JPH10505268A - 高周波アブレーション装置 - Google Patents
高周波アブレーション装置Info
- Publication number
- JPH10505268A JPH10505268A JP8509479A JP50947996A JPH10505268A JP H10505268 A JPH10505268 A JP H10505268A JP 8509479 A JP8509479 A JP 8509479A JP 50947996 A JP50947996 A JP 50947996A JP H10505268 A JPH10505268 A JP H10505268A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- electrode
- catheter
- fluid
- ablation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
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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
- A61B18/12—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
- 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
- A61B18/1477—Needle-like probes
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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
- A61B18/12—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
- A61B18/1402—Probes for open surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
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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
- A61B2018/00005—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
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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
- A61B2018/00005—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
- A61B2018/00023—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
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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
- A61B2018/00005—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
- A61B2018/00005—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
- A61B2018/00035—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids open with return means
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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
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00041—Heating, e.g. defrosting
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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
- A61B2018/00059—Material properties
- A61B2018/00065—Material properties porous
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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
- A61B2018/00059—Material properties
- A61B2018/00071—Electrical conductivity
- A61B2018/00077—Electrical conductivity high, i.e. electrically conducting
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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
- A61B18/12—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
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/1253—Generators therefor characterised by the output polarity monopolar
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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
- A61B18/12—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
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/126—Generators therefor characterised by the output polarity bipolar
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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
- A61B18/12—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
- A61B2018/1425—Needle
-
- 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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- 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
- A61B2018/1472—Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes
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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
- A61B18/12—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
- A61B18/16—Indifferent or passive electrodes for grounding
- A61B2018/162—Indifferent or passive electrodes for grounding located on the probe body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/002—Irrigation
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Surgical Instruments (AREA)
