CN107374788B - Anatomic type ankle joint prosthesis with fixing pad - Google Patents
Anatomic type ankle joint prosthesis with fixing pad Download PDFInfo
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- CN107374788B CN107374788B CN201710754997.3A CN201710754997A CN107374788B CN 107374788 B CN107374788 B CN 107374788B CN 201710754997 A CN201710754997 A CN 201710754997A CN 107374788 B CN107374788 B CN 107374788B
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- side component
- tibia
- pins
- talus
- sliding surface
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- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
-
- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
-
- 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
- A61F2002/4205—Tibial components
-
- 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
- A61F2002/4207—Talar components
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
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 invention discloses an anatomic type ankle joint prosthesis with a fixed pad, which comprises a tibia side component, a fixed pad and a talus side component and is characterized in that the top end of the tibia side component is provided with an upper supporting surface, four corners of the upper supporting surface are respectively and fixedly provided with four raised first pins, and the middle part of the tibia side component is fixedly connected with the middle part of the bottom end of the cut tibia distal end through niche screws. The middle part of the tibia side component is fixedly connected with the distal end of the talus through the niche screw, the upper supporting surface is fixedly connected with the distal end of the tibia through the four first pins, the four first pins are arranged in an isosceles trapezoid shape, meanwhile, the connection between the tibia side component and the distal end of the tibia after osteotomy is more stable, the lower sliding surface arranged at the bottom end of the fixing pad is in sliding connection with the upper sliding surface arranged at the top end of the talus side component, and the upper supporting surface, the lower sliding surface and the upper sliding surface are arc-shaped and are matched with the radian of the joint surface of the distal end of the tibia, so that the prosthesis is more in line with the real ankle structure of a human body.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to an anatomic type ankle joint prosthesis with a fixed pad.
Background
The artificial total ankle joint prosthesis is mainly applied to various patients with ankle joint pain, deformity and loss of functions caused by wounds, autoimmune diseases and degenerative diseases, and the current common total ankle joint fusion operation can cause the patients to lose almost all ankle joint movement functions, and the total ankle joint replacement can keep most ankle joint movement functions and thoroughly solve the pain and deformity problems of the patients. The domestic and foreign patent inquiry results show that no full ankle prosthesis is designed to completely simulate the real ankle anatomy structure of human body, the biomechanics are changed, and the motion rule and characteristics under physiological conditions are not met. Therefore, the revision rate, the prosthesis loosening rate and the instability are high. Stability and durability of artificial joints have been the most important factor limiting their development for more than half a century since the first generation of artificial total ankle applications. And the requirements of patients on the quality of life are increasing, so the requirements on the ankle joint function are also increasing. However, under the condition that the prior ankle joint prosthesis still cannot provide good stability, durability and good functions, the design and the invention of the novel artificial full ankle joint prosthesis can provide a better treatment mode for patients, relieve the pain of the patients, reduce the probability of deformity and disability of the patients and greatly improve the life quality of the patients, so that the invention provides an anatomic type fixed pad ankle joint prosthesis.
Disclosure of Invention
In order to overcome the defects of high repair rate, high looseness rate and low stability of the ankle joint prosthesis in the prior art, the invention provides an anatomic type fixing pad ankle joint prosthesis.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses an anatomic type fixed pad ankle joint prosthesis which comprises a tibia side component, a fixed pad and a talus side component, wherein an upper supporting surface is arranged at the top end of the tibia side component, four corners of the upper supporting surface are respectively fixedly provided with four protruding first pins and fixedly connected with the tibia far end after osteotomy, the middle part of the tibia side component is fixedly connected with the middle part of the tibia far end bottom after osteotomy through niche screws in a reinforcing way, a lower jogging surface is arranged at the bottom end of the tibia side component, the lower jogging surface is jogged with an upper connecting surface arranged at the top end of the fixed pad, a lower sliding surface is arranged at the bottom end of the fixed pad, the lower sliding surface is movably connected with an upper sliding surface arranged at the top end of the talus side component, a lower connecting surface is arranged at the bottom end of the talus side component, a tubular rod is arranged at the middle part of the lower connecting surface, two protruding second pins are fixedly arranged at two corners of one side of the lower connecting surface, and the lower connecting surface is fixedly connected with the top ends of a talus through the tubular rod and the two second pins.
Further, the tibial side component is composed of a titanium alloy, the fixation pad is composed of ultra-high molecular polyethylene, and the talus side component is composed of a cobalt chromium molybdenum alloy.
Further, the upper bearing surface and the lower connecting surface of the tibial side component and the talus side component are both rough or porous structures.
Furthermore, the tibia side component is designed into a central hollow thread.
Further, the upper bearing surface, the lower sliding surface and the upper sliding surface are all arc-shaped and are matched with the radian of the far-end joint surface of the tibia.
