JP2017148519A - 子宮筋腫の電気手術アブレーションシステムおよび動作方法 - Google Patents
子宮筋腫の電気手術アブレーションシステムおよび動作方法 Download PDFInfo
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Abstract
【解決手段】双極アブレーションを実行する少なくとも2つの電極を含むプローブ300を使用する。プローブは、楕円体筋腫50の主軸線方向に沿って筋腫内に進入するよう子宮筋腫の中に挿入される。この方向へプローブを挿入することにより、一回のプローブの貫通により筋腫のアブレーションが容易になる。アブレーション領域は、筋腫の楕円体形状とアライメントされた楕円体形状を有する体積で進行する傾向があるからである。また、手術によって残される任意の瘢痕は、子宮壁14に平行な方向に伸長する傾向があり、したがって、伝搬しにくく、妊娠中に子宮壁の破裂を生じさせない。
【選択図】図2
Description
Claims (12)
- 子宮筋腫の電気手術アブレーションシステムであって、
(i)組織を突き通すように構成された鋭利な遠位ティップ(204)と、(ii)中空内部と、(iii)前記遠位ティップ(204)に近接した側面を向いた出口(220)と、(iv)前記出口(220)に近接するガイド部材を有するカテーテル(200)であって、前記ガイド部材の少なくとも一部は、前記カテーテル(200)の前記中空内部の中に配置されている、カテーテルと、
前記カテーテル(200)の前記中空内部の中に移動可能に配置されたフレキシブルなプローブ(300)であって、前記カテーテル(200)の前記出口(220)が子宮筋腫(50)の近くに置かれたとき、前記子宮筋腫(50)に進入するべく、前記出口(220)を通じて前記カテーテル(200)の外へ伸長可能な遠位端(304)を有し、前記プローブ(300)の前記遠位端(304)は、フレキシブルであり、かつ、双極アブレーションを実行する少なくとも2つの電極(320、330)を有する、プローブと
を備え、
前記プローブ(300)が前記カテーテル(200)を通って進むとき、前記プローブ(300)の前記遠位端(304)が、前記カテーテル(200)に対して予め定められた角度で前記出口(220)から進出するように、前記ガイド部材は前記プローブ(300)の前記遠位端(304)を偏向させ、
前記プローブ(300)は、前記遠位端(304)の近傍において、外側フレキシブルチューブ(310)および、前記外側フレキシブルチューブ(310)上で互いに分離され、かつ、互いに関して移動可能に連係した複数のセグメントを構成する少なくとも一対の電極(320、330)を有する、
ことを特徴とするシステム。 - 前記プローブ(300)は、前記カテーテル(200)の前記中空内部の中に完全に収容されるように、前記出口(220)を通じて回収可能である、ことを特徴とする請求項1に記載のシステム。
- 前記予め定められた角度は、略直角である、ことを特徴とする請求項1または2に記載のシステム。
- 前記プローブ(300)の前記遠位端(304)が前記出口(220)を通じて進出するところで、前記ガイド部材は、前記予め定められた角度を調節可能である、ことを特徴とする請求項1から3のいずれか一項に記載のシステム。
- 前記ガイド部材は、枢動プレート(240)である、ことを特徴とする請求項4に記載のシステム。
- 前記枢動プレート(240)は、前記カテーテル(200)の前記中空内部の中に完全に収容されている、ことを特徴とする請求項5に記載のシステム。
- 前記ガイド部材は、前記プローブ(300)の遠位端(304)が前記出口(220)から進出するところで、角度をつける遠位端を有するブレース(250)である、ことを特徴とする請求項1から4のいずれか一項に記載のシステム。
- 前記ブレースは、前記カテーテル(200)の前記中空内部の中で移動可能であり、前記ブレースの前記遠位端は、前記プローブ(300)の前記遠位端(304)が前記出口(220)を通じて進出するところで、前記予め定められた角度を調節するべく、前記出口(220)を通じて前記カテーテル(200)の外側に伸長可能である、ことを特徴とする請求項7に記載のシステム。
- 前記ブレース(250)は、前記カテーテル(200)の中空内部の中に完全に収容されるよう、前記出口(220)を通じて回収可能である、ことを特徴とする請求項8に記載のシステム。
- 前記プローブ(300)は、前記プローブ(300)の遠位端(304)へ冷媒を供給するための中央の冷媒供給チューブ(340)を有する、ことを特徴とする請求項1から9のいずれか一項に記載のシステム。
- 子宮筋腫の電気手術アブレーションシステムであって、
(i)組織を突き通すように構成された鋭利な遠位ティップ(204)と、(ii)中空内部と、(iii)前記遠位ティップ(204)に近接した側面を向いた出口(220)と、(iv)前記出口(220)に近接するガイド部材とを有するカテーテル(200)であって、前記ガイド部材の少なくとも一部は、前記カテーテル(200)の前記中空内部の中に配置されている、カテーテルと、
