Fluid cooled ablation catheter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5334193
SERIAL NO

07975662

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A thin, elongate and flexible ablation catheter, suitable for delivery to an internal organ, comprises a fluid delivery lumen centrally located within the catheter, and first and second electrodes disposed on an outer surface of the catheter. The electrodes preferably are helically oriented about the catheter. At least one of the electrodes is in communication with a source of electrosurgical energy so as to deliver ablative electrosurgical energy to tissue. The lumen communicates with a fluid supply source such that fluid is conveyed through the lumen and is discharged to adjacent tissue during the delivery of ablative energy. The fluid delivered through the lumen assists in optimizing the electrode temperature. A method and apparatus is also provided to regulate the fluid flow rate based on monitored electrode temperature and/or tissue impedance.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
American Cardiac Ablation Co. Inc.TAUNTON, MA5

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nardella, Paul C North Easton, MA 28 9075

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
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8882756 Fluid-assisted electrosurgical devices, methods and systems 11 2008
8632533 Fluid-assisted electrosurgical device 10 2010
9254168 Electro-thermotherapy of tissue using penetrating microelectrode array 2 2010
9138289 Electrode sheath for electrosurgical device 1 2010
8906012 Electrosurgical devices with wire electrode 4 2010
9345541 Cartridge assembly for electrosurgical devices, electrosurgical unit and methods of use thereof 0 2010
8361068 Fluid-assisted electrosurgical devices, electrosurgical unit with pump and methods of use thereof 21 2010
9023040 Electrosurgical cutting devices 0 2010
9592090 Bipolar electrosurgical cutter with position insensitive return electrode contact 0 2011
9427281 Bronchoscope-compatible catheter provided with electrosurgical device 0 2011
9750565 Electrosurgical balloons 0 2011
8870864 Single instrument electrosurgery apparatus and its method of use 0 2011
9381061 Fluid-assisted medical devices, systems and methods 0 2011
8920417 Electrosurgical devices and methods of use thereof 4 2012
* 9333027 Method of producing an electrosurgical device 0 2013
* 2014/0026,395 FLUID-ASSISTED ELECTROSURGICAL DEVICES, AND METHODS OF MANUFACTURE THEREOF 0 2013
9486283 Fluid-assisted electrosurgical device 0 2013
9445858 Bipolar electrosurgical device 0 2014
 
CAREFUSION 2200, INC. (1)
9717551 Intravertebral tissue ablation device and method 0 2013
 
American Cardiac Ablation Co. Inc. (1)
* 5733281 Ultrasound and impedance feedback system for use with electrosurgical instruments 129 1996
 
EPICOR, INC. (1)
* 6161543 Methods of epicardial ablation for creating a lesion around the pulmonary veins 656 1997
 
THE JOHNS HOPKINS UNIVERSITY (5)
7155271 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures 138 2003
* 2003/0199,755 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures 43 2003
7412276 Brain therapy 24 2004
8099151 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures 4 2005
9301705 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures 0 2011
 
PROJECT TROJAN INTELLECTUAL PROPERTY ACQUISITION, LLC (2)
* 6887237 Method for treating tissue with a wet electrode and apparatus for using same 48 2002
* 2004/0015,162 Method for treating tissue with a wet electrode and apparatus for using same 33 2002
 
THE GENERAL HOSPITPAL CORP. D/B/A MASSACHUSETTS GENERAL HOSPITAL (2)
7935107 Heads for dermatology treatment 20 2010
8109924 Heads for dermatology treatment 5 2011
 
ATRICURE, INC. (3)
* 8353907 Ablation device with internally cooled electrodes 1 2008
* 2009/0163,905 ABLATION DEVICE WITH INTERNALLY COOLED ELECTRODES 6 2008
8998892 Ablation device with cooled electrodes and methods of use 0 2010
 
BIOSENSE WEBSTER (ISRAEL) LTD. (2)
* 9131981 Catheter with helical electrode 0 2013
* 2013/0150,847 CATHETER WITH HELICAL ELECTRODE 0 2013
 
Dorsal Orthopedic Corporation (1)
* 5458596 Method and apparatus for controlled contraction of soft tissue 789 1994
 
AthroCare Corporation (1)
8317786 System, method and apparatus for electrosurgical instrument with movable suction sheath 9 2009
 
BOSTON SCIENTIFIC SCIMED, INC. (78)
* 5697927 Catheter for RF ablation with cooled electrode and apparatus for use therewith 455 1994
* 5423811 Method for RF ablation using cooled electrode 651 1994
* 5658278 Catheter for RF ablation with cooled electrode and method 418 1995
* 5800482 Apparatus and method for linear lesion ablation 456 1996
* 6235022 RF generator and pump apparatus and system and method for cooled ablation 137 1996
* 5860974 Heart ablation catheter with expandable electrode and method of coupling energy to an electrode on a catheter shaft 747 1997
* 5868735 Cryoplasty device and method 294 1997
6241666 Ablation catheter tip with a buffer layer covering the electrode 108 1997
* 6010500 Telescoping apparatus and method for linear lesion ablation 214 1997
* 5895417 Deflectable loop design for a linear lesion ablation apparatus 373 1997
* 6015407 Combination linear ablation and cooled tip RF catheters 125 1998
* 6119041 Apparatus and method for linear lesion ablation 86 1998
6290696 Cryoplasty device and method 169 1999
7220257 Cryotreatment device and method 87 2000
6579288 Fluid cooled apparatus for supporting diagnostic and therapeutic elements in contact with tissue 145 2000
6942661 Fluid cooled apparatus for supporting diagnostic and therapeutic elements in contact with tissue 82 2001
6569162 Passively self-cooled electrode design for ablation catheters 63 2001
6540743 Resilient radiopaque electrophysiology electrodes and probes including the same 4 2001
6666858 Cryo balloon for atrial ablation 151 2001
6648878 Cryoplasty device and method 113 2001
6939350 Apparatus for supporting diagnostic and therapeutic elements in contact with tissue including electrode cooling device 28 2001
6709431 Cryo-temperature monitoring 70 2001
6989009 Cryo balloon 132 2002
6814731 Methods for RF ablation using jet injection of conductive fluid 26 2002
7303558 Fluid cooled apparatus for supporting diagnostic and therapeutic elements in contact with tissue 50 2002
6929639 Cryo ablation coil 93 2002
* 2003/0208,252 Mri ablation catheter 31 2002
* 2003/0130,653 Electrosurgical tissue removal with a selectively insulated electrode 43 2002
* 2004/0167,466 Delivering cooled fluid to sites inside the body 11 2003
* 2004/0186,467 Apparatus for maintaining contact between diagnostic and therapeutic elements and tissue and systems including the same 41 2003
7938828 Cooled ablation catheter 16 2003
* 2004/0193,149 Cooled ablation catheter 8 2003
* 6986767 Multi-function surgical instrument 2 2003
* 2003/0212,389 Multi-function surgical instrument 3 2003
7022120 Cryoplasty device and method 87 2003
7736362 Catheter balloons 88 2003
* 2005/0059,965 Catheter balloons 74 2003
7101368 Cryo balloon for atrial ablation 98 2003
* 2004/0143,249 Cryo balloon for atrial ablation 2 2003
8052676 Surgical methods and apparatus for stimulating tissue 0 2003
7608072 Surgical methods and apparatus for maintaining contact between tissue and electrophysiology elements and confirming whether a therapeutic lesion has been formed 15 2003
* 7347859 Tissue treatment system and method for tissue perfusion using feedback control 36 2003
* 2005/0137,659 Tissue treatment system and method for tissue perfusion using feedback control 11 2003
7371233 Cooled probes and apparatus for maintaining contact between cooled probes and tissue 34 2004
* 2005/0187,544 Cooled probes and apparatus for maintaining contact between cooled probes and tissue 20 2004
8235976 Cryo-temperature monitoring 0 2004
* 2006/0025,840 Cooling tissue inside the body 3 2004
* 7632266 Endoscopic devices and related methods of use 3 2005
* 2006/0079,873 Endoscopic devices and related methods of use 19 2005
7674256 Treating internal body tissue 7 2005
7189227 Cryo balloon 70 2005
* 2005/0182,395 Cryo balloon 12 2005
7172589 Cryo ablation coil 62 2005
* 2005/0182,396 Cryo ablation coil 1 2005
8894642 Irrigated catheter 0 2005
8016822 Fluid injecting devices and methods and apparatus for maintaining contact between fluid injecting devices and tissue 9 2005
7850681 Cryoplasty device and method 18 2006
7485109 Targeted cooling of tissue within a body 0 2006
* 2006/0142,827 Targeted cooling of tissue within a body 6 2006
* 2006/0142,826 Targeted cooling of tissue within a body 0 2006
8012147 Cryotreatment device and method 65 2007
* 2007/0250,050 CRYOTREATMENT DEVICE AND METHOD 41 2007
9757188 Tissue treatment system and method for tissue perfusion using feedback control 0 2008
* 2008/0221,562 TISSUE TREATMENT SYSTEM AND METHOD FOR TISSUE PERFUSION USING FEEDBACK CONTROL 1 2008
8454597 Endoscopic devices and related methods of use 1 2009
* 2010/0125,272 Endoscopic Devices And Related Methods Of Use 3 2009
8088125 Cryoplasty device and method 20 2010
8409266 Cryotreatment device and method 4 2011
9603659 Ablation device with ionically conductive balloon 0 2012
8845707 Cryotreatment device and method 0 2013
* 2013/0274,737 RENAL NERVE MODULATION CATHETER DESIGN 15 2013
9421063 Endoscopic devices and related methods of use 0 2013
9770293 Systems and methods for treating tissue of a passageway within a body 0 2013
9370329 Map and ablate closed-loop cooled ablation catheter 1 2013
* 9393072 Map and ablate open irrigated hybrid catheter 3 2014
9757191 Electrophysiology system and methods 0 2014
9463064 Ablation device with multiple ablation modes 1 2015
9743854 Real-time morphology analysis for lesion assessment 0 2015
 