Further, the four first pins are arranged in an isosceles trapezoid.
Furthermore, the niche screw is a hollow screw made of titanium alloy materials.
Further, the lower connecting surface is provided with a tubular rod and two protruding second pins which are arranged in an equilateral triangle.
Compared with the prior art, the invention has the following beneficial effects: the anatomical fixed pad ankle joint prosthesis has the advantages that the middle part of the tibial side component is fixedly connected with the distal end of the talus through the niche screw, the upper supporting surface is fixedly connected with the distal end of the tibia through four first pins, the four first pins are arranged in an isosceles trapezoid, the connection between the tibial side component and the distal end of the tibia is more stable, the lower sliding surface arranged at the bottom end of the fixing pad is in sliding connection with the upper sliding surface arranged at the top end of the talus side component, the upper supporting surface, the lower sliding surface and the upper sliding surface are arc-shaped and are matched with the radian of the joint surface at the distal end of the tibia, so that the prosthesis is more in accordance with the real ankle joint structure of a human body, the biomechanics are prevented from being changed after the prosthesis is implanted, the tibia side component is composed of titanium alloy, the fixing pad is composed of ultra-high molecular polyethylene, the talus side component is composed of cobalt-chromium-molybdenum alloy, the quality of the prosthesis can be reduced through light weight and corrosion resistance of titanium alloy, meanwhile, the service life of the prosthesis is prolonged, the abrasion of the talus side component after long-time use is prevented through the abrasion resistance of cobalt-chromium-molybdenum alloy, the service life of the talus side component is prolonged, the repair rate of the prosthesis is reduced, the lower connecting surface arranged at the bottom end of the talus side component is fixedly connected with the top end of the talus through the tubular rod and the two second pins, and the tubular rod and the two protruding second pins are arranged in an equilateral triangle shape, so that the tubular rod and the two protruding second pins are better attached to the talus, the stability of the talus side component is improved, the pain of the prosthesis is further improved, the malformation and disability of a patient are reduced.
Drawings
FIG. 1 is a schematic view of the structure of an anatomic fixation spacer ankle prosthesis of the present invention;
FIG. 2 is a schematic top view of a tibial side component of an anatomic fixation spacer ankle prosthesis of the present invention;
fig. 3 is a schematic view of the inferior connecting surface structure of an anatomic fixation spacer ankle prosthesis of the present invention.
In the figure: 1. a tibial side component; 2. fixing the pad; 3. a talus side assembly; 4. an upper bearing surface; 5. a lower mating surface; 6. a first pin; 7. niche screws; 8. a distal tibial end; 9. an upper connection surface; 10. a lower sliding surface; 11. an upper sliding surface; 12. a lower connection surface; 13. a tubular rod; 14. a second pin; 15. talus bone.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-3, an anatomic type fixation pad ankle joint prosthesis comprises a tibia side component 1, a fixation pad 2 and a talus side component 3, and is characterized in that the top end of the tibia side component 1 is provided with an upper supporting surface 4, four corners of the upper supporting surface 4 are respectively fixedly provided with four raised first pins 6 fixedly connected with a tibia far end 8 after osteotomy, the middle part of the tibia side component 1 is fixedly connected with the middle part of the bottom end of the tibia far end 8 after osteotomy through niche screws 7, the bottom end of the tibia side component 1 is provided with a lower jogged surface 5, the lower jogged surface 5 is jogged with an upper connecting surface 9 arranged at the top end of the fixation pad 2, the bottom end of the fixation pad 2 is provided with a lower sliding surface 10, the lower sliding surface 10 is movably connected with an upper sliding surface 11 arranged at the top end of the talus side component 3, the bottom end of the talus side component 3 is provided with a lower connecting surface 12, the middle part of the lower connecting surface 12 is provided with a fixed tubular rod 13, two raised second pins 14 are fixedly arranged at two corners on one side of the lower connecting surface 12, and the lower connecting surface 12 is fixedly connected with the top end of the two second pins 15 through a tubular rod 13 and two pins 14.
Wherein, the tibia side component 1 is composed of titanium alloy, the fixing pad 2 is composed of ultra-high molecular polyethylene, the talus side component 3 is composed of cobalt chromium molybdenum alloy, the quality of the prosthesis can be reduced through the light weight and corrosion resistance of the titanium alloy, the service life of the prosthesis is prolonged, and the abrasion of the talus side component 3 after long-time use is prevented through the abrasion resistance of the cobalt chromium molybdenum alloy, so that the service life of the talus side component 3 is prolonged.
Wherein the upper bearing surface 4 and the lower connecting surface 12 of the tibial side component 1 and the talar side component 3 are of rough or porous structure, and the looseness of the joint of the tibial side component 1 and the tibia far end 8 and the talar side component 3 and the talar 15 is reduced.
Wherein, shin side subassembly 1 is central fretwork screw thread design, and shin side subassembly 1 of being convenient for is connected through niche screw 7 and shin distal end 8 fixed connection, prevents niche screw 7 simultaneously that stationary washer 2 from blocking with shin side subassembly 1 gomphosis.
Wherein, the upper supporting surface 4, the lower sliding surface 10 and the upper sliding surface 11 are arc-shaped and are matched with the radian of the joint surface of the distal tibia 8, so that the prosthesis is better attached to the distal tibia 8 and the talus 15 of the human body, and the prosthesis is more in accordance with the real ankle joint structure of the human body.
The four first pins 6 are arranged in an isosceles trapezoid, so that the four first pins 6 are better matched with the tibia far end 8, and meanwhile, the stability of the prosthesis is improved.
The niche screw 7 is a hollow screw made of titanium alloy, and the connection between the tibia side component 1 and the tibia far end 8 is more stable due to the high specific strength of the titanium alloy.
Wherein, the tubular rod 13 and the second pins 14 of two protrusions that are arranged on the lower connecting surface 12 are arranged in an equilateral triangle, so that the tubular rod 13 and the second pins 14 of two protrusions are better attached to the talus 15, the stability of the connection between the talus side component 3 and the talus 15 is improved, and the occurrence of looseness is avoided.
It should be noted that, in the present invention, when the anatomical fixing pad ankle joint prosthesis is used, firstly, the upper supporting surface 4 provided at the top end of the tibial side component 1 is fixedly connected with the cut distal tibia end 8 through four first pins 6, because the four first pins 6 are arranged in an isosceles trapezoid, the four first pins 6 better cooperate with the distal tibia end 8, meanwhile, the middle part of the tibial side component 1 is fixedly connected with the middle part of the bottom end of the distal tibia end 8 through the niche screw 7, the connection between the tibial side component 1 and the distal tibia end 8 is more stable through twice fixation, then, the lower connecting surface 12 provided at the bottom end of the talus side component 3 is fixedly connected with the top end of the talus 15 through two second pins 14 and a tubular rod 13, because the tubular rod 13 and the two protruding second pins 14 are arranged in an equilateral triangle, the tubular rod 13 and the two protruding second pins 14 are better jointed with the talus 15, the stability of the talus side component 3 is improved, then the upper connecting surface 9 arranged at the top end of the fixed liner 2 is embedded with the lower embedded surface 5 arranged at the bottom end of the tibia side component 1, meanwhile, the upper sliding surface 10 arranged at the bottom end of the fixed liner 2 is movably connected with the upper sliding surface 11 arranged at the top end of the talus side component 3, the whole prosthesis is formed, the radian of the upper supporting surface 4, the lower sliding surface 10 and the upper sliding surface 11 are all arc-shaped and are matched with the radian of the joint surface of the distal end 8 of the tibia, the whole prosthesis is more in accordance with the real ankle structure of a human body, the biomechanics are prevented from being changed after the prosthesis is implanted, meanwhile, the upper supporting surface 4 and the lower connecting surface 12 are of rough or porous structures, the looseness rate of the joint parts of the tibia side component 1 and the distal end 8 of the tibia side component 3 and the talus 15 is reduced, because the tibia side component 1 is composed of titanium alloy, the fixing liner 2 is made of ultra-high molecular polyethylene, the talar side component 3 is made of cobalt-chromium-molybdenum alloy, the quality of the prosthesis can be reduced through light weight and corrosion resistance of the titanium alloy, and the abrasion of the talar side component 3 after long-time use is prevented through the abrasion resistance of the cobalt-chromium-molybdenum alloy, so that the service life of the prosthesis is prolonged, and the repair rate of the prosthesis is reduced.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an anatomic fixed pad ankle joint prosthesis, includes tibia side component (1), fixed pad (2) and talus side component (3), its characterized in that, the top of tibia side component (1) is equipped with upper supporting surface (4), the four corners of upper supporting surface (4) are fixed respectively and are equipped with four protruding first pins (6) and the tibia distal end (8) fixed connection after the osteotomy, the middle part of tibia side component (1) strengthens fixed connection through niche screw (7) with the middle part of tibia distal end (8) bottom after the osteotomy, the bottom of tibia side component (1) is equipped with down gomphosis face (5), down gomphosis face (5) and the last connecting surface (9) that are equipped with on fixed pad (2) top gomphosis, the bottom of fixed pad (2) is equipped with down sliding surface (10), the upper sliding surface (11) that are equipped with on lower sliding surface (10) and bone side component (3) top are equipped with movable connection, the bottom of bone side component (3) is equipped with down connecting surface (12), the angle of connecting surface (12) is equipped with the protruding second pin (14) of two opposite sides of connecting rod (13), the lower connecting surface (12) is fixedly connected with the top end of the talus (15) through a tubular rod (13) and two second pins (14); the four first pins (6) are arranged in an isosceles trapezoid; the tibia side component (1) is designed into a central hollow thread; the niche screw (7) is a hollow screw made of titanium alloy materials.
