CA2237563C - Flexible tissue ablation elements for making long lesions - Google Patents

Flexible tissue ablation elements for making long lesions Download PDF

Info

Publication number
CA2237563C
CA2237563C CA002237563A CA2237563A CA2237563C CA 2237563 C CA2237563 C CA 2237563C CA 002237563 A CA002237563 A CA 002237563A CA 2237563 A CA2237563 A CA 2237563A CA 2237563 C CA2237563 C CA 2237563C
Authority
CA
Canada
Prior art keywords
electrode
longitudinal end
wire
adjacent windings
windings
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.)
Expired - Lifetime
Application number
CA002237563A
Other languages
English (en)
French (fr)
Other versions
CA2237563A1 (en
Inventor
Sidney D. Fleischman
Russell B. Thompson
Dorin Panescu
David K. Swanson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boston Scientific Ltd Bermuda
Original Assignee
Boston Scientific Ltd Bermuda
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 Boston Scientific Ltd Bermuda filed Critical Boston Scientific Ltd Bermuda
Publication of CA2237563A1 publication Critical patent/CA2237563A1/en
Application granted granted Critical
Publication of CA2237563C publication Critical patent/CA2237563C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A61B5/283—Invasive
    • A61B5/287—Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6858—Catheters with a distal basket, e.g. expandable basket
    • 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
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/056—Transvascular endocardial electrode systems
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/14—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of space
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00084—Temperature
    • A61B2017/00088—Temperature using thermistors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00084—Temperature
    • A61B2017/00092—Temperature using thermocouples
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00831—Material properties
    • A61B2017/0088—Material properties ceramic
    • 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
    • A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
    • 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
    • A61B2018/00107—Coatings on the energy applicator
    • 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
    • A61B2018/00107—Coatings on the energy applicator
    • A61B2018/00148—Coatings on the energy applicator with metal
    • 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
    • A61B2018/0016—Energy applicators arranged in a two- or three dimensional array
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Cardiology (AREA)
  • Molecular Biology (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Otolaryngology (AREA)
  • Plasma & Fusion (AREA)
  • Physiology (AREA)
  • Vascular Medicine (AREA)
  • Surgical Instruments (AREA)
  • Resistance Heating (AREA)
CA002237563A 1995-11-13 1996-11-08 Flexible tissue ablation elements for making long lesions Expired - Lifetime CA2237563C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/558,131 1995-11-13
US08/558,131 US5797905A (en) 1994-08-08 1995-11-13 Flexible tissue ablation elements for making long lesions
PCT/US1996/018101 WO1997017904A1 (en) 1995-11-13 1996-11-08 Flexible tissue ablation elements for making long lesions

Publications (2)

Publication Number Publication Date
CA2237563A1 CA2237563A1 (en) 1997-05-22
CA2237563C true CA2237563C (en) 2003-06-17

Family

ID=24228339

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002237563A Expired - Lifetime CA2237563C (en) 1995-11-13 1996-11-08 Flexible tissue ablation elements for making long lesions

Country Status (7)

Country Link
US (1) US5797905A (OSRAM)
EP (1) EP0955917B1 (OSRAM)
JP (1) JP3756522B2 (OSRAM)
CA (1) CA2237563C (OSRAM)
DE (1) DE69621845T2 (OSRAM)
ES (1) ES2176512T3 (OSRAM)
WO (1) WO1997017904A1 (OSRAM)

