JP4295987B2 - 移植体用ロッキングシステム - Google Patents
移植体用ロッキングシステム Download PDFInfo
- Publication number
- JP4295987B2 JP4295987B2 JP2002569002A JP2002569002A JP4295987B2 JP 4295987 B2 JP4295987 B2 JP 4295987B2 JP 2002569002 A JP2002569002 A JP 2002569002A JP 2002569002 A JP2002569002 A JP 2002569002A JP 4295987 B2 JP4295987 B2 JP 4295987B2
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- JP
- Japan
- Prior art keywords
- spherical
- head
- opening
- insertion member
- bone
- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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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
- 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
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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
- 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
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-
- A—HUMAN NECESSITIES
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- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00796—Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite
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- Oral & Maxillofacial Surgery (AREA)
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- Neurology (AREA)
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Description
本発明は一般に整形外科の移植体に関し、さらに具体的に述べると、改良されたロッキングシステムを有する補てつ移植体の方法、システム及び器具に関する。
股関節、膝関節及び肩関節を含む人工移植体又は補てつ具(prostheses)が整形外科で広く使用されている。このような補てつ具は、疾病、外傷又は先天性欠損が原因で機能が異常の連節骨格関節の全体又は一部を修復又は再構築するために移植される。例えば、股関節と膝関節は、異常な場合、他の関節より速く変性する大重量保持関節である。
本明細書で具体化されかつ広く記述されている本発明の目的にしたがって、上記問題を取り上げて、利益と利点を提供する本発明の各種実施態様によるシステム、方法及び装置の要約を以下に述べる。提供される移植体などの医療器具は、好ましくは円錐台形のテーパーを有するテーパー部分を有する少なくとも一つの開口を一般にもっている。一般に、提供される挿入部材は、その外側端縁が、球形、球形に近い形、トロイダル形、楕円形、地球形の又は別の方式でわずかに湾曲しているか又は丸みをつけた部分を有するヘッドを備えており、その挿入部材は、少なくとも一つの開口と協働して、液密シールを形成するように構成されている。
(a)内側表面、外側表面及びその内側表面から外側表面まで延びる少なくとも一つの開口を有する寛骨臼カップであって、その開口が、挿入部材を受容するように構成され、かつ(i)前記第一表面から前記開口の大部分を通って延びる延長円錐台形テーパー部分及び(ii)前記第一表面のテーパー部分より直径が小さい第二表面の部分を有し、その開口が、補てつコンポーネントに対して複数の方位から挿入部材を受容するように構成されている寛骨臼カップを提供し;次いで
(b)球形又は球形に近いヘッドを有し、そしてその球形又は球形に近いヘッドが前記延長円錐台形テーパー部分と界接するように前記開口中に挿入するよう構成された少なくとも一つの挿入部材を提供し;
(c)患者の股関節の骨を、前記寛骨臼カップを受容するように調整し;次いで
(d)前記寛骨臼カップを移植する;
ことを含んでなり;
前記挿入部材の適切な配向が一旦選択されたならば、その挿入部材は、前記円錐台形テーパー部分に対してロックされるように構成されている;方法が提供される。
Claims (24)
- (a)第一表面と第二表面を有する補てつコンポーネントであって、その第二表面が、上記コンポーネントを移植すべき骨の方に配向されるように構成されている補てつコンポーネント;
