JP2007195982A - 大きな組織構造体のための脈管シーラーおよび分割器 - Google Patents
大きな組織構造体のための脈管シーラーおよび分割器 Download PDFInfo
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Abstract
【解決手段】双極性鉗子であって、ハウジング20に連結されたシャフト12であって、その遠位端部に顎部材110,120を有し、電気外科手術エネルギー源500と接続するように適合されている;組織を取り扱うために、顎部材を第1の位置から第2の位置まで、互いに関して動かすように作動可能な駆動アセンブリ;ピボットの周りで回転可能な可動式ハンドル40;および可動式ナイフバーを有するナイフアセンブリであって、ナイフバーは、ハウジング内に規定される対応するスロットと係合するような寸法の、ほぼT字型の近位端部を備え、スロットは、ナイフバーが平行移動する間に、ナイフバーの動きをガイドするナイフアセンブリを備える双極性鉗子。
【選択図】図1A
Description
本願は、Hixsonらによって2006年1月24日に出願された、「ENDOSCOPIC VESSEL SEALER AND DIVIDER FOR LARGE TISSUE STRUCTURES」という発明の名称の、米国仮出願第60/761,442号(この出願は、本明細書中に参考として援用される)の優先権を主張する。
内視鏡的な双極性鉗子は、シャフトが固定されたハウジングを備え、このシャフトは、その遠位端部に顎部材を備える。シャフトは、シャフトを通して規定される長手方向軸を備え、そして、顎部材は、間に保持される組織を通してエネルギーを伝導して、組織シールをもたらすことができるように、電気外科手術エネルギー源と接続するように適合される。この鉗子はまた、駆動アセンブリを備え、この駆動アセンブリは、組織を取り扱うために、第1の位置から第2の位置まで、互いに関して顎部材を動かし、第1の位置において、顎部材は、互いに関して間隔を空けて配置され、そして、第2の位置において、顎部材は、互いに関してより近くなっている。ピボットの回りで回転可能であり、駆動アセンブリを押し付けて、顎部材を、第1の位置と第2の位置との間で動かす、可動式ハンドルが備えられる。ピボットは、長手方向軸の上方に一定の距離で配置される。ナイフアセンブリもまた備えられ、このナイフアセンブリは、ハウジング内に規定される対応するスロットと作動可能に係合するような寸法の、ほぼT字型の近位端部を有する可動式ナイフバーを有し、そして、このスロットは、ナイフバーが平行移動する間に、ナイフバーの動きをガイドするような寸法である。
(項目1) 双極性鉗子であって、以下:
ハウジング;
該ハウジングに連結されたシャフトであって、該シャフトは、その遠位端部に顎部材を有し、そして、該シャフトを通して規定される長手方向軸を有し、該顎部材は、該顎部材の間に保持される組織を通してエネルギーを伝導して、組織シールをもたらすことができるように、電気外科手術エネルギー源と接続するように適合されている、シャフト;
組織を取り扱うために、該顎部材を第1の位置から第2の位置まで、互いに関して動かすように作動可能な駆動アセンブリであって、該第1の位置において、該顎部材は、互いに関して間隔を空けた関係で配置されており、そして、該第2の位置において、該顎部材は、互いに関してより近くなっている、駆動アセンブリ;
該駆動アセンブリの駆動フランジが、該顎部材を該第1の位置と該第2の位置との間で動かすように、ピボットの周りで回転可能な可動式ハンドルであって、該ピボットは、該長手方向軸の上方に一定距離で位置しており、そして、該駆動フランジは、ほぼ該長手方向軸に沿って位置している、可動式ハンドル;および
可動式ナイフバーを有するナイフアセンブリであって、該ナイフバーは、該ハウジング内に規定される対応するスロットと係合するような寸法の、ほぼT字型の近位端部を備え、該スロットは、該ナイフバーが平行移動する間に、該ナイフバーの動きをガイドする、ナイフアセンブリ
を備える、双極性鉗子。