Families Citing this family (196)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6161543A (en) 1993-02-22 2000-12-19 Epicor, Inc. Methods of epicardial ablation for creating a lesion around the pulmonary veins
US6113591A (en) * 1994-06-27 2000-09-05 Ep Technologies, Inc. Systems and methods for sensing sub-surface temperatures in body tissue
US6245068B1 (en) 1994-08-08 2001-06-12 Scimed Life Systems, Inc. Resilient radiopaque electrophysiology electrodes and probes including the same
US5814029A (en) * 1994-11-03 1998-09-29 Daig Corporation Guiding introducer system for use in ablation and mapping procedures in the left ventricle
US6053912A (en) * 1995-05-01 2000-04-25 Ep Techonologies, Inc. Systems and methods for sensing sub-surface temperatures in body tissue during ablation with actively cooled electrodes
US6030379A (en) * 1995-05-01 2000-02-29 Ep Technologies, Inc. Systems and methods for seeking sub-surface temperature conditions during tissue ablation
DE29519651U1 (de) * 1995-12-14 1996-02-01 Muntermann, Axel, 35583 Wetzlar Vorrichtung zur linienförmigen Radiofrequenz-Katheterablation endomyokardialen Gewebes
US6311692B1 (en) 1996-10-22 2001-11-06 Epicor, Inc. Apparatus and method for diagnosis and therapy of electrophysiological disease
US6719755B2 (en) 1996-10-22 2004-04-13 Epicor Medical, Inc. Methods and devices for ablation
US7052493B2 (en) 1996-10-22 2006-05-30 Epicor Medical, Inc. Methods and devices for ablation
US6840936B2 (en) 1996-10-22 2005-01-11 Epicor Medical, Inc. Methods and devices for ablation
DE19721362B4 (de) * 1997-04-01 2011-05-26 Axel Muntermann Vorrichtung und Eichverfahren zur Katheterablation
US6024740A (en) 1997-07-08 2000-02-15 The Regents Of The University Of California Circumferential ablation device assembly
US6012457A (en) 1997-07-08 2000-01-11 The Regents Of The University Of California Device and method for forming a circumferential conduction block in a pulmonary vein
US5971983A (en) 1997-05-09 1999-10-26 The Regents Of The University Of California Tissue ablation device and method of use
US6042590A (en) * 1997-06-16 2000-03-28 Novomedics, Llc Apparatus and methods for fallopian tube occlusion
US5938660A (en) 1997-06-27 1999-08-17 Daig Corporation Process and device for the treatment of atrial arrhythmia
US6251109B1 (en) 1997-06-27 2001-06-26 Daig Corporation Process and device for the treatment of atrial arrhythmia
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
US6164283A (en) 1997-07-08 2000-12-26 The Regents Of The University Of California Device and method for forming a circumferential conduction block in a pulmonary vein
US6652515B1 (en) 1997-07-08 2003-11-25 Atrionix, Inc. Tissue ablation device assembly and method for electrically isolating a pulmonary vein ostium from an atrial wall
US6514249B1 (en) 1997-07-08 2003-02-04 Atrionix, Inc. Positioning system and method for orienting an ablation element within a pulmonary vein ostium
US6966908B2 (en) 1997-07-08 2005-11-22 Atrionix, Inc. Tissue ablation device assembly and method for electrically isolating a pulmonary vein ostium from an atrial wall
US6997925B2 (en) 1997-07-08 2006-02-14 Atrionx, Inc. Tissue ablation device assembly and method for electrically isolating a pulmonary vein ostium from an atrial wall
US6547788B1 (en) * 1997-07-08 2003-04-15 Atrionx, Inc. Medical device with sensor cooperating with expandable member
US6245064B1 (en) 1997-07-08 2001-06-12 Atrionix, Inc. Circumferential ablation device assembly
US6869431B2 (en) 1997-07-08 2005-03-22 Atrionix, Inc. Medical device with sensor cooperating with expandable member
US6080151A (en) * 1997-07-21 2000-06-27 Daig Corporation Ablation catheter
US6645200B1 (en) 1997-10-10 2003-11-11 Scimed Life Systems, Inc. Method and apparatus for positioning a diagnostic or therapeutic element within the body and tip electrode for use with same
US6464699B1 (en) 1997-10-10 2002-10-15 Scimed Life Systems, Inc. Method and apparatus for positioning a diagnostic or therapeutic element on body tissue and mask element for use with same
US6200315B1 (en) * 1997-12-18 2001-03-13 Medtronic, Inc. Left atrium ablation catheter