(b)上記第一表面から上記第二表面まで延びる少なくとも一つの開口とを備え、その開口は、挿入部材を受容するように構成され、(i)上記第一表面から開口の大部分を通って延びる延長円錐台形テーパー部分、及び(ii)上記第一表面のテーパー部分より直径が小さい上記第二表面の部分を含み、かつ、挿入部材を上記補てつコンポーネントに対して複数の方位から収容するように構成され、前記延長円錐台形テーパー部分が、挿入部材に結合して締まり嵌め又は圧縮摩擦ロックを形成するように適合される自己ロックテーパー部分であることを特徴とする移植可能な補てつ具。 - 自己ロックテーパー部分が20°以下のテーパー角を有する請求項1記載の移植可能な補てつ具。
- 自己ロックテーパー部分が10°以下のテーパー角を有する請求項2記載の移植可能な補てつ具。
- 前記開口が、球形か又は球形に近いヘッドを有する挿入部材を収容するように構成され、使用中にその挿入部材のヘッドが前記延長円錐台形テーパー部分と界接する請求項1〜3のいずれか1つに記載の移植可能な補てつ具。
- 前記補てつ具が股関節置換システムを含み、そして前記第一表面と第二表面が寛骨臼カップの表面である請求項1〜4のいずれか1つに記載の移植可能な補てつ具。
- 前記開口がユニバーサルタイプの開口である請求項1〜5のいずれか一つに記載の移植可能な補てつ具。
- 前記第二表面の部分が、平坦な端縁、面を取った端縁、傾斜表面、丸みをつけた表面又は球形表面である請求項1〜6のいずれか一つに記載の移植可能な補てつ具。
- さらに、(d)補てつ具の内側面を内張りするライナー、並びに
(e)患者の大腿骨に挿入する大腿骨コンポーネント及び前記補てつ具とライナーと協同するアダプター、
を含む請求項1〜5のいずれか一つに記載の移植可能な補てつ具。 - 請求項1に記載の移植可能な補てつ具中に挿入されるように構成された挿入部材であって、球形又は球形に近いヘッドを備え、前記移植可能な補てつ具の開口中に挿入されてそのヘッドが前記延長円錐台形部分と界接して適切な方向が選択されると、前記延長円錐台形テーパー部分に対してロックされるように構成されたことを特徴とする挿入部材。
- 前記球形の又は球形に近いヘッドが、球形、球形に近い、トロイダル形、楕円形、地球形、わずかに湾曲しているかもしくは丸みがついている外側端縁を含んでいる請求項9に記載の移植可能な補てつ具。
- 挿入部材のヘッドは、完全に挿入されたときに、第一表面を越えて突出しない請求項9又は10に記載の挿入部材。
- 1又は2以上の骨ねじ、骨釘、骨スパイク又は通孔カバーを備えている請求項9〜11のいずれか一つに記載の挿入部材。
- 球形又は球形に近いヘッドが、中心点を有する球体のスライス部分で構成され、そしてそのヘッドが前記中心点を包含している請求項9〜12のいずれか一つに記載の挿入部材。
- 前記球形又は球形に近いヘッドが、そのヘッドと前記延長円錐台形テーパー部分の界面が液密シールを備えるように構成されている請求項9〜13のいずれか一つに記載の挿入部材。
- (a)第一表面と第二表面を有する補てつコンポーネントであって、その第二表面が、移植すべき骨の方に配向されるように構成されている補てつコンポーネントと、
(b)上記第一表面から上記第二表面まで延びる少なくとも一つの開口であって、挿入部材を受容するように構成され、かつ(i)上記第一表面から開口の大部分を通って延びる延長円錐台形テーパー部分、及び(ii)上記第一表面のテーパー部分より直径が小さい上記第二表面の部分を含み、かつ、挿入部材を上記補てつコンポーネントに対して複数の方向から収容するよう構成されている開口と、
(c)球形又は球形に近いヘッドを有し、前記開口に挿入されてその球形又は球形に近いヘッドが前記延長円錐台形テーパー部分と界接するように構成されている挿入部材と、を備え、前記延長円錐台形テーパー部分が、挿入部材に結合して締まり嵌め又は圧縮摩擦ロックを形成するように適合される自己ロックテーパー部分であることを特徴とする移植可能な補てつ具。 - 前記挿入部材の適切な方向が一旦選択されると、その挿入部材は、そのヘッドが前記第一表面を越えて突出しないように円錐台形テーパーに対してロックされるように構成されている請求項15に記載の移植可能な補てつ具。
- 前記第二表面の部分が、平坦な端縁、面を取った端縁、傾斜した表面、丸みをつけた表面又は球形表面である請求項15又は16に記載の移植可能な補てつ具。
- 前記球形又は球形に近いヘッドが、球形、球形に近い、トロイダル形、楕円形、地球形、わずかに湾曲しているかもしくは丸みをつけた外側端縁を備えている請求項15〜17のいずれか一つに記載の移植可能な補てつ具。
- 前記挿入部材が、1又は2以上の骨ねじ、骨釘、骨スパイク又は通孔カバーで構成されている請求項15〜18のいずれか一つに記載の移植可能な補てつ具。
- 前記球形又は球形に近いヘッドが、中心点を有する球体のスライス部分で構成され、そしてそのヘッドが前記中心点を包含している請求項15〜19のいずれか一つに記載の移植可能な補てつ具。
- 前記開口が内壁を有し、前記球形又は球形に近いヘッドが外周縁を有し、そして、前記挿入部材が、前記内壁と前記外周縁の定点接触を維持しながら、前記開口中に角度をつけて挿入されるように構成されている請求項15〜20のいずれか一つに記載の移植可能な補てつ具。
