JP2001508319A - 脊椎固定インプラント及び挿入及び修正用工具 - Google Patents
脊椎固定インプラント及び挿入及び修正用工具Info
- Publication number
- JP2001508319A JP2001508319A JP53032197A JP53032197A JP2001508319A JP 2001508319 A JP2001508319 A JP 2001508319A JP 53032197 A JP53032197 A JP 53032197A JP 53032197 A JP53032197 A JP 53032197A JP 2001508319 A JP2001508319 A JP 2001508319A
- Authority
- JP
- Japan
- Prior art keywords
- cap
- opening
- bone
- tool
- shaft
- 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
Links
Classifications
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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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- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
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- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
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- A61F2/446—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages having a circular or elliptical cross-section substantially parallel to the axis of the spine, e.g. cylinders or frustocones
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Landscapes
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 隣接する椎骨間の円板空間内で関節固定を容易にするための固定装置にお いて、 相互に連結された連続孔を有する、多孔性の生物学的適合性を備えた骨内部成 長材料から成る金属本体と、 前記骨内部成長材料の前記孔内にあって、骨形態発生タンパク質を含んだ骨形 成材料とを備えていることを特徴とする固定装置。 2. 前記骨形態発生タンパク質がrhBMP−2、rhBMP−7またはそれ らの混合物であることを特徴とする請求項1に記載の固定装置。 3. 前記多孔性材料が、連続した相互に連結された孔を画成する相互に連結さ れた炭質材料のネットワークにより形成される非金属で堅牢な気泡支持体を備え た複合材料であることを特徴とする請求項1に記載の固定装置。 4. 前記炭質材料がカーボン気泡体であることを特徴とする請求項3に記載の 固定装置。 5. 前記金属薄膜がグループVBの金属または該グループVBの金属の合金を 備えていることを特徴とする請求項3に記載の固定装置。 6. 前記金属薄膜がチタンまたはその合金を備えていることを特徴とする請求 項5に記載の固定装置。 7. 更に、前記金属本体上に設けられた定着層を備え、該定着層が前記孔内へ 伸長していることを特徴とする請求項6に記載の装置。 8. 前記定着層がカルシウム燐酸エステル組成物を含んでいることを特徴とす る請求項7に記載の装置。 9. 前記カルシウム燐酸エステル組成物がヒドロキシアパタイトを備えている ことを特徴とする請求項8に記載の装置。 10. 前記カルシウム燐酸エステル組成物が、更に、トリカルシウム燐酸エス テルを備えており、前記カルシウム燐酸エステル組成物二相セラミックであるこ と特徴とする請求項9に記載の装置。 11. 前記本体が: 細長く、一定の長さと、第1の端部の第1の径と、該第1の端部に対向した第 2の端部のより大きな第2の径とを有しており、前記第1及び第2の径が前記隣 接する椎骨間の前記空間より大きなサイズにされており、 前記本体が前記第1の端部から前記第2の端部までほぼ連続してテーパを付け られた外側面を有しており、該外側面が該外面上に画成されて、前記本体のほぼ 全長に沿って伸長する外側ねじを備えていることを特徴とする請求項1に記載の 装置。 12. 前記本体が: 細長く、該本体の第1の端部及び第2の端部間の一定の長さと、前記隣接した 椎骨間の前記空間より大きなサイズにされた前記第1の端部の第1の径とを有し 、前記本体が該本体のほぼ全長に沿って伸長する一対の対向する円筒形部を備え た外側面と、前記対向する円筒形部間に連結され、前記本体の前記長さのかなり の部分に沿って伸長している一対のほぼ平らで対向する側壁とを備えていること を特徴とする請求項1に記載の装置。 13. 更に、前記外側面の前記一対の対向する円筒形部上に画成され、前記本 体のほぼ全長に沿って伸長する外側ねじを備えていることを特徴とする請求項1 2に記載の装置。 14. 