US6522930B1 (en) * 1998-05-06 2003-02-18 Atrionix, Inc. Irrigated ablation device assembly
US6527767B2 (en) 1998-05-20 2003-03-04 New England Medical Center Cardiac ablation system and method for treatment of cardiac arrhythmias and transmyocardial revascularization
US6302903B1 (en) * 1998-07-07 2001-10-16 Medtronic, Inc. Straight needle apparatus for creating a virtual electrode used for the ablation of tissue
US6251128B1 (en) * 1998-09-01 2001-06-26 Fidus Medical Technology Corporation Microwave ablation catheter with loop configuration
US6245062B1 (en) 1998-10-23 2001-06-12 Afx, Inc. Directional reflector shield assembly for a microwave ablation instrument
US6607502B1 (en) 1998-11-25 2003-08-19 Atrionix, Inc. Apparatus and method incorporating an ultrasound transducer onto a delivery member
US6217528B1 (en) 1999-02-11 2001-04-17 Scimed Life Systems, Inc. Loop structure having improved tissue contact capability
US7226446B1 (en) 1999-05-04 2007-06-05 Dinesh Mody Surgical microwave ablation assembly
EP3369453B1 (en) 1999-05-11 2020-03-18 Atrionix, Inc. Medical device positioning system including a balloon anchor wire
US6758830B1 (en) 1999-05-11 2004-07-06 Atrionix, Inc. Catheter positioning system
US6277113B1 (en) 1999-05-28 2001-08-21 Afx, Inc. Monopole tip for ablation catheter and methods for using same
US6645199B1 (en) 1999-11-22 2003-11-11 Scimed Life Systems, Inc. Loop structures for supporting diagnostic and therapeutic elements contact with body tissue and expandable push devices for use with same
EP2712567A1 (en) 1999-11-22 2014-04-02 Boston Scientific Limited Loop structures for supporting diagnostic and therapeutic elements in contact with body tissue
US7033352B1 (en) 2000-01-18 2006-04-25 Afx, Inc. Flexible ablation instrument
US6628976B1 (en) 2000-01-27 2003-09-30 Biosense Webster, Inc. Catheter having mapping assembly
US7570982B2 (en) * 2000-01-27 2009-08-04 Biosense Webster, Inc. Catheter having mapping assembly
US6795721B2 (en) 2000-01-27 2004-09-21 Biosense Webster, Inc. Bidirectional catheter having mapping assembly
US6711428B2 (en) * 2000-01-27 2004-03-23 Biosense Webster, Inc. Catheter having mapping assembly
WO2001060432A1 (en) * 2000-02-15 2001-08-23 Eva Corporation Delivery catheter assembly and method of securing a surgical component to a vessel during a surgical procedure
US6953461B2 (en) 2002-05-16 2005-10-11 Tissuelink Medical, Inc. Fluid-assisted medical devices, systems and methods
EP1263341B1 (en) 2000-03-06 2008-06-11 Salient Surgical Technologies, Inc. Fluid delivery system and controller for electrosurgical devices
US8048070B2 (en) * 2000-03-06 2011-11-01 Salient Surgical Technologies, Inc. Fluid-assisted medical devices, systems and methods
US6558385B1 (en) 2000-09-22 2003-05-06 Tissuelink Medical, Inc. Fluid-assisted medical device
US6689131B2 (en) 2001-03-08 2004-02-10 Tissuelink Medical, Inc. Electrosurgical device having a tissue reduction sensor
US7811282B2 (en) * 2000-03-06 2010-10-12 Salient Surgical Technologies, Inc. Fluid-assisted electrosurgical devices, electrosurgical unit with pump and methods of use thereof
US6673068B1 (en) 2000-04-12 2004-01-06 Afx, Inc. Electrode arrangement for use in a medical instrument
AU2001251610A1 (en) 2000-04-13 2001-11-07 Ocean Spray Cranberries, Inc. Novel compositions derived from cranberry and grapefruit and therapeutic uses therefor
JP4754148B2 (ja) 2000-05-16 2011-08-24 アトリオニックス・インコーポレイテッド 超音波トランスデューサを配送部材に組み込む装置および方法
WO2001095820A1 (en) 2000-06-13 2001-12-20 Atrionix, Inc. Surgical ablation probe for forming a circumferential lesion
US7789876B2 (en) * 2000-08-14 2010-09-07 Tyco Healthcare Group, Lp Method and apparatus for positioning a catheter relative to an anatomical junction
US6669692B1 (en) * 2000-08-21 2003-12-30 Biosense Webster, Inc. Ablation catheter with cooled linear electrode
US6942661B2 (en) 2000-08-30 2005-09-13 Boston Scientific Scimed, Inc. Fluid cooled apparatus for supporting diagnostic and therapeutic elements in contact with tissue
US6926669B1 (en) * 2000-10-10 2005-08-09 Medtronic, Inc. Heart wall ablation/mapping catheter and method
