JP4818937B2 - 椎骨間の解剖学的関係を復元し維持するためのシステム及び技術 - Google Patents
椎骨間の解剖学的関係を復元し維持するためのシステム及び技術 Download PDFInfo
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- JP4818937B2 JP4818937B2 JP2006551192A JP2006551192A JP4818937B2 JP 4818937 B2 JP4818937 B2 JP 4818937B2 JP 2006551192 A JP2006551192 A JP 2006551192A JP 2006551192 A JP2006551192 A JP 2006551192A JP 4818937 B2 JP4818937 B2 JP 4818937B2
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- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00359—Bone or bony tissue
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Neurology (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Prostheses (AREA)
- Meat, Egg Or Seafood Products (AREA)
Description
D’ 復元した椎間板空間
H1 高さ
V1、V2 椎骨
20 インプラント試行器具
22 基端ハンドル
24 シャフト
26 試行本体
26a 上面
26b 下面
28 基端
30 前挿入端
40 インプラント
42 本体
42a 上面
42b 下面
44 基端
46 前挿入端
Claims (46)
- 脊柱用のインプラントにおいて、
上椎骨の端プレートに向かって配向できる凸状に湾曲した上面及び下椎骨の端プレートに向かって配向できる凸状に湾曲した下面を含む、椎間板空間に位置決めできる細長い本体、
前端部分及び反対側の後端部分、
前記前端部分と前記後端部分との間を延びる一対の側壁、及び
前記前端部分、前記後端部分、及び前記側壁の間に形成された、前記本体の前記上面及び前記下面のところで開放したキャビティを含み、
前記本体の前記上面と前記下面との間の高さは、前記上椎骨端プレートと前記下椎骨端プレートとの間の所望の椎間板空間高さと対応し、前記前端部分は、縮退した状態の椎間板空間に挿入される構造を備えており、前記高さは、前記本体を前記縮退した椎間板空間に挿入したとき、前記縮退した椎間板空間を前記所望の椎間板空間高さに復元する大きさであり、
前記本体を前記椎間板空間に位置決めしたとき、隣接した椎骨端プレートの骨組織と係合するため、前記上面及び下面の各々には複数の係合部材が設けられ、当該係合部材は、前記上面及び前記下面の各々に沿って前記上面及び前記下面の各々から外方に突出し、
前記係合部材は、複数の歯を含み、当該歯の各々は、前記前端部分に向かって傾斜した前端壁及び当該前端壁とは反対側の後端壁を各々含み、当該後端壁が、凸状に湾曲した前記上面及び下面の夫々に対して、全体に直交して配置されて、前記上面及び下面の夫々から前記後端壁が延びる、インプラント。 - 請求項1に記載のインプラントにおいて、前記上面及び前記下面は、各々、前記本体の全長に沿って凸状に湾曲している、インプラント。
- 請求項2に記載のインプラントにおいて、前記前端部分は前記上面と前記下面との間で丸味をなしたノーズを含む、インプラント。
- 請求項3に記載のインプラントにおいて、前記ノーズは前記側壁間で丸味をなしている、インプラント。
- 請求項1に記載のインプラントにおいて、前記側壁は互いに平行である、インプラント。
- 請求項1に記載のインプラントにおいて、前記本体は、
前記側壁のうちの第1側壁の第1ノッチ、及び
前記一対の側壁のうちの第2側壁の第2ノッチを含み、前記第1及び第2のノッチは前記本体の基端壁のところで開放している、インプラント。 - 請求項6に記載のインプラントにおいて、前記基端壁は平らであり、前記側壁と前記上下の表面との間を延びる、インプラント。
- 請求項6に記載のインプラントにおいて、カップリング部材を更に含み、このカップリング部材は、前記本体を前記カップリング部材に固定するため、前記第1及び第2のノッチの夫々に位置決めできる第1及び第2のフィンガを有する、インプラント。
- 請求項8に記載のインプラントにおいて、前記カップリング部材は挿入器具の先端部分を含む、インプラント。