前記円筒形部は、前記長さのかなりの部分に沿ってテーパが付けられ、 且つ、該円筒形部の第2の端部に前記第1の径より大きな第2の径を画成してい ることを特徴とする請求項13に記載の装置。 15. 隣接する椎骨間の円板空間内で関節固定を容易にするための固定装置に おいて、 室を画成する内側面及び該室と連絡した開口部を有する中空荷重支持体と、 前記室に配置されると共に、適当な担体内に骨形態発生タンパク質を含んでい る骨形成材料とを備えていることを特徴とする固定装置。 16. 前記骨形態発生タンパク質がrhBMP−2、rhBMP−7またはそ れらの混合物であることを特徴とする請求項15に記載の装置。 17. 前記担体がコラーゲンスポンジであることを特徴とする請求項15に記 載の装置。 19. 前記担体がヒドロキシアパタイト及びトリカルシウム燐酸エステルを含 んだ二相セラミックであることを特徴とする請求項15に記載の装置。 20. 前記荷重支持体がカルシウム燐酸エステル組成物を備えていることを特 徴とする請求項15に記載の装置。 21. 前記本体が: 細長く、一定の長さと、第1の端部の第1の径と、該第1の端部に対向した第 2の端部のより大きな第2の径とを有しており、前記第1及び第2の径が前記隣 接する椎骨間の前記空間より大きなサイズにされており、 前記本体が前記第1の端部から前記第2の端部までほぼ連続してテーパを付け られた外側面を有しており、該外側面が該外面上に画成されて、前記本体のほぼ 全長に沿って伸長する外側ねじを備えていることを特徴とする請求項15に記載 の装置。 22. 前記本体が: 細長く、該本体の第1の端部及び第2の端部間の一定の長さと、前記隣接した 椎骨間の前記空間より大きなサイズにされた前記第1の端部の第1の径とを有し 、前記本体が該本体のほぼ全長に沿って伸長する一対の対向する円筒形部を備え た外側面と、前記対向する円筒形部間に連結され、前記本体の前記長さのかなり の部分に沿って伸長している一対のほぼ平らで対向する側壁とを備えていること を特徴とする請求項15に記載の装置。 23. 更に、前記外側面の前記一対の対向する円筒形部上に画成され、前記本 体のほぼ全長に沿って伸長する外側ねじを備えていることを特徴とする請求項2 2に記載の装置。 24. 前記円筒形部は、前記長さのかなりの部分に沿ってテーパが付けられ、 且つ、該円筒形部の第2の端部に前記第1の径より大きな第2の径を画成してい ることを特徴とする請求項23に記載の装置。 25. 通し穴を画成する中空の固定装置の開口部を閉塞するためのキャップに おいて: 前記開口部を閉塞するサイズ及び形状にされた閉塞体と、 該閉塞体から突出するとともに、前記閉塞体に結合された第1の端部と、前記 通し穴に係合するリップを有する対向する第2の端部とを含み、前記キャップが 前記開口部内へ挿入されて、前記リップが前記通し穴に係合した時に、前記閉塞 体から前記通し穴まで到達する一定の長さを有する細長いアンカーとを備えてい ることを特徴とするキャップ。 26. 更に、前記閉塞体の周囲から突出するフランジを備えていることを特徴 とする請求項25に記載のキャップ。 27. 前記閉塞体が: 骨内部成長及びタンパク質の退出を可能にするサイズにされた骨形成開口部を 画成する外側壁と、 対向する内側面と、 前記外側壁及び前記内側面に連絡し、前記開口部に接触する係合面を画成する リムとを含んでいることを特徴とする請求項25に記載のキャップ。 28. 更に、前記閉塞体から突出する第2の細長いアンカーを備えていること を特徴とする請求項27に記載の装置。 29. 前記アンカーが弾性材料から構成されていることを特徴とする請求項2 7に記載の装置。 30. 前記キャップが生物学的適合性を有したポリマーから構成されているこ とを特徴とする請求項25に記載の装置。 31. 前記ポリマーがポリエチレンであること特徴とする請求項30に記載の 装置。 32. 前記閉塞体が駆動工具を収容する工具穴を画成することを特徴とする請 求項25に記載の装置。 33. 更に、前記開口部を閉塞するキャップであって、該キャップが前記開口 部に接触するサイズ及び形状にされた閉塞体と、該閉塞体から突出し、前記閉塞 体に結合された第1の端部と、前記荷重支持体に係合して前記開口部内で前記閉 塞体を保持する係合手段を有する、対向する第2の端部とを含む細長いアンカー とを有するキャップを備えていることを特徴とする請求項21に記載の装置。 34. 前記係合手段が前記第2の端部から突出するリップを備えていることを 特徴とする請求項33に記載の装置。 35. 前記本体の前記外側面が前記室と連絡した通し穴を画成し、前記アンカ ーが、前記キャップが前記開口部内へ挿入されて、前記リップが前記通し穴内へ 係合した時に、前記閉塞体から前記通し穴まで到達する一定の長さを有している ことを特徴とする請求項34に記載の装置。 36. 更に、前記閉塞体の周囲から突出するフランジを備えていることを特徴 とする請求項33に記載の装置。 37. 前記外側壁が、前記リップが前記通し穴内へ係合されると、前記開口部 と面一になることを特徴とする請求項33に記載の装置。 38. 前記閉塞体が骨内部成長及びタンパク質の退出を可能にするサイズにさ れた該閉塞体を貫通する骨形成開口部を画成することを特徴とする請求項33に 記載の装置。 39. 前記閉塞体が駆動工具を収容する工具穴を画成することを特徴とする請 求項33に記載の装置。 40. 更に、前記開口部を閉塞するキャップであって、該キャップが前記開口 部に接触するサイズ及び形状にされた閉塞体と、該閉塞体から突出し、前記閉塞 体に結合された第1の端部と、前記荷重支持体に係合して前記開口部内で前記閉 塞体を保持する係合手段を有する、対向する第2の端部とを含む細長いアンカー とを有するキャップを備えていることを特徴とする請求項22に記載の装置。 