EDWARDS, STUART (1)
* 6419673 Ablation of rectal and other internal body structures 47 2000
 
E.P. LIMITED (1)
* 6328735 Thermal ablation system 61 1998
 
GYRUS MEDICAL LIMITED (20)
6293942 Electrosurgical generator method 624 1996
6015406 Electrosurgical instrument 517 1996
6004319 Electrosurgical instrument 565 1996
6027501 Electrosurgical instrument 535 1996
6013076 Electrosurgical instrument 434 1996
5944715 Electrosurgical instrument 611 1996
6093186 Electrosurgical generator and system 574 1997
6416509 Electrosurgical generator and system 556 1998
6090106 Electrosurgical instrument 477 1998
6056746 Electrosurgical instrument 663 1998
6364877 Electrosurgical generator and system 484 1998
6306134 Electrosurgical generator and system 543 1998
6261286 Electrosurgical generator and system 522 1998
6210405 Under water treatment 115 1998
6277114 Electrode assembly for an electrosurical instrument 318 1999
6174308 Electrosurgical instrument 316 1999
6234178 Electrosurgical instrument 382 1999
6780180 Electrosurgical instrument 422 2000
6565561 Electrosurgical instrument 50 2000
6482202 Under water treatment 147 2001
 
UNITED STATES SURGICAL CORPORATION (4)
* 6106521 Apparatus for thermal treatment of tissue 149 1996
* 5995875 Apparatus for thermal treatment of tissue 105 1997
6402742 Controller for thermal treatment of tissue 188 2000
6428538 Apparatus and method for thermal treatment of body tissue 74 2000
 
PHILIPS ELECTRONICS NORTH AMERICA CORPORATION;INTELLECTUAL PROPERTY & STANDARDS (4)
6843800 Patient temperature regulation method and apparatus 17 1999
6379378 Lumen design for catheter 106 2000
6991645 Patient temperature regulation method and apparatus 1 2002
7101386 Patient temperature regulation method and apparatus 25 2002
 
TYCO HEALTHCARE GROUP LP (1)
7972328 System and method for tissue sealing 46 2007
 
TYCO HEALTHCARE GROUP AG (13)
* 5776130 Vascular tissue sealing pressure control 633 1995
6312426 Method and system for performing plate type radiofrequency ablation 70 1997
6280441 Apparatus and method for RF lesioning 268 1997
6179834 Vascular tissue sealing pressure control and method 280 1998
* 6039733 Method of vascular tissue sealing pressure control 636 1998
6575969 Cool-tip radiofrequency thermosurgery electrode system for tumor ablation 709 2000
* 6506189 Cool-tip electrode thermosurgery system 453 2000
6881214 Ablation treatment of bone metastases 84 2002
7300435 Automatic control system for an electrosurgical generator 360 2003
7255694 Variable output crest factor electrosurgical generator 76 2003
7480533 Ablation treatment of bone metastases 67 2005
* 2005/0192,564 Ablation treatment of bone metastases 87 2005
7282049 Electrosurgical system employing multiple electrodes and method thereof 138 2005
 
Advanced Neuromodulation Systems, Inc. (1)
6208881 Catheter with thin film electrodes and method for making same 114 1998
 
Philadelphia Heart Institute (2)
* 5447529 Method of using endocardial impedance for determining electrode-tissue contact, appropriate sites for arrhythmia ablation and tissue heating during ablation 135 1994
* 5562721 Method of using endocardial impedance for assessing tissue heating during ablation 89 1995
 
E-WATCH, INC. (1)
8201563 Method for introducing materials into a body 8 2006
 
Mederi Therapeutics, Inc. (20)
* 6273886 Integrated tissue heating and cooling apparatus 470 1999
* 7585296 Method to treat gastric reflux via the detection and ablation of gastro-esophageal nerves and receptors 28 2005
8696660 Devices, systems and methods for treating tissue regions of the body 0 2007
* 2007/0161,966 Devices, systems and methods for treating tissue regions of the body 11 2007
8906010 Graphical user interface for association with an electrode structure deployed in contact with a tissue region 6 2007
8870862 Method to treat gastric reflux via the detection and ablation of gastro-esophageal nerves and receptors 0 2009
* 2010/0004,648 Method to treat gastric reflux via the detection and ablation of gastro-esophageal nerves and receptors 30 2009
8728074 Devices, systems and methods for treating tissue regions of the body 9 2009
* 2010/0057,080 Devices, systems and methods for treating tissue regions of the body 26 2009
* 2011/0077,550 Systems and methods for treating tissue regions of the body 5 2010
9310956 Systems and methods for controlling use and operation of a family of different treatment devices 0 2012
9292152 Systems and methods for controlling use and operation of a family of different treatment devices 0 2012
9448681 Systems and methods for controlling use and operation of a family of different treatment devices 0 2012
9495059 Systems and methods for controlling use and operation of a family of different treatment devices 0 2012
9474565 Systems and methods for treating tissue with radiofrequency energy 0 2013
9737360 Devices, systems and methods for treating tissue regions of the body 0 2014
9750563 Systems and methods for treating tissue with radiofrequency energy 0 2015
9675404 Systems and methods for treating tissue with radiofrequency energy 0 2015
9775664 Systems and methods for treating tissue with radiofrequency energy 0 2015
9513761 Systems and methods for controlling use of treatment devices 0 2015
 
SALIENT SURGICAL TECHNOLOGIES, INC. (1)
7727232 Fluid-assisted medical devices and methods 4 2005
 
SCIMED LIFE SYSTEMS, INC. (4)
* 5680860 Mapping and/or ablation catheter with coilable distal extremity and method for using same 492 1995
* 2005/0261,571 3-D ultrasound navigation during radio-frequency ablation 17 2004
* 2005/0049,583 Systems and methods for RF ablation using jet injection of a conductive fluid 35 2004
* 2006/0178,663 Cryoplasty device and method 3 2006
 
RESPIRATORY DIAGNOSTICS, INC. (2)
7122031 Graphical user interface for association with an electrode structure deployed in contact with a tissue region 165 2001
* 2002/0068,932 Graphical user interface for association with an electrode structure deployed in contact with a tissue region 11 2001
 
STARMED CO., LTD (1)
* 9782213 Overlapping bipolar electrode for high-frequency heat treatment 0 2013
 
INNERCOOL THERAPIES, INC. (2)
6254626 Articulation device for selective organ cooling apparatus 117 1998
* 2004/0087,934 Method and device for performing cooling- or cryo-therapies for, E.G., angioplasty with reduced restenosis or pulmonary vein cell necrosis to inhibit atrial fibrillation 14 2003
 
TRANSAMERICA BUSINESS CREDIT CORPORATION (1)
* 6002956 Method of treating using an over-the-wire EP catheter 50 1997
 
