ATE280617T1 - Flüssigkeitsgekühlte nasse elektrode - Google Patents

Flüssigkeitsgekühlte nasse elektrode

Info

Publication number
ATE280617T1
ATE280617T1 AT99939273T AT99939273T ATE280617T1 AT E280617 T1 ATE280617 T1 AT E280617T1 AT 99939273 T AT99939273 T AT 99939273T AT 99939273 T AT99939273 T AT 99939273T AT E280617 T1 ATE280617 T1 AT E280617T1
Authority
AT
Austria
Prior art keywords
electrode
wetting
radio frequency
distal end
cooling
Prior art date
Application number
AT99939273T
Other languages
English (en)
Inventor
Yicheng Ni
Yi Miao
Guy Marchal
Original Assignee
Leuven K U Res & Dev
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Leuven K U Res & Dev filed Critical Leuven K U Res & Dev
Application granted granted Critical
Publication of ATE280617T1 publication Critical patent/ATE280617T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/06—Electrodes for high-frequency therapy
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A61N1/403—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
    • 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
    • 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
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—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
    • 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
    • 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
    • A61B2018/143—Needle multiple needles
    • 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
    • A61B2018/1432—Needle curved
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Otolaryngology (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgical Instruments (AREA)
  • Electrotherapy Devices (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Primary Cells (AREA)
  • Secondary Cells (AREA)
  • Thermistors And Varistors (AREA)
  • Photovoltaic Devices (AREA)
AT99939273T 1998-08-14 1999-08-13 Flüssigkeitsgekühlte nasse elektrode ATE280617T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1009868 1998-08-14
PCT/BE1999/000106 WO2000009208A1 (en) 1998-08-14 1999-08-13 Cooled-wet electrode

Publications (1)

Publication Number Publication Date
ATE280617T1 true ATE280617T1 (de) 2004-11-15

Family

ID=19767651

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99939273T ATE280617T1 (de) 1998-08-14 1999-08-13 Flüssigkeitsgekühlte nasse elektrode

Country Status (9)

Country Link
US (1) US6514251B1 (de)
EP (2) EP1104328A1 (de)
JP (2) JP2002522183A (de)
CN (2) CN1323234A (de)
AT (1) ATE280617T1 (de)
AU (2) AU5402899A (de)
DE (1) DE69921482T2 (de)
ES (1) ES2228083T3 (de)
WO (2) WO2000009208A1 (de)

