JP4456002B2 - 椎間円板拡張の方法及び装置 - Google Patents
椎間円板拡張の方法及び装置 Download PDFInfo
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- JP4456002B2 JP4456002B2 JP2004559427A JP2004559427A JP4456002B2 JP 4456002 B2 JP4456002 B2 JP 4456002B2 JP 2004559427 A JP2004559427 A JP 2004559427A JP 2004559427 A JP2004559427 A JP 2004559427A JP 4456002 B2 JP4456002 B2 JP 4456002B2
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- Prior art keywords
- disc
- expandable
- expandable device
- expansion
- inflatable member
- 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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Description
図2Aの円板環20では、小径針24で箇所21を穿刺する。好適な針のサイズは20ゲージである。図2Bの小径(即ち、1mmから3mm)の高圧バルーンカテーテル26が、円板環20の穿刺部21を通して導入される。カテーテル26に取り付けられたバルーン28の髄核18内における位置はX線透視法を使って確認される。円板拡張と注入用の装置を挿入するのに必要な穿刺は、穿刺部を完全に閉じることができるぐらい、又は注入された生体適合性材料が捕捉された状態に留まるに十分な程度に閉じることができるぐらいに小さく、即ち3mm以下である。生態適合性材料を注入後に円板空間で硬化させる場合には、注入された生体適合性材料の捕捉が保証される。プラグ又はシーラント等の材料の様な環閉鎖装置を使用するのは随意である。
Claims (17)
- 椎間円板を拡張するための拡張可能装置であって、
第1のチャンネルと第2のチャンネルとを有するカテーテルと、
前記カテーテルに取り付けられ、無傷の椎間円板環の拡張された開口部内、及び前記円板の髄核内へと挿入することのできる膨張可能部材と、
前記髄核を全く除去することなく当該髄核内で前記膨張可能部材を制御可能に膨張させるため、当該膨張可能部材に接続されている膨張装置と
を備えている拡張可能装置において、
前記膨張可能部材を膨張させる膨張流体は、生体適合性材料が前記第2のチャンネルを介して前記髄核内に注入されると同時に、前記第1のチャンネルを介して排出されて当該膨張可能部材を萎ませる、拡張可能装置。 - 前記膨張可能部材は、前記髄核形状に実質的に沿う制御された拡張形状を有している、請求項1に記載の拡張可能装置。
- 前記拡張可能部材は、0.1ccから8.0ccまでの膨張容積を有している、請求項2に記載の拡張可能装置。
- 前記膨張可能部材に形成され、前記膨張可能部材の拡張に応じて椎骨終板同士を引き離す形状に成形されている輪郭形成器を更に備えている、請求項1乃至3の何れか1項に記載の拡張可能装置。
- 前記生体適合性材料は、成長因子を含んでいる製剤として提供される、請求項1に記載の拡張可能装置。
- 前記生体適合性材料は、円板の治癒、修復、再生、及び/又は回復を促す、及び/又は正常な円板機能を円滑化するのに効果的な1つ又はそれ以上の種の細胞を含んでいる製剤として提供される、請求項1に記載の拡張可能装置。
- 前記生体適合性材料は、前記膨張可能部材の膨張後に流動可能状態から非流動可能状態に変化する、請求項1に記載の拡張可能装置。
- 前記生体適合性材料は合成材料である、請求項7に記載の拡張可能装置。
- 前記合成材料はポリマーである、請求項8に記載の拡張可能装置。
- 前記合成材料はヒドロゲルである、請求項8に記載の拡張可能装置。
- 前記生体適合性材料は天然材料である、請求項1に記載の拡張可能装置。
- 前記天然材料はコラーゲン材料である、請求項11に記載の拡張可能装置。
- 前記天然材料は多糖類材料である、請求項11に記載の拡張可能装置。
- 椎間円板用の拡張及び注入システムであって、請求項1乃至13の何れか1項に記載の拡張可能装置を有するシステムにおいて、
円板環を全く除去することなく、前記円板環に開口部を形成し拡張するための器具と、
前記膨張可能部材の圧力を監視するためのゲージと、
前記膨張可能部材をしぼませるための手段と、
前記拡張された空間内に生体適合性材料を注入するための注入器具と、を備えているシステム。 - 前記膨張可能部材が採用されて、当該膨張可能部材の位置がX線透視法で確認される、請求項14に記載のシステム。
- 前記膨張可能部材が採用されて当該膨張可能部材は造影剤で膨らまされる、請求項14に記載のシステム。
- 前記膨張可能部材が採用されて、当該膨張可能部材の拡張はX線透視法で監視される、請求項14に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/314,396 US20040186471A1 (en) | 2002-12-07 | 2002-12-07 | Method and apparatus for intervertebral disc expansion |
