US Patent No: 5,334,193

Number of patents in Portfolio can not be more than 2000

Fluid cooled ablation catheter

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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 7991

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
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Medtronic Ardian Luxembourg S.a.r.l. (73)
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8,475,455 Fluid-assisted electrosurgical scissors and methods 8 2003
7,815,634 Fluid delivery system and controller for electrosurgical devices 18 2003
7,951,148 Electrosurgical device having a tissue reduction sensor 0 2004
7,998,140 Fluid-assisted medical devices, systems and methods 24 2004
7,604,635 Fluid-assisted medical devices, systems and methods 23 2004
* 2005/0010,212 Fluid-assisted medical devices, systems and methods 36 2004
7,811,282 Fluid-assisted electrosurgical devices, electrosurgical unit with pump and methods of use thereof 22 2005
8,038,670 Fluid-assisted medical devices, systems and methods 29 2005
7,645,277 Fluid-assisted medical device 66 2005
8,075,557 Fluid-assisted medical devices and methods 0 2007
7,537,595 Fluid-assisted medical devices, systems and methods 29 2007
8,882,756 Fluid-assisted electrosurgical devices, methods and systems 7 2008
8,632,533 Fluid-assisted electrosurgical device 4 2010
9,254,168 Electro-thermotherapy of tissue using penetrating microelectrode array 0 2010
9,138,289 Electrode sheath for electrosurgical device 1 2010
8,906,012 Electrosurgical devices with wire electrode 4 2010
9,345,541 Cartridge assembly for electrosurgical devices, electrosurgical unit and methods of use thereof 0 2010
8,361,068 Fluid-assisted electrosurgical devices, electrosurgical unit with pump and methods of use thereof 13 2010
9,023,040 Electrosurgical cutting devices 0 2010
9,427,281 Bronchoscope-compatible catheter provided with electrosurgical device 0 2011
8,870,864 Single instrument electrosurgery apparatus and its method of use 0 2011
9,381,061 Fluid-assisted medical devices, systems and methods 0 2011
8,920,417 Electrosurgical devices and methods of use thereof 4 2012
* 9,333,027 Method of producing an electrosurgical device 0 2013
* 2014/0026,395 FLUID-ASSISTED ELECTROSURGICAL DEVICES, AND METHODS OF MANUFACTURE THEREOF 0 2013
9,486,283 Fluid-assisted electrosurgical device 0 2013
9,445,858 Bipolar electrosurgical device 0 2014
 
American Cardiac Ablation Co., Inc. (1)
* 5,733,281 Ultrasound and impedance feedback system for use with electrosurgical instruments 121 1996
 
EPICOR, INC. (1)
* 6,161,543 Methods of epicardial ablation for creating a lesion around the pulmonary veins 609 1997
 
The Johns Hopkins University (5)
7,155,271 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures 121 2003
* 2003/0199,755 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures 39 2003
7,412,276 Brain therapy 22 2004
8,099,151 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures 4 2005
9,301,705 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures 0 2011
 
PROJECT TROJAN INTELLECTUAL PROPERTY ACQUISITION, LLC (2)
* 6,887,237 Method for treating tissue with a wet electrode and apparatus for using same 45 2002
* 2004/0015,162 Method for treating tissue with a wet electrode and apparatus for using same 32 2002
 
BIOSENSE WEBSTER (ISRAEL) LTD. (5)
* 8,920,415 Catheter with helical electrode 0 2009
* 2011/0144,639 CATHETER WITH HELICAL ELECTRODE 29 2009
9,220,433 Catheter with variable arcuate distal section 0 2011
* 9,131,981 Catheter with helical electrode 0 2013
* 2013/0150,847 CATHETER WITH HELICAL ELECTRODE 0 2013
 
ATRICURE, INC. (3)
* 8,353,907 Ablation device with internally cooled electrodes 1 2008
* 2009/0163,905 ABLATION DEVICE WITH INTERNALLY COOLED ELECTRODES 3 2008
8,998,892 Ablation device with cooled electrodes and methods of use 0 2010
 
Dorsal Orthopedic Corporation (1)
* 5,458,596 Method and apparatus for controlled contraction of soft tissue 741 1994
 
