JP4649506B2 - 高周波加温バルーンカテーテル - Google Patents
高周波加温バルーンカテーテル Download PDFInfo
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- JP4649506B2 JP4649506B2 JP2008236984A JP2008236984A JP4649506B2 JP 4649506 B2 JP4649506 B2 JP 4649506B2 JP 2008236984 A JP2008236984 A JP 2008236984A JP 2008236984 A JP2008236984 A JP 2008236984A JP 4649506 B2 JP4649506 B2 JP 4649506B2
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- balloon
- frequency
- potential
- intracardiac
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- 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
- A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
- A61B18/10—Power sources therefor
-
- 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
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- 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
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- 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
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- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
- A61B2018/00369—Heart valves
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- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
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- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00666—Sensing and controlling the application of energy using a threshold value
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00702—Power or energy
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
- A61B2018/00821—Temperature measured by a thermocouple
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00898—Alarms or notifications created in response to an abnormal condition
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3966—Radiopaque markers visible in an X-ray image
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
2 外筒シャフト
3 内筒シャフト
6 バルーン
7 コイル状電極(高周波通電用電極)
9 高周波発生器
12 振動波発生装置
13 振動波伝導切替えスイッチ
15a、15b 心内電位検出用電極
17 心内電位記録計
18 ガイドシース
20 熱電対(温度センサー)
Claims (9)
- 拡張した僧帽弁輪に隣接する左心房壁とその周囲組織を、左心房側と冠状静脈洞より焼灼して瘢痕収縮させることにより、僧帽弁輪を縮小して僧帽弁閉鎖不全を治療するために用いられる高周波加温バルーンカテーテルであって、互いにスライド可能な外筒シャフトと内筒シャフトから構成されたカテーテルシャフトと、前記外筒シャフトの先端部と前記内筒シャフトの先端部近傍との間に設けられたバルーンと、前記外筒シャフトと前記内筒シャフトとの間に形成され前記バルーンの内部に通じる送液路と、前記バルーンの内部に設けられ前記バルーンの内部を加熱するために高周波が通電される高周波通電用電極と、振動波を発生させる振動波発生装置と、前記バルーン内の中心温度を検出する温度センサーと、前記高周波通電用電極に高周波電力を供給する高周波発生器と、僧帽弁輪に対する前記バルーンの位置関係の把握に用いられる心内電位を検出する心内電位検出用電極と、前記心内電位検出用電極により検出された心内電位を記録する心内電位記録計とを備え、前記心内電位検出用電極は、前記内筒シャフトの先端部に設けられたことを特徴とする高周波加温バルーンカテーテル。
- 前記振動波発生装置は、前記送液路への振動波の伝導と遮断とを切替える振動波伝導切替えスイッチを備えたことを特徴とする請求項1記載の高周波加温バルーンカテーテル。
- 前記高周波発生器は、前記バルーン内の中心温度を設定値に保つように構成されるとともに前記バルーンと生体組織の接触面が減少し高周波電力の出力が大きく上昇するときに前記バルーン内の中心温度の設定値を下げるフィードバック回路を備えたことを特徴とする請求項1記載の高周波加温バルーンカテーテル。
- 前記高周波発生器は、高周波電力の出力を最高にしても前記バルーン内の中心温度が60℃に達しないときに高周波電力の供給を停止させるリレー回路を備えたことを特徴とする請求項1記載の高周波加温バルーンカテーテル。
- 前記心内電位記録計は、前記心内電位検出用電極により検出された心室電位と心房電位の波高に基づき、心室電位が心房電位よりも高いときに警報音を発し或いは前記高周波通電用電極への高周波電力の供給を停止させる安全装置を備えたことを特徴とする請求項1記載の高周波加温バルーンカテーテル。
- 前記心内電位検出用電極は、レントゲン不透過性の材料から形成されたことを特徴とする請求項1記載の高周波加温バルーンカテーテル。
- 前記バルーンは、略球状或いは紡錘形状に形成され中央部の膜厚が20〜50μm、基部の膜圧が50μm以上であることを特徴とする請求項1記載の高周波加温バルーンカテーテル。
