JP6320978B2 - 高周波バルーンカテーテルシステム - Google Patents
高周波バルーンカテーテルシステム Download PDFInfo
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- JP6320978B2 JP6320978B2 JP2015190313A JP2015190313A JP6320978B2 JP 6320978 B2 JP6320978 B2 JP 6320978B2 JP 2015190313 A JP2015190313 A JP 2015190313A JP 2015190313 A JP2015190313 A JP 2015190313A JP 6320978 B2 JP6320978 B2 JP 6320978B2
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00029—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids open
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
- A61B2018/0022—Balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1435—Spiral
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Description
2 外筒シャフト(外筒)
3 内筒シャフト(内筒)
6 バルーン
6A 前方ネック
7 送液路
8 逆止弁
9 小孔
11 高周波通電用電極
12 温度センサー
15a,15b 電極
29 輸液ポンプ(液流ポンプ)
41 高周波発生器(温度測定器)
42 通電線
43 通電線
63 圧力計(圧力測定器)
65 通電線
66 通電線
68 通電線
Claims (8)
- カテーテルシャフトは内筒と外筒とで構成され、
前記内筒先端と前記外筒先端との間に収縮拡張する弾性バルーンが設置され、
前記バルーンの前方ネックは前記内筒に被さり、その遠位部は前記内筒に固定され、その近位部と前記内筒は両者相接して逆止弁を形成し、
前記逆止弁の弁座となる前記内筒部分には貫壁性の小孔が穿たれ、
前記バルーン内には高周波通電用電極が設置され、
前記高周波通電用電極は、前記カテーテルシャフト内の通電線にて高周波発生器に接続され、
前記外筒と前記内筒により形成され前記バルーン内部に連絡する送液路には、冷却液を送る液流ポンプが接続され、
前記内筒内にはガイドワイアーが挿入可能である構成としたことを特徴とする高周波バルーンカテーテルシステム。 - カテーテルシャフトは内筒と外筒とで構成され、
前記内筒先端と前記外筒先端との間に収縮拡張する弾性バルーンが設置され、
前記バルーンの前方ネックは前記内筒に固定され、
前記バルーン内にある前記内筒の遠位部には小孔が開口し、
前記内筒内には弾性物質で表面をコーチングされたガイドワイアーが挿入され、
前記小孔と前記ガイドワイアーは相接して逆止弁を形成し、
前記バルーン内には高周波通電用電極が設置され、
前記高周波通電用電極は、前記カテーテルシャフト内の通電線にて高周波発生器に接続され、
前記外筒と前記内筒により形成され前記バルーン内部に連絡する送液路には、冷却液を送る液流ポンプが接続される構成としたことを特徴とする高周波バルーンカテーテルシステム。 - 前記小孔の数を1〜10個としたことを特徴とする請求項1または2記載の高周波バルーンカテーテルシステム。
- 前記ガイドワイアーの先端部はテーパー状で、前記内筒のルーメンに適合していることを特徴とする請求項1または2記載の高周波バルーンカテーテルシステム。
- 前記内筒先端に灌流液の温度を計測する温度センサーが付属していることを特徴とする請求項1または2記載の高周波バルーンカテーテルシステム。
- 前記バルーン内には温度センサーや圧力センサーが設置されていて、通電線により温度測定器や圧力測定器に接続されることを特徴とする請求項1または2記載の高周波バルーンカテーテルシステム。
- 前記バルーンの前後の前記カテーテルシャフト上には電極が設置されていて、通電線を介してインピーダンス測定器に接続されることを特徴とする請求項1または2記載の高周波バルーンカテーテルシステム。
- 前記バルーンの膜は導電性膜あるいは多孔性膜により形成されていることを特徴とする請求項1または2記載の高周波バルーンカテーテルシステム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015190313A JP6320978B2 (ja) | 2015-09-28 | 2015-09-28 | 高周波バルーンカテーテルシステム |
US15/276,261 US20170086907A1 (en) | 2015-09-28 | 2016-09-26 | Radiofrequency balloon catheter system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015190313A JP6320978B2 (ja) | 2015-09-28 | 2015-09-28 | 高周波バルーンカテーテルシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017063869A JP2017063869A (ja) | 2017-04-06 |
JP6320978B2 true JP6320978B2 (ja) | 2018-05-09 |
Family
ID=58406391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015190313A Active JP6320978B2 (ja) | 2015-09-28 | 2015-09-28 | 高周波バルーンカテーテルシステム |
Country Status (2)
Country | Link |
---|---|
US (1) | US20170086907A1 (ja) |
JP (1) | JP6320978B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104254366B (zh) | 2011-12-09 | 2017-03-08 | 麦特文申公司 | 用于神经调节的设备、***和方法 |