AthroCare Corporation (1)
8,317,786 System, method and apparatus for electrosurgical instrument with movable suction sheath 7 2009
 
BOSTON SCIENTIFIC SCIMED, INC. (73)
* 5,697,927 Catheter for RF ablation with cooled electrode and apparatus for use therewith 422 1994
* 5,423,811 Method for RF ablation using cooled electrode 608 1994
* 5,658,278 Catheter for RF ablation with cooled electrode and method 382 1995
* 5,800,482 Apparatus and method for linear lesion ablation 427 1996
* 6,235,022 RF generator and pump apparatus and system and method for cooled ablation 115 1996
* 5,860,974 Heart ablation catheter with expandable electrode and method of coupling energy to an electrode on a catheter shaft 663 1997
* 5,868,735 Cryoplasty device and method 264 1997
6,241,666 Ablation catheter tip with a buffer layer covering the electrode 90 1997
* 6,010,500 Telescoping apparatus and method for linear lesion ablation 197 1997
* 5,895,417 Deflectable loop design for a linear lesion ablation apparatus 355 1997
* 6,015,407 Combination linear ablation and cooled tip RF catheters 121 1998
* 6,119,041 Apparatus and method for linear lesion ablation 76 1998
6,290,696 Cryoplasty device and method 147 1999
7,220,257 Cryotreatment device and method 72 2000
6,579,288 Fluid cooled apparatus for supporting diagnostic and therapeutic elements in contact with tissue 128 2000
6,942,661 Fluid cooled apparatus for supporting diagnostic and therapeutic elements in contact with tissue 77 2001
6,569,162 Passively self-cooled electrode design for ablation catheters 61 2001
6,540,743 Resilient radiopaque electrophysiology electrodes and probes including the same 4 2001
6,666,858 Cryo balloon for atrial ablation 127 2001
6,648,878 Cryoplasty device and method 92 2001
6,939,350 Apparatus for supporting diagnostic and therapeutic elements in contact with tissue including electrode cooling device 27 2001
6,709,431 Cryo-temperature monitoring 58 2001
6,989,009 Cryo balloon 104 2002
6,814,731 Methods for RF ablation using jet injection of conductive fluid 24 2002
7,303,558 Fluid cooled apparatus for supporting diagnostic and therapeutic elements in contact with tissue 41 2002
6,929,639 Cryo ablation coil 75 2002
* 2003/0208,252 Mri ablation catheter 27 2002
* 2003/0130,653 Electrosurgical tissue removal with a selectively insulated electrode 39 2002
* 2004/0167,466 Delivering cooled fluid to sites inside the body 10 2003
* 2004/0186,467 Apparatus for maintaining contact between diagnostic and therapeutic elements and tissue and systems including the same 36 2003
7,938,828 Cooled ablation catheter 9 2003
* 2004/0193,149 Cooled ablation catheter 8 2003
* 6,986,767 Multi-function surgical instrument 2 2003
* 2003/0212,389 Multi-function surgical instrument 3 2003
7,022,120 Cryoplasty device and method 69 2003
7,736,362 Catheter balloons 64 2003
* 2005/0059,965 Catheter balloons 61 2003
7,101,368 Cryo balloon for atrial ablation 77 2003
* 2004/0143,249 Cryo balloon for atrial ablation 2 2003
8,052,676 Surgical methods and apparatus for stimulating tissue 0 2003
7,608,072 Surgical methods and apparatus for maintaining contact between tissue and electrophysiology elements and confirming whether a therapeutic lesion has been formed 12 2003
* 7,347,859 Tissue treatment system and method for tissue perfusion using feedback control 27 2003
* 2005/0137,659 Tissue treatment system and method for tissue perfusion using feedback control 7 2003
7,371,233 Cooled probes and apparatus for maintaining contact between cooled probes and tissue 23 2004
* 2005/0187,544 Cooled probes and apparatus for maintaining contact between cooled probes and tissue 15 2004
8,235,976 Cryo-temperature monitoring 0 2004
* 2006/0025,840 Cooling tissue inside the body 1 2004
* 7,632,266 Endoscopic devices and related methods of use 2 2005
* 2006/0079,873 Endoscopic devices and related methods of use 12 2005
7,674,256 Treating internal body tissue 7 2005
7,189,227 Cryo balloon 54 2005
* 2005/0182,395 Cryo balloon 9 2005
7,172,589 Cryo ablation coil 48 2005
* 2005/0182,396 Cryo ablation coil 1 2005
8,894,642 Irrigated catheter 0 2005
8,016,822 Fluid injecting devices and methods and apparatus for maintaining contact between fluid injecting devices and tissue 6 2005
7,850,681 Cryoplasty device and method 14 2006
7,485,109 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
8,012,147 Cryotreatment device and method 49 2007
* 2007/0250,050 CRYOTREATMENT DEVICE AND METHOD 31 2007
* 2008/0221,562 TISSUE TREATMENT SYSTEM AND METHOD FOR TISSUE PERFUSION USING FEEDBACK CONTROL 1 2008
8,454,597 Endoscopic devices and related methods of use 1 2009
* 2010/0125,272 Endoscopic Devices And Related Methods Of Use 3 2009
8,088,125 Cryoplasty device and method 16 2010
8,409,266 Cryotreatment device and method 3 2011
8,845,707 Cryotreatment device and method 0 2013
* 2013/0274,737 RENAL NERVE MODULATION CATHETER DESIGN 11 2013
9,421,063 Endoscopic devices and related methods of use 0 2013
9,370,329 Map and ablate closed-loop cooled ablation catheter 0 2013
* 9,393,072 Map and ablate open irrigated hybrid catheter 0 2014
9,463,064 Ablation device with multiple ablation modes 0 2015
 