- Electrotherapy Devices (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 基端及び先端を持ち、長手方向内部内腔を有する第1チューブを構成する 細長いカテーテル本体、 前記カテーテル本体の基端に取り付けられた、内部内腔が前記カテーテル本体 の内部内腔に連結された導電性中空電極、 導電性流体を前記カテーテル本体の前記内部内腔に送出するため、前記カテー テル本体の内部内腔に連結された流体送出手段、 前記導電性流体の温度を前記内部内腔内にあるときに変化させるための温度変 化手段、及び 前記電極を高周波エネルギ源に接続するための手段を有する、アブレーション カテーテルシステム。 2. 前記温度変化手段は、 前記第1チューブの外側に配置された、先端が前記電極に対してシールされた 第2チューブ、 前記第1チューブと前記第2チューブとの間に取り付けられた第3チューブで あって、前記第1チューブと前記第2チューブとの間に第1流路を構成し、前記 第2チューブと前記第3チューブとの間に第2流路を構成し、前記第1及び第2 の流路は前記第2チューブの前記先端と隣接して流体連通している、第3チュー ブ、 前記第1流路を冷却流体源に連結するための第1流体継手手段、及び 前記第2流路に連結して前記冷却流体用の出口を提供する第2流体継手手段を 有する、請求項1に記載のアブレーションカテーテルシステム。 3. 前記温度変化手段は、 前記第1チューブの外側に配置され、先端が前記電極に対してシールされた第 2チューブ、 前記第1チューブと前記第2チューブとの間に取り付けられた第3チューブで あって、前記第1チューブと前記第2チューブとの間に第1流路を構成し、前記 第2チューブと前記第3チューブとの間に第2流路を構成し、前記第1及び第2 の流路は前記第2チューブの前記先端と隣接して流体連通している、第3チュー ブ、 前記第1流路を加熱流体源に連結するための第1流体継手手段、及び 前記第2流路に連結して前記加熱流体用の出口を提供する第2流体継手手段を 有する、請求項1に記載のアブレーションカテーテルシステム。 4. 前記電極は、中空針である、請求項1、2、又は3に記載のアブレーショ ンカテーテルシステム。 5. 前記電極は、螺旋状中空針である、請求項4に記載のアブレーションカテ ーテルシステム。 6. 前記電極は、多孔質の導電性電極である、請求項1、2、又は3に記載の アブレーションカテーテルシステム。 7. 前記電極は、多孔質の金属製電極である、請求項6に記載のアブレーショ ンカテーテルシステム。 8. 基端、先端、及び前記先端に開放した内部円腔を持つ細長いカテーテル本 体、前記内部内腔内の導電性電極、 前記電極に接続された第1導体、 前記導体を高周波エネルギ源に接続するための手段、及び 導電性流体を前記内部内腔に送出するため、前記カテーテル本体の前記内部内 腔に連結された流体送出手段を有する、アブレーションカテーテルシステム。 9. 前記内部内腔の前記先端から延びる螺旋状部材を更に有する、請求項8に 記載のアブレーションカテーテルシステム。 10. 前記螺旋状部材は導電性であり、前記螺旋状部材に接続された第2電気 導体を更に有する、請求項9に記載のアブレーションカテーテルシステム。 11. 前記螺旋状部材は中空であり、導電性流体を前記螺旋状部材に送出する ための手段を更に有する、請求項10に記載のアブレーションカテーテルシステ ム。 12. 前記第1導体に接続された高周波エネルギ源を更に有する、請求項8、 9、又は10に記載のアブレーションカテーテルシステム。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/303,246 US5609151A (en) | 1994-09-08 | 1994-09-08 | Method for R-F ablation |
| US08/303,246 | 1994-09-08 | ||
| PCT/US1995/009478 WO1996007360A1 (en) | 1994-09-08 | 1995-07-28 | Mapping r- f ablating liquid injecting screw- in catheter mounted electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10505268A true JPH10505268A (ja) | 1998-05-26 |
Family
ID=23171187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8509479A Pending JPH10505268A (ja) | 1994-09-08 | 1995-07-28 | 高周波アブレーション装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US5609151A (ja) |
| EP (2) | EP0779794B1 (ja) |
| JP (1) | JPH10505268A (ja) |
| AU (1) | AU692289B2 (ja) |
| CA (1) | CA2197470A1 (ja) |
| DE (1) | DE69530493T2 (ja) |
| WO (1) | WO1996007360A1 (ja) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008535605A (ja) * | 2005-04-12 | 2008-09-04 | サントル・デチュード・エ・ドゥ・レシェルシュ・メディカル・ダルシャン−セルマ | ヒトまたは動物組織の全部または一部に特に伝熱流体を注入するための埋め込み可能な管 |
| JP2014008101A (ja) * | 2012-06-28 | 2014-01-20 | Tadashi Kawakita | 加熱治療装置 |
| JP2014516620A (ja) * | 2011-04-12 | 2014-07-17 | サーメディカル・インコーポレイテッド | 流体補助アブレーション装置において脱気液体を使用するための方法および装置 |
| US9610396B2 (en) | 2013-03-15 | 2017-04-04 | Thermedical, Inc. | Systems and methods for visualizing fluid enhanced ablation therapy |
| US9743984B1 (en) | 2016-08-11 | 2017-08-29 | Thermedical, Inc. | Devices and methods for delivering fluid to tissue during ablation therapy |
| US10022176B2 (en) | 2012-08-15 | 2018-07-17 | Thermedical, Inc. | Low profile fluid enhanced ablation therapy devices and methods |
| US10058385B2 (en) | 2013-03-15 | 2018-08-28 | Thermedical, Inc. | Methods and devices for fluid enhanced microwave ablation therapy |
| US11083871B2 (en) | 2018-05-03 | 2021-08-10 | Thermedical, Inc. | Selectively deployable catheter ablation devices |
| US11918277B2 (en) | 2018-07-16 | 2024-03-05 | Thermedical, Inc. | Inferred maximum temperature monitoring for irrigated ablation therapy |
Families Citing this family (489)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5697909A (en) | 1992-01-07 | 1997-12-16 | Arthrocare Corporation | Methods and apparatus for surgical cutting |
| US5683366A (en) * | 1992-01-07 | 1997-11-04 | Arthrocare Corporation | System and method for electrosurgical tissue canalization |
| US6053172A (en) | 1995-06-07 | 2000-04-25 | Arthrocare Corporation | Systems and methods for electrosurgical sinus surgery |
| US6159194A (en) | 1992-01-07 | 2000-12-12 | Arthrocare Corporation | System and method for electrosurgical tissue contraction |
| US6500173B2 (en) | 1992-01-07 | 2002-12-31 | Ronald A. Underwood | Methods for electrosurgical spine surgery |
| US7429262B2 (en) | 1992-01-07 | 2008-09-30 | Arthrocare Corporation | Apparatus and methods for electrosurgical ablation and resection of target tissue |
| US5697882A (en) | 1992-01-07 | 1997-12-16 | Arthrocare Corporation | System and method for electrosurgical cutting and ablation |
| US5902272A (en) | 1992-01-07 | 1999-05-11 | Arthrocare Corporation | Planar ablation probe and method for electrosurgical cutting and ablation |
| US6190381B1 (en) | 1995-06-07 | 2001-02-20 | Arthrocare Corporation | Methods for tissue resection, ablation and aspiration |
| US6063079A (en) | 1995-06-07 | 2000-05-16 | Arthrocare Corporation | Methods for electrosurgical treatment of turbinates |