Families Citing this family (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6632221B1 (en) 1993-11-08 2003-10-14 Rita Medical Systems, Inc. Method of creating a lesion in tissue with infusion
US6641580B1 (en) 1993-11-08 2003-11-04 Rita Medical Systems, Inc. Infusion array ablation apparatus
US6569159B1 (en) 1993-11-08 2003-05-27 Rita Medical Systems, Inc. Cell necrosis apparatus
US5536267A (en) 1993-11-08 1996-07-16 Zomed International Multiple electrode ablation apparatus
US6059780A (en) 1995-08-15 2000-05-09 Rita Medical Systems, Inc. Multiple antenna ablation apparatus and method with cooling element
US6352536B1 (en) * 2000-02-11 2002-03-05 Sherwood Services Ag Bipolar electrosurgical instrument for sealing vessels
US6050996A (en) 1997-11-12 2000-04-18 Sherwood Services Ag Bipolar electrosurgical instrument with replaceable electrodes
US6726686B2 (en) * 1997-11-12 2004-04-27 Sherwood Services Ag Bipolar electrosurgical instrument for sealing vessels
US7435249B2 (en) * 1997-11-12 2008-10-14 Covidien Ag Electrosurgical instruments which reduces collateral damage to adjacent tissue
US7118570B2 (en) 2001-04-06 2006-10-10 Sherwood Services Ag Vessel sealing forceps with disposable electrodes
US7582087B2 (en) * 1998-10-23 2009-09-01 Covidien Ag Vessel sealing instrument
US20040249374A1 (en) * 1998-10-23 2004-12-09 Tetzlaff Philip M. Vessel sealing instrument
DE102004033595A1 (de) * 2004-07-07 2006-02-16 Celon Ag Medical Instruments Bipolare Koagulationselektrode
US6306132B1 (en) * 1999-06-17 2001-10-23 Vivant Medical Modular biopsy and microwave ablation needle delivery apparatus adapted to in situ assembly and method of use
ES2261392T3 (es) 1999-09-01 2006-11-16 Sherwood Services Ag Instrumento electroquirurgico que reduce la dispersion termica.
US6770070B1 (en) * 2000-03-17 2004-08-03 Rita Medical Systems, Inc. Lung treatment apparatus and method
US7025765B2 (en) * 2000-03-31 2006-04-11 Rita Medical Systems, Inc. Tissue biopsy and treatment apparatus and method
US20020022864A1 (en) * 2000-06-07 2002-02-21 Mahvi David M. Multipolar electrode system for radiofrequency ablation
US7101372B2 (en) 2001-04-06 2006-09-05 Sherwood Sevices Ag Vessel sealer and divider
US7090673B2 (en) * 2001-04-06 2006-08-15 Sherwood Services Ag Vessel sealer and divider
US7101373B2 (en) * 2001-04-06 2006-09-05 Sherwood Services Ag Vessel sealer and divider
US10849681B2 (en) 2001-04-06 2020-12-01 Covidien Ag Vessel sealer and divider
JP4125133B2 (ja) * 2001-04-06 2008-07-30 シャーウッド・サービシーズ・アクチェンゲゼルシャフト 双極機器のための成形絶縁ヒンジ
DE60121229T2 (de) 2001-04-06 2007-05-24 Sherwood Services Ag Vorrichtung zum abdichten und teilen eines gefässes mit nichtleitendem endanschlag
US7118587B2 (en) * 2001-04-06 2006-10-10 Sherwood Services Ag Vessel sealer and divider
DE10128701B4 (de) 2001-06-07 2005-06-23 Celon Ag Medical Instruments Sondenanordnung
AU2002327779B2 (en) 2001-09-28 2008-06-26 Angiodynamics, Inc. Impedance controlled tissue ablation apparatus and method
US6878147B2 (en) 2001-11-02 2005-04-12 Vivant Medical, Inc. High-strength microwave antenna assemblies
US7128739B2 (en) * 2001-11-02 2006-10-31 Vivant Medical, Inc. High-strength microwave antenna assemblies and methods of use
US8882755B2 (en) * 2002-03-05 2014-11-11 Kimberly-Clark Inc. Electrosurgical device for treatment of tissue
US20040115296A1 (en) * 2002-04-05 2004-06-17 Duffin Terry M. Retractable overmolded insert retention apparatus
US6752767B2 (en) * 2002-04-16 2004-06-22 Vivant Medical, Inc. Localization element with energized tip
US7197363B2 (en) 2002-04-16 2007-03-27 Vivant Medical, Inc. Microwave antenna having a curved configuration
US6887237B2 (en) 2002-07-22 2005-05-03 Medtronic, Inc. Method for treating tissue with a wet electrode and apparatus for using same
US7799026B2 (en) 2002-11-14 2010-09-21 Covidien Ag Compressible jaw configuration with bipolar RF output electrodes for soft tissue fusion
US7033354B2 (en) 2002-12-10 2006-04-25 Sherwood Services Ag Electrosurgical electrode having a non-conductive porous ceramic coating