(項目2) 項目1に記載の双極性鉗子であって、上記ナイフバーが、上記シャフト内にスライド可能に配置されるナイフに連結されており、そして、該鉗子は、さらに、上記ナイフアセンブリと結合されたフィンガーアクチュエータを備え、該フィンガーアクチュエータを動かすことにより、該ナイフバーを動かし、次いで、該ナイフを動かして、上記顎部材の間に配置された組織を切断する、双極性鉗子。
(項目3) 請求項1に記載の双極性鉗子であって、前記シャフトは、該シャフト内にスライド可能に配置された駆動スリーブを備え、該駆動スリーブは、前記顎部材を動かすための前記駆動アセンブリと連結しており、そして、前記ナイフアセンブリは、前記ナイフバーの遠位端部にカフを備え、該カフは、該駆動スリーブの頂上を被包し、そして、該ナイフバーが動く際に、該駆動スリーブを動かすような寸法である、双極性鉗子。
(項目4) 項目1に記載の双極性鉗子であって、さらに、上記ナイフアセンブリと結合されたフィンガーアクチュエータを備え、該フィンガーアクチュエータは、2つのほぼU字型のフランジを備え、該フランジは、上記ピボットの周りを回転して、上記カフと接して、該カフを遠位に押しつけ、次いで、上記ナイフバーの遠位方向への平行移動をもたらす、双極性鉗子。
(項目5) 項目1に記載の双極性鉗子であって、さらに、上記ナイフアセンブリを最も近位な方向に付勢するばねを備える、双極性鉗子。
(項目6) 項目3に記載の双極性鉗子であって、さらに、上記カフに対して付勢され、上記ナイフアセンブリを最も近位な方向に押しつけるばねを備える、双極性鉗子。
(項目7) 項目1に記載の双極性鉗子であって、さらに、上記シャフトを通して規定される長手方向軸の周りで、上記顎部材を回転させるように作動可能な回転アセンブリを備える、双極性鉗子。
(項目8) 項目1に記載の双極性鉗子であって、さらに、上記ハウジング内に配置され、かつ、上記電気外科手術エネルギー源と接続するように適合されたハンドスイッチを備え、該ハンドスイッチは、使用者が、上記顎部材に双極性のエネルギーを選択的に供給して、組織シールをもたらすことを可能にするように作動可能である、双極性鉗子。
(項目9) 項目1に記載の双極性鉗子であって、上記顎部材の少なくとも一方が、該顎部材の上に配置された一連の停止部材を備え、該停止部材は、シーリングの間に、該顎部材の間の距離を調節するように構成されている、双極性鉗子。
(項目10) 双極性鉗子であって、以下:
ハウジング;
該ハウジングに連結されたシャフトであって、該シャフトは、その遠位端部に顎部材を有し、そして、該シャフトを通して規定される長手方向軸を有し、該顎部材は、該顎部材の間に保持される組織を通してエネルギーを伝導して、組織シールをもたらすことができるように、電気外科手術エネルギー源と接続するように適合されている、シャフト;
組織を取り扱うために、該顎部材を第1の位置から第2の位置まで、互いに関してピボットの周りで動かすように作動可能な駆動アセンブリであって、該第1の位置において、該顎部材は、互いに関して間隔を空けた関係で配置されており、そして、該第2の位置において、該顎部材は、互いに関してより近くなっている、駆動アセンブリ;
該駆動アセンブリの駆動フランジが、該顎部材を該第1の位置と該第2の位置との間で動かすように、ピボットの周りで回転可能な可動式ハンドルであって、該ピボットは、該長手方向軸の上方に一定距離で位置しており、そして、該駆動フランジは、ほぼ該長手方向軸に沿って位置している、可動式ハンドル;
該ハウジングに連結され、駆動ロッドを有するナイフアセンブリに連結された、トリガアセンブリであって、該駆動ロッドは、該トリガアセンブリの作動時に、該顎部材の間に配置される組織を通してナイフを選択的に平行移動させる、トリガアセンブリ;ならびに
該顎部材の間に規定されるナイフチャネルを通る、および、該ナイフチャネル内への、該ナイフの整列および平行移動を容易にするような寸法のナイフガイド
を備える、双極性鉗子。
(項目11) 項目10に記載の双極性鉗子であって、上記ナイフガイドは、上記顎部材を互いに関して絶縁する、2つの係合可能な半体を備える、双極性鉗子。
(項目12) 項目10に記載の双極性鉗子であって、上記ナイフガイドは、該ナイフガイド内に規定される少なくとも1つのアパーチャを備え、該アパーチャは、上記ピボットが、該アパーチャを通って延びることを可能にする、双極性鉗子。