41. 前記係合手段が前記第2の端部から突出するリップを備えていることを 特徴とする請求項40に記載の装置。 42. 前記本体の前記外側面が前記室と連絡した通し穴を画成し、前記アンカ ーが、前記キャップが前記開口部内へ挿入されて、前記リップが前記通し穴内へ 係合した時に、前記閉塞体から前記通し穴まで到達する一定の長さを有している ことを特徴とする請求項41に記載の装置。 43. 更に、前記閉塞体の周囲から突出するフランジを備えていることを特徴 とする請求項40に記載の装置。 44. 前記外側壁が、前記リップが前記通し穴内へ係合されると、前記開口部 と面一になることを特徴とする請求項40に記載の装置。 45. 前記閉塞体が骨内部成長及びタンパク質の退出を可能にするサイズにさ れた該閉塞体を貫通する骨形成開口部を画成することを特徴とする請求項40に 記載の装置。 46. 前記閉塞体が駆動工具を収容する工具穴を画成することを特徴とする請 求項40に記載の装置。 47. 中空椎体間固定装置のキャップを操作する工具において: 各々が前記固定装置に係合する第1の係合手段を画成する基端部を有する一対 のプロングと、 前記キャップに係合する第2の係合手段を画成する第1の端部を有するシャフ トと、 前記シャフトを前記プロングの間で摺動自在に支持する手段とを備えているこ とを特徴とする工具。 48. 中空椎体間固定装置のキャップを操作する工具において: 貫通する通路を画成する本体と、 各々が前記ハウジングへ結合された末端部と、前記固定装置に係合する向かい 合った係合面を有する基端部とを有する一対のプロングと、 前記本体内に摺動自在に配置されると共に、前記キャップ内の工具穴に係合す るキャップ係合先端を画成する第1の端部を有し、引っ込められた位置と、前記 第1の端部が前記プロングの前記基端部に隣接すると共に、該基端部間に位置す る伸長された位置との間で摺動自在にされたシャフトとを備えていることを特徴 とする工具。 49. 前記プロングが弾性材料から構成されていることを特徴とする請求項4 8に記載の工具。 50. 前記キャップ係合先端がねじを画成することを特徴とする請求項48に 記載の工具 51. 更に、一方が前記向かい合った係合面の一方の上に配置されると共に、 前記固定装置の本体壁の開口部内へ挿入可能となる高さ及び幅を有している一対 の解放部材を備えていることを特徴とする請求項48に記載の工具。 52. 更に、前記キャップの細長い腕に圧力を付与して、該腕を内側方向へ撓 ませて、前記椎体間固定装置から前記キャップを解放する解放手段を備えている ことを特徴とする請求項48に記載の工具。 53. 前記解放手段が、一方が前記向かい合った係合面の一方の上に配置され ると共に、前記固定装置の本体壁の開口部内へ挿入可能となって、前記開口部か ら前記細長い腕を解放する高さ及び幅を有している一対の解放部材を備えている ことを特徴とする請求項52に記載の工具。 54. 更に、前記第1の端部が前記通路内へ進入するのを防止する前記第1の 端部に隣接して前記シャフト上に配置された基端ストップ部材を含んでいること を特徴とする請求項51に記載の工具。 55. 前記基端ストップ部材が前記シャフトに係合したOリングを備えている ことを特徴とする請求項53に記載の工具。 56. 前記シャフトが前記Oリングを着座させる溝を画成することを特徴とす る請求項55に記載の工具。 57. 更に、前記シャフトの第2の端部に結合され、前記通路の周囲より大き な周囲を有し、前記シャフトの前記第2の端部が前記通路へ進入するのを防止す る末端ストップ部材を備えていることを特徴とする請求項48に記載の工具。 58. 更に、前記シャフトの第2の端部に結合されて、前記通路の径より大き な径を有して、前記シャフトの前記第2の端部が前記通路へ進入するのを防止す る末端ストップ部材を備えていることを特徴とする請求項48に記載の工具。 59. 更に、前記シャフトの第2の端部へ結合されて前記通路内で前記シャフ トを回動及び摺動させる末端シャフト操作部材を備えていることを特徴とする請 求項48に記載の工具。 60. 前記操作部材が前記通路の周囲より大きな寸法を有して、前記シャフト の前記第2の端部が前記通路へ進入するのを防止することを特徴とする請求項5 9に記載の工具。 61. 前記操作部材がサムホイールであることを特徴とする請求項60に記載 の工具。
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US08/411,017 US5782919A (en) | 1995-03-27 | 1995-03-27 | Interbody fusion device and method for restoration of normal spinal anatomy |
US08/413,353 US5669909A (en) | 1995-03-27 | 1995-03-30 | Interbody fusion device and method for restoration of normal spinal anatomy |
US08/603,674 US5984967A (en) | 1995-03-27 | 1996-02-19 | Osteogenic fusion devices |
US79911497A | 1997-02-11 | 1997-02-11 | |
US08/603,674 | 1997-02-11 | ||
