JP2009508545A - 人工股関節のブレード状ステム - Google Patents
人工股関節のブレード状ステム Download PDFInfo
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- JP2009508545A JP2009508545A JP2008530349A JP2008530349A JP2009508545A JP 2009508545 A JP2009508545 A JP 2009508545A JP 2008530349 A JP2008530349 A JP 2008530349A JP 2008530349 A JP2008530349 A JP 2008530349A JP 2009508545 A JP2009508545 A JP 2009508545A
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- Prior art keywords
- stem
- proximal
- femur
- stem according
- distal
- 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.)
- Granted
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- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
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- A—HUMAN NECESSITIES
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- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
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- 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
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- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
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- A—HUMAN NECESSITIES
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- 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
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- A—HUMAN NECESSITIES
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- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0073—Quadric-shaped
- A61F2230/008—Quadric-shaped paraboloidal
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
【選択図】図1
Description
1 ステム
2 大腿骨固定部
3 末端
4 長手方向軸
5 内側幅狭面
6 プロテーゼネック軸
7 プロテーゼネック
8 外側幅狭面
9 転子翼状部
本発明
10 ステム
11 基端側外側ステム曲率(外側基端側円弧状部分)
12 曲線
13 外側末端側ステム外郭
14 基端側内側ステム外郭
15 図6のステムの導入曲線
16 図7のステムの導入曲線
17 図1のステムの導入曲線
18 プロテーゼネック
19 部分
20 末端
21 大腿骨固定部
22 外側幅狭面
23 末端側外側直線状部分
24 ステム軸
Claims (8)
- 大腿骨に固定するための人工股関節のブレード状ステム(10)であって、プロテーゼネック(18)からなる部分(19)と、末端(20)に向かってテーパする大腿骨固定部(21)とを有し、大腿骨固定部(21)の外側幅狭面(22)は末端側直線状部分(23)と基端側円弧状部分(11)とを有し、直線状部分(23)はステム(10)の全長(LG)の60%〜75%の長さ(LD)にわたって延びることを特徴とするブレード状ステム。
- 前記外側直線状部分(23)は、連続的すなわち接線としてまたは非連続的すなわち角度のずれがあるように前記外側円弧状部分(11)につながることを特徴とする請求項1に記載のステム。
- 前記外側円弧状部分(11)は、ステムの外側末端側(13)かつ基端側内側(14)の外郭と対応する空洞の境界との接触が維持された状態でステム(10)の外側幅狭面(または対応するラスプ)の基端が大腿骨に形成された、形状が一致した空洞内に導入される際に描く曲線に一致する「トラクトリックス」の形態にあることを特徴とする請求項1または2に記載のステム。
- 前記基端側円弧状部分(11)は200mm〜500mm間の一定の半径を有し、特にこの範囲内で連続的または非連続的に変化する半径を有するように構成されることを特徴とする請求項1乃至3のいずれか1項に記載のステム。
- 前記基端側円弧状部分(11)は、末端側から基端側へと連続的または非連続的に大きくなる半径を有するように構成されることを特徴とする請求項1乃至4のいずれか1項に記載のステム。
- 前記固定部が、末端(20)から長手方向軸(24)に沿って外側末端側直線状部分(23)の全長にわたって、全周または外側−内側方向にのみ、円錐状に拡大していることを特徴とする請求項1乃至5のいずれか1項に記載のステム。
- 断面形状が、長方形、台形または菱形であることを特徴とする請求項1乃至6のいずれか1項に記載のステム。
- 全周が円錐状に拡大する固定部(21)の場合、該円錐角は、特に腹側及び/または背側に約0.5°〜6°、特に約1°〜3°であることを特徴とする請求項6または7に記載のステム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005044872 | 2005-09-20 | ||
DE102005044872.0 | 2005-09-20 | ||
DE102005048873A DE102005048873A1 (de) | 2005-09-20 | 2005-10-12 | Blattartiger Schaft für Hüftgelenkprothese |
DE102005048873.0 | 2005-10-12 | ||
PCT/EP2006/007842 WO2007033727A1 (de) | 2005-09-20 | 2006-08-08 | Blattartiger schaft einer hüftgelenkprothese |
Publications (2)
Publication Number | Publication Date |
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JP2009508545A true JP2009508545A (ja) | 2009-03-05 |
JP5020957B2 JP5020957B2 (ja) | 2012-09-05 |
Family
ID=37199026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008530349A Active JP5020957B2 (ja) | 2005-09-20 | 2006-08-08 | 人工股関節のブレード状ステム |
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Country | Link |
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US (2) | US9498340B2 (ja) |
EP (1) | EP1926456B1 (ja) |