US6475179B1 (en) 2000-11-10 2002-11-05 New England Medical Center Tissue folding device for tissue ablation, and method thereof
US6916306B1 (en) 2000-11-10 2005-07-12 Boston Scientific Scimed, Inc. Steerable loop structures for supporting diagnostic and therapeutic elements in contact with body tissue
US20020087151A1 (en) 2000-12-29 2002-07-04 Afx, Inc. Tissue ablation apparatus with a sliding ablation instrument and method
US6564096B2 (en) 2001-02-28 2003-05-13 Robert A. Mest Method and system for treatment of tachycardia and fibrillation
US6827714B2 (en) 2001-03-07 2004-12-07 Scimed Life Systems, Inc. Internal indifferent electrode device for use with lesion creation apparatus and method of forming lesions using the same
EP1435867B1 (en) 2001-09-05 2010-11-17 Salient Surgical Technologies, Inc. Fluid-assisted medical devices and systems
US6939350B2 (en) 2001-10-22 2005-09-06 Boston Scientific Scimed, Inc. Apparatus for supporting diagnostic and therapeutic elements in contact with tissue including electrode cooling device
US7753908B2 (en) 2002-02-19 2010-07-13 Endoscopic Technologies, Inc. (Estech) Apparatus for securing an electrophysiology probe to a clamp
US7674258B2 (en) * 2002-09-24 2010-03-09 Endoscopic Technologies, Inc. (ESTECH, Inc.) Electrophysiology electrode having multiple power connections and electrophysiology devices including the same
US7785324B2 (en) 2005-02-25 2010-08-31 Endoscopic Technologies, Inc. (Estech) Clamp based lesion formation apparatus and methods configured to protect non-target tissue
US7311708B2 (en) 2001-12-12 2007-12-25 Tissuelink Medical, Inc. Fluid-assisted medical devices, systems and methods
US7099717B2 (en) 2002-01-03 2006-08-29 Afx Inc. Catheter having improved steering
US6907298B2 (en) * 2002-01-09 2005-06-14 Medtronic, Inc. Method and apparatus for imparting curves in implantable elongated medical instruments
US20030158548A1 (en) 2002-02-19 2003-08-21 Phan Huy D. Surgical system including clamp and apparatus for securing an energy transmission device to the clamp and method of converting a clamp into an electrophysiology device
US7192427B2 (en) 2002-02-19 2007-03-20 Afx, Inc. Apparatus and method for assessing transmurality of a tissue ablation
US6932816B2 (en) 2002-02-19 2005-08-23 Boston Scientific Scimed, Inc. Apparatus for converting a clamp into an electrophysiology device
US6733499B2 (en) * 2002-02-28 2004-05-11 Biosense Webster, Inc. Catheter having circular ablation assembly
US20040106896A1 (en) * 2002-11-29 2004-06-03 The Regents Of The University Of California System and method for forming a non-ablative cardiac conduction block
US6932804B2 (en) 2003-01-21 2005-08-23 The Regents Of The University Of California System and method for forming a non-ablative cardiac conduction block
US6866662B2 (en) 2002-07-23 2005-03-15 Biosense Webster, Inc. Ablation catheter having stabilizing array
US20040034365A1 (en) * 2002-08-16 2004-02-19 Lentz David J. Catheter having articulation system
EP1572020A4 (en) 2002-10-29 2006-05-03 Tissuelink Medical Inc LIQUID SUPPORTED ELECTRO SURGICAL SHEARS AND METHOD
US7317950B2 (en) 2002-11-16 2008-01-08 The Regents Of The University Of California Cardiac stimulation system with delivery of conductive agent
US7142903B2 (en) 2003-03-12 2006-11-28 Biosense Webster, Inc. Catheter with contractable mapping assembly
US20040186467A1 (en) * 2003-03-21 2004-09-23 Swanson David K. Apparatus for maintaining contact between diagnostic and therapeutic elements and tissue and systems including the same
US20040249430A1 (en) * 2003-06-03 2004-12-09 Medtronic, Inc. Implantable medical electrical lead
US7789877B2 (en) * 2003-07-02 2010-09-07 St. Jude Medical, Atrial Fibrillation Division, Inc. Ablation catheter electrode arrangement
US7234225B2 (en) * 2003-09-22 2007-06-26 St. Jude Medical, Atrial Fibrillation Division, Inc. Method for manufacturing medical device having embedded traces and formed electrodes
US8147486B2 (en) * 2003-09-22 2012-04-03 St. Jude Medical, Atrial Fibrillation Division, Inc. Medical device with flexible printed circuit
US7229437B2 (en) * 2003-09-22 2007-06-12 St. Jude Medical, Atrial Fibrillation Division, Inc. Medical device having integral traces and formed electrodes
