JP2016052601A - 高周波エネルギーを用いた閉塞した血管の再疎通 - Google Patents
高周波エネルギーを用いた閉塞した血管の再疎通 Download PDFInfo
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Abstract
【解決手段】慢性完全閉塞、特に治療が困難な慢性完全閉塞を治療するための方法およびシステムが開示されている。このアプローチでは、CTOの再疎通が順行性と逆行性を組み合わせたアプローチを用いて行われる。閉塞の近位端は、順行性ワイヤを用いて、従来のアプローチを利用して貫通する。側副血管を利用して、閉塞の遠位端を逆行性にクロスする。各部材を適当に操り、閉塞の近位端と遠位端の間に高周波エネルギーを加えることにより、連続したチャネルが形成される。
【選択図】図1
Description
本願は、2010年4月2日に出願され、発明の名称が「高周波エネルギーを用いた閉塞した血管の再疎通」である米国特許出願第12/753,844号の優先権を主張する。米国特許出願第12/753,844号は、2010年3月26に出願され、発明の名称が「高周波エネルギーを用いた閉塞した血管の再疎通」であり、米国特許法第371条によって国内段階へ移行した出願である米国特許出願第12/680,500号の一部継続出願である。米国特許出願第12/680,500号は、2008年9月23日に出願されたPCT特許出願PCT/US2008/077403号の優先権を主張している。PCT特許出願PCT/US2008/077403号は、2007年9月27日に出願された米国仮特許出願第60/975,473号の優先権の利益を主張する。米国特許出願第12/753,844号はまた、2010年1月26日に出願され、発明の名称が「高周波エネルギーを用いた閉塞した血管の再疎通」である米国仮特許出願第61/298,547号の優先権を主張する。
20 ピグテール
30 コネクター
100a 長手方向部材
100b 長手方向部材
105a 伝導性電極
110a 温度測定要素
115a 非伝導層
105b 電極
110b 温度測定要素
115b 非伝導層
200 ガイドワイヤ
210 電極
220 電気伝導性リボン
230 インシュレータ
330 電極領域
340 インシュレータ領域
400 長手方向部材
410 塞栓防止機構
500 長手方向部材
501 らせん状外面
502 溝
510 マーカー
520 電極
550 長手方向部材
551 ワイヤ
552 ワイヤ
555 ライナー
560 絶縁シース
570 マーカー
580 電極
610 第1長手方向部材
620 第2長手方向部材。
1110 バルーンカテーテル
1120 インフレータブルバルーン
1130 デリバリーカテーテル
1210 バルーンカテーテル
1211 収容溝
1220 インフレータブルバルーン
1230 デリバリーカテーテル
1231 せん状溝
1300 管腔
1310 コーティング
1320 遠位開口部
1330 細長い胴体
Claims (12)
- インフレータブルバルーン及びデリバリーカテーテルを備えるバルーンカテーテルであって、前記デリバリーカテーテルは、前記バルーンカテーテル内に配置され、前記インフレータブルバルーンが膨らむと、前記バルーンカテーテルの位置が実質的に固定され、かつ、前記デリバリーカテーテルは、前記バルーンカテーテルの位置を実質的に変えることなく、前記バルーンカテーテルを通って前進するように構成されている、バルーンカテーテルを備えることを特徴とするカテーテル位置決めシステム。
- 前記デリバリーカテーテルは、前記デリバリーカテーテルの外面に配置されたらせん状溝を備えていることを特徴とする請求項1に記載のシステム。
- 前記バルーンカテーテルは、前記バルーンカテーテルの前記らせん状溝を受け入れるように構成された収容溝を備えていることを特徴とする請求項2に記載のシステム。
- 前記収容溝は、前記デリバリーカテーテルの前記らせん状溝が、前記バルーンカテーテルの位置を実質的に変えることなく、前記バルーンカテーテル内で回転することができるように構成されることを特徴とする請求項3に記載のシステム。
- 前記デリバリーカテーテル内に配置された長手方向部材をさらに備えていることを特徴とする請求項1に記載のシステム。
- 前記長手方向部材は、インシュレータを備えていることを特徴とする請求項5に記載のシステム。
- 前記長手方向部材は、電極を備えていることを特徴とする請求項5に記載のシステム。
- 前記長手方向部材は、高周波ワイヤを備えていることを特徴とする請求項5に記載のシステム。
- 前記デリバリーカテーテルまたは前記バルーンカテーテルは、複数の管腔を備えていることを特徴とする請求項1に記載のシステム。
- 前記複数の管腔の1つまたは複数は、吸引管腔であることを特徴とする請求項9に記載のシステム。
- 前記複数の管腔は、少なくとも1つの流体送達を備えることを特徴とする請求項9に記載のシステム。
- 前記バルーンカテーテルまたは前記デリバリーカテーテルは耐熱先端部を備えることを特徴とする請求項1に記載のシステム。
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US12/753,844 US9283034B2 (en) | 2007-09-26 | 2010-04-02 | Recanalization system using radiofrequency energy |
US12/753,844 | 2010-04-02 |
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JP2015251629A Active JP6211576B2 (ja) | 2010-04-02 | 2015-12-24 | 高周波エネルギーを用いた閉塞した血管の再疎通 |
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US (4) | US9283034B2 (ja) |
EP (3) | EP3045137B1 (ja) |
JP (2) | JP5917487B2 (ja) |
KR (1) | KR101671333B1 (ja) |
CN (2) | CN103037795B (ja) |
CA (1) | CA2795256C (ja) |
WO (1) | WO2011123834A1 (ja) |
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US20160135881A1 (en) | 2016-05-19 |
CN103037795B (zh) | 2015-11-25 |
EP3045137A1 (en) | 2016-07-20 |
JP5917487B2 (ja) | 2016-05-18 |
US20130131513A1 (en) | 2013-05-23 |
US20100256616A1 (en) | 2010-10-07 |
KR101671333B1 (ko) | 2016-11-01 |
EP3354221A1 (en) | 2018-08-01 |
CA2795256A1 (en) | 2011-10-06 |
US9271787B2 (en) | 2016-03-01 |
CA2795256C (en) | 2017-10-03 |
EP2552336A1 (en) | 2013-02-06 |
CN105250022A (zh) | 2016-01-20 |
EP2552336A4 (en) | 2013-09-11 |
CN105250022B (zh) | 2018-10-19 |
EP2552336B1 (en) | 2016-02-10 |
WO2011123834A1 (en) | 2011-10-06 |
CN103037795A (zh) | 2013-04-10 |
EP3354221B1 (en) | 2021-05-26 |
JP2013523285A (ja) | 2013-06-17 |
US20200078088A1 (en) | 2020-03-12 |
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