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JP2018514302A5
JP2018514302A5 JP2017556584A JP2017556584A JP2018514302A5 JP 2018514302 A5 JP2018514302 A5 JP 2018514302A5 JP 2017556584 A JP2017556584 A JP 2017556584A JP 2017556584 A JP2017556584 A JP 2017556584A JP 2018514302 A5 JP2018514302 A5 JP 2018514302A5
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本発明の方法の特定の側面では、伸長シャフト内の内部通路と連通する負圧源が、切断された組織を伸長シャフト内の内部通路を通して作業端から抽出するように作動されてもよい。組織は、随意に、流体源から作業端に伸長シャフト内の流動チャネルを通して組織に送達され得る、液体中に浸漬されてもよい。代替として、組織は、組織を切除する間、ガス環境内に存在するように維持されてもよい。
本発明は、例えば、以下を提供する。
(項目1)
電気外科手術用デバイスであって、
軸およびその遠位部分内の窓を有する、伸長シャフトと、
前記窓の両側間の弧内で往復して回転振動するように構成される、ワイヤ状電極と、
前記ワイヤ状電極に動作可能に接続され、前記ワイヤ状電極を回転振動させ、前記窓内に受容された組織を切断する、モータと、
を備える、電気外科手術用デバイス。
(項目2)
前記遠位部分は、セラミック材料から成る、項目1に記載の電気外科手術用デバイス。
(項目3)
前記弧は、60 〜210 に及ぶ、項目1に記載の電気外科手術用デバイス。
(項目4)
前記弧は、90 〜180 に及ぶ、項目1に記載の電気外科手術用デバイス。
(項目5)
前記電極は、1サイクル/秒〜50サイクル/秒のレートにおける往復サイクルで回転振動される、項目1に記載の電気外科手術用デバイス。
(項目6)
前記デバイスは、電極振動レートの調節を可能にするように構成される、項目1に記載の電気外科手術用デバイス。
(項目7)
前記デバイスは、一方向では第1のレートで、別の方向では第2のレートで、回転振動するように構成される、項目1に記載の電気外科手術用デバイス。
(項目8)
前記電極に動作可能に結合されるRF源をさらに備える、項目1に記載の電気外科手術用デバイス。
(項目9)
前記伸長シャフト内の内部通路と連通する負圧源をさらに備える、項目8に記載の電気外科手術用デバイス。
(項目10)
モータ動作パラメータ、前記RF源、および前記負圧源を制御するように適合されるコントローラをさらに備える、項目9に記載の電気外科手術用デバイス。
(項目11)
前記コントローラは、(1)前記RF源および前記負圧源のうちの少なくとも1つからのフィードバック信号に応答したモータ動作パラメータと、(2)前記モータ動作パラメータおよび前記負圧源のうちの少なくとも1つからのフィードバック信号に応答したRFパラメータと、(3)前記モータ動作パラメータおよび前記RF源のうちの少なくとも1つからのフィードバック信号に応答した負圧パラメータとのうちの少なくとも1つを調節するように構成される、項目10に記載の電気外科手術用デバイス。
(項目12)
前記コントローラは、前記窓に対して選択された位置において回転を停止するように構成される、項目10に記載の電気外科手術用デバイス。
(項目13)
前記コントローラは、前記電極が停止位置にあるとき、凝固RFエネルギーを組織に送達するように構成される、項目12に記載の電気外科手術用デバイス。
(項目14)
前記電極は、各回転弧の終了時、前記窓の両側に当接する、項目1に記載の電気外科手術用デバイス。
(項目15)
前記電極は、各振動の終了時、剪断運動において前記窓の両側を越えて移動するように構成される、項目1に記載の電気外科手術用デバイス。
(項目16)
前記ワイヤ状電極を前記モータに動作可能に結合する回転可能駆動シャフトをさらに備え、前記シャフトは、衝撃吸収機構を含み、回転抵抗を吸収する、項目1に記載の電気外科手術用デバイス。
(項目17)
前記伸長シャフトは、引張ワイヤによって関節運動されるように構成される、項目1に記載の電気外科手術用デバイス。
(項目18)
前記ワイヤ状電極は、前記窓に対して軸方向に移動されるように構成される、項目1に記載の電気外科手術用デバイス。
(項目19)
前記ワイヤ状電極は、フック形状を有する、項目1に記載の電気外科手術用デバイス。
(項目20)
前記伸長シャフトは、流体に除去可能に接続され、流体を前記シャフトの遠位部分に送達するように構成される、チャネルを有する、項目1に記載の電気外科手術用デバイス。
(項目21)
電気外科手術用デバイスであって、
縦軸および窓をその中に伴うセラミック本体から成る遠位作業端を有する、伸長シャフトと、
モータによって駆動され、前記窓の両側間の弧内で往復して回転振動し、前記窓によって受容された組織を切断するように構成される、ワイヤ状電極と、
前記窓と連通する前記シャフト内の通路に結合される、負圧源と、
を備える、電気外科手術用デバイス。
(項目22)
前記窓は、前記縦軸に対して垂直または鋭角に面する、項目21に記載の電気外科手術用デバイス。
(項目23)
前記電極に動作可能に結合される高周波(RF)電流源(RF源)をさらに備える、項目21に記載の電気外科手術用デバイス。
(項目24)
前記伸長シャフトは、流体源に接続され、流体を前記作業端内の開放ポートを通して送達するように構成される、チャネルを有する、項目21に記載の電気外科手術用デバイス。
(項目25)
フィードバック信号に基づいて、モータ動作パラメータ、前記RF源、前記負圧源、および前記流体源のうちの少なくとも1つを制御するように適合されるコントローラをさらに備える、項目24に記載の電気外科手術用デバイス。
(項目26)
前記フィードバック信号は、前記モータ、前記RF源、前記負圧源、および前記流体源のうちの少なくとも1つからの動作パラメータを感知する前記コントローラによって提供される、項目24に記載の電気外科手術用デバイス。
(項目27)
前記コントローラは、(1)前記RF源および前記負圧源のうちの少なくとも1つからのフィードバック信号に応答したモータ動作パラメータと、(2)前記モータ動作パラメータおよび前記負圧源のうちの少なくとも1つからのフィードバック信号に応答したRFパラメータと、(3)前記モータ動作パラメータおよび前記RF源のうちの少なくとも1つからのフィードバック信号に応答した負圧パラメータとのうちの少なくとも1つを調節するように構成される、項目24に記載の電気外科手術用デバイス。
(項目28)
前記電極は、前記第1の位置と第2の位置との間で軸方向に平行移動するように構成される、項目20に記載の電気外科手術用デバイス。
(項目29)
組織を切除する方法であって、
窓を有する作業端および前記窓の両側間の弧内で往復して振動するように適合されるモータ駆動式電極を伴う、伸長シャフトを提供するステップと、
前記作業端を前記組織に対して位置付け、前記組織を前記窓と界面接触させるステップと、
前記モータおよびRF源を作動させ、前記窓と界面接触する組織を前記振動する電極を用いて切断するステップであって、前記切断された組織は、前記伸長シャフト内の内部に進入する、ステップと、
を含む、方法。
(項目30)
前記伸長シャフト内の内部通路と連通する負圧源を作動させ、切断された組織を前記伸長シャフト内の内部通路を通して前記作業端から抽出するステップをさらに含む、項目29に記載の方法。
(項目31)
前記組織を液体中に浸漬させるステップをさらに含む、項目29に記載の方法。
(項目32)
流体を流体源から前記作業端に前記伸長シャフト内の流動チャネルを通して前記組織に送達するステップをさらに含む、項目31に記載の方法。
(項目33)
前記組織は、前記組織を切除する間、ガス環境内に存在する、項目29に記載の方法。

Claims (15)

  1. 電気外科手術用デバイスであって、