| US6179824B1 (en) | 1993-05-10 | 2001-01-30 | Arthrocare Corporation | System and methods for electrosurgical restenosis of body lumens |
| US7297145B2 (en) * | 1997-10-23 | 2007-11-20 | Arthrocare Corporation | Bipolar electrosurgical clamp for removing and modifying tissue |
| US6142992A (en) | 1993-05-10 | 2000-11-07 | Arthrocare Corporation | Power supply for limiting power in electrosurgery |
| US6210402B1 (en) | 1995-11-22 | 2001-04-03 | Arthrocare Corporation | Methods for electrosurgical dermatological treatment |
| US6102046A (en) * | 1995-11-22 | 2000-08-15 | Arthrocare Corporation | Systems and methods for electrosurgical tissue revascularization |
| US6355032B1 (en) | 1995-06-07 | 2002-03-12 | Arthrocare Corporation | Systems and methods for selective electrosurgical treatment of body structures |
| US5891095A (en) | 1993-05-10 | 1999-04-06 | Arthrocare Corporation | Electrosurgical treatment of tissue in electrically conductive fluid |
| US6109268A (en) * | 1995-06-07 | 2000-08-29 | Arthrocare Corporation | Systems and methods for electrosurgical endoscopic sinus surgery |
| US6024733A (en) | 1995-06-07 | 2000-02-15 | Arthrocare Corporation | System and method for epidermal tissue ablation |
| US6770071B2 (en) | 1995-06-07 | 2004-08-03 | Arthrocare Corporation | Bladed electrosurgical probe |
| US6974453B2 (en) | 1993-05-10 | 2005-12-13 | Arthrocare Corporation | Dual mode electrosurgical clamping probe and related methods |
| US6183469B1 (en) | 1997-08-27 | 2001-02-06 | Arthrocare Corporation | Electrosurgical systems and methods for the removal of pacemaker leads |
| US6086585A (en) * | 1995-06-07 | 2000-07-11 | Arthrocare Corporation | System and methods for electrosurgical treatment of sleep obstructive disorders |
| US6896674B1 (en) | 1993-05-10 | 2005-05-24 | Arthrocare Corporation | Electrosurgical apparatus having digestion electrode and methods related thereto |
| US6254600B1 (en) | 1993-05-10 | 2001-07-03 | Arthrocare Corporation | Systems for tissue ablation and aspiration |
| US6749604B1 (en) * | 1993-05-10 | 2004-06-15 | Arthrocare Corporation | Electrosurgical instrument with axially-spaced electrodes |
| US6391025B1 (en) | 1993-05-10 | 2002-05-21 | Arthrocare Corporation | Electrosurgical scalpel and methods for tissue cutting |
| US6235020B1 (en) | 1993-05-10 | 2001-05-22 | Arthrocare Corporation | Power supply and methods for fluid delivery in electrosurgery |
| US6915806B2 (en) | 1993-05-10 | 2005-07-12 | Arthrocare Corporation | Method for harvesting graft vessel |
| US6832996B2 (en) | 1995-06-07 | 2004-12-21 | Arthrocare Corporation | Electrosurgical systems and methods for treating tissue |
| US6117109A (en) | 1995-11-22 | 2000-09-12 | Arthrocare Corporation | Systems and methods for electrosurgical incisions on external skin surfaces |
| NL9301851A (nl) * | 1993-10-26 | 1995-05-16 | Cordis Europ | Cryo-ablatie catheter. |
| US6958062B1 (en) | 1993-11-08 | 2005-10-25 | Rita Medical Systems, Inc. | Multiple antenna ablation apparatus and method |
| US6071280A (en) | 1993-11-08 | 2000-06-06 | Rita Medical Systems, Inc. | Multiple electrode ablation apparatus |
| US5536267A (en) | 1993-11-08 | 1996-07-16 | Zomed International | Multiple electrode ablation apparatus |
| US5599346A (en) | 1993-11-08 | 1997-02-04 | Zomed International, Inc. | RF treatment system |
| US6569159B1 (en) | 1993-11-08 | 2003-05-27 | Rita Medical Systems, Inc. | Cell necrosis apparatus |
| US5928229A (en) | 1993-11-08 | 1999-07-27 | Rita Medical Systems, Inc. | Tumor ablation apparatus |
| US6641580B1 (en) * | 1993-11-08 | 2003-11-04 | Rita Medical Systems, Inc. | Infusion array ablation apparatus |
| US6632221B1 (en) | 1993-11-08 | 2003-10-14 | Rita Medical Systems, Inc. | Method of creating a lesion in tissue with infusion |
| US5462521A (en) * | 1993-12-21 | 1995-10-31 | Angeion Corporation | Fluid cooled and perfused tip for a catheter |
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Also Published As
| Publication number | Publication date |
|---|---|
| AU692289B2 (en) | 1998-06-04 |
| WO1996007360A1 (en) | 1996-03-14 |
| CA2197470A1 (en) | 1996-03-14 |
| US5725524A (en) | 1998-03-10 |
| EP1149564A1 (en) | 2001-10-31 |
| DE69530493T2 (de) | 2004-03-18 |
| EP0779794A1 (en) | 1997-06-25 |
| DE69530493D1 (en) | 2003-05-28 |
| EP0779794B1 (en) | 2003-04-23 |
| US5609151A (en) | 1997-03-11 |
| AU3150695A (en) | 1996-03-27 |
| US5906613A (en) | 1999-05-25 |
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