EDWARDS, STUART (1)
* 6,419,673 Ablation of rectal and other internal body structures 41 2000
 
E.P. LIMITED (1)
* 6,328,735 Thermal ablation system 52 1998
 
GYRUS MEDICAL LIMITED (20)
6,293,942 Electrosurgical generator method 502 1996
6,015,406 Electrosurgical instrument 413 1996
6,004,319 Electrosurgical instrument 465 1996
6,027,501 Electrosurgical instrument 432 1996
6,013,076 Electrosurgical instrument 335 1996
5,944,715 Electrosurgical instrument 493 1996
6,093,186 Electrosurgical generator and system 472 1997
6,416,509 Electrosurgical generator and system 447 1998
6,090,106 Electrosurgical instrument 375 1998
6,056,746 Electrosurgical instrument 541 1998
6,364,877 Electrosurgical generator and system 379 1998
6,306,134 Electrosurgical generator and system 436 1998
6,261,286 Electrosurgical generator and system 416 1998
6,210,405 Under water treatment 100 1998
6,277,114 Electrode assembly for an electrosurical instrument 220 1999
6,174,308 Electrosurgical instrument 225 1999
6,234,178 Electrosurgical instrument 282 1999
6,780,180 Electrosurgical instrument 321 2000
6,565,561 Electrosurgical instrument 44 2000
6,482,202 Under water treatment 122 2001
 
United States Surgical Corporation (4)
* 6,106,521 Apparatus for thermal treatment of tissue 129 1996
* 5,995,875 Apparatus for thermal treatment of tissue 93 1997
6,402,742 Controller for thermal treatment of tissue 165 2000
6,428,538 Apparatus and method for thermal treatment of body tissue 51 2000
 
PHILIPS ELECTRONICS NORTH AMERICA CORPORATION (4)
6,843,800 Patient temperature regulation method and apparatus 13 1999
6,379,378 Lumen design for catheter 100 2000
6,991,645 Patient temperature regulation method and apparatus 1 2002
7,101,386 Patient temperature regulation method and apparatus 24 2002
 
TYCO HEALTHCARE GROUP LP (1)
7,972,328 System and method for tissue sealing 39 2007
 