2. An anatomic fixation spacer ankle prosthesis according to claim 1, characterized in that the tibial side component (1) consists of a titanium alloy, the fixation spacer (2) consists of ultra high molecular weight polyethylene and the talus side component (3) consists of a cobalt chromium molybdenum alloy.
3. An anatomic fixation spacer ankle prosthesis according to claim 1, characterized in that the upper bearing surface (4) and the lower connecting surface (12) of the tibial side component (1) and the talar side component (3) are of a roughened or porous structure.
4. An anatomic fixation spacer ankle prosthesis according to claim 1, characterized in that the upper bearing surface (4), the lower sliding surface (10) and the upper sliding surface (11) are arc-shaped and match the curvature of the articular surface of the distal tibia (8).
5. An anatomic fixation spacer ankle prosthesis according to claim 1, characterized in that the lower connecting surface (12) is provided with a tubular rod (13) and two protruding second pins (14) arranged in an equilateral triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754997.3A CN107374788B (en) | 2017-08-29 | 2017-08-29 | Anatomic type ankle joint prosthesis with fixing pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754997.3A CN107374788B (en) | 2017-08-29 | 2017-08-29 | Anatomic type ankle joint prosthesis with fixing pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107374788A CN107374788A (en) | 2017-11-24 |
| CN107374788B true CN107374788B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710754997.3A Active CN107374788B (en) | 2017-08-29 | 2017-08-29 | Anatomic type ankle joint prosthesis with fixing pad |
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| CN (1) | CN107374788B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109330748A (en) * | 2018-11-20 | 2019-02-15 | 中国人民解放军陆军军医大学第附属医院 | A kind of ankle prosthesis shin bone sidepiece part |
| CN109998739B (en) * | 2019-05-16 | 2024-03-29 | 上海交通大学医学院附属第九人民医院 | Combined artificial total ankle joint prosthesis |
| CN112155804B (en) * | 2020-10-19 | 2023-05-23 | 山东威高骨科材料股份有限公司 | Customized 3D prints ankle joint device |
| US20220313446A1 (en) * | 2021-04-01 | 2022-10-06 | Wright Medical Technology, Inc. | Low-profile prostheses, systems, and methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6409767B1 (en) * | 1999-11-05 | 2002-06-25 | European Foot Platform | Ankle prosthesis |
| CN101098666A (en) * | 2004-11-08 | 2008-01-02 | 阿法梅德医疗技术费希尔有限责任公司 | Endoprosthetic elements for an ankle joint |
| CN105030385A (en) * | 2015-08-27 | 2015-11-11 | 江苏奥康尼医疗科技发展有限公司 | All-organic high molecular material ankle joint prosthesis |
| CN105722478A (en) * | 2014-09-12 | 2016-06-29 | 瑞特医疗技术公司 | Talar dome prosthesis |
| CN208404993U (en) * | 2017-08-29 | 2019-01-22 | 中国人民解放军第三军医大学 | A kind of anatomical form fixed-bearing ankle prosthesis |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7011687B2 (en) * | 2003-01-06 | 2006-03-14 | Depuy Products, Inc. | Ankle prosthesis with a front loading bearing and associated method |
| US20110035019A1 (en) * | 2009-07-09 | 2011-02-10 | Wright State University | Total ankle replacement system |
| US8668743B2 (en) * | 2010-11-02 | 2014-03-11 | Adam D. Perler | Prosthetic device with multi-axis dual bearing assembly and methods for resection |
| CA2984224A1 (en) * | 2014-05-12 | 2015-11-19 | Integra Lifesciences Corporation | Total ankle replacement prosthesis |
-
2017
- 2017-08-29 CN CN201710754997.3A patent/CN107374788B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6409767B1 (en) * | 1999-11-05 | 2002-06-25 | European Foot Platform | Ankle prosthesis |
| CN101098666A (en) * | 2004-11-08 | 2008-01-02 | 阿法梅德医疗技术费希尔有限责任公司 | Endoprosthetic elements for an ankle joint |
| CN105722478A (en) * | 2014-09-12 | 2016-06-29 | 瑞特医疗技术公司 | Talar dome prosthesis |
| CN105030385A (en) * | 2015-08-27 | 2015-11-11 | 江苏奥康尼医疗科技发展有限公司 | All-organic high molecular material ankle joint prosthesis |
| CN208404993U (en) * | 2017-08-29 | 2019-01-22 | 中国人民解放军第三军医大学 | A kind of anatomical form fixed-bearing ankle prosthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107374788A (en) | 2017-11-24 |
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