ECLIPSE SURGICAL TECHNOLOGIES, INC. (2)
6267757 Revascularization with RF ablation 41 1997
* 6156031 Transmyocardial revascularization using radiofrequency energy 66 1998
 
TEAM MEDICAL, LLC (1)
* 5554172 Directed energy surgical method and assembly 133 1995
 
GE MARQUETTE MEDICAL SYSTEMS, INC. (1)
* 5743859 Integrated electrical signal switching and amplifying system 12 1996
 
SEEDLING ENTERPRISES, INC. (1)
* 5647871 Electrosurgery with cooled electrodes 557 1995
 
Webster, Cordis (1)
* 6217574 System and method for measuring subsurface temperature of tissue during ablation 95 1999
 
Xenogen Corporation (24)
7403812 Method and apparatus for determining target depth, brightness and size within a body region 10 2002
7616985 Method and apparatus for 3-D imaging of internal light sources 6 2003
* 2004/0021,771 Method and apparatus for 3-D imaging of internal light sources 29 2003
7797034 3-D in-vivo imaging and topography using structured light 4 2005
7298415 Structured light imaging apparatus 13 2005
* 2005/0201,614 3-D in-vivo imaging and topography using structured light 6 2005
8044996 Surface construction using combined photographic and structured light information 3 2006
* 2006/0268,153 Surface contruction using combined photographic and structured light information 30 2006
7599731 Fluorescent light tomography 8 2007
* 2007/0253,908 FLUORESCENT LIGHT TOMOGRAPHY 14 2007
7764986 Method and apparatus for determining target depth, brightness and size within a body region 1 2007
7603167 Method and apparatus for 3-D imaging of internal light sources 7 2007
7555332 Fluorescent light tomography 7 2007
* 2008/0018,899 METHOD AND APPARATUS FOR 3-D IMAGING OF INTERNAL LIGHT SOURCES 1 2007
* 2007/0270,697 METHOD AND APPARATUS FOR DETERMINING TARGET DEPTH, BRIGHTNESS AND SIZE WITHIN A BODY REGION 0 2007
* 2008/0052,052 APPARATUS AND METHODS FOR DETERMINING OPTICAL TISSUE PROPERTIES 2 2007
8279334 Structured light imaging apparatus 0 2007
* 2008/0079,802 STRUCTURED LIGHT IMAGING APPARATUS 4 2007
7860549 Method and apparatus for 3-D imaging of internal light sources 1 2009
8180435 Method and apparatus for determining target depth, brightness and size within a body region 1 2010
* 2010/0262,019 METHOD AND APPARATUS FOR DETERMINING TARGET DEPTH, BRIGHTNESS AND SIZE WITHIN A BODY REGION 0 2010
8909326 Method and apparatus for 3-D imaging of internal light sources 0 2010
* 2011/0090,316 METHOD AND APPARATUS FOR 3-D IMAGING OF INTERNAL LIGHT SOURCES 1 2010
8825140 Imaging system 1 2012
 
BIONIX DEVELOPMENT CORPORATION AND THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (1)
* 2005/0251,235 Apparatus for hyperthermia and brachytherapy delivery 9 2005
 
Co-Repair, Inc. (5)
7455670 System and method for the treatment of heart tissue 3 2005
* 2006/0161,229 System and method for the treatment of heart tissue 1 2005
* 2007/0156,210 Method for the treatment of heart tissue 1 2006
* 2007/0156,209 System for the treatment of heart tissue 1 2006
* 2009/0287,204 System And Method For The Treatment Of Heart Tissue 1 2008
 
CARDIAC PATHWAYS CORPORATION (1)
* 5997532 Ablation catheter tip with a buffer layer covering the electrode 84 1997
 
SMITH & NEPHEW, INC. (6)
7150747 Electrosurgical cutter 46 2003
7655003 Electrosurgical power control 21 2005
8052675 Electrosurgical power control 4 2010
* 2010/0121,317 Electrosurgical Power Control 10 2010
8348934 Electrosurgical power control 0 2011
8603082 Electrosurgical power control 1 2012
 
EP Technologies, Inc. (43)
* 5577509 Systems and methods for examining the electrical characteristics and timing of electrical events in cardiac tissue 25 1994
* 5800432 Systems and methods for actively cooling ablation electrodes using diodes 113 1995
* 5735846 Systems and methods for ablating body tissue using predicted maximum tissue temperature 324 1995
7048734 Systems and methods for electronically altering the energy emitting characteristics of an electrode array to create different lesion patterns in body tissue 87 1995
* 6001093 Systems and methods for creating long, thin lesions in body tissue 136 1995
* 5871525 Steerable ablation catheter system 251 1995
* 5732698 Systems for examining the electrical characteristics of cardiac tissue while minimizing contact with blood within the heart 115 1995
* 5925038 Expandable-collapsible electrode structures for capacitive coupling to tissue 232 1996
* 5891135 Stem elements for securing tubing and electrical wires to expandable-collapsible electrode structures 197 1996
* 5891136 Expandable-collapsible mesh electrode structures 301 1996
* 5871483 Folding electrode structures 279 1996
* 5853411 Enhanced electrical connections for electrode structures 141 1996
* 5846238 Expandable-collapsible electrode structures with distal end steering or manipulation 272 1996
* 5836874 Multi-function electrode structures for electrically analyzing and heating body tissue 307 1996
* 6071278 Tissue heating and ablation systems and methods using porous electrode structures with specified electrical resistivities 90 1996
* 5961513 Tissue heating and ablation systems and methods using porous electrode structures 133 1996
* 5879348 Electrode structures formed from flexible, porous, or woven materials 154 1996
* 5868736 Systems and methods to control tissue heating or ablation with porous electrode structures 70 1996
* 5846239 Tissue heating and ablation systems and methods using segmented porous electrode structures 129 1996
* 5840076 Tissue heating and ablation systems and methods using electrode structures with distally oriented porous regions 146 1996
* 5830213 Systems for heating and ablating tissue using multifunctional electrode structures 198 1996
* 5797903 Tissue heating and ablation systems and methods using porous electrode structures with electrically conductive surfaces 268 1996
* 5871523 Helically wound radio-frequency emitting electrodes for creating lesions in body tissue 335 1996
6241754 Composite structures and methods for ablating tissue to form complex lesion patterns in the treatment of cardiac conditions and the like 186 1996
* 6146379 Systems and methods for creating curvilinear lesions in body tissue 167 1996
* 6106522 Systems and methods for forming elongated lesion patterns in body tissue using straight or curvilinear electrode elements 198 1996
* 6030379 Systems and methods for seeking sub-surface temperature conditions during tissue ablation 74 1997
* 6113591 Systems and methods for sensing sub-surface temperatures in body tissue 117 1997
* 6053912 Systems and methods for sensing sub-surface temperatures in body tissue during ablation with actively cooled electrodes 239 1997
* 6056745 Systems and methods for obtaining desired lesion characteristics while ablating body tissue 201 1997
* 6099526 Electrode structure including hydrophilic material 90 1998
* 6030382 Flexible tissue ablatin elements for making long lesions 80 1998
6514246 Systems and methods for forming large lesions in body tissue using curvilinear electrode elements 127 1998
6197021 Systems and methods for controlling tissue ablation using multiple temperature sensing elements 157 1998
6447506 Systems and methods for creating long, thin lesions in body tissue 52 1999
6475213 Method of ablating body tissue 152 2000
7115122 Composite structures and methods for ablating tissue to form complex lesion patterns in the treatment of cardiac conditions and the like 58 2000
6471699 Systems and methods for forming elongated lesion patterns in body tissue using straight or curvilinear electrode elements 81 2000
6500172 Systems and methods for controlling tissue ablation using multiple temperature sensing elements 144 2000
7413568 Composite structures and methods for ablating tissue to form complex lesion patterns in the treatment of cardiac conditions and the like 27 2001
6736811 Expandable-collapsible electrode structures made of electrically conductive material 124 2002
7335196 Systems and methods for creating long, thin lesions in body tissue 50 2004
7837684 Composite structures and methods for ablating tissue to form complex lesion patterns in the treatment of cardiac conditions and the like 0 2007
 