CA2913346A1 (en) | 2013-06-05 | 2014-12-11 | Metavention, Inc. | Modulation of targeted nerve fibers |
US10524859B2 (en) | 2016-06-07 | 2020-01-07 | Metavention, Inc. | Therapeutic tissue modulation devices and methods |
CN111936060A (zh) * | 2018-03-29 | 2020-11-13 | 朝日英达科株式会社 | 导管以及再开通导管*** |
US11918277B2 (en) * | 2018-07-16 | 2024-03-05 | Thermedical, Inc. | Inferred maximum temperature monitoring for irrigated ablation therapy |
CN110115798A (zh) * | 2019-06-06 | 2019-08-13 | 山前(珠海)医疗科技有限公司 | 球囊导管 |
CN112641501B (zh) * | 2020-12-09 | 2021-10-26 | 杭州堃博生物科技有限公司 | 注射泵灌注控制方法、装置、***及计算机可读存储介质 |
US11918282B2 (en) * | 2020-04-17 | 2024-03-05 | Biosense Webster (Israel) Ltd. | Pressure relief feature for irrigated RF balloon catheter |
CN112790858B (zh) * | 2020-12-31 | 2021-11-09 | 杭州堃博生物科技有限公司 | 消融参数配置方法、装置、***及计算机可读存储介质 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0346725Y2 (ja) * | 1986-05-19 | 1991-10-03 | ||
US5419340A (en) * | 1993-10-27 | 1995-05-30 | Stevens; Robert C. | Guidable catheter assembly using coated deflector wire and method of using same |
US6458096B1 (en) * | 1996-04-01 | 2002-10-01 | Medtronic, Inc. | Catheter with autoinflating, autoregulating balloon |
US6500174B1 (en) * | 1997-07-08 | 2002-12-31 | Atrionix, Inc. | Circumferential ablation device assembly and methods of use and manufacture providing an ablative circumferential band along an expandable member |
US20030163118A1 (en) * | 2000-05-23 | 2003-08-28 | Hamilton Rasean L. | Catheter having a tapered distal tip and method of making |
JP2002078809A (ja) * | 2000-09-07 | 2002-03-19 | Shutaro Satake | 肺静脈電気的隔離用バルーンカテーテル |
JP3607231B2 (ja) * | 2001-09-28 | 2005-01-05 | 有限会社日本エレクテル | 高周波加温バルーンカテーテル |
KR20060115900A (ko) * | 2004-01-06 | 2006-11-10 | 도레이 가부시끼가이샤 | 발룬 카테테르 |
US7537580B2 (en) * | 2004-06-23 | 2009-05-26 | Boston Scientific Scimed, Inc. | Intravascular dilatation infusion catheter |
US20060224115A1 (en) * | 2005-03-30 | 2006-10-05 | Boston Scientific Scimed, Inc. | Balloon catheter with expandable wire lumen |
US8226637B2 (en) * | 2005-11-01 | 2012-07-24 | Japan Electel, Inc. | Balloon catheter system |
JP4226040B2 (ja) * | 2007-01-12 | 2009-02-18 | 有限会社日本エレクテル | 高周波加温バルーンカテーテルシステム |
US20120130458A1 (en) * | 2010-10-26 | 2012-05-24 | Medtronic Ardian Luxembourg S.A.R.L. | Neuromodulation cryotherapeutic devices and associated systems and methods |
US20180036071A1 (en) * | 2015-04-30 | 2018-02-08 | Japan Electel Inc. | Radiofrequency balloon catheter system |
-
2015
- 2015-09-28 JP JP2015190313A patent/JP6320978B2/ja active Active
-
2016
- 2016-09-26 US US15/276,261 patent/US20170086907A1/en not_active Abandoned
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Publication number | Publication date |
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JP2017063869A (ja) | 2017-04-06 |
US20170086907A1 (en) | 2017-03-30 |
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