JP6718908B2 - αタイプの人工大腿ステムプロテーゼ - Google Patents
αタイプの人工大腿ステムプロテーゼ Download PDFInfo
- Publication number
- JP6718908B2 JP6718908B2 JP2018074842A JP2018074842A JP6718908B2 JP 6718908 B2 JP6718908 B2 JP 6718908B2 JP 2018074842 A JP2018074842 A JP 2018074842A JP 2018074842 A JP2018074842 A JP 2018074842A JP 6718908 B2 JP6718908 B2 JP 6718908B2
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- Prior art keywords
- stem
- femoral
- femoral stem
- prosthesis
- neck
- 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.)
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- 210000002436 femur neck Anatomy 0.000 claims description 27
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 14
- 239000010936 titanium Substances 0.000 claims description 14
- 229910052719 titanium Inorganic materials 0.000 claims description 14
- 239000012982 microporous membrane Substances 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims 1
- 238000001356 surgical procedure Methods 0.000 description 12
- 210000000689 upper leg Anatomy 0.000 description 9
- 208000002193 Pain Diseases 0.000 description 8
- 210000000988 bone and bone Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000002513 implantation Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 206010073767 Developmental hip dysplasia Diseases 0.000 description 4
- 208000012287 Prolapse Diseases 0.000 description 4
- 210000002449 bone cell Anatomy 0.000 description 4
- 230000012010 growth Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000035755 proliferation Effects 0.000 description 4
- 210000004872 soft tissue Anatomy 0.000 description 4
- 208000009248 Congenital Hip Dislocation Diseases 0.000 description 3
- 210000000588 acetabulum Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 210000001185 bone marrow Anatomy 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 210000001624 hip Anatomy 0.000 description 3
- 210000004394 hip joint Anatomy 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 206010051728 Bone erosion Diseases 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 230000008468 bone growth Effects 0.000 description 2
- 230000001054 cortical effect Effects 0.000 description 2
- 208000014906 developmental dysplasia of the hip Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 206010002961 Aplasia Diseases 0.000 description 1
- 206010064516 Femoral anteversion Diseases 0.000 description 1
- 208000007446 Hip Dislocation Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000011882 arthroplasty Methods 0.000 description 1
- 208000035790 developmental dysplasia of the hip 1 Diseases 0.000 description 1
- 210000001981 hip bone Anatomy 0.000 description 1
- 208000012285 hip pain Diseases 0.000 description 1
- 208000030175 lameness Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3662—Femoral shafts
-
- 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
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
-
- 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
- A61F2/28—Bones
- A61F2002/2825—Femur
-
- 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
- A61F2002/3082—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
- A61F2002/30838—Microstructures
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3662—Femoral shafts
- A61F2002/3678—Geometrical features
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)
Description
2−大腿骨頚部
3−ステム
4−大腿ステム近位部
5−大腿ステム中位部
6−大腿ステム遠位部
7−ツール操作孔
8−微細溝
Claims (6)
