JP2013537467A - 外科的アクセスシステムおよび関連する方法 - Google Patents
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Abstract
【選択図】図7
Description
この国際(PCT)特許出願は、2010年8月23日に出願された米国仮出願整理番号第61/376,163号、2010年10月6日に出願された米国仮出願整理番号第61/390,248号、および2011年4月22日に出願された米国仮出願整理番号第61/473,138号に対する優先権を主張し、それらの各々の完全な開示が、本明細書に完全に明記されているかのように、参照により本願に組み込まれる。
Claims (21)
- 脊髄の手術の標的部位への手術経路を作成するための開創器組立体であって、
開創器本体および前記開創器本体に概ね垂直に延出する複数の開創器ブレードであって、組織開創器が前記手術の標的部位へ進められ、かつ、前記開創器ブレードが分離され、それによって前記手術の標的部位への手術経路が形成される場合に、組織を前記開創器ブレードの内側から離して開創させるために、前記開創器本体が、前記複数の開創器ブレードを互いに分離するように操作可能である、開創器本体および開創器ブレードと、
前記複数の開創器ブレードのうちの少なくとも2つに取り付け可能な補足的開創器ブレード組立体であって、前記補足的開創器ブレード組立体が、細長い補足的開創器ブレードおよびクロスバーコネクタを含み、前記クロスバーコネクタが、前記補足的開創器ブレードと係合しながら、前記少なくとも2つの開創器ブレードに取り付けられるように構成される、補足的開創器ブレード組立体と、を含む、
開創器組立体。 - 前記少なくとも2つの開創器ブレードの各々が、前記開創器ブレードに対して概ね垂直に延出するポストを含み、前記ポストが前記クロスバーコネクタと係合するように構成される、
請求項1に記載の開創器組立体。 - 前記クロスバーコネクタが、前記少なくとも2つの開創器ブレードの相対移動を可能にしながら、前記補足的開創器ブレードを固定位置に維持するように構成される、
請求項1に記載の開創器組立体。 - 前記クロスバーコネクタが、その中を通って延在するスロットを有する細長部材を含み、前記スロットが前記少なくとも2つの開創器ブレードの前記ポストと相互作用するように構成される、
請求項2に記載の開創器組立体。 - 前記補足的開創器ブレードがそれに取り付けられたハンドルを含む、
請求項1に記載の開創器組立体。 - 前記複数の開創器ブレードが、少なくとも3つの開創器ブレードを含み、前記少なくとも3つの開創器ブレードが、尾側ブレード、頭側ブレード、および中央ブレードを含み、前記クロスバーコネクタが前記尾側ブレードおよび前記頭側ブレードと係合する、
請求項1に記載の開創器組立体。 - 脊髄の手術の標的部位への手術経路を作成するためのシステムであって、
開創器本体および前記開創器本体に概ね垂直に延出する複数の開創器ブレードを含む開創器組立体であって、組織開創器が前記手術の標的部位へ進められ、かつ、前記開創器ブレードが分離され、それによって前記手術の標的部位への手術経路が形成される場合に、組織を前記開創器ブレードの内側から離して開創させるために、前記開創器本体が、前記複数の開創器ブレードを互いに分離するように操作可能であり、前記複数のブレードのうちの少なくとも1つが電極部材に結合するように構成された電極ブレードである、開創器組立体と、
前記電極ブレードと取り外し可能に結合可能であり、電気刺激信号を、前記後部ブレードの遠位端に隣接した組織に伝送するように構成された電極部材と、を含む、
システム。 - 前記電極ブレードが、その中を通って縦方向に延在する細長い内側のスロットを有する、
請求項7に記載のシステム。 - 前記電極部材が、前記電極ブレードの前記細長いスロット内で摺動自在に受け入れられるように構成され、前記細長電極部材が、近位露出領域と遠位露出領域との間の長さに延在する導電性配線を有する非導電材料を含む、
請求項8に記載のシステム。 - 近位露出領域が神経モニタリングシステムと電気通信するように構成される、
請求項9に記載のシステム。 - 前記導電性配線要素が、前記近位と遠位露出領域との間の長さに沿った電流分流を防ぐために、誘電体被覆で絶縁される、
請求項9に記載のシステム。 - 前記電極ブレードが、前記電極ブレードの前記遠位端の近くの前記細長スロットに連結する開口部をさらに含む、
請求項9に記載のシステム。 - 前記細長電極の前記遠位露出領域が、前記電極ブレードの前記遠位開口部と一致するように構成される、
請求項12に記載のシステム。 - 脊髄の手術の標的部位への手術経路を作成するための開創器組立体であって、
開創器本体および前記開創器本体に概ね垂直に延出する複数の開創器ブレードであって、組織開創器が前記手術の標的部位へ進められ、かつ、前記開創器ブレードが分離され、それによって前記手術の標的部位への手術経路が形成される場合に、組織を前記開創器ブレードの内側から離して開創させるために、前記開創器本体が、前記複数の開創器ブレードを互いに分離するように操作可能であり、前記開創器本体が、前記開創器ブレードの遠位端が前記開創器ブレードの近位端よりも幅広く延出するように、前記複数の開創器ブレードのうちの少なくとも1つを広げるようにも操作可能であり、前記少なくとも1つの開創器ブレードを広げることが、前記開創器本体内に据えられたギアによって制御される、開創器本体および複数の開創器ブレード、を含む、
開創器組立体。 - 前記ギアが連続的な拡大を提供する、
請求項14に記載の開創器組立体。 - 前記ギアがラックとピニオンである、
請求項14に記載の開創器組立体。 - 前記ラックとピニオンが、送りねじによって駆動される、
請求項16に記載の開創器組立体。 - 前記開創器組立体が3つのブレードを含み、前記3つの開創器ブレードのうちの2つが拡大可能である、
請求項14に記載の開創器組立体。 - 前記2つの拡大可能な開創器ブレードの各々が、専用のギア機構によって独立して制御される、
請求項17に記載の開創器組立体。 - 前記独立して制御可能なギア機構の各々が、連続的な拡大を提供する、
請求項19に記載の開創器組立体。 - 前記独立して制御可能なギア機構の各々が、送りねじによって駆動されるラックとピニオンである、
請求項20に記載の開創器組立体。
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