US20040181214A1 (en) * 2003-03-13 2004-09-16 Garabedian Robert J. Passively cooled array
CA2519949A1 (en) * 2003-03-26 2004-10-14 Regents Of The University Of Minnesota Thermal surgical procedures and compositions
KR100466866B1 (ko) * 2003-04-24 2005-01-24 전명기 생체조직을 응고괴사시키는 고주파 전기수술기용 전극
US7147638B2 (en) * 2003-05-01 2006-12-12 Sherwood Services Ag Electrosurgical instrument which reduces thermal damage to adjacent tissue
US7160299B2 (en) * 2003-05-01 2007-01-09 Sherwood Services Ag Method of fusing biomaterials with radiofrequency energy
USD499181S1 (en) 2003-05-15 2004-11-30 Sherwood Services Ag Handle for a vessel sealer and divider
USD496997S1 (en) 2003-05-15 2004-10-05 Sherwood Services Ag Vessel sealer and divider
WO2004103156A2 (en) * 2003-05-15 2004-12-02 Sherwood Services Ag Tissue sealer with non-conductive variable stop members and method of sealing tissue
US7597693B2 (en) 2003-06-13 2009-10-06 Covidien Ag Vessel sealer and divider for use with small trocars and cannulas
US7150097B2 (en) 2003-06-13 2006-12-19 Sherwood Services Ag Method of manufacturing jaw assembly for vessel sealer and divider
US7156846B2 (en) 2003-06-13 2007-01-02 Sherwood Services Ag Vessel sealer and divider for use with small trocars and cannulas
US7311703B2 (en) 2003-07-18 2007-12-25 Vivant Medical, Inc. Devices and methods for cooling microwave antennas
US9848938B2 (en) 2003-11-13 2017-12-26 Covidien Ag Compressible jaw configuration with bipolar RF output electrodes for soft tissue fusion
US7252667B2 (en) * 2003-11-19 2007-08-07 Sherwood Services Ag Open vessel sealing instrument with cutting mechanism and distal lockout
US7442193B2 (en) * 2003-11-20 2008-10-28 Covidien Ag Electrically conductive/insulative over-shoe for tissue fusion
US7074494B2 (en) * 2004-02-19 2006-07-11 E. I. Du Pont De Nemours And Company Flame retardant surface coverings
US20050228312A1 (en) * 2004-03-31 2005-10-13 Vihar Surti Biopsy needle system
CN1296014C (zh) * 2004-06-17 2007-01-24 上海交通大学 水冷式射频肿瘤消融治疗系统
USD533942S1 (en) 2004-06-30 2006-12-19 Sherwood Services Ag Open vessel sealer with mechanical cutter
GB2415630C2 (en) * 2004-07-02 2007-03-22 Microsulis Ltd Radiation applicator and method of radiating tissue
US7156570B2 (en) * 2004-12-30 2007-01-02 Cotapaxi Custom Design And Manufacturing, Llc Implement grip
US7799019B2 (en) * 2005-05-10 2010-09-21 Vivant Medical, Inc. Reinforced high strength microwave antenna
DE102005023303A1 (de) * 2005-05-13 2006-11-16 Celon Ag Medical Instruments Biegeweiche Applikationsvorrichtung zur Hochfrequenztherapie von biologischem Gewebe
US20070055225A1 (en) * 2005-09-07 2007-03-08 Dodd Gerald D Iii Method and apparatus for electromagnetic ablation of biological tissue
US7704248B2 (en) 2005-12-21 2010-04-27 Boston Scientific Scimed, Inc. Ablation device with compression balloon
US20070179491A1 (en) * 2006-01-31 2007-08-02 Medtronic, Inc. Sensing needle for ablation therapy
US9414883B2 (en) 2006-06-09 2016-08-16 Boston Scientific Scimed, Inc. Co-access foam/electrode introducer
US8068921B2 (en) * 2006-09-29 2011-11-29 Vivant Medical, Inc. Microwave antenna assembly and method of using the same
CN100594008C (zh) * 2007-01-16 2010-03-17 盛林 微波消融水刀
US7998139B2 (en) 2007-04-25 2011-08-16 Vivant Medical, Inc. Cooled helical antenna for microwave ablation
ES2307426B2 (es) * 2007-04-30 2009-10-01 Universidad Politecnica De Valencia Dispositivo aplicador para ablacion por radiofrecuencia de tejidos biologicos.
US8353901B2 (en) * 2007-05-22 2013-01-15 Vivant Medical, Inc. Energy delivery conduits for use with electrosurgical devices
US9023024B2 (en) 2007-06-20 2015-05-05 Covidien Lp Reflective power monitoring for microwave applications
US20090005766A1 (en) * 2007-06-28 2009-01-01 Joseph Brannan Broadband microwave applicator
US8651146B2 (en) 2007-09-28 2014-02-18 Covidien Lp Cable stand-off
US8292880B2 (en) * 2007-11-27 2012-10-23 Vivant Medical, Inc. Targeted cooling of deployable microwave antenna
