JP2014180582A - マイクロ波エネルギー送達装置及びシステム - Google Patents
マイクロ波エネルギー送達装置及びシステム Download PDFInfo
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Abstract
【解決手段】ケーブルアセンブリ15を含むマイクロ波アブレーション装置であって、ケーブルアセンブリは、マイクロ波アブレーション装置を、エネルギー源と、ケーブルアセンブリに電気的に連通する給電路14とに接続するよう構成されている。このマイクロ波アブレーション装置は、給電路の外部導体上にバラン90を、このバラン上に、バランの温度を検知する温度センサとを更に含む。
【選択図】図1
Description
Claims (28)
- マイクロ波アブレーション装置をエネルギー源に接続するよう構成されたケーブルアセンブリと、
前記ケーブルアセンブリに電気的に連通する給電路と、
前記給電路の外部導体上に配置されたバランと、
前記バラン上に配置され、前記バランの温度を検知する温度センサと、
を備えるマイクロ波アブレーション装置。 - 前記バランが、前記バランを前記外部導体に電気的に接続するバラン短絡部を含む、請求項1に記載の前記マイクロ波アブレーション装置。
- 前記温度センサが前記バラン短絡部と物理的に接触している、請求項2に記載のマイクロ波アブレーション装置。
- 前記バランが前記バラン短絡部と接触している誘電体を含む、請求項2に記載のマイクロ波アブレーション装置。
- 前記バラン短絡部と誘電体とが熱収縮材によって前記給電路の適所に固定されている、請求項4に記載のマイクロ波アブレーション装置。
- 前記熱収縮材と前記バランとの間に配置された導電インクを更に備える、請求項4に記載のマイクロ波アブレーション装置。
- 前記誘電体の一部が、前記熱収縮材の最も先端の部分を超えて先端に延びる、請求項5に記載のマイクロ波アブレーション装置。
- 前記温度センサが、前記熱収縮材によって前記バラン短絡部と接触するように保持されている、請求項5に記載のマイクロ波アブレーション装置。
- 前記温度センサのワイヤが、第2の熱収縮材によって前記給電路に固定されている、請求項8に記載のマイクロ波アブレーション装置。
- 内側管状部材及び外側管状部材を更に備え、前記給電路、前記内側管状部材、及び前記外側管状部材が円柱状に配置されている、請求項1に記載のマイクロ波アブレーション装置。
- 前記給電路と前記内側管状部材との間、及び前記内側管状部材と前記外側管状部材との間に、前記アブレーション装置を通って流体が流れることを可能にするための間隙を更に備える、請求項10に記載のマイクロ波アブレーション装置。
- 前記給電路に接続された先端の放射部であって、その一部が前記内側管状部材を超えて延びる放射部を更に備える、請求項10に記載のマイクロ波アブレーション装置。
- 前記内側管状部材の基端部が流体出口に接続し、前記外側管状部材の基端部が流体入口に接続し、通電されると流体が前記アブレーション装置を流れ冷却する、請求項11に記載のマイクロ波アブレーション装置。
- 前記流体入口と流体連通した第1チャンバと、前記流体出口と流体連通した第2チャンバとを備えるハブを更に備える、請求項13に記載のマイクロ波アブレーション装置。
- 前記第1チャンバ及び第2チャンバがハブ分割器によって分割されている、請求項14に記載のマイクロ波アブレーション装置。
- 前記内側管状部材が前記ハブ分割器によって前記ハブの中で固定されている、請求項15に記載のマイクロ波アブレーション装置。
- 前記ハブ分割器が弾性材料で形成され、前記内側管状部材の前記基端部分、すなわち前記内側管状部材の先端部分よりも大きい径を有する前記基端部分に、前記ハブ分割器を固定する実質上の金属性剛体リングを更に備えている、請求項16に記載のマイクロ波アブレーション装置。
- 前記ハブと、前記内側管状部材及び前記外側管状部材と、前記給電路と、前記遷移部とが、ハンドル本体の中に固定されており、それらの配列が1つ以上の位置合わせピンによって維持されている、請求項14に記載のマイクロ波アブレーション装置。
- マイクロ波給電路及び冷却アセンブリの一部を流体的に取り囲むハンドルアセンブリと、
前記ハンドルアセンブリから延び、前記給電路の先端部分と前記冷却アセンブリの先端部分、すなわち、放射部で終わる前記給電路の前記先端部分と、前記放射部を冷却するよう構成された前記冷却アセンブリの前記先端部分とを取り囲む管状部材と、
前記ハンドルアセンブリに接続され、前記給電路の基端部分を取り囲む柔軟なケーブルアセンブリであって、前記給電路を電力源に接続するよう構成された前記柔軟なケーブルアセンブリと、
前記ケーブルアセンブリと関連し、前記管状部材の先端放射端部を取り囲む組織の温度プロファイルを検知するよう構成された温度検知システムと、
を備えるマイクロ波アブレーション装置。 - 前記給電路の前記先端部分に位置し、前記給電路の前記先端部分の温度を検知する、少なくとも1つの温度センサを更に備える、請求項19に記載のマイクロ波アブレーション装置。
- 前記管状部材と隣接する組織の温度を検知する少なくとも1つの温度センサを前記管状部材上に更に備える、請求項19に記載のマイクロ波アブレーション装置。
- 前記管状部材と隣接する組織の温度を検知する複数の温度センサが前記管状部材に沿った点に位置している、請求項21に記載のマイクロ波アブレーション装置。
- 前記温度検知システムが前記温度センサの各々から温度データを受信する、請求項22に記載のマイクロ波アブレーション装置。
- 前記エネルギー源の作動を制御するため、前記温度データが前記エネルギー源にフィードバックを行う、請求項23に記載のマイクロ波アブレーション装置。
- 前記組織に十分なエネルギーが印加されたか否かを判定するため、前記温度検知システムが前記受信温度データをメモリに蓄積された温度プロファイルと比較する、請求項23に記載のマイクロ波アブレーション装置。
- 前記温度検知システムが、前記受信温度データと、エネルギー印加の継続時間と、前記エネルギー源の電力設定とに関連する放射パターンをメモリに蓄積する、請求項25に記載のマイクロ波アブレーション装置。
- 検知された温度の1つが閾値を超えると、前記エネルギー源がエネルギー印加を中止する、請求項21に記載のマイクロ波アブレーション装置。
- 前記温度センサが、前記冷却アセンブリの流体冷却剤の温度を検出する、請求項20に記載のマイクロ波アブレーション装置。
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