- 請求項8に記載のインプラントにおいて、前記フィンガの外横面間の前記カップリング部材の幅は、少なくとも前記フィンガが前記ノッチ内にあるとき、前記側壁の外横面間の幅よりも小さい、インプラント。
- 請求項1に記載のインプラントにおいて、前記上下の表面の各々は、多数の前記係合部材を含む、インプラント。
- 請求項11に記載のインプラントにおいて、前記係合部材は、前記キャビティに沿って延びる前記側壁の部分に沿って多数の前記歯を含む、インプラント。
- 請求項12に記載のインプラントにおいて、前記上下の表面は、前記前端部分及び前記後端部分に沿って実質的に滑らかである、インプラント。
- 請求項1に記載のインプラントにおいて、前記歯の各々の前記前端壁と前記後端壁との間を延びる丸味のある移行面を更に含む、インプラント。
- 請求項14に記載のインプラントにおいて、前記上下の表面の各々に沿った前記歯の前記移行面は、前記本体に沿って円弧を画成し、この円弧は第1半径を画成する、インプラント。
- 請求項15に記載のインプラントにおいて、前記上下の表面の各々は、第2半径によって画成された円弧に沿って延びており、前記第1半径は前記第2半径よりも大きい、インプラント。
- 隣接した椎骨間の椎間板空間に挿入できるインプラントにおいて、
延伸されていない縮退した椎間板空間に挿入される大きさの先端前端部分を持つ細長い本体を有し、前記インプラントは、前記本体を前記延伸されていない縮退した椎間板空間に打ち込んだとき、前記延伸されていない縮退した椎間板空間を所望の椎間板空間高さに復元するようになった所定の高さを上面と下面との間に有し、前記本体は、前記所望の椎間板空間高さを術後に維持するため、復元した椎間板空間に埋め込むことができ、前記本体は、
前記本体の前端ノーズと反対側の基端壁を持つ後端部分を含み、
前記上面及び前記下面は前記前端部分及び前記後端部分に沿って延びており、前記上面及び下面の各々は、前記本体の前記前端ノーズと前記基端壁との間に凸状に湾曲した表面のプロファイルを含み、
前記本体を前記椎間板空間に位置決めしたとき、隣接した椎骨端プレートの骨組織と係合するため、前記上面及び下面の各々には複数の係合部材が設けられ、当該係合部材は、前記上面及び前記下面の各々に沿って前記上面及び前記下面の各々から外方に突出し、
前記係合部材は、複数の歯を含み、当該歯の各々は、前記前端部分に向かって傾斜した前端壁及び当該前端壁とは反対側の後端壁を各々含み、当該後端壁が、凸状に湾曲した前記上面及び下面の夫々に対して、全体に直交して配置されて、前記上面及び下面の夫々から前記後端壁が延びる、インプラント。 - 請求項17に記載のインプラントにおいて、前記本体は、前記上下の表面間を延びるキャビティ、及び前記前端部分と前記後端部分との間を前記キャビティに沿って延びる一対の両側壁を含む、インプラント。
- 請求項18に記載のインプラントにおいて、前記側壁は互いに平行である、インプラント。
- 請求項17に記載のインプラントにおいて、前記前端ノーズは、前記上面と前記下面との間に丸味を備えている、インプラント。
- 請求項20に記載のインプラントにおいて、前記ノーズは前記本体の両側壁間に丸味を備えている、インプラント。
- 請求項17に記載のインプラントにおいて、前記本体は、
前記本体の第1側壁の第1ノッチ、及び
前記本体の第2側壁の第2ノッチを含み、前記第1及び第2のノッチは前記本体の前記基端壁のところで開放している、インプラント。 - 請求項22に記載のインプラントにおいて、前記基端壁は平らであり、前記側壁と前記上下の表面との間を延びる、インプラント。
- 請求項22に記載のインプラントにおいて、第1及び第2のフィンガを持つカップリング部材を更に含み、前記フィンガは、前記本体を前記カップリング部材に固定するため、前記第1及び第2のノッチの夫々に位置決めできる、インプラント。
- 請求項24に記載のインプラントにおいて、前記カップリング部材は挿入器具の先端部分を含む、インプラント。
- 請求項24に記載のインプラントにおいて、前記カップリング部材の前記フィンガの外横面間の幅は、少なくとも前記フィンガが前記ノッチにあるとき、前記側壁の外横面間の幅よりも小さい、インプラント。
- 請求項17に記載のインプラントにおいて、前記上下の表面の各々は、多くの前記係合部材をその表面に含む、インプラント。
- 請求項17に記載のインプラントにおいて、前記係合部材は、多数の前記歯を備える、インプラント。
- 請求項28に記載のインプラントにおいて、前記本体は、
第1側壁及び反対側の第2側壁、及び
前記上下の表面間を延びるキャビティを含み、前記第1及び第2の側壁及び前記前端部分及び前記後端部分は前記キャビティの周囲を延びており、前記上下の表面は前記前端部分及び前記後端部分に沿って実質的に滑らかである、インプラント。 - 請求項17に記載のインプラントにおいて、前記歯の各々の前記前端壁と前記後端壁との間を延びる丸味のある移行面を更に含む、インプラント。