    伸長シャフトであって、軸およびその遠位部分内の窓を有す伸長シャフトと、
    前記窓の両側間の弧内で往復して回転振動するように構成されワイヤ状電極と、
    前記窓内に受容された組織を切断するために前記ワイヤ状電極を回転振動させるように前記ワイヤ状電極に動作可能に接続されモータ
    を備える、電気外科手術用デバイス。
  2. 前記遠位部分は、セラミック材料を含む、請求項1に記載の電気外科手術用デバイス。
  3. 前記弧は、60〜210に及ぶ、請求項1または2に記載の電気外科手術用デバイス。
  4. 前記弧は、90〜180に及ぶ、請求項に記載の電気外科手術用デバイス。
  5. 前記電極は、1サイクル/秒〜50サイクル/秒のレートにおける往復サイクルで回転振動される、請求項1〜4のいずれか一項に記載の電気外科手術用デバイス。
  6. 前記デバイスは、電極振動レートの調節を可能にするように構成される、請求項1〜5のいずれか一項に記載の電気外科手術用デバイス。
  7. 前記デバイスは、一方向では第1のレートで、別の方向では第2のレートで、回転振動するように構成される、請求項1〜6のいずれか一項に記載の電気外科手術用デバイス。
  8. 前記電極に動作可能に結合されRF源と、前記伸長シャフト内の内部通路と連通するように構成された負圧源とを含むコントローラをさらに備える、請求項1〜7のいずれか一項に記載の電気外科手術用デバイス。
  9. 前記コントローラは、(1)前記RF源および前記負圧源のうちの少なくとも1つからのフィードバック信号に応答したモータ動作パラメータと、(2)前記モータ動作パラメータおよび前記負圧源のうちの少なくとも1つからのフィードバック信号に応答したRFパラメータと、(3)前記モータ動作パラメータおよび前記RF源のうちの少なくとも1つからのフィードバック信号に応答した負圧パラメータとのうちの少なくとも1つを調節するようにさらに構成され、前記コントローラは、前記窓に対して選択された位置において回転を停止するように構成され、前記コントローラは、前記電極が停止位置にあるとき、凝固RFエネルギーを組織に送達するように構成される、請求項に記載の電気外科手術用デバイス。
  10. 前記電極は、各回転弧の終了時、前記窓の両側に当接する、または、前記電極は、各振動の終了時、剪断運動において前記窓の両側を越えて移動するように構成される、請求項1〜9のいずれか一項に記載の電気外科手術用デバイス。
  11. 前記ワイヤ状電極を前記モータに動作可能に結合する回転可能駆動シャフトをさらに備え、前記シャフトは、回転抵抗を吸収する衝撃吸収機構を含、請求項1〜10のいずれか一項に記載の電気外科手術用デバイス。
  12. 前記伸長シャフトは、引張ワイヤによって関節運動されるように構成される、請求項1〜11のいずれか一項に記載の電気外科手術用デバイス。
  13. 前記ワイヤ状電極は、前記窓に対して軸方向に移動されるように構成される、請求項1に記載の電気外科手術用デバイス。
  14. 前記ワイヤ状電極は、フック形状を有する、請求項1に記載の電気外科手術用デバイス。
  15. 前記伸長シャフトは、流体に除去可能に接続され、流体を前記シャフトの遠位部分に送達するように構成されチャネルを有する、請求項1に記載の電気外科手術用デバイス。
JP2017556584A 2015-04-29 2016-04-01 医療用アブレーションデバイスおよび使用方法 Active JP6814746B2 (ja)

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US201562154595P 2015-04-29 2015-04-29
US62/154,595 2015-04-29
PCT/US2016/025509 WO2016175980A1 (en) 2015-04-29 2016-04-01 Medical ablation device and method of use

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