- 前記補てつ具が股関節置換システムを含み、そして前記第一表面と第二表面が寛骨臼カップの表面である請求項15〜21のいずれか一つに記載の移植可能な補てつ具。
- 前記球形又は球形に近いヘッドと前記延長テーパー部分の界面が、液密シールを構成している請求項15〜22のいずれか一つに記載の移植可能な補てつ具。
- 前記開口がユニバーサルタイプの開口であり、そして前記挿入部材が骨ねじ、骨釘、骨スパイク又は通孔カバーのいずれか一つで構成され、そして前記骨ねじ、骨釘、骨スパイク又は通孔カバーのいずれか一つが、前記ユニバーサルタイプの開口に対応するユニバーサルタイプの球形又は球形に近いヘッドを備えている請求項15〜23のいずれか一つに記載の移植可能な補てつ具。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27151701P | 2001-02-26 | 2001-02-26 | |
PCT/US2002/005898 WO2002069819A2 (en) | 2001-02-26 | 2002-02-26 | Locking systems for implants |
Publications (3)
Publication Number | Publication Date |
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JP2004526493A JP2004526493A (ja) | 2004-09-02 |
JP2004526493A5 JP2004526493A5 (ja) | 2005-12-22 |
JP4295987B2 true JP4295987B2 (ja) | 2009-07-15 |
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JP2002569002A Expired - Fee Related JP4295987B2 (ja) | 2001-02-26 | 2002-02-26 | 移植体用ロッキングシステム |
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US (1) | US20020147499A1 (ja) |
EP (1) | EP1363544A2 (ja) |
JP (1) | JP4295987B2 (ja) |
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DE10360390B4 (de) * | 2003-12-22 | 2006-03-23 | Martin Imhof | Gelenkpfanne für eine Hüftendoprothese |
WO2005087141A2 (en) * | 2004-03-11 | 2005-09-22 | Smith & Nephew, Inc. | Universal liner assembly for joint replacement |
US20070106392A1 (en) * | 2005-11-08 | 2007-05-10 | Howmedica Osteonics Corp. | Acetabular cup locking mechanism |
EP1991154B1 (de) * | 2006-03-09 | 2009-09-23 | Woodwelding AG | Umlenkung von mechanischen oszillationen |
US8900321B2 (en) * | 2006-03-20 | 2014-12-02 | Zimmer, Inc. | Implant anchoring device |
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-
2002
- 2002-02-26 JP JP2002569002A patent/JP4295987B2/ja not_active Expired - Fee Related
- 2002-02-26 EP EP02713699A patent/EP1363544A2/en not_active Withdrawn
- 2002-02-26 WO PCT/US2002/005898 patent/WO2002069819A2/en active Application Filing
- 2002-02-26 US US10/083,093 patent/US20020147499A1/en not_active Abandoned
- 2002-02-26 AU AU2002245536A patent/AU2002245536A1/en not_active Abandoned
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JP2004526493A (ja) | 2004-09-02 |
WO2002069819A3 (en) | 2003-05-22 |
AU2002245536A1 (en) | 2002-09-19 |
US20020147499A1 (en) | 2002-10-10 |
EP1363544A2 (en) | 2003-11-26 |
WO2002069819A2 (en) | 2002-09-12 |
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