- 一体型の連結した大腿ステムコーンと、大腿骨頚部と、ステムとを含み、前記大腿骨頚部の上端面にツール操作孔が設置されているαタイプの人工大腿ステムプロテーゼであって、前記ステムは、大腿ステム近位部、大腿ステム中位部および大腿ステム遠位部を含み、前記大腿骨頚部とステムの間に偏角を備え、
前記大腿ステム遠位部の高さは14−22mmであり、前記大腿ステム遠位部の最大断面直径は7−13mmであり、
前記大腿ステム遠位部の最大断面直径は1mmずつ勾配が逓増し、前記大腿ステム遠位部の高さはこれに応じて増え、
前記大腿ステム近位部と大腿ステム中位部の外表面に含チタン微小多孔膜を備え、前記含チタン微小多孔膜の厚さは100−200μmであり、孔隙率は10−80%であり、含チタン微小多孔膜の粘着強度は45MPa以上であり、前記含チタン微小多孔膜表面の粗度は100μm以上であり、
前記大腿ステム近位部の外表面に微細溝を設置しており、微細溝幅は1.0−1.1mmであり、深さは0.4−0.5mmであり、
前記大腿骨頚部とステムの間の偏角角度は35°であり、偏角方向は左向きもしくは右向きである、ことを特徴とするαタイプの人工大腿ステムプロテーゼ。 - 前記ステムの中心線と大腿骨頚部中心線の間に120°−140°の夾角をなすことを特徴とする請求項1に記載のαタイプの人工大腿ステムプロテーゼ。
- 前記ステムの中心線と大腿骨頚部中心線の間に130°の夾角をなすことを特徴とする請求項1に記載のαタイプの人工大腿ステムプロテーゼ。
- 前記大腿ステム遠位部は高研磨仕上げの弾丸構造であることを特徴とする請求項1〜3に記載のいずれかのαタイプの人工大腿ステムプロテーゼ。
- 前記大腿骨頚部の横断面は楕円形であることを特徴とする請求項4に記載のαタイプの人工大腿ステムプロテーゼ。
- 前記大腿ステム近位部と大腿ステム中位部の横断面はくさび形であることを特徴とする請求項4に記載のαタイプの人工大腿ステムプロテーゼ。
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720976081.8 | 2017-08-07 | ||
CN201720976081 | 2017-08-07 | ||
CN201721684843 | 2017-12-06 | ||
CN201721684843.3 | 2017-12-06 | ||
CN201820289735.4 | 2018-03-01 | ||
CN201820289735 | 2018-03-01 | ||
CN201810172072.2 | 2018-03-01 | ||
CN201810172072.2A CN108210128B (zh) | 2017-08-07 | 2018-03-01 | 一种人工α股骨柄假体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019030630A JP2019030630A (ja) | 2019-02-28 |
JP6718908B2 true JP6718908B2 (ja) | 2020-07-08 |
Family
ID=65367527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018074842A Active JP6718908B2 (ja) | 2017-08-07 | 2018-04-09 | αタイプの人工大腿ステムプロテーゼ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6718908B2 (ja) |
KR (1) | KR102168618B1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110613535A (zh) * | 2019-10-25 | 2019-12-27 | 北京安颂科技有限公司 | 股骨柄假体及其制造方法 |
EP4159165A4 (en) | 2020-05-29 | 2024-03-06 | Kyocera Corporation | SHAFT FOR ARTIFICIAL JOINT |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4546501A (en) * | 1982-09-28 | 1985-10-15 | Gustilo Ramon B | Hip prosthesis |
DE69228190T2 (de) * | 1991-10-07 | 1999-09-23 | Boehringer Mannheim Corp., Indianapolis | Femorales hüftimplantat mit verringerter steifheit |
NZ277879A (en) * | 1994-02-01 | 1998-03-25 | Howmedica | Fermoral stem prosthesis, formed from biocompatible material and having a coated surface of specified material |
WO1996002213A1 (en) * | 1994-07-14 | 1996-02-01 | Ortho Development Corporation | Proximal conical stem |
ES2176396T3 (es) * | 1995-08-25 | 2002-12-01 | Bristol Myers Squibb Co | Implante protesico con aletas. |
US5776204A (en) * | 1996-05-24 | 1998-07-07 | Howmedica Inc. | Asymmetric hip stem |
JP4169973B2 (ja) | 2000-12-14 | 2008-10-22 | デピュイ・プロダクツ・インコーポレイテッド | 人工器官、人工器官のステム、および人工器官の製造方法 |
US6616697B2 (en) * | 2001-03-13 | 2003-09-09 | Nicholas G. Sotereanos | Hip implant assembly |
JP2004065873A (ja) * | 2002-08-05 | 2004-03-04 | Masahiro Kimura | クランクネック型大腿コンポーネントを用いた人工股関節 |
US7575603B2 (en) * | 2004-05-28 | 2009-08-18 | Smith & Nephew, Inc. | Fluted intramedullary stem |
WO2007109601A2 (en) * | 2006-03-20 | 2007-09-27 | Zimmer Technology, Inc. | Prosthetic hip implants |
CN201510379U (zh) * | 2009-10-21 | 2010-06-23 | 北京市春立正达科技开发有限公司 | 髋关节假体 |
-
2018
- 2018-04-05 KR KR1020180039472A patent/KR102168618B1/ko active IP Right Grant
- 2018-04-09 JP JP2018074842A patent/JP6718908B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2019030630A (ja) | 2019-02-28 |
KR20190015981A (ko) | 2019-02-15 |
KR102168618B1 (ko) | 2020-10-22 |
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