PCT/US2003/038957 WO2004052248A1 (en) | 2002-12-07 | 2003-12-08 | Method and apparatus for intervertebal disc expansion |
Publications (2)
Publication Number | Publication Date |
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JP2006508771A JP2006508771A (ja) | 2006-03-16 |
JP4456002B2 true JP4456002B2 (ja) | 2010-04-28 |
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JP2004559427A Expired - Fee Related JP4456002B2 (ja) | 2002-12-07 | 2003-12-08 | 椎間円板拡張の方法及び装置 |
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US (2) | US20040186471A1 (ja) |
EP (1) | EP1575458B1 (ja) |
JP (1) | JP4456002B2 (ja) |
AT (1) | ATE423531T1 (ja) |
AU (1) | AU2003293455A1 (ja) |
CA (1) | CA2508435A1 (ja) |
DE (1) | DE60326386D1 (ja) |
ES (1) | ES2322803T3 (ja) |
WO (1) | WO2004052248A1 (ja) |
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EP1253854A4 (en) | 1999-03-07 | 2010-01-06 | Discure Ltd | METHOD AND APPARATUS FOR COMPUTERIZED SURGERY |
US7717958B2 (en) | 2000-02-16 | 2010-05-18 | Trans1, Inc. | Prosthetic nucleus apparatus |
EP1227094B1 (en) * | 2001-01-30 | 2005-12-14 | Nissan Chemical Industries Ltd. | Isocyanurate compound and method for producing the same |
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-
2002
- 2002-12-07 US US10/314,396 patent/US20040186471A1/en not_active Abandoned
-
2003
- 2003-12-08 DE DE60326386T patent/DE60326386D1/de not_active Expired - Lifetime
- 2003-12-08 ES ES03790406T patent/ES2322803T3/es not_active Expired - Lifetime
- 2003-12-08 CA CA002508435A patent/CA2508435A1/en not_active Abandoned
- 2003-12-08 AU AU2003293455A patent/AU2003293455A1/en not_active Abandoned
- 2003-12-08 AT AT03790406T patent/ATE423531T1/de not_active IP Right Cessation
- 2003-12-08 WO PCT/US2003/038957 patent/WO2004052248A1/en active Application Filing
- 2003-12-08 JP JP2004559427A patent/JP4456002B2/ja not_active Expired - Fee Related
- 2003-12-08 EP EP03790406A patent/EP1575458B1/en not_active Expired - Lifetime
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2007
- 2007-10-25 US US11/924,026 patent/US20080091167A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1575458A1 (en) | 2005-09-21 |
EP1575458B1 (en) | 2009-02-25 |
DE60326386D1 (de) | 2009-04-09 |
ATE423531T1 (de) | 2009-03-15 |
JP2006508771A (ja) | 2006-03-16 |
AU2003293455A1 (en) | 2004-06-30 |
US20040186471A1 (en) | 2004-09-23 |
ES2322803T3 (es) | 2009-06-29 |
US20080091167A1 (en) | 2008-04-17 |
WO2004052248A1 (en) | 2004-06-24 |
CA2508435A1 (en) | 2004-06-24 |
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