JP2007519477A - 椎間グラフト及び装置を挿入するための方法及び器具 - Google Patents
椎間グラフト及び装置を挿入するための方法及び器具 Download PDFInfo
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- 238000005859 coupling reaction Methods 0.000 claims description 13
- 239000004606 Fillers/Extenders Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 abstract description 39
- 230000037431 insertion Effects 0.000 abstract description 39
- 210000003128 head Anatomy 0.000 description 26
- 238000001356 surgical procedure Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
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- 210000004013 groin Anatomy 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
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- 230000007480 spreading Effects 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
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Abstract
【選択図】図1
Description
上記及びその他の態様は、以下の説明と添付図面から認識頂けるであろう。
Claims (40)
- 移植片を隣接する骨部分の間の空間に挿入するための器具において、
ハウジングと、
前記ハウジングに連結された一対の相対する案内部材であって、前記一対の案内部材のそれぞれは、外側面と、これと反対側の案内面と、前記外側面と案内面との間に開口する細長いスロットとを備えた本体を有しており、前記スロットは、各案内部材に沿って延び、前記移植片を両案内面の間に配置することができるようになっている、一対の案内部材と、
前記一対の案内部材の間に配置されている延展器であって、中央本体と、該中央本体から延びる一対の互いに反対に向いた羽根部とを含んでおり、前記羽根部はそれぞれ、前記一対の案内部材の内の対応する一方の前記スロットに滑動可能に受け入れられる、延展器と、
前記延展器に連結されている駆動部材であって、前記延展器と該延展器の前方に配置された前記移植片とを、前記案内部材の遠位端に向けて前方に進ませるように作動可能な駆動部材と、
を備えている器具。 - 前記ハウジングは、連結部と、前記連結部から近位方向に延びる駆動部材係合部とを含んでおり、前記駆動部材係合部と前記連結部は、これらを貫通して延び前記駆動部材を受け入れるための通路を含んでいる、請求項1に記載の器具。
- 前記駆動部材は、前記通路に螺合するシャフトと、前記シャフトの近位端に設けられたハンドルとを含んでいる、請求項2に記載の器具。
- 前記駆動部材と前記延展器とを通って延びる移植片保持器を更に含んでおり、前記移植片保持器は、その近位端に調節ノブを含んでおり、遠位端は前記延展器より遠位方向に延びる、請求項3に記載の器具。
- 前記駆動部材の前記ハンドルは、近位方向に開口する陥凹部を含んでおり、前記移植片保持器の前記調節ノブは前記陥凹部の中に回転可能に収容されている、請求項4に記載の器具。
- 前記一対の案内部材は、それぞれ、その前記遠位端近くに当接部材を含んでおり、前記当接部材は、前記案内部材それぞれの前記外側面から突出している、請求項1に記載の器具。
- 前記当接部材は、それぞれ、前記案内部材それぞれの中心軸に対して直交方向に向いている、請求項6に記載の器具。
- 前記スロットは、それぞれ、前記それぞれの案内部材の前記当接部材を通って延びている、請求項7に記載の器具。
- 前記案内部材は、それぞれ、該案内部材の前記当接部材から遠位方向に延びる支持部材を含んでおり、前記支持部材は、前記当接部材が隣接する骨部分の対応する方とそれぞれ接触した状態で、前記隣接する骨部分の間の空間に配置することができ、前記支持部材は、前記延展器および前記移植片を前記案内部材の前記遠位端に向けて前進させると、前記骨部分と接触して前記隣接する骨部分を伸延することができる、請求項6に記載の器具。
- 前記延展器の遠位端壁に沿って解除可能に係合可能なアダプタを更に備えている、請求項1に記載の器具。