US7435248B2 (en) * 2003-09-26 2008-10-14 Boston Scientific Scimed, Inc. Medical probes for creating and diagnosing circumferential lesions within or around the ostium of a vessel
EP1680180B1 (en) * 2003-10-02 2007-02-28 Medtronic, Inc. Implantable medical lead and method of manufacture
US20050119653A1 (en) * 2003-12-02 2005-06-02 Swanson David K. Surgical methods and apparatus for forming lesions in tissue and confirming whether a therapeutic lesion has been formed
US7608072B2 (en) * 2003-12-02 2009-10-27 Boston Scientific Scimed, Inc. Surgical methods and apparatus for maintaining contact between tissue and electrophysiology elements and confirming whether a therapeutic lesion has been formed
US8002770B2 (en) 2003-12-02 2011-08-23 Endoscopic Technologies, Inc. (Estech) Clamp based methods and apparatus for forming lesions in tissue and confirming whether a therapeutic lesion has been formed
US8052676B2 (en) 2003-12-02 2011-11-08 Boston Scientific Scimed, Inc. Surgical methods and apparatus for stimulating tissue
CA2553940A1 (en) 2004-01-30 2005-08-18 Nmt Medical, Inc. Devices, systems, and methods for closure of cardiac openings
US7933661B2 (en) * 2004-02-04 2011-04-26 Medtronic, Inc. Lead retention means
US7727232B1 (en) 2004-02-04 2010-06-01 Salient Surgical Technologies, Inc. Fluid-assisted medical devices and methods
US7371233B2 (en) * 2004-02-19 2008-05-13 Boston Scientific Scimed, Inc. Cooled probes and apparatus for maintaining contact between cooled probes and tissue
DE102004014753B3 (de) * 2004-03-25 2005-11-24 Epcos Ag Keramisches Bauelement mit verbesserter Korrosionsbeständigkeit und Verfahren zur Herstellung
US8007495B2 (en) * 2004-03-31 2011-08-30 Biosense Webster, Inc. Catheter for circumferential ablation at or near a pulmonary vein
US7824408B2 (en) 2004-08-05 2010-11-02 Tyco Healthcare Group, Lp Methods and apparatus for coagulating and/or constricting hollow anatomical structures
US7549988B2 (en) 2004-08-30 2009-06-23 Boston Scientific Scimed, Inc. Hybrid lesion formation apparatus, systems and methods
US20070016272A1 (en) 2004-09-27 2007-01-18 Thompson Russell B Systems and methods for treating a hollow anatomical structure
US20060089637A1 (en) 2004-10-14 2006-04-27 Werneth Randell L Ablation catheter
US8617152B2 (en) 2004-11-15 2013-12-31 Medtronic Ablation Frontiers Llc Ablation system with feedback
US7429261B2 (en) 2004-11-24 2008-09-30 Ablation Frontiers, Inc. Atrial ablation catheter and method of use
US7468062B2 (en) 2004-11-24 2008-12-23 Ablation Frontiers, Inc. Atrial ablation catheter adapted for treatment of septal wall arrhythmogenic foci and method of use
US7862561B2 (en) * 2005-01-08 2011-01-04 Boston Scientific Scimed, Inc. Clamp based lesion formation apparatus with variable spacing structures
US7776033B2 (en) * 2005-01-08 2010-08-17 Boston Scientific Scimed, Inc. Wettable structures including conductive fibers and apparatus including the same
US7727231B2 (en) 2005-01-08 2010-06-01 Boston Scientific Scimed, Inc. Apparatus and methods for forming lesions in tissue and applying stimulation energy to tissue in which lesions are formed
US7892228B2 (en) * 2005-02-25 2011-02-22 Boston Scientific Scimed, Inc. Dual mode lesion formation apparatus, systems and methods
US7862562B2 (en) * 2005-02-25 2011-01-04 Boston Scientific Scimed, Inc. Wrap based lesion formation apparatus and methods configured to protect non-target tissue
US8932208B2 (en) 2005-05-26 2015-01-13 Maquet Cardiovascular Llc Apparatus and methods for performing minimally-invasive surgical procedures
US8016822B2 (en) 2005-05-28 2011-09-13 Boston Scientific Scimed, Inc. Fluid injecting devices and methods and apparatus for maintaining contact between fluid injecting devices and tissue
CN101309651B (zh) 2005-06-20 2011-12-07 麦德托尼克消融前沿有限公司 消融导管
US8834461B2 (en) 2005-07-11 2014-09-16 Medtronic Ablation Frontiers Llc Low power tissue ablation system
US8945151B2 (en) 2005-07-13 2015-02-03 Atricure, Inc. Surgical clip applicator and apparatus including the same
EP1906853B1 (en) 2005-07-21 2017-09-06 Covidien LP Systems for treating a hollow anatomical structure