- 前記心内電位検出用電極は、鉄製であることを特徴とする請求項1記載の高周波加温バルーンカテーテル。
- 先端部に心内電位検出用電極を備えるとともに自在に屈曲可能に構成されたガイドシースを備え、前記カテーテルシャフトと前記バルーンは、前記ガイドシースの内部へ押入可能に構成されたことを特徴とする請求項1記載の高周波加温バルーンカテーテル。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008236984A JP4649506B2 (ja) | 2008-09-16 | 2008-09-16 | 高周波加温バルーンカテーテル |
US12/269,835 US20100069836A1 (en) | 2008-09-16 | 2008-11-12 | Radiofrequency hot balloon catheter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008236984A JP4649506B2 (ja) | 2008-09-16 | 2008-09-16 | 高周波加温バルーンカテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010068866A JP2010068866A (ja) | 2010-04-02 |
JP4649506B2 true JP4649506B2 (ja) | 2011-03-09 |
Family
ID=42007847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008236984A Active JP4649506B2 (ja) | 2008-09-16 | 2008-09-16 | 高周波加温バルーンカテーテル |
Country Status (2)
Country | Link |
---|---|
US (1) | US20100069836A1 (ja) |
JP (1) | JP4649506B2 (ja) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007527742A (ja) | 2004-02-03 | 2007-10-04 | アトリア メディカル インク | 生体内の圧力を制御するための装置および方法 |
WO2007083288A2 (en) | 2006-01-23 | 2007-07-26 | Atria Medical Inc. | Heart anchor device |
WO2007140278A2 (en) * | 2006-05-24 | 2007-12-06 | Rush University Medical Center | High temperature thermal therapy of breast cancer |
US20210161637A1 (en) | 2009-05-04 | 2021-06-03 | V-Wave Ltd. | Shunt for redistributing atrial blood volume |
WO2011091275A1 (en) * | 2010-01-23 | 2011-07-28 | Duke University | Jetless intravenous catheters and mechanical assist devices for hand-injection of contrast media during dynamic computer tomography and methods of using same |
JP5853426B2 (ja) * | 2011-06-08 | 2016-02-09 | 東レ株式会社 | バルーン付きアブレーションカテーテル |
US11135054B2 (en) | 2011-07-28 | 2021-10-05 | V-Wave Ltd. | Interatrial shunts having biodegradable material, and methods of making and using same |
CN105555204B (zh) | 2013-05-21 | 2018-07-10 | V-波有限责任公司 | 用于递送减小左房压力的装置的设备 |
US10940296B2 (en) | 2015-05-07 | 2021-03-09 | The Medical Research, Infrastructure and Health Services Fund of the Tel Aviv Medical Center | Temporary interatrial shunts |
US10835394B2 (en) | 2016-05-31 | 2020-11-17 | V-Wave, Ltd. | Systems and methods for making encapsulated hourglass shaped stents |
US20170340460A1 (en) | 2016-05-31 | 2017-11-30 | V-Wave Ltd. | Systems and methods for making encapsulated hourglass shaped stents |
US11400205B2 (en) | 2016-11-23 | 2022-08-02 | Biosense Webster (Israel) Ltd. | Balloon-in-balloon irrigation balloon catheter |
US20180228393A1 (en) * | 2017-02-15 | 2018-08-16 | Biosense Webster (Israel) Ltd. | Electrophysiologic device construction |
US11291807B2 (en) | 2017-03-03 | 2022-04-05 | V-Wave Ltd. | Asymmetric shunt for redistributing atrial blood volume |
EP3589238A1 (en) | 2017-03-03 | 2020-01-08 | V-Wave Ltd. | Shunt for redistributing atrial blood volume |
US10898698B1 (en) | 2020-05-04 | 2021-01-26 | V-Wave Ltd. | Devices with dimensions that can be reduced and increased in vivo, and methods of making and using the same |