TYCO HEALTHCARE GROUP AG (12)
* 5,776,130 Vascular tissue sealing pressure control 533 1995
6,280,441 Apparatus and method for RF lesioning 244 1997
6,179,834 Vascular tissue sealing pressure control and method 269 1998
* 6,039,733 Method of vascular tissue sealing pressure control 531 1998
6,575,969 Cool-tip radiofrequency thermosurgery electrode system for tumor ablation 616 2000
* 6,506,189 Cool-tip electrode thermosurgery system 410 2000
6,881,214 Ablation treatment of bone metastases 72 2002
7,300,435 Automatic control system for an electrosurgical generator 307 2003
7,255,694 Variable output crest factor electrosurgical generator 70 2003
7,480,533 Ablation treatment of bone metastases 55 2005
* 2005/0192,564 Ablation treatment of bone metastases 79 2005
7,282,049 Electrosurgical system employing multiple electrodes and method thereof 122 2005
 
Advanced Neuromodulation Systems, Inc. (1)
6,208,881 Catheter with thin film electrodes and method for making same 99 1998
 
Philadelphia Heart Institute (2)
* 5,447,529 Method of using endocardial impedance for determining electrode-tissue contact, appropriate sites for arrhythmia ablation and tissue heating during ablation 122 1994
* 5,562,721 Method of using endocardial impedance for assessing tissue heating during ablation 86 1995
 
E-WATCH, INC. (1)
8,201,563 Method for introducing materials into a body 6 2006
 
MEDERI THERAPEUTICS, INC. (15)
* 6,273,886 Integrated tissue heating and cooling apparatus 411 1999
* 7,585,296 Method to treat gastric reflux via the detection and ablation of gastro-esophageal nerves and receptors 21 2005
8,696,660 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 7 2007
8,906,010 Graphical user interface for association with an electrode structure deployed in contact with a tissue region 0 2007
8,870,862 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 19 2009
8,728,074 Devices, systems and methods for treating tissue regions of the body 0 2009
* 2010/0057,080 Devices, systems and methods for treating tissue regions of the body 18 2009
* 2011/0077,550 Systems and methods for treating tissue regions of the body 5 2010
9,310,956 Systems and methods for controlling use and operation of a family of different treatment devices 0 2012
9,292,152 Systems and methods for controlling use and operation of a family of different treatment devices 0 2012
9,448,681 Systems and methods for controlling use and operation of a family of different treatment devices 0 2012
9,495,059 Systems and methods for controlling use and operation of a family of different treatment devices 0 2012
9,474,565 Systems and methods for treating tissue with radiofrequency energy 0 2013
 
SALIENT SURGICAL TECHNOLOGIES, INC. (1)
7,727,232 Fluid-assisted medical devices and methods 3 2005
 
SCIMED LIFE SYSTEMS, INC. (3)
* 5,680,860 Mapping and/or ablation catheter with coilable distal extremity and method for using same 459 1995
* 2005/0261,571 3-D ultrasound navigation during radio-frequency ablation 13 2004
* 2006/0178,663 Cryoplasty device and method 3 2006
 
SUPFINA GRIESHABER GMBH & CO. KG (1)
* 6,080,151 Ablation catheter 116 1997
 
RESPIRATORY DIAGNOSTICS, INC. (2)
7,122,031 Graphical user interface for association with an electrode structure deployed in contact with a tissue region 141 2001
* 2002/0068,932 Graphical user interface for association with an electrode structure deployed in contact with a tissue region 8 2001
 
INNERCOOL THERAPIES, INC. (2)
6,254,626 Articulation device for selective organ cooling apparatus 112 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 11 2003
 
TRANSAMERICA BUSINESS CREDIT CORPORATION (1)
* 6,002,956 Method of treating using an over-the-wire EP catheter 45 1997
 
ECLIPSE SURGICAL TECHNOLOGIES, INC. (2)
6,267,757 Revascularization with RF ablation 38 1997
* 6,156,031 Transmyocardial revascularization using radiofrequency energy 63 1998
 
TEAM MEDICAL, LLC (1)
* 5,554,172 Directed energy surgical method and assembly 119 1995
 
GE MARQUETTE MEDICAL SYSTEMS, INC. (1)
* 5,743,859 Integrated electrical signal switching and amplifying system 12 1996
 
SEEDLING ENTERPRISES, INC. (1)
* 5,647,871 Electrosurgery with cooled electrodes 516 1995
 
Webster, Cordis (1)
* 6,217,574 System and method for measuring subsurface temperature of tissue during ablation 80 1999
 