US7879030B2 (en) * 2005-07-27 2011-02-01 St. Jude Medical, Atrial Fibrillation Division, Inc. Multipolar, virtual-electrode catheter with at least one surface electrode and method for ablation
US8657814B2 (en) 2005-08-22 2014-02-25 Medtronic Ablation Frontiers Llc User interface for tissue ablation system
US9259267B2 (en) 2005-09-06 2016-02-16 W.L. Gore & Associates, Inc. Devices and methods for treating cardiac tissue
US7797056B2 (en) 2005-09-06 2010-09-14 Nmt Medical, Inc. Removable intracardiac RF device
US20070088388A1 (en) * 2005-09-19 2007-04-19 Opolski Steven W Delivery device for implant with dual attachment sites
US20070244371A1 (en) * 2006-04-04 2007-10-18 Nguyen Hoa D Phlebectomy illumination device and methods
US20080161799A1 (en) * 2006-12-29 2008-07-03 Todd Stangenes Position independent catheter
US8641704B2 (en) 2007-05-11 2014-02-04 Medtronic Ablation Frontiers Llc Ablation therapy system and method for treating continuous atrial fibrillation
US11395694B2 (en) 2009-05-07 2022-07-26 St. Jude Medical, Llc Irrigated ablation catheter with multiple segmented ablation electrodes
US10220187B2 (en) 2010-06-16 2019-03-05 St. Jude Medical, Llc Ablation catheter having flexible tip with multiple flexible electrode segments
EP2209517A4 (en) 2007-10-05 2011-03-30 Maquet Cardiovascular Llc DEVICES AND METHODS FOR MINIMALLY INVASIVE SURGICAL PROCEDURES
EP2227174B1 (en) 2007-12-28 2019-05-01 Salient Surgical Technologies, Inc. Fluid-assisted electrosurgical device
JP5169551B2 (ja) * 2008-07-07 2013-03-27 日本ゼオン株式会社 電極カテーテル
US9254168B2 (en) 2009-02-02 2016-02-09 Medtronic Advanced Energy Llc Electro-thermotherapy of tissue using penetrating microelectrode array
EP2398416B1 (en) 2009-02-23 2015-10-28 Medtronic Advanced Energy LLC Fluid-assisted electrosurgical device
US20100280328A1 (en) * 2009-05-01 2010-11-04 Tyco Healthcare Group, Lp Methods and systems for illumination during phlebectomy procedures
CN102470240B (zh) * 2009-07-24 2015-09-09 沙皮恩斯脑部刺激控制有限公司 用于电刺激的医疗设备
WO2011031748A1 (en) 2009-09-08 2011-03-17 Salient Surgical Technologies, Inc. Cartridge assembly for electrosurgical devices, electrosurgical unit and methods of use thereof
WO2011112991A1 (en) 2010-03-11 2011-09-15 Salient Surgical Technologies, Inc. Bipolar electrosurgical cutter with position insensitive return electrode contact
US9795765B2 (en) 2010-04-09 2017-10-24 St. Jude Medical International Holding S.À R.L. Variable stiffness steering mechanism for catheters
US12076074B2 (en) 2010-04-26 2024-09-03 Medtronic Holding Company Sàrl Electrosurgical device and methods
US9173700B2 (en) 2010-04-26 2015-11-03 9234438 Canada Inc. Electrosurgical device and methods
US20110295249A1 (en) * 2010-05-28 2011-12-01 Salient Surgical Technologies, Inc. Fluid-Assisted Electrosurgical Devices, and Methods of Manufacture Thereof
US9138289B2 (en) 2010-06-28 2015-09-22 Medtronic Advanced Energy Llc Electrode sheath for electrosurgical device
US8920417B2 (en) 2010-06-30 2014-12-30 Medtronic Advanced Energy Llc Electrosurgical devices and methods of use thereof
US8906012B2 (en) 2010-06-30 2014-12-09 Medtronic Advanced Energy Llc Electrosurgical devices with wire electrode
US9023040B2 (en) 2010-10-26 2015-05-05 Medtronic Advanced Energy Llc Electrosurgical cutting devices
US9427281B2 (en) 2011-03-11 2016-08-30 Medtronic Advanced Energy Llc Bronchoscope-compatible catheter provided with electrosurgical device
EP2755574A1 (en) * 2011-09-13 2014-07-23 Stryker Corporation Vaso-occlusive device
US9750565B2 (en) 2011-09-30 2017-09-05 Medtronic Advanced Energy Llc Electrosurgical balloons
US8870864B2 (en) 2011-10-28 2014-10-28 Medtronic Advanced Energy Llc Single instrument electrosurgery apparatus and its method of use
US9226792B2 (en) 2012-06-12 2016-01-05 Medtronic Advanced Energy Llc Debridement device and method
WO2014010041A1 (ja) * 2012-07-11 2014-01-16 テルモ株式会社 医療用デバイス
US11234760B2 (en) 2012-10-05 2022-02-01 Medtronic Advanced Energy Llc Electrosurgical device for cutting and removing tissue
CN102908191A (zh) 2012-11-13 2013-02-06 陈绍良 多极同步肺动脉射频消融导管
US12082868B2 (en) 2012-11-13 2024-09-10 Pulnovo Medical (Wuxi) Co., Ltd. Multi-pole synchronous pulmonary artery radiofrequency ablation catheter