US8998892B2 (en) 2007-12-21 2015-04-07 Atricure, Inc. Ablation device with cooled electrodes and methods of use
US8353907B2 (en) 2007-12-21 2013-01-15 Atricure, Inc. Ablation device with internally cooled electrodes
US9198723B2 (en) 2008-03-31 2015-12-01 Covidien Lp Re-hydration antenna for ablation
KR101108569B1 (ko) 2008-05-15 2012-01-30 전명기 생체조직을 응고 괴사시키는 고주파 전기수술기용 전극
US8328804B2 (en) 2008-07-24 2012-12-11 Covidien Lp Suction coagulator
US9186128B2 (en) 2008-10-01 2015-11-17 Covidien Lp Needle biopsy device
US8968210B2 (en) * 2008-10-01 2015-03-03 Covidien LLP Device for needle biopsy with integrated needle protection
US9782565B2 (en) 2008-10-01 2017-10-10 Covidien Lp Endoscopic ultrasound-guided biliary access system
US11298113B2 (en) 2008-10-01 2022-04-12 Covidien Lp Device for needle biopsy with integrated needle protection
US9332973B2 (en) 2008-10-01 2016-05-10 Covidien Lp Needle biopsy device with exchangeable needle and integrated needle protection
US8728068B2 (en) * 2009-04-09 2014-05-20 Urologix, Inc. Cooled antenna for device insertable into a body
US9855094B2 (en) 2010-12-28 2018-01-02 St. Jude Medical, Atrial Fibrillation Division, Inc. Multi-rate fluid flow and variable power delivery for ablation electrode assemblies used in catheter ablation procedures
US8814857B2 (en) 2010-12-17 2014-08-26 St. Jude Medical, Atrial Filbrillation Division, Inc. Irrigated ablation electrode assemblies
US9486275B2 (en) * 2010-12-30 2016-11-08 Avent, Inc. Electrosurgical apparatus having a sensor
US9044245B2 (en) * 2011-01-05 2015-06-02 Medtronic Ablation Frontiers Llc Multipolarity epicardial radiofrequency ablation
EP3498208A1 (de) 2011-04-12 2019-06-19 Thermedical, Inc. Vorrichtungen zum erwärmen eines fluids in einer fluidunterstützten ablationstherapie
CN106823131B (zh) * 2011-09-30 2019-12-20 柯惠有限合伙公司 能量传递装置以及使用方法
KR101449965B1 (ko) 2012-02-10 2014-10-15 (주)알에프메디컬 고주파 수술용 전극 팁 및 이를 구비하는 고주파 수술용 전극
CN102626329B (zh) * 2012-03-13 2014-10-15 郑州大学 射频消融负压自动活检枪
US9101344B2 (en) 2013-03-15 2015-08-11 Covidien Lp Recirculating cooling system for energy delivery device
US9682190B2 (en) 2013-03-15 2017-06-20 Covidien Lp Recirculating cooling system for energy delivery device
US9872719B2 (en) 2013-07-24 2018-01-23 Covidien Lp Systems and methods for generating electrosurgical energy using a multistage power converter
US9655670B2 (en) 2013-07-29 2017-05-23 Covidien Lp Systems and methods for measuring tissue impedance through an electrosurgical cable
CN105451670B (zh) 2013-08-07 2018-09-04 柯惠有限合伙公司 外科手术钳
CN104207842A (zh) * 2014-09-28 2014-12-17 大连顺达微创科技有限公司 一种旋转供液方式的等离子体手术电极
CN104287828A (zh) * 2014-10-20 2015-01-21 周稼 柔性中空射频治疗电极
CN104958104B (zh) * 2015-06-30 2017-07-21 绍兴市人民医院 分体式射频针
US9987078B2 (en) 2015-07-22 2018-06-05 Covidien Lp Surgical forceps
US10631918B2 (en) 2015-08-14 2020-04-28 Covidien Lp Energizable surgical attachment for a mechanical clamp
CA2996489C (en) 2015-08-28 2023-11-07 Avent, Inc. Liquid delivery method for cooled rf system
US9743984B1 (en) 2016-08-11 2017-08-29 Thermedical, Inc. Devices and methods for delivering fluid to tissue during ablation therapy
EP3522807B1 (de) 2016-10-04 2025-07-09 Avent, Inc. Gekühlte hf-sonden
US11166759B2 (en) 2017-05-16 2021-11-09 Covidien Lp Surgical forceps
US11071586B2 (en) 2017-06-05 2021-07-27 Covidien Lp Cooling systems for energy delivery devices
JP6840649B2 (ja) * 2017-10-13 2021-03-10 日本ライフライン株式会社 高周波治療用カテーテル
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
US11382682B2 (en) 2018-11-28 2022-07-12 Boston Scientific Scimed, Inc. Closed irrigated radiofrequency bipolar tined ablation probe
US11957409B2 (en) 2018-12-19 2024-04-16 Boston Scientific Scimed, Inc. Irrigation cooling structure for microwave ablation tissue probe
EP4057922A1 (de) * 2019-11-15 2022-09-21 Smith&Nephew, Inc. Verfahren und systeme für elektrochirurgische koagulationsvorrichtungen
US12226143B2 (en) 2020-06-22 2025-02-18 Covidien Lp Universal surgical footswitch toggling

