JP4575146B2 - 対向する関節骨端部を置換するためのインプラント、脛骨支承コンポーネント及び脛骨インプラント - Google Patents
対向する関節骨端部を置換するためのインプラント、脛骨支承コンポーネント及び脛骨インプラント Download PDFInfo
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- JP4575146B2 JP4575146B2 JP2004380433A JP2004380433A JP4575146B2 JP 4575146 B2 JP4575146 B2 JP 4575146B2 JP 2004380433 A JP2004380433 A JP 2004380433A JP 2004380433 A JP2004380433 A JP 2004380433A JP 4575146 B2 JP4575146 B2 JP 4575146B2
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- component
- tibial
- bearing
- implant
- intercondylar
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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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0057—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis made from both cured and uncured parts
-
- 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
-
- 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
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00185—Ceramics or ceramic-like structures based on metal oxides
- A61F2310/00203—Ceramics or ceramic-like structures based on metal oxides containing alumina or aluminium oxide
-
- 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
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00185—Ceramics or ceramic-like structures based on metal oxides
- A61F2310/00239—Ceramics or ceramic-like structures based on metal oxides containing zirconia or zirconium oxide ZrO2
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (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)
- Materials For Medical Uses (AREA)
Description
12 関節支承インサート
14 支持トレイ
20 外側顆コンポーネント
22 顆間コンポーネント
24 関節表面
26 脛骨隆起部
28 ピン
34 蟻形突起
36 蟻形溝
38 顆間コンポーネント
40 脛骨トレイ
42 支承表面
44 関節顆部分
Claims (10)
- 骨格関節に隣接した対向する関節骨端部を置換するためのインプラント(10)であって、
前記対向する関節骨端部の一方の一部を置換するための第1のコンポーネントと、
前記対向する関節骨端部の他方の一部を置換するための第2のコンポーネント(12)とを備え、
該第2のコンポーネント(12)が、前記第1のコンポーネントと低摩擦の関節式接続を行うための手段(24)と、前記第1のコンポーネントと前記第2のコンポーネントとの間の運動を制限するために前記第1のコンポーネントと係合するための手段(26)とを有し、
前記低摩擦の関節式接続を行うための手段(24)が、摩耗性が低く且つ予め定められた靭性値を有する第1の材料を含み、前記係合するための手段(26)が、前記低摩擦の関節式接続を行うための手段(24)より高い予め定められた靭性値を有する第2の材料を含み、
(i)前記第1の材料が架橋ポリエチレンであり、前記第2の材料が非架橋ポリエチレンである、
あるいは、
(ii)前記第1の材料が相対的に高度に架橋したポリエチレンであり、前記第2の材料が相対的に架橋度の低いポリエチレンである、
ことで特徴付けられる、インプラント。 - 前記低摩擦の関節式接続を行うための手段(24)と前記係合するための手段(26)が機械的に接合されて一体形の支承コンポーネントを形成する、請求項1に記載のインプラント。
- 前記第2のコンポーネント(12)が、脛骨コンポーネントであって、
前記関節式接続を行う手段は、各々が関節表面(24)を含む第1及び第2の支承部分(20)と、を備え、
前記第1のコンポーネントと係合するための前記手段は、前記第1の支承部分と前記第2の支承部分との間に配置される顆間部分(26)であり、前記第1の支承部分、前記第2の支承部分(24)、及び前記顆間部分(22)が、機械的に接合されて単一のコンポーネントを形成する三つの別個の小コンポーネントを形成する、請求項1に記載のインプラント。 - 前記顆間部分(22)が脛骨隆起部(26)を含む脛骨トレイ(16)を備え、前記第1の支承部分(20)及び第2の支承部分(22)が、前記隆起部(26)を間に挟んで前記トレイ(14)によって受容される、請求項3に記載の脛骨インプラント。
- 膝関節の近位脛骨表の一部を置換するための脛骨支承コンポーネント(12)であって、
支承表面(24)を有し、該支承表面(24)が、低摩耗支承性能を呈し且つ第1の予め定められた靭性値を有した領域を有する第1の部分(20)と、
顆間領域を有し、該顆間領域が前記第1の予め定められた靭性値より大きい第2の予め定められた靭性値を有した領域(26)を有する第2の部分(22)と、を備え、
前記第1の部分(20)と前記第2の部分(22)が接合されて脛骨支承コンポーネント(12)を形成する、脛骨支承コンポーネントにおいて、
(i)前記第1の部分(20)が架橋ポリエチレンであり、前記第2の部分(22)が非架橋ポリエチレンである、
あるいは、
(ii)前記第1の部分(20)が相対的に高度に架橋したポリエチレンであり、前記第2の部分(22)が相対的に架橋度の低いポリエチレンである、