US11458287B2 (en) | 2018-01-20 | 2022-10-04 | V-Wave Ltd. | Devices with dimensions that can be reduced and increased in vivo, and methods of making and using the same |
WO2019142152A1 (en) | 2018-01-20 | 2019-07-25 | V-Wave Ltd. | Devices and methods for providing passage between heart chambers |
US11612385B2 (en) | 2019-04-03 | 2023-03-28 | V-Wave Ltd. | Systems and methods for delivering implantable devices across an atrial septum |
WO2020234751A1 (en) | 2019-05-20 | 2020-11-26 | V-Wave Ltd. | Systems and methods for creating an interatrial shunt |
USD968421S1 (en) | 2019-05-31 | 2022-11-01 | Biosense Webster (Israel) Ltd. | Display screen with a graphical user interface |
USD969138S1 (en) | 2019-05-31 | 2022-11-08 | Biosense Webster (Israel) Ltd. | Display screen with a graphical user interface |
USD968422S1 (en) | 2019-05-31 | 2022-11-01 | Biosense Webster (Israel) Ltd. | Display screen with transitional graphical user interface |
CN111329575B (zh) * | 2020-03-04 | 2021-10-26 | 上海微创电生理医疗科技股份有限公司 | 冷冻球囊导管系统 |
CN116322545A (zh) | 2020-09-29 | 2023-06-23 | 泰尔茂株式会社 | 医疗设备及其控制方法 |
US11974803B2 (en) | 2020-10-12 | 2024-05-07 | Biosense Webster (Israel) Ltd. | Basket catheter with balloon |
US11234702B1 (en) | 2020-11-13 | 2022-02-01 | V-Wave Ltd. | Interatrial shunt having physiologic sensor |
US11957852B2 (en) | 2021-01-14 | 2024-04-16 | Biosense Webster (Israel) Ltd. | Intravascular balloon with slidable central irrigation tube |
WO2023199267A1 (en) | 2022-04-14 | 2023-10-19 | V-Wave Ltd. | Interatrial shunt with expanded neck region |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003503103A (ja) * | 1999-06-25 | 2003-01-28 | バヒド サーダット, | 組織を処置するための装置および方法 |
JP2008167958A (ja) * | 2007-01-12 | 2008-07-24 | Nippon Erekuteru:Kk | 高周波加温バルーンカテーテルシステム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5578008A (en) * | 1992-04-22 | 1996-11-26 | Japan Crescent, Inc. | Heated balloon catheter |
WO1994007446A1 (en) * | 1992-10-05 | 1994-04-14 | Boston Scientific Corporation | Device and method for heating tissue |
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 |
JP2003111848A (ja) * | 2001-10-05 | 2003-04-15 | Nihon Medix | 加熱式バルーンカテーテル装置およびその加熱方法 |
JP4391221B2 (ja) * | 2003-12-22 | 2009-12-24 | 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 |
WO2005065559A1 (ja) * | 2004-01-06 | 2005-07-21 | Toray Industries, Inc. | バルーンカテーテル |
US8226637B2 (en) * | 2005-11-01 | 2012-07-24 | Japan Electel, Inc. | Balloon catheter system |
JP5376579B2 (ja) * | 2009-04-01 | 2013-12-25 | 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 |
-
2008
- 2008-09-16 JP JP2008236984A patent/JP4649506B2/ja active Active
- 2008-11-12 US US12/269,835 patent/US20100069836A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003503103A (ja) * | 1999-06-25 | 2003-01-28 | バヒド サーダット, | 組織を処置するための装置および方法 |
JP2008167958A (ja) * | 2007-01-12 | 2008-07-24 | Nippon Erekuteru:Kk | 高周波加温バルーンカテーテルシステム |
Also Published As
Publication number | Publication date |
---|---|
US20100069836A1 (en) | 2010-03-18 |
JP2010068866A (ja) | 2010-04-02 |
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