前記カテーテル(200)の前記中空内部の中に移動可能に配置されたフレキシブルなプローブ(300)であって、前記カテーテル(200)の前記出口(220)が子宮筋腫(50)の近くに置かれたとき、前記子宮筋腫(50)に進入するべく、前記出口(220)を通じて前記カテーテル(200)の外へ伸長可能な遠位端(304)を有し、前記プローブ(300)の前記遠位端(304)は、前記カテーテル(200)の前記中空内部の中に完全に収容されるよう、前記出口(220)を通じて回収可能であり、前記プローブ(300)の前記遠位端(304)はフレキシブルであり、かつ、双極アブレーションを実行する少なくとも2つの電極(320、330)を有する、プローブと
を備え、
前記プローブ(300)が前記カテーテル(200)を通って進むとき、前記プローブ(300)の前記遠位端(304)が、前記カテーテル(200)に対して予め定められた角度で前記出口(220)から進出するように、前記ガイド部材は前記プローブ(300)の前記遠位端(304)を偏向させ、
前記ガイド部材は、前記プローブ(300)の前記遠位端(304)が前記出口(220)から進出するところで、前記予め定められた角度を調節可能であり、
前記プローブ(300)は、前記遠位端(304)の近傍において、外側フレキシブルチューブ(310)および、前記外側フレキシブルチューブ(310)上で互いに分離され、かつ、互いに関して移動可能に連係した複数のセグメントを構成する少なくとも一対の電極(320、330)を有する、
ことを特徴とするシステム。 - 前記ガイド部材は、前記カテーテル(200)の前記中空内部に完全に収容されるように、前記出口(220)を通じて回収可能である、ことを特徴とする請求項11に記載のシステム。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/041,641 US9198719B2 (en) | 2013-09-30 | 2013-09-30 | Electrosurgical fibroid ablation system and method |
| US14/041,641 | 2013-09-30 |
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| JP2017056189A Expired - Fee Related JP6429922B2 (ja) | 2013-09-30 | 2017-03-22 | 子宮筋腫の電気手術アブレーションシステムおよび動作方法 |
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- 2013-09-30 US US14/041,641 patent/US9198719B2/en not_active Expired - Fee Related
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2014
- 2014-05-29 WO PCT/US2014/039915 patent/WO2015047459A1/en not_active Ceased
- 2014-05-29 CN CN201480053916.1A patent/CN105682595B/zh not_active Expired - Fee Related
- 2014-05-29 EP EP14737066.2A patent/EP3052038B1/en not_active Not-in-force
- 2014-05-29 JP JP2016516050A patent/JP6117435B2/ja not_active Expired - Fee Related
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2017
- 2017-03-22 JP JP2017056189A patent/JP6429922B2/ja not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS53114182U (ja) * | 1977-02-18 | 1978-09-11 | ||
| JPH07503645A (ja) * | 1992-08-12 | 1995-04-20 | ヴィダメッド・インコーポレーテッド | 医療用プローブ装置 |
Also Published As
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|---|---|
| JP6117435B2 (ja) | 2017-04-19 |
| US9198719B2 (en) | 2015-12-01 |
| EP3052038B1 (en) | 2017-03-22 |
| JP2016528939A (ja) | 2016-09-23 |
| CN105682595B (zh) | 2018-05-08 |
| CN105682595A (zh) | 2016-06-15 |
| JP6429922B2 (ja) | 2018-11-28 |
| US20150094712A1 (en) | 2015-04-02 |
| EP3052038A1 (en) | 2016-08-10 |
| WO2015047459A1 (en) | 2015-04-02 |
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