JP (1) | JP5020957B2 (ja) |
CN (1) | CN101267782B (ja) |
AT (1) | ATE533443T1 (ja) |
CA (1) | CA2622010C (ja) |
DE (1) | DE102005048873A1 (ja) |
ES (1) | ES2378974T3 (ja) |
WO (1) | WO2007033727A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101904029B1 (ko) * | 2010-05-12 | 2018-10-05 | 스미스 앤드 네퓨 올소피딕스 에이지 | 개선된 고관절 보철물 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005048873A1 (de) * | 2005-09-20 | 2007-03-29 | Plus Orthopedics Ag | Blattartiger Schaft für Hüftgelenkprothese |
US8337565B2 (en) | 2005-09-20 | 2012-12-25 | Smith And Nephew Orthopaedics Ag | Hip-joint prosthesis |
GB0720596D0 (en) * | 2007-10-22 | 2007-11-28 | Smith & Nephew | Joint prosthesis |
CN102551921B (zh) * | 2012-01-13 | 2014-07-02 | 南方医科大学 | 一种用于髋关节假体周围骨折手术的人工股骨柄 |
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JP2002360617A (ja) * | 2001-05-25 | 2002-12-17 | W Howie Donald | 補綴用移植材料 |
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CH648748A5 (de) * | 1981-02-19 | 1985-04-15 | Sulzer Ag | Gerader, blattartiger schaft einer gelenkendoprothese. |
GB8401059D0 (en) * | 1984-01-16 | 1984-02-15 | Exeter University Of | Fixation of implants in bone |
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ES2143324T3 (es) * | 1998-02-11 | 2000-05-01 | Plus Endoprothetik Ag | Protesis de articulacion de cadera femoral. |
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DE19916630A1 (de) * | 1999-04-13 | 2000-11-30 | Plus Endoprothetik Ag Rotkreuz | Profilschaft für die Verankerung einer Hüftgelenkprothese im Femur |
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DE102005048873A1 (de) * | 2005-09-20 | 2007-03-29 | Plus Orthopedics Ag | Blattartiger Schaft für Hüftgelenkprothese |
-
2005
- 2005-10-12 DE DE102005048873A patent/DE102005048873A1/de not_active Withdrawn
-
2006
- 2006-08-08 CN CN2006800345496A patent/CN101267782B/zh active Active
- 2006-08-08 WO PCT/EP2006/007842 patent/WO2007033727A1/de active Application Filing
- 2006-08-08 JP JP2008530349A patent/JP5020957B2/ja active Active
- 2006-08-08 AT AT06791566T patent/ATE533443T1/de active
- 2006-08-08 EP EP06791566A patent/EP1926456B1/de active Active
- 2006-08-08 ES ES06791566T patent/ES2378974T3/es active Active
- 2006-08-08 US US12/067,635 patent/US9498340B2/en active Active
- 2006-08-08 CA CA2622010A patent/CA2622010C/en not_active Expired - Fee Related
-
2016
- 2016-11-21 US US15/357,502 patent/US10064731B2/en active Active
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US4404693A (en) * | 1980-01-14 | 1983-09-20 | Sulzer Brothers Limited | Shank for a hip joint prosthesis |
EP0145939A2 (de) * | 1983-11-30 | 1985-06-26 | Protek AG | Zementfrei zu implantierender, blattartiger Schaft für eine Hüftgelenkprothese |
FR2678510A3 (en) * | 1991-07-04 | 1993-01-08 | Gueguen Jean Pierre | Monobloc hip prosthesis |
JP2002360617A (ja) * | 2001-05-25 | 2002-12-17 | W Howie Donald | 補綴用移植材料 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101904029B1 (ko) * | 2010-05-12 | 2018-10-05 | 스미스 앤드 네퓨 올소피딕스 에이지 | 개선된 고관절 보철물 |
Also Published As
Publication number | Publication date |
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JP5020957B2 (ja) | 2012-09-05 |
US10064731B2 (en) | 2018-09-04 |
US20090036994A1 (en) | 2009-02-05 |
DE102005048873A1 (de) | 2007-03-29 |
WO2007033727A1 (de) | 2007-03-29 |
ES2378974T3 (es) | 2012-04-19 |
US9498340B2 (en) | 2016-11-22 |
CA2622010C (en) | 2015-03-17 |
US20170065421A1 (en) | 2017-03-09 |
EP1926456B1 (de) | 2011-11-16 |
CN101267782B (zh) | 2012-08-22 |
ATE533443T1 (de) | 2011-12-15 |
EP1926456A1 (de) | 2008-06-04 |
CA2622010A1 (en) | 2007-03-29 |
CN101267782A (zh) | 2008-09-17 |
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