- 請求項30に記載のインプラントにおいて、前記上下の表面の各々に沿った前記歯の前記移行面は前記本体に沿って円弧を画成し、この円弧は第1半径を形成する、インプラント。
- 請求項31に記載のインプラントにおいて、前記上下の表面の各々は、第2半径によって画成された円弧に沿って延びており、前記第1半径は前記第2半径よりも大きい、インプラント。
- 請求項17に記載のインプラントにおいて、前記上下の表面の各々は、前記隣接した椎骨端プレートと係合するため、滑らかで中実の接触面を前記本体の全長に沿って形成する、インプラント。
- インプラント挿入アッセンブリにおいて、
上下の表面及びこれらの上下の表面間を延びる両横面を持ち、前記横面の各々には、前記インプラントの基端のところが開放したノッチが形成されている椎骨間インプラント、及び
前記インプラントの前記両横面の各々の前記ノッチに係合できる先端カップリング部分を持つシャフトを含む挿入器具であって、前記カップリング部分は前記ノッチの夫々に各々位置決めできる先端方向に延び且つ間隔が隔てられた一対のフィンガを含み、これらのフィンガは、前記インプラントをその間に受け入れるための互いに対する第1位置及び前記ノッチ内のフィンガが前記インプラントをその間にグリップした第2位置を含み、前記第2位置では、前記フィンガの各々は、前記夫々のノッチと隣接した前記横面から外方に突出することなく、前記夫々のノッチに受け入れられる、挿入器具を含み、
前記椎骨間インプラントは、請求項1又は17に記載のインプラントである、アッセンブリ。 - 請求項34に記載のアッセンブリにおいて、前記横面は、前記インプラントの両側壁の外方に面する表面を含む、アッセンブリ。
- 請求項34に記載のアッセンブリにおいて、前記挿入器具の前記シャフトは、先端に前記カップリング部分を備えた外シャフト、及びこの外シャフトを通って延びる内シャフトを含み、前記内シャフトは、前記フィンガ間を延びる先端及び前記外シャフトから基端方向に延びる基端を含む、アッセンブリ。
- 請求項36に記載のアッセンブリにおいて、前記外シャフトの前記基端と隣接したハンドルを更に含み、前記内シャフトは前記ハンドルの基端方向に延びており、前記ハンドルは前記外シャフトに対して斜めに配向されている、アッセンブリ。
- 請求項36に記載のアッセンブリにおいて、前記内シャフトはその基端に調節部材を含み、この調節部材は、前記内シャフトを前記外シャフト内で回転するように作動できる、アッセンブリ。
- 請求項38に記載のアッセンブリにおいて、前記内シャフトの前記先端には、前記インプラントの後端壁のねじ穴と係合するためのねじ山が設けられている、アッセンブリ。
- 請求項38に記載のアッセンブリにおいて、前記外シャフトは前記外シャフトの前記基端のところにハウジング部分を含み、前記調節部材は前記ハウジング部分に位置決めできる、アッセンブリ。
- 請求項34に記載のアッセンブリにおいて、前記カップリング部分は本体部材を含み、前記対をなしたフィンガは前記本体部材の両側で前記本体部材から先端方向に延びる、アッセンブリ。
- 請求項41に記載のアッセンブリにおいて、前記挿入器具の前記シャフトは前記本体部材が先端に設けられた外シャフト及び前記外シャフト及び前記本体部材の継ぎ目を通って延びる内シャフトを含み、前記内シャフトは、前記フィンガ間を延びる先端を含む、アッセンブリ。
- 請求項41に記載のアッセンブリにおいて、前記挿入器具の前記シャフトは、外シャフト及び先端に前記本体部材が設けられた内シャフトを含み、前記内シャフトは、前記本体部材が前記外シャフトの先端の先端方向に位置決めされた状態で前記外シャフトを通って延びる、アッセンブリ。
- 請求項43に記載のアッセンブリにおいて、前記本体部材は一対の押圧部材を含み、これらの押圧部材は、その間に設けられたスロットによって互いから間隔が隔てられており、前記対をなしたフィンガは前記押圧部材の夫々から先端方向に延びている、アッセンブリ。
- 請求項44に記載のアッセンブリにおいて、前記対をなした押圧部材は前記ベース部材のベース部分から先端方向に延びており、前記ベース部分は基端方向にテーパした外面プロファイルを含み、前記外シャフトは、前記対をなした押圧部材及び前記対をなしたフィンガを互いに向かって移動して前記インプラントをその間にグリップするため、前記ベース部分の前記外面に沿って先端方向に前進させることができる、アッセンブリ。
- 請求項44に記載のアッセンブリにおいて、前記第1位置では、前記フィンガの各々は前記インプラントから係合解除されており、前記夫々のノッチと隣接した前記横面から外方に突出することなく、前記夫々のノッチに受け入れられている、アッセンブリ。