- 前記アダプタは、本体部分と、前記本体部分の両端部から近位方向に延びる一対のアームとを含んでおり、前記一対のアームを前記延展器の側壁に沿って配置して前記アダプタを前記延展器に係合させることができる、請求項10に記載の器具。
- 前記アームは、それぞれ、その遠位端に突起を含んでおり、前記突起は、互いに向けて延び、前記延展器の前記側壁の隣接する窪みの中に取り外し可能に配置することができる、請求項11に記載の器具。
- 前記延展器は、前記遠位端壁に、近位方向に延びる中央レセプタクルを含んでおり、前記アダプタの本体部は、前記レセプタクルに受け入れられる、中央の近位方向にオフセットした部分を含んでいる、請求項11に記載の器具。
- 前記延展器は、中を通って延びる孔を含んでおり、
前記アダプタは、前記中央オフセット部分に、前記延展器の前記孔と整列する孔を有しており、
前記移植片保持器の遠位端は、前記延展器の前記孔と前記中央オフセット部の前記孔とを通って延び、前記アダプタの前方の前記移植片に係合する、請求項13に記載の器具。 - 前記ハウジングは連結部を備え、該連結部は、それぞれ近位方向に開口するレセプタクルを画定する一対の上側フィンガ部と、それぞれ近位方向に開口するレセプタクルを画定する一対の下側フィンガ部と、を含んでいる、請求項1に記載の器具。
- 前記案内部材のそれぞれは、前記上側の一対のフィンガ部及び下側の一対のフィンガ部のうちの対応する一対のフィンガ部の間に配置されるようになっている近位端を含んでおり、
前記案内部材は、それぞれ、前記対応する一対のフィンガ部によって画定された前記レセプタクルの中に、回転可能且つ取り外し可能に収容される横棒を更に含んでいる、請求項15に記載の器具。 - 前記羽根部は、それぞれ、前記中央本体から延びる本体と大きくなっている外側端とを含んでおり、前記大きくなっている外側端は、前記羽根部が受け入れられている前記案内部材の前記スロット内に前記羽根部を捕捉する寸法に作られている、請求項1に記載の器具。
- 前記スロットは、それぞれ、前記羽根部の前記大きくなっている外側端を通過させることができるように作られた大きくなっている近位端開口を含んでいる、請求項17に記載の器具。
- 前記案内面は平面状である、請求項1に記載の器具。
- 移植片を隣接する骨部分の間の空間に挿入するための器具において、
ハウジングと、
前記ハウジングに連結された一対の相対する案内部材であって、前記一対の案内部材のそれぞれは、外側面と該外側面と反対側の案内面とを備えた本体を有しており、前記移植片を両案内面の間に配置することができるようになっている、一対の案内部材と、
前記一対の案内部材の間に配置されている延展器と、
前記延展器に解除可能に連結されているアダプタであって、該アダプタの本体部分が前記延展器の遠位端壁に沿って配置されている、アダプタと、
前記延展器に連結されており、前記延展器と前記アダプタとを、前記アダプタの前方に前記移植片が配置された状態で、前記案内部材の遠位端に向けて前方に進ませるように作動可能な駆動部材と、
を備え、前記アダプタが前記移植片を前記延展器の前記遠位端壁から前方に間隔を空けて配置している、器具。 - 前記一対の案内部材は、それぞれ、前記外側面と前記案内面の間に開口する細長いスロットを含んでおり、前記スロットは、前記各案内部材の中心軸に沿って延びている、請求項20に記載の器具。
- 前記延展器は、中央本体と、前記中央本体から延びる一対の互いに反対に向いた羽根部とを含んでおり、前記羽根部はそれぞれ、前記一対の案内部材のうちの対応する一方の前記スロットの中に滑動可能に受け入れられる、請求項21に記載の器具。
- 前記アダプタは、前記本体部分の両端部から近位方向に延びる一対のアームを含んでおり、前記一対のアームを前記延展器の側壁に沿って配置して前記アダプタを前記延展器に係合させることができる、請求項20に記載の器具。
- 前記アームは、それぞれ、その遠位端に突起を含んでおり、前記突起は、互いに向かって延びており、前記延展器の前記側壁の隣接する窪みの中に取り外し可能に配置することができる、請求項23に記載の器具。
- 前記延展器は、前記遠位端壁に、近位方向に延びる中央レセプタクルを含んでおり、
前記アダプタの本体部は、前記レセプタクルに受け入れられる、中央の近位方向にオフセットした部分を含んでいる、請求項20に記載の器具。 - 前記延展器は、中を通って延びる孔を含んでおり、前記アダプタは、前記レセプタクル内に前記延展器の前記孔と整列する孔を有している、請求項25に記載の器具。
- 前記延展器の前記孔と前記アダプタの前記孔とを通って延び、前記アダプタの前方の前記移植片と係合する移植片保持器を更に含んでいる、請求項26に記載の器具。
- 前記移植片保持器は、前記駆動部材を通って伸張する通路の中を通っている細長いシャフトを含んでいる、請求項27に記載の器具。
- 前記案内部材の少なくとも一方は、前記ハウジングに枢動可能に連結されており、
前記案内部材の少なくとも一方を前記案内部材の他方から回転させて離すと、前記アダプタを前記延展器に係合させることができるようになる、請求項20に記載の器具。 - 移植片を隣接する骨構造の間の空間に挿入するための方法において、
ハウジングと、前記ハウジングに連結されている相対する一対の案内部材と、前記一対の案内部材の間に配置されている延展器であって、中央本体と、そこから延びる一対の互いに反対に向いた羽根部とを含んでおり、前記羽根部がそれぞれ、前記一対の案内部材の内の対応する一方の中心軸に沿って形成されたスロットの中に滑動可能に受け入れられるように構成されている延展器と、前記延展器及び駆動部材係合部に連結されている駆動部材と、を備えている移植片挿入器を提供する段階と、
前記一対の案内部材の少なくとも一方を、前記一対の案内部材の他方から回転させて離し、前記案内部材の少なくとも一方の前記スロットから前記羽根部を外す段階と、
移植片を前記一対の案内部材の間の前記延展器の前方に配置する段階と、
前記案内部材の少なくとも一方を前記案内部材の他方に向けて回転させ、前記延展器の前記羽根部を、前記案内部材の少なくとも一方の前記スロットに入れる段階と、
から成る方法。 - 前記スロットは、大きくなった近位端開口を含んでおり、
前記案内部材の少なくとも一方を回転させる段階は、前記移植片を前記スロットの前記大きくなった近位端開口に配置することになる、請求項30に記載の方法。 - 前記移植片を配置する前に、前記延展器の遠位端壁に沿ってアダプタを連結する段階を更に含んでいる、請求項30に記載の方法。
- 前記アダプタを連結する段階は、前記アダプタの近位方向に延びるアームを前記延展器の側壁に係合させる段階を更に含んでいる、請求項32に記載の方法。
- 前記移植片を移植片保持器に係合させるさせる段階を更に含んでおり、
前記移植片保持器は、前記アダプタより遠位方向に延びる遠位端と、前記駆動部材を通って延びるシャフトと、調節部材を備えた近位端と、を含んでいる、請求項32に記載の方法。 - 前記アダプタを、一組のアダプタから選択する段階を更に含んでいる、請求項32に記載の方法。
- 前記移植片を移植片保持器に係合させるさせる段階を更に含んでおり、
前記移植片保持器は、前記延展器より遠位方向に延びる遠位端と、前記駆動部材を通って延びるシャフトと、調節部材を備えた近位端と、を含んでいる、請求項30に記載の方法。 - 前記案内部材の遠位支持部材を前記空間内に配置する段階と、
前記駆動部材を操作して、前記延展器と、前記案内部材の間の移植片とを前記空間に向けて遠位方向に前進させる段階と、
前記移植片と前記延展器を遠位方向に前進させ前記案内部材同士を互いに離して、前記円板空間を前記支持部材によって伸延する段階と、
を更に含んでいる、請求項30に記載の方法。 - 前記移植片を前記空間の中へと、前記羽根部が前記隣接する骨部分と接触するまで遠位方向に前進させる段階を更に含んでいる、請求項37に記載の方法。
- 前記駆動部材を操作し前記羽根部を前記隣接する骨部分に押し付けることで前記案内部材を前記骨部分及び前記移植片に対して近位方向に変位させることによって、前記支持部材を、前記移植片と前記隣接する骨部分との間の前記空間から引き抜く段階を更に含んでいる、請求項38に記載の方法。
- 前記上側及び下側の案内部材を、一組の案内部材から選択する段階を更に含んでいる、請求項30に記載の方法。
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Also Published As
Publication number | Publication date |
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US20050165408A1 (en) | 2005-07-28 |
JP4758912B2 (ja) | 2011-08-31 |
CN1933793A (zh) | 2007-03-21 |
AU2005209216A1 (en) | 2005-08-11 |
EP1715821A1 (en) | 2006-11-02 |
AU2005209216B2 (en) | 2010-09-30 |
US7625379B2 (en) | 2009-12-01 |
US8486083B2 (en) | 2013-07-16 |
US20100069914A1 (en) | 2010-03-18 |
WO2005072662A1 (en) | 2005-08-11 |
CA2553534A1 (en) | 2005-08-11 |
CN100560039C (zh) | 2009-11-18 |
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