Xenogen Corporation (24)
7,403,812 Method and apparatus for determining target depth, brightness and size within a body region 9 2002
7,616,985 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
7,797,034 3-D in-vivo imaging and topography using structured light 3 2005
7,298,415 Structured light imaging apparatus 13 2005
* 2005/0201,614 3-D in-vivo imaging and topography using structured light 6 2005
8,044,996 Surface construction using combined photographic and structured light information 3 2006
* 2006/0268,153 Surface contruction using combined photographic and structured light information 27 2006
7,599,731 Fluorescent light tomography 8 2007
* 2007/0253,908 FLUORESCENT LIGHT TOMOGRAPHY 14 2007
7,764,986 Method and apparatus for determining target depth, brightness and size within a body region 1 2007
7,603,167 Method and apparatus for 3-D imaging of internal light sources 7 2007
7,555,332 Fluorescent light tomography 6 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 1 2007
8,279,334 Structured light imaging apparatus 0 2007
* 2008/0079,802 STRUCTURED LIGHT IMAGING APPARATUS 4 2007
7,860,549 Method and apparatus for 3-D imaging of internal light sources 1 2009
8,180,435 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
8,909,326 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
8,825,140 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 8 2005
 
Co-Repair, Inc. (4)
7,455,670 System and method for the treatment of heart tissue 3 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)
* 5,997,532 Ablation catheter tip with a buffer layer covering the electrode 76 1997
 
SMITH & NEPHEW, INC. (6)
7,150,747 Electrosurgical cutter 43 2003
7,655,003 Electrosurgical power control 18 2005
8,052,675 Electrosurgical power control 4 2010
* 2010/0121,317 Electrosurgical Power Control 7 2010
8,348,934 Electrosurgical power control 0 2011
8,603,082 Electrosurgical power control 1 2012
 