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1244889A (en) * 1983-01-24 1988-11-15 Kureha Chemical Ind Co Ltd HYPERTHERMIA DEVICE
US5843019A (en) * 1992-01-07 1998-12-01 Arthrocare Corporation Shaped electrodes and methods for electrosurgical cutting and ablation
US5681282A (en) 1992-01-07 1997-10-28 Arthrocare Corporation Methods and apparatus for ablation of luminal tissues
US5431649A (en) * 1993-08-27 1995-07-11 Medtronic, Inc. Method and apparatus for R-F ablation
US5536267A (en) * 1993-11-08 1996-07-16 Zomed International Multiple electrode ablation apparatus
US5472441A (en) * 1993-11-08 1995-12-05 Zomed International Device for treating cancer and non-malignant tumors and methods
US6106524A (en) * 1995-03-03 2000-08-22 Neothermia Corporation Methods and apparatus for therapeutic cauterization of predetermined volumes of biological tissue
US5688267A (en) * 1995-05-01 1997-11-18 Ep Technologies, Inc. Systems and methods for sensing multiple temperature conditions during tissue ablation
AU702374B2 (en) * 1995-08-18 1999-02-18 Somnus Medical Technologies, Inc. Method and apparatus for treatment of air way obstructions

Also Published As

Publication number Publication date
CN1191873C (zh) 2005-03-09
WO2000009209A1 (en) 2000-02-24
EP1104327B1 (de) 2004-10-27
AU5402899A (en) 2000-03-06
JP2002522182A (ja) 2002-07-23
JP4138249B2 (ja) 2008-08-27
CN1323234A (zh) 2001-11-21
JP2002522183A (ja) 2002-07-23
DE69921482T2 (de) 2005-12-15
WO2000009208A1 (en) 2000-02-24
EP1104327A1 (de) 2001-06-06
ES2228083T3 (es) 2005-04-01
DE69921482D1 (de) 2004-12-02
EP1104328A1 (de) 2001-06-06
US6514251B1 (en) 2003-02-04
CN1323233A (zh) 2001-11-21
AU5365599A (en) 2000-03-06

Similar Documents

Publication Publication Date Title
DE69921482D1 (de) Flüssigkeitsgekühlte nasse elektrode
DE69330821D1 (de) Katheter zur Radio-Frequenz Ablation mit abkühlender Elektrode
US7052496B2 (en) Instrument for high-frequency treatment and method of high-frequency treatment
JP2648239B2 (ja) 電気外科手術用の双極型処理装置
ATE375126T1 (de) Systeme zur geweberesektion, -ablation und - absaugung
WO2001067975A2 (en) Combined electrosurgical-cryosurgical instrument
ATE425702T1 (de) Radiofrequenz generator fur eine ablationsvorricthung
JP2004329961A (ja) バイポール電気外科処置用トロカール
CA2137004A1 (en) An Electrosurgical Tubular Trocar
AU2004206871A1 (en) Non-surgical incontinence treatment system and method
WO2003030721A3 (en) Self-wetting, dry-field bipolar electrodes for endoscopic surgery
KR19990082157A (ko) 외과용 전기 커팅장치
RU2010147453A (ru) Биполярный радиочастотный абляционный инструмент
DE69420650D1 (de) Elektrochirurgische Vorrichtung zum Blutstillen
WO2003024305A3 (en) Electrosurgical apparatus and methods for tissue treatment & removal
DE69733556D1 (de) Feuchtigkeitsförderungssystem für berührungselektrokoagulation
EP4691389A3 (de) Radiofrequenzablationssonde
JP2001178740A5 (ja) 内視鏡治療装置、プローブ、及び、処置装置
US6616656B2 (en) Two-electrode endoscopic implement
JP2019522547A (ja) アルゴンビーム機能を有する超極性電気外科用ブレードアセンブリおよび超極性電気外科用ペンシル
JPH11318925A (ja) 医療用プローブ
JPH0234885Y2 (de)
CN213075892U (zh) 一种等离子体手术刀的刀头
US3595238A (en) Electrosurgical apparatus to coagulate biological tissues
CN218009938U (zh) 一种带穿刺热凝功能的射频系统

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties