JP5572637B2 - 電気外科回転切開器具 - Google Patents
電気外科回転切開器具 Download PDFInfo
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Description
標的組織が切開される。
器具100は、意図しない部分への不注意な切開をすることなく、膜シートを切開するために利用することができる。非対称形の遠位部131は、膜シートの遠位端に沿って最初に穴部を破断する。穴部を通って非対称形の遠位部131を固定させると、非対称形の遠位部131は、膜をカットして、後の処置用に肝臓から胆嚢の分離を可能にするために、前述のように引き戻される。器具100は、ナイフ・ワイヤが膜シートに遠位方向に押込まれるとき、うっかりと臓器のうちの1つを刺すかもしれない従来の針尖刃より有利である。針尖刃が膜シートの切開を完了したとき、ワイヤはむちのような制御できない方法でまっすぐになり、胆嚢又は肝臓に当たり得る。そのような危険性は、器具100で実質的に回避される。
111、155、191 近位端
110 外側細長シース
111 ルーメン
120 端部キャップ
121、156、192 遠位端
122 通路
130 非対称形の導電性切開エレメント
131 遠位部
132 近位部
137 第2の縦材
138 窪んだ間隙
139 第1の縦材
140 横材、制御アセンブリ
141 上側領域、ステム、スプール
142 下側領域、スプール、ステム
142 ストッパ
148 制御ハンドルアセンブリ
150 トルクケーブル
160 ワイヤ部材
161 隆起部
167 中空の構成
188 半田
410 溝を有する開口部
420 穴
500 外側固定シース
610 標的組織ストランド
615 位置
620 標的器官
676 意図しない標的
700 鎌形状フック
720 空間
739 S字湾曲フック部
740 基部
750 柄
L 長手方向中央軸線
D 高さ
Claims (12)
- 間に長手方向中央軸線を有する近位端及び遠位端を有し、前記近位端から前記遠位端まで延在しているルーメンをさらに備えている外側細長シースと、
近位端と遠位端の間に延在するロープのような構造体を形成するために、前記外側細長シースの前記長手方向中央軸線の周りに螺旋状に巻かれた複数の金属ワイヤを備え、前記外側細長シースの前記ルーメン内に延在するトルクケーブルと、
前記トルクケーブルの前記遠位端に取り付けられ、且つ前記シースの前記ルーメン内を遠位方向に延在するように構成された近位部と、前記長手方向中央軸線を含む平面内で前記近位部の遠位端から遠位方向に伸張する遠位部であって、はじめに前記長手方向中央軸線の一方の側に伸張し次に前記長手方向中央軸線の他方の側に伸張し、その先端と前記近位部の遠位端との間に窪んだ間隙を形成している遠位部を有し、標的組織の切開を行うために、前記トルクケーブルの対応する回転方向及び軸線方向の動作によって回転方向に及び軸線方向に動作可能であるように構成された切開エレメントと、
前記外側細長シースの前記遠位端に取り付けられた近位部と、細長にされた開口部を備える遠位部を有する端部キャップであって、前記細長にされた開口部は前記長手方向中央軸線を含む平面内で伸張されており、前記シースの前記ルーメン及び前記キャップの前記遠位部の前記細長にされた開口部と連通している通路をさらに備えている端部キャップと、
を備え、
前記細長にされた開口部は、前記遠位部が前記長手方向中央軸線の方向で前記開口に整合する位置に回転された状態において、該遠位部が通過でき、前記遠位部が前記整合した位置から離れる方向に回転された状態では、該遠位部が通過するのを阻止できるサイズである、電気外科切開器具。 - 前記切開エレメントの前記遠位部は、前記長手方向中央軸線の前記一方の側に伸張する第1の部材と、前記第1の部材の先端から遠位方向に延びる第2の部材と、該第2の部材の遠位先端から前記長手方向中央軸線を横断して前記長手方向中央軸線の前記反対側に伸張する第3の部材とを備えている、請求項1に記載の電気外科切開器具。
- 前記第3の部材が、前記長手方向中央軸線を横断する方向で、前記第1の部材以上の長さを有する、請求項2に記載の電気外科切開器具。
- 前記第1の部材の前記横断する方向での長さは約0.635mmから約2.032mmまでの間にあり、前記第3の部材の前記側面長さは約1.27mmから約4.064mmまでの間にある、請求項3に記載の電気外科切開器具。
- 前記トルクケーブルは近位方向に引き込まれた位置と遠位方向に伸張された位置の間で可動であり、前記引き込まれた位置では、前記切開エレメントの前記遠位部が前記端部キャップの前記細長にされた開口部の内側に配置され、前記伸張された位置では、前記切開エレメントの前記遠位部が前記端部キャップの前記遠位部を越えて伸張し、前記第3の部材は、前記伸張された位置で、前記切開エレメントに前記標的組織を切開することができるように構成されている、請求項1乃至4のいずれか一項に記載の電気外科切開器具。
- 前記トルクケーブルの前記近位端に操作可能に連結され、ステムと該ステムに摺動可能に取り付けられたスプールを有する制御ハンドルアセンブリをさらに備え、前記スプールは前記ステムに対して第1の軸線方向に摺動して、前記トルクケーブルと前記切開エレメントを前記第1の軸線方向に動かすように構成され、また、前記ステムに対して第1の回転方向に回転して、前記トルクケーブルと前記切開エレメントを前記第1の回転方向に回転させるように構成されている、請求項1乃至5のいずれか一項に記載の電気外科切開器具。
- 前記ケーブルが約0.127ミリメートルだけ前記外側細長シースから離されている、請求項1に記載の電気外科切開器具。
- 前記切開エレメントの前記遠位部が、前記トルクケーブルの前記遠位端から外側細長シースの長手方向中央軸線に実質的に沿って伸張するようになされた請求項1乃至7のいずれか一項に記載の
電気外科切開器具。 - 前記切開エレメントの前記遠位部はフック形状である、請求項1乃至8のいずれか一項に記載の電気外科切開器具。
- 前記切開エレメントの遠位部はS字形状である、請求項9に記載の電気外科切開器具。
- 前記切開エレメントの前記遠位部はその表面の少なくとも一部に沿って電気絶縁層材料をさらに備える、請求項1乃至10のいずれか一項に記載の電気外科切開器具。
- 前記トルクケーブルを屈曲中に安定させるため前記トルクケーブルに外挿され、前記外側細長シースに比べてより硬い材料を含む、シースをさらに備える、請求項1乃至11のいずれか一項に記載の電気外科切開器具。
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US13998008P | 2008-12-22 | 2008-12-22 | |
US61/139,980 | 2008-12-22 | ||
PCT/US2009/069259 WO2010075425A1 (en) | 2008-12-22 | 2009-12-22 | Electrosurgical rotating cutting device |
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JP2012513291A JP2012513291A (ja) | 2012-06-14 |
JP2012513291A5 JP2012513291A5 (ja) | 2013-02-14 |
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US (1) | US8518035B2 (ja) |
EP (1) | EP2389131B1 (ja) |
JP (1) | JP5572637B2 (ja) |
AU (1) | AU2009329999B2 (ja) |
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US20100160911A1 (en) | 2010-06-24 |
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