COVIDIEN AG (90)
6478793 Ablation treatment of bone metastases 214 2000
7137980 Method and system for controlling output of RF medical generator 449 2003
7749217 Method and system for optically detecting blood and controlling a generator during electrosurgery 60 2003
RE40388 Electrosurgical generator with adaptive power control 157 2003
7364577 Vessel sealing system 203 2003
8808161 Redundant temperature monitoring in electrosurgical systems for safety mitigation 2 2003
8104956 Thermocouple measurement circuit 43 2003
7131860 Connector systems for electrosurgical generator 309 2003
7044948 Circuit for controlling arc energy from an electrosurgical generator 238 2003
8012150 Method and system for programming and controlling an electrosurgical generator system 48 2004
7722601 Method and system for programming and controlling an electrosurgical generator system 47 2004
7396336 Switched resonant ultrasonic power amplifier system 226 2004
7303557 Vessel sealing system 341 2004
7901400 Method and system for controlling output of RF medical generator 194 2005
7766905 Method and system for continuity testing of medical electrodes 20 2005
7780662 Vessel sealing system using capacitive RF dielectric heating 53 2005
7628786 Universal foot switch contact port 17 2005
* 7879031 Cooled RF ablation needle 13 2005
* 2007/0073,285 Cooled RF ablation needle 22 2005
7776035 Cool-tip combined electrode introducer 22 2005
* 2006/0079,885 Cool-tip combined electrode introducer 25 2005
7553309 Electrosurgical system employing multiple electrodes and method thereof 44 2005
* 2006/0079,887 Electrosurgical system employing multiple electrodes and method thereof 108 2005
8734438 Circuit and method for reducing stored energy in an electrosurgical generator 3 2005
7947039 Laparoscopic apparatus for performing electrosurgical procedures 15 2005
7467075 Three-dimensional finite-element code for electrosurgery and thermal ablation simulations 8 2005
7513896 Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling 69 2006
7824400 Circuit for controlling arc energy from an electrosurgical generator 13 2006
7651493 System and method for controlling electrosurgical snares 54 2006
7648499 System and method for generating radio frequency energy 52 2006
9474564 Method and system for compensating for external impedance of an energy carrying component when controlling an electrosurgical generator 0 2006
8795270 System and method for ablating tissue 3 2006
7651492 Arc based adaptive control system for an electrosurgical unit 44 2006
* 2007/0250,054 System and method for ablating tissue 27 2006
8753334 System and method for reducing leakage current in an electrosurgical generator 0 2006
7763018 Cool-tip thermocouple including two-piece hub 18 2006
* 2008/0027,424 Cool-tip thermocouple including two-piece hub 22 2006
8034049 System and method for measuring initial tissue impedance 31 2006
7731717 System and method for controlling RF output during tissue sealing 64 2006
7416437 Connector systems for electrosurgical generator 119 2006
7637907 System and method for return electrode monitoring 9 2006
* 2008/0071,263 System and method for return electrode monitoring 7 2006
7794457 Transformer for RF voltage sensing 14 2006
8105323 Method and system for controlling output of RF medical generator 121 2006
8663214 Method and system for controlling an output of a radio-frequency medical generator having an impedance based control algorithm 1 2007
7927328 System and method for closed loop monitoring of monopolar electrosurgical apparatus 223 2007
8080008 Method and system for programming and controlling an electrosurgical generator system 15 2007
8182477 Electrosurgical system employing multiple electrodes and method thereof 9 2007
* 2008/0021,448 Electrosurgical system employing multiple electrodes and method thereof 30 2007
8287528 Vessel sealing system 104 2008
7766693 Connector systems for electrosurgical generator 71 2008
8113057 Switched resonant ultrasonic power amplifier system 10 2008
8096961 Switched resonant ultrasonic power amplifier system 9 2008
8672937 Cool-tip thermocouple including two-piece hub 3 2008
* 2008/0287,946 Cool-Tip Thermocouple Including Two-Piece Hub 9 2008
7699842 Electrosurgical system employing multiple electrodes and method thereof 23 2008
* 2009/0054,891 ELECTROSURGICAL SYSTEM EMPLOYING MULTIPLE ELECTRODES AND METHOD THEREOF 4 2008
7702495 Three-dimensional finite-element code for electrosurgery and thermal ablation simulations 4 2008
* 2009/0070,090 Three-Dimensional Finite-Element Code for Electerosurgery and Thermal Ablation Simulations 0 2008
8685016 System and method for tissue sealing 3 2009
8216223 System and method for tissue sealing 25 2009
8147485 System and method for tissue sealing 159 2009
8202271 Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling 4 2009
8187262 Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling 3 2009
8025660 Universal foot switch contact port 13 2009
8556890 Arc based adaptive control system for an electrosurgical unit 1 2009
7972332 System and method for controlling electrosurgical snares 13 2009
8062290 Electrosurgical system employing multiple electrodes 20 2010
8303580 Method and system for programming and controlling an electrosurgical generator system 62 2010
8298223 Method and system for programming and controlling an electrosurgical generator system 62 2010
8377057 Cool-tip combined electrode introducer 17 2010
8523855 Circuit for controlling arc energy from an electrosurgical generator 2 2010
8231616 Transformer for RF voltage sensing 3 2010
8267928 System and method for closed loop monitoring of monopolar electrosurgical apparatus 2 2011
8241278 Laparoscopic apparatus for performing electrosurgical procedures 6 2011
8398626 Electrosurgical system employing multiple electrodes 30 2011
8267929 Method and system for programming and controlling an electrosurgical generator system 17 2011
8647340 Thermocouple measurement system 0 2012
8485993 Switched resonant ultrasonic power amplifier system 6 2012
9168089 Method and system for controlling output of RF medical generator 1 2012
9113900 Method and system for controlling output of RF medical generator 1 2012
9113888 Electrosurgical system employing multiple electrodes and method thereof 3 2012
9186200 System and method for tissue sealing 0 2012
8668688 Soft tissue RF transection and resection device 2 2012
8475447 System and method for closed loop monitoring of monopolar electrosurgical apparatus 2 2012
8966981 Switched resonant ultrasonic power amplifier system 1 2013
9119624 ARC based adaptive control system for an electrosurgical unit 0 2013
9642665 Method and system for controlling an output of a radio-frequency medical generator having an impedance based control algorithm 0 2014
9522032 Circuit and method for reducing stored energy in an electrosurgical generator 0 2014
9768373 Switched resonant ultrasonic power amplifier system 0 2015
 
VENTURE LENDING & LEASING, INC. (1)
* 5542916 Dual-channel RF power delivery system 311 1994
 
MEDTRONIC VIDAMED, INC. (1)
* 2005/0085,804 Method for treating tissue with a wet electrode and apparatus for using same 62 2004
 
HOLOGIC, INC. (4)
9095348 Moisture transport system for contact electrocoagulation 0 2013
9554853 Radio-frequency generator for powering an ablation device 0 2013
8998898 Moisture transport system for contact electrocoagulation 0 2014
9247989 Moisture transport system for contact electrocoagulation 0 2015
 
BROADBAND CAPITAL MANAGEMENT LLC (1)
* 2009/0138,011 INTERMITTENT ABLATION RF DRIVING FOR MODERATING RETURN ELECTRODE TEMPERATURE 11 2008
 
AUSLO RESEARCH LLC (1)
* 5800486 Device for transurethral thermal therapy with cooling balloon 169 1996
 
NEUROTHERM, INC. (31)
* 6122549 Apparatus for treating intervertebral discs with resistive energy 354 1997
* 6095149 Method for treating intervertebral disc degeneration 302 1997
* 6073051 Apparatus for treating intervertebal discs with electromagnetic energy 399 1997
* 6007570 Apparatus with functional element for performing function upon intervertebral discs 314 1997
* 5980504 Method for manipulating tissue of an intervertebral disc 339 1997
* 6126682 Method for treating annular fissures in intervertebral discs 400 1998
* 6099514 Method and apparatus for delivering or removing material from the interior of an intervertebral disc 290 1998
6261311 Method and apparatus for treating intervertebral discs 254 1999
6517568 Method and apparatus for treating intervertebral discs 80 2000
6547810 Method for treating intervertebral discs 97 2000
6767347 Catheter for delivery of energy to a surgical site 89 2001
6749605 Catheter for delivery of energy to a surgical site 76 2001
7069087 Apparatus and method for accessing and performing a function within an intervertebral disc 56 2001
6832997 Electromagnetic energy delivery intervertebral disc treatment devices 38 2001
6733496 Intervertebral disc device employing flexible probe 176 2001
6726685 Intervertebral disc device employing looped probe 100 2001
6638276 Intervertebral disc device employing prebent sheath 88 2001
6878155 Method of treating intervertebral disc tissue employing attachment mechanism 74 2001
6997941 Method and apparatus for treating annular fissures in intervertebral discs 108 2003
* 2003/0181,964 Method and apparatus for treating annular fissures in intervertebral discs 12 2003
7400930 Method for treating intervertebral discs 41 2003
7282061 Method of treating intervertebral disc 83 2003
7267683 Method for treating intervertebral discs 50 2003
7226447 Electrosurgical generator 92 2004
* 2005/0288,662 Electrosurgical generator 4 2004
7309336 Catheter for delivery of energy to a surgical site 50 2004
8226697 Method for treating intervertebral disc 0 2007
8187312 Method for treating intervertebral disc 0 2007
8128619 Method for treating intervertebral discs 0 2007
* 2008/0051,859 METHOD FOR TREATING INTERVERTEBRAL DISCS 6 2007
7647123 Method for treating intervertebral discs 23 2007
 
MEDTRONIC CRYOCATH LP (16)
7097641 Catheter with cryogenic and heating ablation 102 1999
* 2004/0158,237 Multi-energy ablation station 18 2003
7465300 Catheter with cryogenic and electrical heating ablation 19 2005
* 2006/0004,351 Catheter with cryogenic and electrical heating ablation 13 2005
7842031 Bioimpedance measurement system and method 0 2005
* 2007/0255,162 Bioimpedance measurement system and method 74 2005
7896870 Catheter with cryogenic and electrical heating ablation 4 2007
7951140 Catheter with cryogenic and electrical heating ablation 6 2008
* 2008/0114,345 CATHETER WITH CRYOGENIC AND ELECTRICAL HEATING ABLATION 3 2008
7914525 Bioimpedance measurement system and method 0 2008
* 2008/0200,828 BIOIMPEDANCE MEASUREMENT SYSTEM AND METHOD 6 2008
* 2008/0200,829 BIOIMPEDANCE MEASUREMENT SYSTEM AND METHOD 2 2008
8083732 Catheter with cryogenic and electrical heating ablation 5 2011
* 2011/0196,359 CATHETER WITH CRYOGENIC AND ELECTRICAL HEATING ABLATION 2 2011
8287526 Method of simultaneously freezing and heating tissue for ablation 2 2011
9439706 System and method for monitoring bioimpedance and respiration 0 2014
 
COVIDIEN LP (47)
7824408 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 8 2004
7625372 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 19 2005
D574323 Generator 116 2007
8777941 Adjustable impedance electrosurgical electrodes 0 2007
7777130 Microwave cable cooling 10 2007
9486269 Electrosurgical systems and cartridges for use therewith 0 2007
* 2008/0319,438 Electrosurgical systems and cartridges for use therewith 19 2007
7834484 Connection cable and method for activating a voltage-controlled generator 69 2007
8216220 System and method for transmission of combined data stream 9 2007
8181995 Cool tip junction 11 2007
* 2009/0069,793 Cool tip junction 0 2007
8512332 Real-time arc control in electrosurgical generators 1 2007
8211099 Thermal feedback systems and methods of using the same 36 2008
* 2008/0183,165 Thermal Feedback Systems and Methods of Using the Same 54 2008
8226639 System and method for output control of electrosurgical generator 16 2008
8608739 Electrosurgical devices, systems and methods of using the same 3 2008
8852179 Apparatus, system and method for monitoring tissue during an electrosurgical procedure 5 2008
* 8734444 System and method for delivering high current to electrosurgical device 3 2008
* 2010/0094,288 System and Method for Delivering High Current to Electrosurgical Device 31 2008
* 2010/0094,271 Apparatus, System and Method for Monitoring Tissue During an Electrosurgical Procedure 109 2008
8292880 Targeted cooling of deployable microwave antenna 20 2008
* 9113926 Management of voltage standing wave ratio at skin surface during microwave ablation 2 2009
* 2011/0077,636 Management of Voltage Standing Wave Ratio at Skin Surface During Microwave Ablation 25 2009
8361061 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 0 2009
8093500 Microwave cable cooling 4 2010
9616246 Apparatus and methods for treating hollow anatomical structures 0 2010
8936631 Apparatus and methods for treating hollow anatomical structures 1 2010
* 2011/0166,519 APPARATUS AND METHODS FOR TREATING HOLLOW ANATOMICAL STRUCTURES 14 2010
8083738 Method and apparatus for coagulating and/or constricting hollow anatomical structures 0 2010
* 2011/0144,642 METHOD AND APPARATUS FOR COAGULATING AND/OR CONSTRICTING HOLLOW ANATOMICAL STRUCTURES 5 2010
* 2012/0232,549 SYSTEMS FOR THERMAL-FEEDBACK-CONTROLLED RATE OF FLUID FLOW TO FLUID-COOLED ANTENNA ASSEMBLY AND METHODS OF DIRECTING ENERGY TO TISSUE USING SAME 8 2011
9033973 System and method for DC tissue impedance sensing 1 2011
8357157 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 0 2011
* 8945113 Electrosurgical tissue ablation systems capable of detecting excessive bending of a probe and alerting a user 3 2012
8480665 Cool tip junction 5 2012
8353905 System and method for transmission of combined data stream 9 2012
8568402 Thermal feedback systems and methods of using the same 20 2012
8480666 Thermal feedback systems and methods of using the same 27 2012
8486061 Imaginary impedance process monitoring and intelligent shut-off 2 2012
8795266 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 0 2012
8721639 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 2 2012
9271790 Real-time arc control in electrosurgical generators 0 2013
8956350 Thermal feedback systems and methods of using the same 1 2013
9655670 Systems and methods for measuring tissue impedance through an electrosurgical cable 0 2014
9636165 Systems and methods for measuring tissue impedance through an electrosurgical cable 0 2014
9770287 System and method for delivering high current to electrosurgical device 0 2014
9597151 Electrosurgical tissue ablation systems and methods capable of detecting excessive bending of a probe and alerting a user 0 2015
 
ORATEC INTERVENTIONS, INC. (19)
* 5785705 RF method for controlled depth ablation of soft tissue 311 1995
6482204 Method and apparatus for controlled contraction of soft tissue 51 1996
* 6068628 Apparatus for treating chondromalacia 209 1996
6461353 Orthopedic apparatus for controlled contraction of collagen tissue 9 1997
6168593 Electrode for electrosurgical coagulation of tissue 189 1998
* 6135999 Concave probe for arthroscopic surgery 242 1998
* 5954716 Method for modifying the length of a ligament 267 1998
* 6007533 Electrocauterizing tip for orthopedic shave devices 78 1998
* 6004320 Clip on electrocauterizing sheath for orthopedic shave devices 72 1998
6283960 Apparatus for delivery of energy to a surgical site 101 1998
6214001 Electrocauterizing tool for orthopedic shave devices 108 1998
6176857 Method and apparatus for applying thermal energy to tissue asymmetrically 136 1998
6350262 Method and apparatus for applying thermal energy to tissue asymetrically 162 2000
6391028 Probe with distally orientated concave curve for arthroscopic surgery 114 2000
6645203 Surgical instrument with off-axis electrode 30 2001
6695839 Method and apparatus for treatment of disrupted articular cartilage 53 2001
6645204 Intervertebral disc device employing flexible probe 0 2001
6757565 Electrosurgical instrument having a predetermined heat profile 29 2002
6939346 Method and apparatus for controlling a temperature-controlled probe 290 2002
 