US08/799,114 | 1997-02-11 | ||
PCT/US1997/002672 WO1997031517A2 (en) | 1995-03-27 | 1997-02-19 | Spinal fusion implants and tools for insertion and revision |
US80354197A | 1997-02-20 | 1997-02-20 |
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JP2005218632A Expired - Fee Related JP3997239B2 (ja) | 1995-03-27 | 2005-07-28 | 脊椎固定インプラント及び挿入及び修正用工具 |
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EP (2) | EP0888099B1 (ja) |
JP (2) | JP3808103B2 (ja) |
AT (2) | ATE286696T1 (ja) |
DE (2) | DE69737756T2 (ja) |
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- 1997-02-19 JP JP53032197A patent/JP3808103B2/ja not_active Expired - Fee Related
- 1997-02-19 AT AT97906704T patent/ATE286696T1/de not_active IP Right Cessation
- 1997-02-19 ES ES04077759T patent/ES2287636T3/es not_active Expired - Lifetime
- 1997-02-19 ES ES97906704T patent/ES2236792T3/es not_active Expired - Lifetime
- 1997-02-19 WO PCT/US1997/002672 patent/WO1997031517A2/en active IP Right Grant
- 1997-02-19 DE DE69732226T patent/DE69732226T2/de not_active Expired - Fee Related
- 1997-02-19 AT AT04077759T patent/ATE362740T1/de not_active IP Right Cessation
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006510461A (ja) * | 2002-12-17 | 2006-03-30 | ヴィタテク | 椎間インプラント |
JP4680603B2 (ja) * | 2002-12-17 | 2011-05-11 | ヴィタテク | 椎間インプラント |
JP2008514365A (ja) * | 2004-09-29 | 2008-05-08 | ジンテス ゲゼルシャフト ミット ベシュレンクテル ハフツング | 侵襲性の少ない外科システム及び方法 |
JP2010508125A (ja) * | 2006-10-30 | 2010-03-18 | ザ・リージェンツ・オブ・ザ・ユニバーシティ・オブ・ミシガン | 脊椎椎体間融合に設計された無機物層被覆膜の分解性ケージ |
JP2022034191A (ja) * | 2020-08-18 | 2022-03-03 | 株式会社日本エム・ディ・エム | 髄内釘に使用するエンドキャップ、髄内釘、エンドキャップ挿入器具及び髄内釘挿入器具 |
Also Published As
Publication number | Publication date |
---|---|
EP1504732A1 (en) | 2005-02-09 |
ES2287636T3 (es) | 2007-12-16 |
US20090043394A1 (en) | 2009-02-12 |
ES2236792T3 (es) | 2005-07-16 |
WO1997031517A2 (en) | 1997-08-28 |
DE69737756D1 (de) | 2007-07-05 |
ATE286696T1 (de) | 2005-01-15 |
JP3997239B2 (ja) | 2007-10-24 |
DE69732226T2 (de) | 2005-12-22 |
EP0888099B1 (en) | 2005-01-12 |
WO1997031517A3 (en) | 1997-10-23 |
EP0888099A2 (en) | 1999-01-07 |
PT1504732E (pt) | 2007-08-30 |
DE69737756T2 (de) | 2008-01-31 |
EP1504732B1 (en) | 2007-05-23 |
ATE362740T1 (de) | 2007-06-15 |
DE69732226D1 (de) | 2005-02-17 |
JP2006006963A (ja) | 2006-01-12 |
US6613091B1 (en) | 2003-09-02 |
US20050192669A1 (en) | 2005-09-01 |
JP3808103B2 (ja) | 2006-08-09 |
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