US11241267B2 (en) 2012-11-13 2022-02-08 Pulnovo Medical (Wuxi) Co., Ltd Multi-pole synchronous pulmonary artery radiofrequency ablation catheter
US9827036B2 (en) 2012-11-13 2017-11-28 Pulnovo Medical (Wuxi) Co., Ltd. Multi-pole synchronous pulmonary artery radiofrequency ablation catheter
US10260181B2 (en) 2013-01-14 2019-04-16 Lake Region Medical, Inc. Directional mesh and associated systems
US20140200639A1 (en) * 2013-01-16 2014-07-17 Advanced Neuromodulation Systems, Inc. Self-expanding neurostimulation leads having broad multi-electrode arrays
US9877707B2 (en) 2013-03-07 2018-01-30 Kyphon SÀRL Systems and methods for track coagulation
EP4331519A3 (en) 2013-03-15 2024-07-10 Medtronic Holding Company Sàrl A system for treating tissue
US9855404B2 (en) 2013-05-03 2018-01-02 St. Jude Medical International Holding S.À R.L. Dual bend radii steering catheter
JP6203951B2 (ja) 2013-10-31 2017-09-27 ボストン サイエンティフィック サイムド，インコーポレイテッドＢｏｓｔｏｎ Ｓｃｉｅｎｔｉｆｉｃ Ｓｃｉｍｅｄ，Ｉｎｃ． 局所一致を使用する高解像度マッピング用の医療用デバイス
WO2015066322A1 (en) 2013-11-01 2015-05-07 Boston Scientific Scimed, Inc. Cardiac mapping using latency interpolation
US10314647B2 (en) 2013-12-23 2019-06-11 Medtronic Advanced Energy Llc Electrosurgical cutting instrument
US10813686B2 (en) 2014-02-26 2020-10-27 Medtronic Advanced Energy Llc Electrosurgical cutting instrument
US9182758B1 (en) * 2014-02-28 2015-11-10 Michael H S Dunlop Computer-implemented system and method for capability zone-based manufacturing quality control
WO2015134276A1 (en) 2014-03-07 2015-09-11 Boston Scientific Scimed, Inc. Medical devices for mapping cardiac tissue
CN106102574A (zh) 2014-03-11 2016-11-09 波士顿科学医学有限公司 用于标测心脏组织的医疗装置
SG11201700223PA (en) * 2014-07-11 2017-02-27 Pulnovo Medical Wuxi Co Ltd Multi-pole synchronous pulmonary artery radiofrequency ablation catheter
US9974599B2 (en) 2014-08-15 2018-05-22 Medtronic Ps Medical, Inc. Multipurpose electrosurgical device
EP3220841B1 (en) 2014-11-19 2023-01-25 EPiX Therapeutics, Inc. High-resolution mapping of tissue with pacing
CA2967824A1 (en) 2014-11-19 2016-05-26 Advanced Cardiac Therapeutics, Inc. Ablation devices, systems and methods of using a high-resolution electrode assembly
EP3808298B1 (en) 2014-11-19 2023-07-05 EPiX Therapeutics, Inc. Systems for high-resolution mapping of tissue
CA2975389A1 (en) 2015-02-18 2016-08-25 Medtronic Xomed, Inc. Rf energy enabled tissue debridement device
US10188456B2 (en) 2015-02-18 2019-01-29 Medtronic Xomed, Inc. Electrode assembly for RF energy enabled tissue debridement device
US10376302B2 (en) 2015-02-18 2019-08-13 Medtronic Xomed, Inc. Rotating electrical connector for RF energy enabled tissue debridement device
US9636164B2 (en) 2015-03-25 2017-05-02 Advanced Cardiac Therapeutics, Inc. Contact sensing systems and methods
US11389227B2 (en) 2015-08-20 2022-07-19 Medtronic Advanced Energy Llc Electrosurgical device with multivariate control
US11051875B2 (en) 2015-08-24 2021-07-06 Medtronic Advanced Energy Llc Multipurpose electrosurgical device
US10441339B2 (en) 2015-11-17 2019-10-15 Medtronic Holding Company Sárl Spinal tissue ablation apparatus, system, and method
US10716612B2 (en) 2015-12-18 2020-07-21 Medtronic Advanced Energy Llc Electrosurgical device with multiple monopolar electrode assembly
AU2017235224A1 (en) 2016-03-15 2018-11-08 Epix Therapeutics, Inc. Improved devices, systems and methods for irrigated ablation
US20180228393A1 (en) * 2017-02-15 2018-08-16 Biosense Webster (Israel) Ltd. Electrophysiologic device construction
EP3614946B1 (en) 2017-04-27 2024-03-20 EPiX Therapeutics, Inc. Determining nature of contact between catheter tip and tissue
WO2018204586A1 (en) * 2017-05-05 2018-11-08 Cryterion Medical, Inc. Corewire for mapping catheter for intravascular catheter system
CN107349010A (zh) * 2017-07-07 2017-11-17 昆山雷盛医疗科技有限公司 射频消融探头及其制备方法
US12023082B2 (en) 2017-10-06 2024-07-02 Medtronic Advanced Energy Llc Hemostatic thermal sealer
CN111067617A (zh) * 2019-12-27 2020-04-28 苏州恒瑞宏远医疗科技有限公司 射频闭合导管及其制作方法
WO2025178013A1 (ja) * 2024-02-20 2025-08-28 株式会社カネカ 電極カテーテル
CN118078418A (zh) * 2024-03-29 2024-05-28 苏州恒瑞宏远医疗科技有限公司 一种射频消融装置及射频消融导管