MEDTRONIC, INC. (88)
* 5431649 Method and apparatus for R-F ablation 565 1993
* 5609151 Method for R-F ablation 523 1994
* 5876398 Method and apparatus for R-F ablation 155 1995
* 5725524 Apparatus for R-F ablation 341 1996
* 5913854 Fluid cooled ablation catheter and method for making 150 1997
* 6016809 Method and apparatus for R-F ablation 132 1997
* 5906613 Method for R-F ablation 120 1997
* 6409722 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 428 1999
* 6736810 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 221 2001
6537272 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 366 2001
7967816 Fluid-assisted electrosurgical instrument with shapeable electrode 11 2002
* 6849073 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 441 2002
* 2003/0073,989 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 42 2002
7507235 Method and system for organ positioning and stabilization 104 2002
7294143 Device and method for ablation of cardiac tissue 34 2003
7118566 Device and method for needle-less interstitial injection of fluid for ablation of cardiac tissue 37 2003
6989010 Ablation system and method of use 210 2003
7497857 Endocardial dispersive electrode for use with a monopolar RF ablation pen 2 2003
7615015 Focused ultrasound ablation devices having selectively actuatable emitting elements and methods of using the same 131 2003
7083620 Electrosurgical hemostat 405 2003
7156843 Irrigated focal ablation tip 45 2003
* 2005/0055,020 Irrigated focal ablation tip 3 2003
7367972 Ablation system 143 2003
7347858 Method and system for treatment of atrial tachyarrhythmias 9 2003
* 7169144 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 262 2003
* 2004/0092,926 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 36 2003
7094235 Method and apparatus for tissue ablation 74 2004
* 8162933 Vibration sensitive ablation device and method 69 2004
8333764 Device and method for determining tissue thickness and creating cardiac ablation lesions 187 2004
* 7247155 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 222 2004
7470272 Device and method for ablating tissue 69 2004
6949098 Pen-type electrosurgical instrument 118 2004
* 2004/0236,324 Pen-type electrosurgical instrument 13 2004
7322974 TUNA device with integrated saline reservoir 82 2004
8512337 Method and system for treatment of atrial tachyarrhythmias 0 2004
7250048 Ablation system and method of use 116 2004
* 2005/0090,815 Ablation system and method of use 45 2004
7628780 Devices and methods for interstitial injection of biologic agents into tissue 20 2004
7364578 System and method of performing an electrosurgical procedure 89 2004
7963963 Electrosurgical hemostat 278 2005
7435250 Method and apparatus for tissue ablation 28 2005
7706894 Heart wall ablation/mapping catheter and method 24 2005
7706882 Methods of using high intensity focused ultrasound to form an ablated tissue area 65 2005
7758576 Clamping ablation tool and method 5 2005
7758580 Compound bipolar ablation device and method 3 2005
7678108 Loop ablation apparatus and method 60 2005
7566334 Ablation device with jaws 67 2005
7740623 Devices and methods for interstitial injection of biologic agents into tissue 15 2005
7309325 Helical needle apparatus for creating a virtual electrode used for the ablation of tissue 71 2005
7818039 Suction stabilized epicardial ablation devices 3 2005
* 8911438 Tuna device with integrated saline reservoir 0 2005
* 2008/0262,491 Tuna Device with Integrated Saline Reservoir 50 2005
7156845 Method and apparatus for creating a bi-polar virtual electrode used for the ablation of tissue 88 2005
7166105 Pen-type electrosurgical instrument 57 2005
* 2006/0074,414 Pen-type electrosurgical instrument 1 2005
7678111 Device and method for ablating tissue 44 2005
8221402 Method for guiding a medical device 32 2005
7824399 Ablation system and method of use 28 2006
7250051 Method and apparatus for tissue ablation 53 2006
7975703 Device and method for needle-less interstitial injection of fluid for ablation of cardiac tissue 2 2006
7744562 Devices and methods for interstitial injection of biologic agents into tissue 4 2006
8414573 Device and method for ablation of cardiac tissue 0 2006
7422588 Pen-type electrosurgical instrument 16 2006
9693819 Vibration sensitive ablation device and method 0 2007
8663245 Device for occlusion of a left atrial appendage 1 2007
7959626 Transmural ablation systems and methods 132 2007
* 9770282 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 0 2007
8262649 Method and apparatus for tissue ablation 1 2007
8221415 Method and apparatus for tissue ablation 29 2007
7699805 Helical coil apparatus for ablation of tissue 10 2007
8235984 Tuna device with integrated saline reservoir 0 2007
* 2008/0077,125 TUNA DEVICE WITH INTEGRATED SALINE RESERVOIR 0 2007
9113896 Method and apparatus for creating a bi-polar virtual electrode used for the ablation of tissue 3 2007
7794460 Method of ablating tissue 15 2008
7871409 Endocardial dispersive electrode for use with a monopolar RF ablation pen 0 2009
8821488 Tissue lesion evaluation 3 2009
8623010 Cardiac mapping instrument with shapeable electrode 0 2009
7875028 Ablation device with jaws 2 2009
8409219 Method and system for placement of electrical lead inside heart 2 2009
8926635 Methods and devices for occlusion of an atrial appendage 0 2009
8273072 Devices and methods for interstitial injection of biologic agents into tissue 2 2009
9227088 Methods of using high intensity focused ultrasound to form an ablated tissue area containing a plurality of lesions 0 2010
8172837 Clamping ablation tool and method 0 2010
8162941 Ablation device with jaws 0 2010
8706260 Heart wall ablation/mapping catheter and method 0 2011
8801707 Method and devices for treating atrial fibrillation by mass ablation 0 2012
9656063 Method and system for placement of electrical lead inside heart 0 2013
9724119 Methods of using high intensity focused ultrasound to form an ablated tissue area containing a plurality of lesions 0 2015
 
AccuTarget MediPharma (Shanghai) Corp. Ltd. (1)
* 2008/0154,258 Radio Frequency Ablation System with Joule-Thomson Cooler 30 2007
 
BIOSENSE WEBSTER, INC. (2)
6602242 Irrigated tip catheter 237 2000
6458123 Ablation catheter with positional sensor 51 2000
 
MEDTRONIC ABLATION FRONTIERS LLC (17)
8617152 Ablation system with feedback 2 2005
* 2006/0089,637 Ablation catheter 263 2005
8657814 User interface for tissue ablation system 9 2006
7850685 Ablation catheter 160 2006
8834461 Low power tissue ablation system 8 2006
8641704 Ablation therapy system and method for treating continuous atrial fibrillation 2 2008
8771269 RF energy delivery system and method 3 2008
9005194 Atrial ablation catheter adapted for treatment of septal wall arrhythmogenic foci and method of use 1 2008
* 2008/0275,443 ATRIAL ABLATION CATHETER ADAPTED FOR TREATMENT OF SEPTAL WALL ARRHYTHMOGENIC FOCI AND METHOD OF USE 1 2008
8273084 Atrial ablation catheter and method of use 12 2008
8486063 Ablation catheter 75 2008
* 8556891 Variable-output radiofrequency ablation power supply 2 2010
* 2011/0218,526 VARIABLE-OUTPUT RADIOFREQUENCY ABLATION POWER SUPPLY 4 2010
8337492 Ablation catheter 34 2010
9642675 Ablation catheter 0 2013
8979841 Ablation catheter 3 2014
9566113 Low power tissue ablation system 0 2014
 
HADRONIC PRESS, INC. (1)
6245068 Resilient radiopaque electrophysiology electrodes and probes including the same 32 1999
 
MEDTRONIC CARDIORHYTHM (1)
* 5584830 Method and system for radiofrequency ablation of cardiac tissue 242 1994
 
AVENT, INC. (16)
7163536 Determining connections of multiple energy sources and energy delivery devices 67 2004
8882755 Electrosurgical device for treatment of tissue 9 2005
* 2005/0177,211 Electrosurgical device for treatment of tissue 24 2005
8043287 Method of treating biological tissue 0 2005
* 7799021 Electrosurgical treatment in conjunction with monitoring 59 2005
* 2006/0030,845 Electrosurgical treatment in conjunction with monitoring 17 2005
8096957 Method for removing material from a patient's body 4 2006
8361063 System and method for controlling energy delivery 0 2007
* 2007/0118,191 SYSTEM AND METHOD FOR CONTROLLING ENERGY DELIVERY 0 2007
8518036 Electrosurgical tissue treatment method 0 2007
* 2008/0065,062 ELECTROSURGICAL TISSUE TREATMENT METHOD 10 2007
8343146 Methods for control of energy delivery to multiple energy delivery devices 0 2008
9486275 Electrosurgical apparatus having a sensor 0 2010
8505545 Method of and device for introducing materials into a body 0 2012
8740897 Electrosurgical tissue treatment method and device 0 2013
9474573 Electrosurgical tissue treatment device 0 2013
 
CATHRX LTD (1)
* 6346104 System for simultaneous unipolar multi-electrode ablation 277 1998
 
MEDTRONIC ALBATION FRONTIERS LLC (1)
9468495 Ablation catheter 4 2015
 
E.P. Technologies Inc. (1)
* 5810802 Systems and methods for controlling tissue ablation using multiple temperature sensing elements 471 1997
 
ADVANCED BIONICS CORPORATION (1)
* 2004/0167,392 Brain therapy 26 2004
 
ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. (37)
* 5676662 Ablation catheter 245 1995
* 6080151 Ablation catheter 129 1997
6264654 Ablation catheter 106 1999
6605087 Ablation catheter 93 2001
7235070 Ablation fluid manifold for ablation catheter 122 2003
7101362 Steerable and shapable catheter employing fluid force 26 2003
* 2005/0004,565 Ablation fluid manifold for ablation catheter 16 2003
7819866 Ablation catheter and electrode 73 2003
* 2004/0143,256 Ablation catheter and electrode 29 2003
7311704 Spring-tip, flexible electrode catheter for tissue ablation 44 2004
7087053 Catheter with bifurcated, collapsible tip for sensing and ablating 175 2004
* 2005/0267,463 Catheter with bifurcated, collapsible tip for sensing and ablating 3 2004
* 2005/0267,332 Spring-tip, flexible electrode catheter for tissue ablation 7 2004
7776034 Ablation catheter with adjustable virtual electrode 30 2005
7419486 Treatment and diagnostic catheters with hydrogel electrodes 48 2005
* 2007/0005,051 Ablation catheter with adjustable virtual electrode 14 2005
* 2007/0005,052 Treatment and diagnostic catheters with hydrogel electrodes 1 2005
7819868 Ablation catheter with fluid distribution structures 9 2005
7879030 Multipolar, virtual-electrode catheter with at least one surface electrode and method for ablation 10 2005
* 2005/0267,467 Bipolar conforming electrode catheter and methods for ablation 46 2005
7416552 Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation 43 2005
7326208 Ablation catheter having a virtual electrode comprising portholes and a porous conductor 26 2005
* 2006/0052,773 Ablation catheter having a virtual electrode comprising portholes and a porous conductor 1 2005
7419489 Ablation catheter assembly having a virtual electrode comprising portholes 47 2006
* 2006/0111,708 Ablation catheter assembly having a virtual electrode comprising portholes 12 2006
* 7766907 Ablation catheter with sensor array and discrimination circuit to minimize variation in power density 9 2006
9579148 Irrigated ablation electrode having recessed surface portions 0 2007
8128620 Irrigated ablation electrode having proximal direction flow 13 2007
* 2009/0125,017 IRRIGATED ABLATION ELECTRODE HAVING RECESSED SURFACE PORTIONS 4 2007
* 2009/0125,016 IRRIGATED ABLATION ELECTRODE HAVING PROXIMAL DIRECTION FLOW 9 2007
8273082 Irrigated ablation catheter assembly having a flow member to create parallel external flow 13 2007
8221409 Thermally insulated irrigation catheter assembly 6 2007
8216225 Irrigated ablation electrode assembly having a polygonal electrode 0 2007
8118809 Flexible conductive polymer electrode and method for ablation 16 2007
8864758 Catheter design that facilitates positioning at tissue to be diagnosed or treated 0 2008
8012152 Treatment and diagnostic catheters with hydrogel electrodes 0 2008
8585697 Irrigated ablation catheter assembly having a flow member to create parallel external flow 0 2012
 
THERMOPEUTIX, INC. (4)
7789846 System and methods for selective thermal treatment 1 2005
* 2006/0167,398 System and methods for selective thermal treatment 5 2005
7704220 Systems and methods for selective thermal treatment 1 2006
* 2006/0167,399 Systems and methods for selective thermal treatment 2 2006
 
INTUITIVE SURGICAL OPERATIONS, INC. (30)
7860555 Tissue visualization and manipulation system 69 2005
7930016 Tissue closure system 17 2006
7860556 Tissue imaging and extraction systems 39 2006
7918787 Tissue visualization and manipulation systems 15 2007
8050746 Tissue visualization device and method variations 20 2007
8137333 Delivery of biological compounds to ischemic and/or infarcted tissue 24 2007
8221310 Tissue visualization device and method variations 30 2007
8934962 Electrophysiology mapping and visualization system 6 2007
9226648 Off-axis visualization systems 1 2007
8758229 Axial visualization systems 5 2007
8131350 Stabilization of visualization catheters 24 2007
8078266 Flow reduction hood systems 11 2008
9155452 Complex shape steerable tissue visualization and manipulation catheter 0 2008
8657805 Complex shape steerable tissue visualization and manipulation catheter 9 2008
8709008 Visual electrode ablation systems 1 2008
8235985 Visualization and ablation system variations 12 2008
8858609 Stent delivery under direct visualization 0 2009
9155587 Visual electrode ablation systems 3 2009
9101735 Catheter control systems 1 2009
9510732 Methods and apparatus for efficient purging 0 2009
8333012 Method of forming electrode placement and connection systems 15 2009
9468364 Intravascular catheter with hood and image processing systems 0 2009
9055906 In-vivo visualization systems 4 2010
8694071 Image stabilization techniques and methods 0 2011
8417321 Flow reduction hood systems 12 2011
8419613 Tissue visualization device 13 2011
8814845 Delivery of biological compounds to ischemic and/or infarcted tissue 5 2012
9192287 Tissue visualization device and method variations 1 2012
9526401 Flow reduction hood systems 0 2013
9332893 Delivery of biological compounds to ischemic and/or infarcted tissue 2 2014
 
THE GENERAL HOSPITAL CORPORATION (2)
8268332 Method for dermatological treatment using chromophores 24 2005
9452013 Apparatus for dermatological treatment using chromophores 0 2012
 
MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH (1)
* 2011/0118,601 Ultrasound Guided Systems and Methods 0 2009
 
EXPANDING CONCEPTS, LLC (4)
6673063 Epidural thermal posterior annuloplasty 85 2001
* 2003/0158,591 Epidural thermal posterior annuloplasty 0 2001
* 2004/0006,379 Epidural thermal posterior annuloplasty 50 2003
* 2004/0111,084 Epidural thermal posterior annuloplasty 50 2003
 
ARTHROCARE CORPORATION (64)
* 6557559 Electrosurgical systems and methods with temperature control 134 1998
* 7422585 System for electrosurgical myocardial revascularization 44 1999
7505812 Electrosurgical system for treating restenosis of body lumens 63 1999
7572251 Systems and methods for electrosurgical tissue treatment 55 1999
7678069 System for electrosurgical tissue treatment in the presence of electrically conductive fluid 78 2000
7442191 Systems and methods for electrosurgical treatment of turbinates 200 2001
* 7270661 Electrosurgical apparatus and methods for treatment and removal of tissue 159 2002
* 2002/0095,151 Electrosurgical apparatus and methods for treatment and removal of tissue 35 2002
7435247 Systems and methods for electrosurgical tissue treatment 133 2002
7297143 Temperature indicating electrosurgical apparatus and methods 109 2004
8012153 Rotary electrosurgical apparatus and methods thereof 19 2004
7491200 Method for treating obstructive sleep disorder includes removing tissue from base of tongue 59 2005
7892230 Electrosurgical device having planar vertical electrode and related methods 28 2005
7632267 Fuse-electrode electrosurgical apparatus 67 2005
7691101 Electrosurgical method and system for treating foot ulcer 73 2006
7429260 Systems and methods for electrosurgical tissue contraction within the spine 82 2006
7445618 Methods for tissue ablation using pulsed energy 73 2007
7862560 Ablation apparatus having reduced nerve stimulation and related methods 82 2007
7507236 System and method for electrosurgical cutting and ablation 87 2007
8114071 Hard tissue ablation system 13 2007
7988689 Electrosurgical apparatus and methods for treatment and removal of tissue 14 2007
8663216 Instrument for electrosurgical tissue treatment 4 2007
8192424 Electrosurgical system with suction control apparatus, system and method 69 2008
9358063 Ablation performance indicator for electrosurgical devices 0 2008
8747400 Systems and methods for screen electrode securement 5 2008
7819863 System and method for electrosurgical cutting and ablation 22 2008
8355799 Systems and methods for limiting joint temperature 21 2008
8574187 System and method of an electrosurgical controller with output RF energy control 12 2009
8876746 Electrosurgical system and method for treating chronic wound tissue 1 2009
8663152 Electrosurgical method and system for treating foot ulcer 0 2009
8663153 Electrosurgical method and system for treating foot ulcer 0 2009
8663154 Electrosurgical method and system for treating foot ulcer 0 2009
8636685 Electrosurgical method and system for treating foot ulcer 0 2009
8257350 Method and system of an electrosurgical controller with wave-shaping 9 2009
8323279 System, method and apparatus for electrosurgical instrument with movable fluid delivery sheath 30 2009
9254167 Electrosurgical system and method for sterilizing chronic wound tissue 0 2009
8372067 Electrosurgery irrigation primer systems and methods 10 2009
8747399 Method and system of reduction of low frequency muscle stimulation during electrosurgical procedures 5 2010
8696659 Electrosurgical system and method having enhanced temperature measurement 6 2010
9168087 Electrosurgical system and method for sterilizing chronic wound tissue 0 2010
8685018 Electrosurgical wand and related method and system 7 2010
8568405 Electrosurgical wand and related method and system 15 2010
D658760 Wound care electrosurgical wand 21 2010
8747401 Systems and methods for turbinate reduction 13 2011
9131597 Electrosurgical system and method for treating hard body tissue 2 2011
9168082 Fine dissection electrosurgical device 0 2011
8444638 Hard tissue ablation system 4 2012
9011428 Electrosurgical device with internal digestor electrode 5 2012
8870866 Electrosurgical system with suction control apparatus, system and method 2 2012
* 2012/0215,221 ELECTROSURGICAL SYSTEM WITH SUCTION CONTROL APPARATUS, SYSTEM AND METHOD 20 2012
9138282 Method and system of an electrosurgical controller with wave-shaping 0 2012
9788882 Plasma bipolar forceps 0 2012
9452008 Systems and methods for limiting joint temperature 0 2012
9095358 Electrosurgery irrigation primer systems and methods 0 2012
9254166 Systems and methods for turbinate reduction 0 2013
9713489 Electrosurgical methods and systems 0 2013
9801678 Method and system of controlling conductive fluid flow during an electrosurgical procedure 0 2013
9271784 Fine dissection electrosurgical device 0 2013
9693818 Methods and systems related to electrosurgical wands 0 2014
9526556 Systems and methods systems related to electrosurgical wands with screen electrodes 0 2014
9649148 Electrosurgical system and method having enhanced arc prevention 0 2014
9597142 Method and system related to electrosurgical procedures 0 2014
* 9254164 Electrosurgical system with suction control apparatus, system and method 0 2014
9649144 Systems and methods for turbinate reduction 0 2016
 
CONCEPTX MEDICAL, INC. (1)
* 2009/0248,011 CHRONIC VENOUS INSUFFICIENCY TREATMENT 26 2009
 
Advanced Cardiac Therapeutics, Inc. (6)
9636164 Contact sensing systems and methods 0 2016
9522036 Ablation devices, systems and methods of using a high-resolution electrode assembly 2 2016
9517103 Medical instruments with multiple temperature sensors 2 2016
9510905 Systems and methods for high-resolution mapping of tissue 2 2016
9592092 Orientation determination based on temperature measurements 0 2016
9522037 Treatment adjustment based on temperatures from multiple temperature sensors 2 2016
 
ZOLL CIRCULATION, INC. (82)
* 6051019 Selective organ hypothermia method and apparatus 179 1998
* 6042559 Insulated catheter for selective organ perfusion 196 1998
* 5957963 Selective organ hypothermia method and apparatus 243 1998
6231595 Circulating fluid hypothermia method and apparatus 146 1998
* 6096068 Selective organ cooling catheter and method of using the same 202 1998
6261312 Inflatable catheter for selective organ heating and cooling and method of using the same 137 1998
6251129 Method for low temperature thrombolysis and low temperature thrombolytic agent with selective organ temperature control 121 1998
6251130 Device for applications of selective organ cooling 197 1998
6245095 Method and apparatus for location and temperature specific drug action such as thrombolysis 135 1999
6491716 Method and device for applications of selective organ cooling 26 1999
6238428 Selective organ cooling apparatus and method employing turbulence-inducing element with curved terminations 110 1999
6312452 Selective organ cooling catheter with guidewire apparatus and temperature-monitoring device 123 1999
6224624 Selective organ cooling apparatus and method 138 1999
6235048 Selective organ hypothermia method and apparatus 125 1999
* 6149677 Circulating fluid hypothermia method 188 1999
6325818 Inflatable cooling apparatus for selective organ hypothermia 77 1999
6491039 Medical procedure 39 2000
6471717 Selective organ cooling apparatus and method 18 2000
6464716 Selective organ cooling apparatus and method 49 2000
6582455 Method and device for applications of selective organ cooling 25 2000
6482226 Selective organ hypothermia method and apparatus 20 2000
6478811 Method for low temperature thrombolysis and low temperature thrombolytic agent with selective organ temperature control 36 2000
6468296 Method for low temperature thrombolysis and low temperature thrombolytic agent with selective organ temperature control 37 2000
* 6527798 Method and apparatus for regional and whole body temperature modification 80 2000
6576002 Isolated selective organ cooling method and apparatus 22 2001
6478812 Method and device for applications of selective organ cooling 35 2001
6475231 Method and device for applications of selective organ cooling 32 2001
6540771 Inflatable catheter for selective organ heating and cooling and method of using the same 43 2001
* 6533804 Inflatable catheter for selective organ heating and cooling and method of using the same 36 2001
6818011 Circulating fluid hypothermia method and apparatus 12 2001
* 2001/0007,951 Circulating fluid hypothermia method and apparatus 11 2001
6602276 Method and device for performing cooling- or cryo-therapies for, e.g., angioplasty with reduced restenosis or pulmonary vein cell necrosis to inhibit atrial fibrillation 72 2001
6551349 Selective organ cooling apparatus 48 2001
6692488 Apparatus for cell necrosis 25 2001
6558412 Selective organ hypothermia method and apparatus 20 2001
6676688 Method of making selective organ cooling catheter 30 2001
6599312 Isolated selective organ cooling apparatus 31 2001
6726708 Therapeutic heating and cooling via temperature management of a colon-inserted balloon 51 2001
6905509 Selective organ cooling catheter with guidewire apparatus and temperature-monitoring device 17 2001
6685732 METHOD AND DEVICE FOR PERFORMING COOLING- OR CRYO-THERAPIES FOR, E.G., ANGIOPLASTY WITH REDUCED RESTENOSIS OR PULMONARY VEIN CELL NECROSIS TO INHIBIT ATRIAL FIBRILLATION EMPLOYING MICROPOROUS BALLOON 113 2001
6719779 Circulation set for temperature-controlled catheter and method of using the same 57 2001
6585752 Fever regulation method and apparatus 32 2001
6576001 Lumen design for catheter 60 2001
6786218 Medical procedure 13 2001
7291144 Method and device for performing cooling- or cryo-therapies for, e.g., angioplasty with reduced restenosis or pulmonary vein cell necrosis to inhibit atrial fibrillation 7 2002
6660028 Method for determining the effective thermal mass of a body or organ using a cooling catheter 23 2002
6905494 Method and device for performing cooling- or cryo-therapies for, e.g., angioplasty with reduced restenosis or pulmonary vein cell necrosis to inhibit atrial fibrillation employing tissue protection 88 2002
7001378 Method and device for performing cooling or cryo-therapies, for, e.g., angioplasty with reduced restenosis or pulmonary vein cell necrosis to inhibit atrial fibrillation employing tissue protection 95 2002
6695873 Inflatable catheter for selective organ heating and cooling and method of using the same 32 2002
6676689 Inflatable catheter for selective organ heating and cooling and method of using the same 31 2002
6648908 Inflatable catheter for selective organ heating and cooling and method of using the same 58 2002
6755850 Selective organ hypothermia method and apparatus 15 2002
6702842 Selective organ cooling apparatus and method 33 2002
6869440 Method and apparatus for patient temperature control employing administration of anti-shivering agents 7 2002
6830581 Method and device for patient temperature control employing optimized rewarming 7 2002
6740109 Isolated selective organ cooling method 38 2002
7063718 Selective organ hypothermia method and apparatus 14 2003
7094253 Fever regulation method and apparatus 0 2003
7004960 Circulation set for temperature-controlled catheter and method of using the same 13 2003
7651518 Inflatable catheter for selective organ heating and cooling and method of using the same 0 2003
7052508 Inflatable heat transfer apparatus 2 2003
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