(項目13) 項目10に記載の双極性鉗子であって、上記駆動アセンブリは、該駆動アセンブリの遠位端部にカムピンを備え、該カムピンは、上記顎部材と係合し、そして、上記ナイフガイドは、該ナイフガイド内に規定される少なくとも1つのスロットを備え、該スロットは、該カムピンが該スロット内を通って延びることを可能にする、双極性鉗子。
(項目14) 項目10に記載の双極性鉗子であって、上記ピボットは、該ピボット内に規定されるアパーチャを備え、該アパーチャは、上記ナイフが該アパーチャ内を通って延びることを可能にする、双極性鉗子。
(項目15) 項目10に記載の双極性鉗子であって、前記ピボットは、基部およびキャップを備え、該基部およびキャップは、前記シャフトのそれぞれ反対側から互いに嵌合するように係合して、組み立ての間に、前記顎部材を固定する、双極性鉗子。
(項目16) 項目10に記載の双極性鉗子であって、上記ナイフアセンブリは、T字型の遠位端部と近位端部とを有するナイフキャリッジを備え、該遠位端部は、トリガアセンブリと係合しており、該近位端部は、上記ハウジング内にスライド式に取り付けられたナイフバーと係合している、双極性鉗子。
ここで、図1A〜2を参照すると、種々の外科手順と共に使用するための双極性鉗子10の一実施形態が示され、この鉗子10は、一般に、ハウジング20、ハンドルアセンブリ30、回転アセンブリ80、トリガアセンブリ70、およびエンドエフェクタアセンブリ100を備え、これらは、大きな管状の管および大きな脈管組織を把持し、シールし、そして分割するように相互に協働する。図面の大半は、内視鏡的外科手順と組み合わせて使用するための双極性鉗子10を示すが、本開示は、より従来の開胸外科手順にも使用され得る。本明細書における目的のために、鉗子10は、内視鏡的な機器の観点から記載される;しかし、開胸手術用バージョンの鉗子もまた、以下に記載されるものと同じかもしくは類似の、動作部品および特徴を備え得ることが企図される。
・全ての組織型を通じ、一貫した臨床上の効果;
・熱の伝播および付随的な組織の損傷の危険性の減少;
・「発電機の出力を上げる」必要性の低下;ならびに
・最小侵襲性の環境のための設計。
電気外科的エネルギーの強度、頻度および期間を制御することによって、その利用者は、組織を処置し得、つまり、その組織をシールし得る。
エンドエフェクタアセンブリ100の外面は、作動およびシーリングの間の、顎部材110および120間と周囲の組織との接着を減少させるために設計された、ニッケルベースの材料、コーティング、スタンピング、金属射出成形を備え得る。さらに、顎部材110および120の導電性表面112および122は、以下の物質のうちの1種(または、1種以上の組み合わせ)から製造され得る:ニッケルクロム、窒化クロム、OHIOのThe Electrolizing Corporationから製造されるMedCoat 2000、inconel 600およびスズ−ニッケル。組織導電性表面112および122はまた、同一の結果(すなわち、「非接着表面」)を達成するために、1種以上の上記物質でコーティングされ得る。認識され得るように、シーリングの間の組織の「接着」量を減少させることは、器具の全体的な効力を改善する。
Claims (16)
- 双極性鉗子であって、以下:
ハウジング;
該ハウジングに連結されたシャフトであって、該シャフトは、その遠位端部に顎部材を有し、そして、該シャフトを通して規定される長手方向軸を有し、該顎部材は、該顎部材の間に保持される組織を通してエネルギーを伝導して、組織シールをもたらすことができるように、電気外科手術エネルギー源と接続するように適合されている、シャフト;
組織を取り扱うために、該顎部材を第1の位置から第2の位置まで、互いに関して動かすように作動可能な駆動アセンブリであって、該第1の位置において、該顎部材は、互いに関して間隔を空けた関係で配置されており、そして、該第2の位置において、該顎部材は、互いに関してより近くなっている、駆動アセンブリ;
該駆動アセンブリの駆動フランジが、該顎部材を該第1の位置と該第2の位置との間で動かすように、ピボットの周りで回転可能な可動式ハンドルであって、該ピボットは、該長手方向軸の上方に一定距離で位置しており、そして、該駆動フランジは、ほぼ該長手方向軸に沿って位置している、可動式ハンドル;および
可動式ナイフバーを有するナイフアセンブリであって、該ナイフバーは、該ハウジング内に規定される対応するスロットと係合するような寸法の、ほぼT字型の近位端部を備え、該スロットは、該ナイフバーが平行移動する間に、該ナイフバーの動きをガイドする、ナイフアセンブリ
を備える、双極性鉗子。 - 請求項1に記載の双極性鉗子であって、前記ナイフバーが、前記シャフト内にスライド可能に配置されるナイフに連結されており、そして、該鉗子は、さらに、前記ナイフアセンブリと結合されたフィンガーアクチュエータを備え、該フィンガーアクチュエータを動かすことにより、該ナイフバーを動かし、次いで、該ナイフを動かして、前記顎部材の間に配置された組織を切断する、双極性鉗子。
- 請求項1に記載の双極性鉗子であって、前記シャフトは、該シャフト内にスライド可能に配置された駆動スリーブを備え、該駆動スリーブは、前記顎部材を動かすための前記駆動アセンブリと連結しており、そして、前記ナイフアセンブリは、前記ナイフバーの遠位端部にカフを備え、該カフは、該駆動スリーブの頂上を被包し、そして、該ナイフバーが動く際に、該駆動スリーブを動かすような寸法である、双極性鉗子。
- 請求項1に記載の双極性鉗子であって、さらに、前記ナイフアセンブリと結合されたフィンガーアクチュエータを備え、該フィンガーアクチュエータは、2つのほぼU字型のフランジを備え、該フランジは、前記ピボットの周りを回転して、前記カフと接して、該カフを遠位に押しつけ、次いで、前記ナイフバーの遠位方向への平行移動をもたらす、双極性鉗子。
- 請求項1に記載の双極性鉗子であって、さらに、前記ナイフアセンブリを最も近位な方向に付勢するばねを備える、双極性鉗子。
- 請求項3に記載の双極性鉗子であって、さらに、前記カフに対して付勢され、前記ナイフアセンブリを最も近位な方向に押しつけるばねを備える、双極性鉗子。
- 請求項1に記載の双極性鉗子であって、さらに、前記シャフトを通して規定される長手方向軸の周りで、前記顎部材を回転させるように作動可能な回転アセンブリを備える、双極性鉗子。
- 請求項1に記載の双極性鉗子であって、さらに、前記ハウジング内に配置され、かつ、前記電気外科手術エネルギー源と接続するように適合されたハンドスイッチを備え、該ハンドスイッチは、使用者が、前記顎部材に双極性のエネルギーを選択的に供給して、組織シールをもたらすことを可能にするように作動可能である、双極性鉗子。
- 請求項1に記載の双極性鉗子であって、前記顎部材の少なくとも一方が、該顎部材の上に配置された一連の停止部材を備え、該停止部材は、シーリングの間に、該顎部材の間の距離を調節するように構成されている、双極性鉗子。
- 双極性鉗子であって、以下:
ハウジング;
該ハウジングに連結されたシャフトであって、該シャフトは、その遠位端部に顎部材を有し、そして、該シャフトを通して規定される長手方向軸を有し、該顎部材は、該顎部材の間に保持される組織を通してエネルギーを伝導して、組織シールをもたらすことができるように、電気外科手術エネルギー源と接続するように適合されている、シャフト;
組織を取り扱うために、該顎部材を第1の位置から第2の位置まで、互いに関してピボットの周りで動かすように作動可能な駆動アセンブリであって、該第1の位置において、該顎部材は、互いに関して間隔を空けた関係で配置されており、そして、該第2の位置において、該顎部材は、互いに関してより近くなっている、駆動アセンブリ;
該駆動アセンブリの駆動フランジが、該顎部材を該第1の位置と該第2の位置との間で動かすように、ピボットの周りで回転可能な可動式ハンドルであって、該ピボットは、該長手方向軸の上方に一定距離で位置しており、そして、該駆動フランジは、ほぼ該長手方向軸に沿って位置している、可動式ハンドル;
該ハウジングに連結され、駆動ロッドを有するナイフアセンブリに連結された、トリガアセンブリであって、該駆動ロッドは、該トリガアセンブリの作動時に、該顎部材の間に配置される組織を通してナイフを選択的に平行移動させる、トリガアセンブリ;ならびに
該顎部材の間に規定されるナイフチャネルを通る、および、該ナイフチャネル内への、該ナイフの整列および平行移動を容易にするような寸法のナイフガイド
を備える、双極性鉗子。 - 請求項10に記載の双極性鉗子であって、前記ナイフガイドは、前記顎部材を互いに関して絶縁する、2つの係合可能な半体を備える、双極性鉗子。
- 請求項10に記載の双極性鉗子であって、前記ナイフガイドは、該ナイフガイド内に規定される少なくとも1つのアパーチャを備え、該アパーチャは、前記ピボットが、該アパーチャを通って延びることを可能にする、双極性鉗子。
- 請求項10に記載の双極性鉗子であって、前記駆動アセンブリは、該駆動アセンブリの遠位端部にカムピンを備え、該カムピンは、前記顎部材と係合し、そして、前記ナイフガイドは、該ナイフガイド内に規定される少なくとも1つのスロットを備え、該スロットは、該カムピンが該スロット内を通って延びることを可能にする、双極性鉗子。
- 請求項10に記載の双極性鉗子であって、前記ピボットは、該ピボット内に規定されるアパーチャを備え、該アパーチャは、前記ナイフが該アパーチャ内を通って延びることを可能にする、双極性鉗子。
- 請求項10に記載の双極性鉗子であって、前記ピボットは、基部およびキャップを備え、該基部およびキャップは、前記シャフトのそれぞれ反対側から互いに嵌合するように係合して、組み立ての間に、前記顎部材を固定する、双極性鉗子。
- 請求項10に記載の双極性鉗子であって、前記ナイフアセンブリは、T字型の遠位端部と近位端部とを有するナイフキャリッジを備え、該遠位端部は、トリガアセンブリと係合しており、該近位端部は、前記ハウジング内にスライド式に取り付けられたナイフバーと係合している、双極性鉗子。
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Also Published As
Publication number | Publication date |
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JP2012139545A (ja) | 2012-07-26 |
EP1810625A1 (en) | 2007-07-25 |
ES2330261T3 (es) | 2009-12-07 |
US20070173814A1 (en) | 2007-07-26 |
JP5196793B2 (ja) | 2013-05-15 |
US20100280515A1 (en) | 2010-11-04 |
CA2574748C (en) | 2015-03-24 |
US8070748B2 (en) | 2011-12-06 |
AU2007200294A1 (en) | 2007-08-09 |
EP2286752A1 (en) | 2011-02-23 |
EP2286752B1 (en) | 2012-08-29 |
EP2085043B1 (en) | 2013-10-09 |
AU2007200294B2 (en) | 2013-03-14 |
DE602007001898D1 (de) | 2009-09-24 |
US7766910B2 (en) | 2010-08-03 |
EP1810625B1 (en) | 2009-08-12 |
ES2393061T3 (es) | 2012-12-18 |
EP2286752B2 (en) | 2016-05-04 |
JP5603368B2 (ja) | 2014-10-08 |
JP2012179372A (ja) | 2012-09-20 |
EP2286750B1 (en) | 2012-08-22 |
EP2286750A1 (en) | 2011-02-23 |
ES2391541T3 (es) | 2012-11-27 |
CA2574748A1 (en) | 2007-07-24 |
EP2085043A1 (en) | 2009-08-05 |
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