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4633889A (en) * 1984-12-12 1987-01-06 Andrew Talalla Stimulation of cauda-equina spinal nerves
US4960133A (en) * 1988-11-21 1990-10-02 Brunswick Manufacturing Co., Inc. Esophageal electrode
US5016808A (en) * 1989-09-14 1991-05-21 Cardiac Pacemakers, Inc. Implantable tapered spiral endocardial lead for use in internal defibrillation
US5254088A (en) * 1990-02-02 1993-10-19 Ep Technologies, Inc. Catheter steering mechanism
US5334193A (en) * 1992-11-13 1994-08-02 American Cardiac Ablation Co., Inc. Fluid cooled ablation catheter
WO1995010318A1 (en) * 1993-10-14 1995-04-20 Ep Technologies, Inc. Electrode elements for forming lesion patterns
US5545193A (en) * 1993-10-15 1996-08-13 Ep Technologies, Inc. Helically wound radio-frequency emitting electrodes for creating lesions in body tissue
US5676662A (en) * 1995-03-17 1997-10-14 Daig Corporation Ablation catheter

Also Published As

Publication number Publication date
CA2237563A1 (en) 1997-05-22
DE69621845D1 (de) 2002-07-18
ES2176512T3 (es) 2002-12-01
JP2000500363A (ja) 2000-01-18
EP0955917B1 (en) 2002-06-12
WO1997017904A1 (en) 1997-05-22
JP3756522B2 (ja) 2006-03-15
EP0955917A4 (OSRAM) 1999-11-17
US5797905A (en) 1998-08-25
EP0955917A1 (en) 1999-11-17
DE69621845T2 (de) 2003-01-02

Similar Documents

Publication Publication Date Title
CA2237563C (en) Flexible tissue ablation elements for making long lesions
US6030382A (en) Flexible tissue ablatin elements for making long lesions
WO1997017904A9 (en) Flexible tissue ablation elements for making long lesions
US5910129A (en) Catheter distal assembly with pull wires
US6203525B1 (en) Catheterdistal assembly with pull wires
US6048329A (en) Catheter distal assembly with pull wires
US7063682B1 (en) Catheter distal assembly with pull wires
US6245068B1 (en) Resilient radiopaque electrophysiology electrodes and probes including the same
US6711444B2 (en) Methods of deploying helical diagnostic and therapeutic element supporting structures within the body
US6745080B2 (en) Helical and pre-oriented loop structures for supporting diagnostic and therapeutic elements in contact with body tissue
US7331960B2 (en) Linear ablation assembly
US5895417A (en) Deflectable loop design for a linear lesion ablation apparatus
US6613046B1 (en) Loop structures for supporting diagnostic and therapeutic elements in contact with body tissue
US6217528B1 (en) Loop structure having improved tissue contact capability
US6171306B1 (en) Systems and methods for forming large lesions in body tissue using curvilinear electrode elements
US6542781B1 (en) Loop structures for supporting diagnostic and therapeutic elements in contact with body tissue
EP1233716A2 (en) Loop structures for supporting diagnostic and therapeutic elements in contact with body tissue
JP2005512609A (ja) 螺旋状に形成した電気生理現象カテーテル
EP1027090B1 (en) Catheter distal assembly with pull wires

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20161108