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PCT/US2005/001478 WO2005072659A2 (en) | 2004-01-28 | 2005-01-19 | Systems and techniques for restoring and maintaining intervertebral anatomy |
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- 2004-01-28 US US10/766,167 patent/US7125425B2/en not_active Expired - Lifetime
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2005
- 2005-01-19 JP JP2006551192A patent/JP4818937B2/ja not_active Expired - Fee Related
- 2005-01-19 WO PCT/US2005/001478 patent/WO2005072659A2/en active Application Filing
- 2005-01-19 CN CN2005800032798A patent/CN1972647B/zh active Active
- 2005-01-19 DE DE602005022409T patent/DE602005022409D1/de active Active
- 2005-01-19 CA CA002553532A patent/CA2553532A1/en not_active Abandoned
- 2005-01-19 ES ES05705829T patent/ES2347444T3/es active Active
- 2005-01-19 KR KR1020067017348A patent/KR101153071B1/ko not_active IP Right Cessation
- 2005-01-19 AU AU2005209210A patent/AU2005209210B2/en active Active
- 2005-01-19 BR BRPI0506577-1A patent/BRPI0506577A/pt not_active IP Right Cessation
- 2005-01-19 EP EP05705829A patent/EP1715818B1/en active Active
- 2005-01-19 AT AT05705829T patent/ATE474528T1/de active
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Also Published As
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AU2009201085A1 (en) | 2009-04-09 |
WO2005072659A2 (en) | 2005-08-11 |
AU2005209210A1 (en) | 2005-08-11 |
ES2347444T3 (es) | 2010-10-29 |
DE602005022409D1 (de) | 2010-09-02 |
AU2009201085B2 (en) | 2011-06-02 |
CN1972647A (zh) | 2007-05-30 |
AU2009201085C1 (en) | 2011-06-09 |
BRPI0506577A (pt) | 2007-05-02 |
JP2007519475A (ja) | 2007-07-19 |
ATE474528T1 (de) | 2010-08-15 |
EP1715818A2 (en) | 2006-11-02 |
AU2005209210B2 (en) | 2011-04-21 |
US20040162616A1 (en) | 2004-08-19 |
US20070032872A1 (en) | 2007-02-08 |
EP1715818B1 (en) | 2010-07-21 |
KR20060123604A (ko) | 2006-12-01 |
CA2553532A1 (en) | 2005-08-11 |
WO2005072659A3 (en) | 2005-12-08 |
US7125425B2 (en) | 2006-10-24 |
CN1972647B (zh) | 2010-09-15 |
KR101153071B1 (ko) | 2012-06-11 |
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