ankle joint as shown in Figure 1 and Figure 2, comprises be used to the implantation body 1, ligament tibia end soleplate 2, ligament tibia end articular surface 3, astragalus end articular surface 4, astragalus end soleplate 5 and the buffer unit 6 that are installed in the spongy bone of tibia lower end; Described implantation body is hollow form, and its perisporium is provided with perforate 7; One end of described ligament tibia end soleplate 2 and implantation body 1 are flexibly connected, and select threaded engagement to connect better effects if, and implantation body can treat afterwards and break away from the ligament tibia end soleplate when needing like this, also is convenient for changing miscellaneous part;
The other end of described ligament tibia end soleplate 2 is together with described ligament tibia end articular surface 3 clampings, specifically, described ligament tibia end soleplate 2 is provided with for the hole of axial location and is used for the flange 9 of radial location, and described ligament tibia end articular surface is provided with the axle 10 that coordinates grafting with the hole and the groove 11 that is engaged with flange 9.
Described astragalus end articular surface 3 is connected with described astragalus end soleplate 4 axles, and the axle place of being connected is provided with the retaining pin; Described astragalus end soleplate 5 is provided with for the shock-absorbing hole that buffer unit 6 is installed.
The end margin of described implantation body in being installed on tibia lower end spongy bone is provided with arc notch 8, and the consequence devised of perforate 7 and breach 8 more is conducive to metabolism growth between osseous tissue after can making implantation body implant in the spongy bone of tibia lower end, can realize tight connection.
As shown in Figure 3, described buffer unit 6 comprises bumper post 12, buffer body 13 and padded coaming 14; Described bumper post 12 is arranged on the upper end of buffer body 13, and described padded coaming 14 is arranged in buffer body 13, and the lower end of described buffer body 13 is equipped with adjustable screw 15, and adjustable screw can be regulated the buffer condition of buffer unit.
Described padded coaming 14 is spring, elastic steel sheet or filling flexible material;
Described flexible material is medical bio silica gel or ultra high molecular polyethylene, also comprises any flexible material that can realize elastic buffer function that can expect of other those skilled in the art.
The above is only preferred implementation of the present utility model; should be noted that; for those skilled in the art; under the prerequisite that does not break away from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. buffer-type artificial ankle joint is characterized in that it comprises be used to the implantation body, ligament tibia end soleplate, ligament tibia end articular surface, astragalus end articular surface, astragalus end soleplate and the buffer unit that are installed in the spongy bone of tibia lower end; Described implantation body is hollow form, and its perisporium is provided with perforate; One end of described ligament tibia end soleplate and implantation body are flexibly connected, and the other end is pegged graft and is fastened on the ligament tibia end articular surface; Described astragalus end articular surface and described astragalus end soleplate axle are connected; Described astragalus end soleplate is provided with for the shock-absorbing hole that buffer unit is installed.
2. buffer-type artificial ankle joint according to claim 1 is characterized in that the end margin of described implantation body in being installed on tibia lower end spongy bone is provided with arc notch.
3. buffer-type artificial ankle joint according to claim 1, it is characterized in that described ligament tibia end soleplate is provided with for the hole of axial location and is used for the flange of radial location, described ligament tibia end articular surface is provided with the axle that coordinates grafting with the hole and the groove that is engaged with flange.
4. buffer-type artificial ankle joint according to claim 1 is characterized in that the axle place of being connected of described astragalus end articular surface and described astragalus end soleplate is provided with the retaining pin.
5. one of according to claim 1-4 described buffer-type artificial ankle joints, is characterized in that described buffer unit comprises bumper post, buffer body, padded coaming and adjustable screw; Described bumper post is arranged on the upper end of buffer body, and described padded coaming is arranged in buffer body, and the lower end of described buffer body is equipped with adjustable screw.
6. buffer-type artificial ankle joint according to claim 5, is characterized in that described padded coaming is spring, elastic steel sheet or filling flexible material.
7. buffer-type artificial ankle joint according to claim 6, is characterized in that described flexible material is medical bio silica gel or ultra high molecular polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220599570 CN203001181U (en) | 2012-11-14 | 2012-11-14 | Buffer type artificial ankle joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220599570 CN203001181U (en) | 2012-11-14 | 2012-11-14 | Buffer type artificial ankle joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203001181U true CN203001181U (en) | 2013-06-19 |
Family
ID=48592821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220599570 Expired - Fee Related CN203001181U (en) | 2012-11-14 | 2012-11-14 | Buffer type artificial ankle joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203001181U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920536A (en) * | 2012-11-14 | 2013-02-13 | 黄国富 | Buffer-type artificial ankle joint |
| CN105101896A (en) * | 2014-03-25 | 2015-11-25 | 瑞特医疗技术公司 | Revision implant augments, systems, and methods |
| CN107835669A (en) * | 2015-05-22 | 2018-03-23 | Ebm融合解决方案有限责任公司 | Joint or section bone implant for malformation correction |
| US9949839B2 (en) | 2013-03-13 | 2018-04-24 | Wright Medical Technology, Inc. | Revision implant augments, systems, and methods |
-
2012
- 2012-11-14 CN CN 201220599570 patent/CN203001181U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920536A (en) * | 2012-11-14 | 2013-02-13 | 黄国富 | Buffer-type artificial ankle joint |
| US9949839B2 (en) | 2013-03-13 | 2018-04-24 | Wright Medical Technology, Inc. | Revision implant augments, systems, and methods |
| CN105101896A (en) * | 2014-03-25 | 2015-11-25 | 瑞特医疗技术公司 | Revision implant augments, systems, and methods |
| CN107835669A (en) * | 2015-05-22 | 2018-03-23 | Ebm融合解决方案有限责任公司 | Joint or section bone implant for malformation correction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102920536A (en) | Buffer-type artificial ankle joint | |
| CN203852451U (en) | Rotary-platform type knee joint prosthesis | |
| US20200360146A1 (en) | Hip Joint Device | |
| CN203001181U (en) | Buffer type artificial ankle joint | |
| CN204798090U (en) | Assist support in utensil | |
| CN107714391A (en) | A kind of electrodynamic type hip joint healing device | |
| CN103505307B (en) | A kind of Biotype artificial hip joint femoral component | |
| CN201870715U (en) | Intervertebral fusion device | |
| US20150025641A1 (en) | Shock-absorbing humeral implant for shoulder arthroplasty | |
| WO2013067859A1 (en) | Buffering surface-type knee joint | |
| MX2012000527A (en) | Hip joint device and method. | |
| CN107361881A (en) | A kind of distal femur prosthese using trabecular bone structure for increasing bone reserve capacity | |
| JP2021072940A (en) | Hip joint device and method | |
| CN208942488U (en) | Bone prosthetic appliance | |
| CN208404992U (en) | The distal femur prosthese using trabecular bone structure of bone reserve capacity can be increased | |
| CN206460709U (en) | Posterolateral approach total hip replacement operation teaching model | |
| CN216221879U (en) | Novel artificial ankle joint | |
| CN101999950A (en) | Interbody fusion cage | |
| CN204971716U (en) | Artifical ankle joint | |
| CN205849594U (en) | High matching degree bion knee-joint prosthesis | |
| CN213249622U (en) | Visual intelligent torque wrench | |
| CN203059978U (en) | Bone connecting device | |
| CN208081343U (en) | A kind of knee joint tibial component | |
| CN202982198U (en) | Proximal femur condyle steel plate | |
| CN104887359B (en) | Artificial ankle joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |