JP5143840B2 - 可撓性の関節運動シャフトを有する内視鏡血管封着器および分割器 - Google Patents
可撓性の関節運動シャフトを有する内視鏡血管封着器および分割器 Download PDFInfo
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- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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Description
本出願は、米国仮特許出願第60/850,214号(2006年10月6日出願、出願人:Eric Taylor他、名称「ENDOSCOPIC VESSEL SEALER AND DIVIDER HAVING A FLEXIBLE ARTICULATING SHAFT」)に基づく優先権の利益を主張する。この仮出願の内容は、参照により本明細書に引用される。
本発明は、電気外科鉗子に関し、より具体的には、本発明は、細長く、略可撓性、かつ関節運動型のシャフトを利用した、組織を封着および/または切断するための内視鏡電気外科鉗子に関する。
例えば、本発明は以下を提供する。
(項目1)
組織を治療するための電気外科器具であって、
可撓性のシャフトを有するハウジングであって、上記可撓性のシャフトは、上記ハウジングから延在し、上記可撓性のシャフトを通り画定される軸A−Aを有し、上記可撓性のシャフトは、その遠位端に取り付けられた第1および第2の顎部材を含み、各顎部材は、導電性組織接触面が、それらの間に保持された組織を介して電気外科的エネルギーを伝導することができるように、上記電気外科的エネルギー源に接続するように適合された導電性組織接触面を含む、ハウジングと、
上記ハウジング内に配置された駆動アセンブリであって、上記駆動アセンブリは、駆動ロッドの往復運動のために上記駆動ロッドに動作可能に連結された第1のアクチュエータと、上記駆動ロッドの回転のために上記駆動ロッドに動作可能に連結された第2のアクチュエータとを含む、駆動アセンブリと、
上記駆動ロッドの遠位端に動作可能に連結されたナイフと
を含み、
上記第1のアクチュエータの作動は、組織を係合するために、上記顎部材を互いに対して離間した第1の位置から互いに近接した第2の位置に移動させ、上記第2のアクチュエータの作動は、上記顎部材の間に配置された組織を切断するために、上記軸A−Aのまわりで上記駆動ロッドを回転させることにより、上記ナイフを平行移動させる、
組織を治療するための電気外科器具。
(項目2)
上記駆動ロッドの上記遠位端に連結されたカムアセンブリをさらに含み、
上記カムアセンブリは、上記ナイフ上に配置された対応する戻り止めを嵌合係合するように構成されたその中に画定された溝のついた外周辺を有するカムハブを含み、上記駆動ロッドの回転運動は、対応して上記カムハブを回転させ、次に、上記顎部材に対して上記戻り止めおよびナイフを平行移動させるように構成されている、項目1に記載の組織を治療するための電気外科器具。
(項目3)
上記カムアセンブリはまた、上記駆動ロッドを上記カムハブに連結するように構成された連結デバイスを含む、項目2に記載の組織を治療するための電気外科器具。
(項目4)
上記連結デバイスは、係止ロッドを含み、上記係止ロッドは、一方の端で、上記駆動ロッドと連動するように構成されており、反対端で、上記カムハブ内において画定される鍵状開口部を嵌合係合するように構成されている、項目3に記載の組織を治療するための電気外科器具。
(項目5)
上記可撓性のシャフトは、複数の接合部を含み、上記複数の接合部は、入れ子のように直列に配置され、上記可撓性のシャフトの少なくとも一部分を形成する、項目1に記載の組織を治療するための電気外科器具。
(項目6)
各接合部は、その中の上記駆動ロッドの往復運動を可能にするように、それを介して画定される少なくとも1つの管腔を含む、項目5に記載の組織を治療するための電気外科器具。
(項目7)
各接合部は、その中に形成される中心管腔と、上記中心管腔の両側に形成される1対の対向管腔とを含み、上記電気外科器具は、軸A−Aに対して上記シャフトを関節運動させるために互いに対して可動の、上記それぞれの対向管腔を介して摺動自在に延在可能な1対の関節運動ケーブルを含む、項目5に記載の組織を治療するための電気外科器具。
(項目8)
上記1対の関節運動ケーブルを互いに対して移動させることにより、上記可撓性のシャフトを軸A−Aに対して関節運動させるための、上記ハウジングの動作可能に連結された第3のアクチュエータをさらに含む、項目7に記載の組織を治療するための電気外科器具。
(項目9)
組織を治療するための電気外科器具であって、
可撓性のシャフトを有するハウジングであって、上記可撓性のシャフトは、上記ハウジングから延在する軸A−Aを含む、ハウジングと、
上記シャフトの遠位端に取り付けられたエンドエフェクタアセンブリであって、上記エンドエフェクタは、上記顎部材が、互いに対して離間した第1の位置から、互いに対して近接した第2の位置に可動となるように、旋回ピンのまわりで第1および第2の顎部材を支持するクレビスを含み、各顎部材は、導電性組織接触面が、それらの間に保持された組織を介して電気外科的エネルギーを伝導することができるように、上記電気外科的エネルギー源に接続するように適合された導電性組織接触面を含み、上記顎部材の各々は、その中に画定された角度のついたカム表面を含み、上記クレビスは、その中に画定されたスロットを含む、エンドエフェクタアセンブリと、
上記駆動ロッドの遠位端に動作可能に連結されたナイフと、
上記ハウジング内に配置された駆動アセンブリであって、上記駆動アセンブリは、駆動ロッドの往復運動のために上記駆動ロッドに動作可能に連結された第1のアクチュエータと、上記駆動ロッドの回転のために上記駆動ロッドに動作可能に連結された第2のアクチュエータとを含み、上記駆動ロッドの上記遠位端は、上記顎部材内に画定された上記カム表面と上記クレビス内に画定された上記スロットとの両方を係合する駆動ピンを受け入れるように構成されており、上記第1のアクチュエータの作動は、組織を係合するために、駆動ピンを往復運動させることにより、互いに対して離間した第1の位置から互いに対して近接した第2の位置に上記顎部材を移動させ、上記第2のアクチュエータの作動は、上記顎部材の間に配置された組織を切断するために、上記軸A−Aのまわりで上記駆動ロッドを回転させることにより、上記ナイフを平行移動させる、
組織を治療するための電気外科器具。
(項目10)
上記駆動ロッドの上記遠位端に連結されたカムアセンブリをさらに含み、
上記カムアセンブリは、上記ナイフ上に配置された対応する戻り止めを嵌合係合するように構成されたその中に画定された溝のついた外周辺を有するカムハブを含み、上記駆動ロッドの回転運動は、対応して上記カムハブを回転させ、次に、上記顎部材に対して上記戻り止めおよびナイフを平行移動させるように構成されている、項目9に記載の組織を治療するための電気外科器具。
(項目11)
上記駆動ロッドは、上記カムハブ内に摺動自在に受け入れられる、項目10に記載の組織を治療するための電気外科器具。
(項目12)
上記カムアセンブリはまた、上記駆動ロッドを上記カムハブに連結するように構成された連結デバイスを含む、項目10に記載の組織を治療するための電気外科器具。
(項目13)
上記連結デバイスは、係止ロッドを含み、上記係止ロッドは、一方の端で、上記駆動ロッドと連動するように構成されており、反対端で、上記カムハブ内において画定される鍵状開口部を嵌合係合するように構成されている、項目12に記載の組織を治療するための電気外科器具。
(項目14)
上記可撓性のシャフトは、複数の接合部を含み、上記複数の接合部は、入れ子のように直列に配置され、上記可撓性のシャフトの少なくとも一部分を形成する、項目9に記載の組織を治療するための電気外科器具。
(項目15)
各接合部は、その中の上記駆動ロッドの往復運動を可能にするように、それを介して画定される少なくとも1つの管腔を含む、項目14に記載の組織を治療するための電気外科器具。
(項目16)
各接合部は、その中に形成される中心管腔と、上記中心管腔の両側に形成される1対の対向管腔とを含み、上記電気外科器具は、軸A−Aに対して上記シャフトを関節運動させるために互いに対して可動の、上記それぞれの対向管腔を介して摺動自在に延在可能な1対の関節運動ケーブルを含む、項目14に記載の組織を治療するための電気外科器具。
(項目17)
上記1対の関節運動ケーブルを互いに対して移動させることにより、上記可撓性のシャフトを軸A−Aに対して関節運動させるための、上記ハウジングの動作可能に連結された第3のアクチュエータをさらに含む、項目16に記載の組織を治療するための電気外科器具。
Claims (17)
- 組織を治療するための電気外科器具であって、
可撓性のシャフトを有するハウジングであって、該可撓性のシャフトは、該ハウジングから延在し、該可撓性のシャフトを通り画定される軸A−Aを有し、該可撓性のシャフトは、その遠位端に取り付けられた第1および第2の顎部材を含み、各顎部材は、導電性組織接触面が、それらの間に保持された組織を介して電気外科的エネルギーを伝導することができるように、電気外科的エネルギー源に接続するように適合された導電性組織接触面を含む、ハウジングと、
該ハウジング内に配置された駆動アセンブリであって、該駆動アセンブリは、駆動ロッドの往復運動のために該駆動ロッドに動作可能に連結された第1のアクチュエータと、該駆動ロッドの回転のために該駆動ロッドに動作可能に連結された第2のアクチュエータとを含む、駆動アセンブリと、
該駆動ロッドの遠位端に動作可能に連結されたナイフと
を含み、
該第1のアクチュエータの作動は、組織を係合するために、該顎部材を互いに対して離間した第1の位置から互いに近接した第2の位置に移動させ、該第2のアクチュエータの作動は、該顎部材の間に配置された組織を切断するために、該軸A−Aのまわりで該駆動ロッドを回転させることにより、該ナイフを平行移動させる、
組織を治療するための電気外科器具。 - 前記駆動ロッドの前記遠位端に連結されたカムアセンブリをさらに含み、
該カムアセンブリは、該ナイフ上に配置された対応する戻り止めを嵌合係合するように構成されたその中に画定された溝のついた外周辺を有するカムハブを含み、該駆動ロッドの回転運動は、対応して該カムハブを回転させ、次に、該顎部材に対して該戻り止めおよびナイフを平行移動させるように構成されている、請求項1に記載の組織を治療するための電気外科器具。 - 前記カムアセンブリはまた、前記駆動ロッドを前記カムハブに連結するように構成された連結デバイスを含む、請求項2に記載の組織を治療するための電気外科器具。
- 前記連結デバイスは、係止ロッドを含み、該係止ロッドは、一方の端で、前記駆動ロッドと連動するように構成されており、反対端で、前記カムハブ内において画定される鍵状開口部を嵌合係合するように構成されている、請求項3に記載の組織を治療するための電気外科器具。
- 前記可撓性のシャフトは、複数の接合部を含み、該複数の接合部は、入れ子のように直列に配置され、該可撓性のシャフトの少なくとも一部分を形成する、請求項1に記載の組織を治療するための電気外科器具。
- 各接合部は、その中の前記駆動ロッドの往復運動を可能にするように、それを介して画定される少なくとも1つの管腔を含む、請求項5に記載の組織を治療するための電気外科器具。
- 各接合部は、その中に形成される中心管腔と、該中心管腔の両側に形成される1対の対向管腔とを含み、前記電気外科器具は、軸A−Aに対して前記シャフトを関節運動させるために互いに対して可動の、該それぞれの対向管腔を介して摺動自在に延在可能な1対の関節運動ケーブルを含む、請求項5に記載の組織を治療するための電気外科器具。
- 前記1対の関節運動ケーブルを互いに対して移動させることにより、前記可撓性のシャフトを軸A−Aに対して関節運動させるための、前記ハウジングの動作可能に連結された第3のアクチュエータをさらに含む、請求項7に記載の組織を治療するための電気外科器具。
- 組織を治療するための電気外科器具であって、
可撓性のシャフトを有するハウジングであって、該可撓性のシャフトは、該ハウジングから延在する軸A−Aを含む、ハウジングと、
該シャフトの遠位端に取り付けられたエンドエフェクタアセンブリであって、該エンドエフェクタは、前記顎部材が、互いに対して離間した第1の位置から、互いに対して近接した第2の位置に可動となるように、旋回ピンのまわりで第1および第2の顎部材を支持するクレビスを含み、各顎部材は、導電性組織接触面が、それらの間に保持された組織を介して電気外科的エネルギーを伝導することができるように、電気外科的エネルギー源に接続するように適合された導電性組織接触面を含み、該顎部材の各々は、その中に画定された角度のついたカム表面を含み、該クレビスは、その中に画定されたスロットを含む、エンドエフェクタアセンブリと、
駆動ロッドの遠位端に動作可能に連結されたナイフと、
該ハウジング内に配置された駆動アセンブリであって、該駆動アセンブリは、該駆動ロッドの往復運動のために該駆動ロッドに動作可能に連結された第1のアクチュエータと、該駆動ロッドの回転のために該駆動ロッドに動作可能に連結された第2のアクチュエータとを含み、該駆動ロッドの該遠位端は、該顎部材内に画定された該カム表面と該クレビス内に画定された該スロットとの両方を係合する駆動ピンを受け入れるように構成されており、該第1のアクチュエータの作動は、組織を係合するために、駆動ピンを往復運動させることにより、互いに対して離間した第1の位置から互いに対して近接した第2の位置に該顎部材を移動させ、該第2のアクチュエータの作動は、該顎部材の間に配置された組織を切断するために、該軸A−Aのまわりで該駆動ロッドを回転させることにより、該ナイフを平行移動させる、
組織を治療するための電気外科器具。 - 前記駆動ロッドの前記遠位端に連結されたカムアセンブリをさらに含み、
該カムアセンブリは、該ナイフ上に配置された対応する戻り止めを嵌合係合するように構成されたその中に画定された溝のついた外周辺を有するカムハブを含み、該駆動ロッドの回転運動は、対応して該カムハブを回転させ、次に、該顎部材に対して該戻り止めおよびナイフを平行移動させるように構成されている、請求項9に記載の組織を治療するための電気外科器具。 - 前記駆動ロッドは、前記カムハブ内に摺動自在に受け入れられる、請求項10に記載の組織を治療するための電気外科器具。
- 前記カムアセンブリはまた、前記駆動ロッドを前記カムハブに連結するように構成された連結デバイスを含む、請求項10に記載の組織を治療するための電気外科器具。
- 前記連結デバイスは、係止ロッドを含み、該係止ロッドは、一方の端で、前記駆動ロッドと連動するように構成されており、反対端で、前記カムハブ内において画定される鍵状開口部を嵌合係合するように構成されている、請求項12に記載の組織を治療するための電気外科器具。
- 前記可撓性のシャフトは、複数の接合部を含み、該複数の接合部は、入れ子のように直列に配置され、該可撓性のシャフトの少なくとも一部分を形成する、請求項9に記載の組織を治療するための電気外科器具。
- 各接合部は、その中の前記駆動ロッドの往復運動を可能にするように、それを介して画定される少なくとも1つの管腔を含む、請求項14に記載の組織を治療するための電気外科器具。
- 各接合部は、その中に形成される中心管腔と、該中心管腔の両側に形成される1対の対向管腔とを含み、前記電気外科器具は、軸A−Aに対して前記シャフトを関節運動させるために互いに対して可動の、該それぞれの対向管腔を介して摺動自在に延在可能な1対の関節運動ケーブルを含む、請求項14に記載の組織を治療するための電気外科器具。
- 前記1対の関節運動ケーブルを互いに対して移動させることにより、前記可撓性のシャフトを軸A−Aに対して関節運動させるための、前記ハウジングの動作可能に連結された第3のアクチュエータをさらに含む、請求項16に記載の組織を治療するための電気外科器具。
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