ことで特徴付けられる、脛骨支承コンポーネント。 - 前記第1の部分(20)と前記第2の部分(22)が、手術中に選択的に接合できるモジュール式の第1の部分(20)及び第2の部分(22)の組として提供される、請求項5に記載の脛骨支承コンポーネント。
- 前記第1の部分と前記第2の部分が、製造時に互いに永久的に接合される、請求項5に記載の脛骨支承コンポーネント。
- 前記脛骨支承コンポーネントが少なくとも一つのピン(32)をさらに備え、前記第1の部分(20)と前記第2の部分(22)が、前記第1の部分及び前記第2の部分の各々の内部に延びる前記ピンによって接合される、請求項5から7のいずれか1つに記載の脛骨支承コンポーネント。
- 前記第1の部分(20)及び前記第2の部分(22)の一方が蟻形突起(34)を含み、前記第1の部分及び前記第2の部分の他方が蟻形溝(36)を含み、前記第1の部分(20)と前記第2の部分(22)が前記蟻形突起(34)を前記蟻形溝(36)に係合させることによって互いに接合される、請求項5から7のいずれか1つに記載の脛骨支承コンポーネント。
- 前記第2の部分(22)が、顆間隆起部(26)と、前記顆間隆起部(26)から延びる一体形トレイ(14)とを備え、
前記トレイ(14)が前記第1の部分を受容するための支持表面を含む、請求項5から9のいずれか1つに記載の脛骨支承コンポーネント。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/751,087 US7288115B2 (en) | 2004-01-02 | 2004-01-02 | Multipart component for an orthopaedic implant |
Publications (2)
Publication Number | Publication Date |
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JP2005193038A JP2005193038A (ja) | 2005-07-21 |
JP4575146B2 true JP4575146B2 (ja) | 2010-11-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004380433A Expired - Fee Related JP4575146B2 (ja) | 2004-01-02 | 2004-12-28 | 対向する関節骨端部を置換するためのインプラント、脛骨支承コンポーネント及び脛骨インプラント |
Country Status (8)
Country | Link |
---|---|
US (2) | US7288115B2 (ja) |
EP (2) | EP1656909B1 (ja) |
JP (1) | JP4575146B2 (ja) |
AT (2) | ATE406853T1 (ja) |
AU (1) | AU2004244651B2 (ja) |
CA (1) | CA2476267C (ja) |
DE (2) | DE602004016346D1 (ja) |
ES (1) | ES2287659T3 (ja) |
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- 2004-01-02 US US10/751,087 patent/US7288115B2/en not_active Expired - Fee Related
- 2004-08-03 CA CA002476267A patent/CA2476267C/en not_active Expired - Fee Related
- 2004-12-24 AT AT06003272T patent/ATE406853T1/de not_active IP Right Cessation
- 2004-12-24 AT AT04258149T patent/ATE366095T1/de not_active IP Right Cessation
- 2004-12-24 DE DE602004016346T patent/DE602004016346D1/de active Active
- 2004-12-24 EP EP06003272A patent/EP1656909B1/en not_active Not-in-force
- 2004-12-24 ES ES04258149T patent/ES2287659T3/es active Active
- 2004-12-24 EP EP04258149A patent/EP1550421B1/en not_active Not-in-force
- 2004-12-24 DE DE602004007347T patent/DE602004007347T2/de active Active
- 2004-12-28 JP JP2004380433A patent/JP4575146B2/ja not_active Expired - Fee Related
- 2004-12-31 AU AU2004244651A patent/AU2004244651B2/en not_active Ceased
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2007
- 2007-10-08 US US11/868,791 patent/US7955393B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
US20080027555A1 (en) | 2008-01-31 |
DE602004007347D1 (de) | 2007-08-16 |
US7288115B2 (en) | 2007-10-30 |
ATE366095T1 (de) | 2007-07-15 |
EP1550421A1 (en) | 2005-07-06 |
DE602004007347T2 (de) | 2008-03-06 |
ES2287659T3 (es) | 2007-12-16 |
CA2476267C (en) | 2008-12-02 |
EP1656909A1 (en) | 2006-05-17 |
CA2476267A1 (en) | 2005-07-02 |
DE602004016346D1 (de) | 2008-10-16 |
US20050149198A1 (en) | 2005-07-07 |
JP2005193038A (ja) | 2005-07-21 |
AU2004244651B2 (en) | 2010-01-21 |
US7955393B2 (en) | 2011-06-07 |
ATE406853T1 (de) | 2008-09-15 |
EP1550421B1 (en) | 2007-07-04 |
AU2004244651A1 (en) | 2005-07-21 |
EP1656909B1 (en) | 2008-09-03 |
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