EP Technologies, Inc. (43)
* 5,577,509 Systems and methods for examining the electrical characteristics and timing of electrical events in cardiac tissue 16 1994
* 5,800,432 Systems and methods for actively cooling ablation electrodes using diodes 91 1995
* 5,735,846 Systems and methods for ablating body tissue using predicted maximum tissue temperature 272 1995
7,048,734 Systems and methods for electronically altering the energy emitting characteristics of an electrode array to create different lesion patterns in body tissue 68 1995
* 6,001,093 Systems and methods for creating long, thin lesions in body tissue 125 1995
* 5,871,525 Steerable ablation catheter system 235 1995
* 5,732,698 Systems for examining the electrical characteristics of cardiac tissue while minimizing contact with blood within the heart 95 1995
* 5,925,038 Expandable-collapsible electrode structures for capacitive coupling to tissue 195 1996
* 5,891,135 Stem elements for securing tubing and electrical wires to expandable-collapsible electrode structures 170 1996
* 5,891,136 Expandable-collapsible mesh electrode structures 250 1996
* 5,871,483 Folding electrode structures 230 1996
* 5,853,411 Enhanced electrical connections for electrode structures 111 1996
* 5,846,238 Expandable-collapsible electrode structures with distal end steering or manipulation 225 1996
* 5,836,874 Multi-function electrode structures for electrically analyzing and heating body tissue 256 1996
* 6,071,278 Tissue heating and ablation systems and methods using porous electrode structures with specified electrical resistivities 67 1996
* 5,961,513 Tissue heating and ablation systems and methods using porous electrode structures 102 1996
* 5,879,348 Electrode structures formed from flexible, porous, or woven materials 122 1996
* 5,868,736 Systems and methods to control tissue heating or ablation with porous electrode structures 48 1996
* 5,846,239 Tissue heating and ablation systems and methods using segmented porous electrode structures 96 1996
* 5,840,076 Tissue heating and ablation systems and methods using electrode structures with distally oriented porous regions 120 1996
* 5,830,213 Systems for heating and ablating tissue using multifunctional electrode structures 159 1996
* 5,797,903 Tissue heating and ablation systems and methods using porous electrode structures with electrically conductive surfaces 234 1996
* 5,871,523 Helically wound radio-frequency emitting electrodes for creating lesions in body tissue 305 1996
6,241,754 Composite structures and methods for ablating tissue to form complex lesion patterns in the treatment of cardiac conditions and the like 172 1996
* 6,146,379 Systems and methods for creating curvilinear lesions in body tissue 157 1996
* 6,106,522 Systems and methods for forming elongated lesion patterns in body tissue using straight or curvilinear electrode elements 169 1996
* 6,030,379 Systems and methods for seeking sub-surface temperature conditions during tissue ablation 61 1997
* 6,113,591 Systems and methods for sensing sub-surface temperatures in body tissue 101 1997
* 6,053,912 Systems and methods for sensing sub-surface temperatures in body tissue during ablation with actively cooled electrodes 214 1997
* 6,056,745 Systems and methods for obtaining desired lesion characteristics while ablating body tissue 178 1997
* 6,099,526 Electrode structure including hydrophilic material 76 1998
* 6,030,382 Flexible tissue ablatin elements for making long lesions 57 1998
6,514,246 Systems and methods for forming large lesions in body tissue using curvilinear electrode elements 110 1998
6,197,021 Systems and methods for controlling tissue ablation using multiple temperature sensing elements 131 1998
6,447,506 Systems and methods for creating long, thin lesions in body tissue 45 1999
6,475,213 Method of ablating body tissue 128 2000
7,115,122 Composite structures and methods for ablating tissue to form complex lesion patterns in the treatment of cardiac conditions and the like 45 2000
6,471,699 Systems and methods for forming elongated lesion patterns in body tissue using straight or curvilinear electrode elements 67 2000
6,500,172 Systems and methods for controlling tissue ablation using multiple temperature sensing elements 118 2000
7,413,568 Composite structures and methods for ablating tissue to form complex lesion patterns in the treatment of cardiac conditions and the like 17 2001
6,736,811 Expandable-collapsible electrode structures made of electrically conductive material 86 2002
7,335,196 Systems and methods for creating long, thin lesions in body tissue 35 2004
7,837,684 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 (87)
6,478,793 Ablation treatment of bone metastases 184 2000
7,137,980 Method and system for controlling output of RF medical generator 327 2003
7,749,217 Method and system for optically detecting blood and controlling a generator during electrosurgery 48 2003
RE40388 Electrosurgical generator with adaptive power control 121 2003
7,364,577 Vessel sealing system 158 2003
8,808,161 Redundant temperature monitoring in electrosurgical systems for safety mitigation 1 2003
8,104,956 Thermocouple measurement circuit 33 2003
7,131,860 Connector systems for electrosurgical generator 272 2003
7,044,948 Circuit for controlling arc energy from an electrosurgical generator 223 2003
8,012,150 Method and system for programming and controlling an electrosurgical generator system 38 2004
7,722,601 Method and system for programming and controlling an electrosurgical generator system 40 2004
7,396,336 Switched resonant ultrasonic power amplifier system 205 2004
7,303,557 Vessel sealing system 291 2004
7,901,400 Method and system for controlling output of RF medical generator 141 2005
7,766,905 Method and system for continuity testing of medical electrodes 17 2005
7,780,662 Vessel sealing system using capacitive RF dielectric heating 45 2005
7,628,786 Universal foot switch contact port 14 2005
* 7,879,031 Cooled RF ablation needle 9 2005
* 2007/0073,285 Cooled RF ablation needle 19 2005
7,776,035 Cool-tip combined electrode introducer 13 2005
* 2006/0079,885 Cool-tip combined electrode introducer 23 2005
7,553,309 Electrosurgical system employing multiple electrodes and method thereof 27 2005
* 2006/0079,887 Electrosurgical system employing multiple electrodes and method thereof 95 2005
8,734,438 Circuit and method for reducing stored energy in an electrosurgical generator 0 2005
7,947,039 Laparoscopic apparatus for performing electrosurgical procedures 12 2005
7,467,075 Three-dimensional finite-element code for electrosurgery and thermal ablation simulations 6 2005
7,513,896 Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling 59 2006
7,824,400 Circuit for controlling arc energy from an electrosurgical generator 10 2006
7,651,493 System and method for controlling electrosurgical snares 46 2006
7,648,499 System and method for generating radio frequency energy 32 2006
9,474,564 Method and system for compensating for external impedance of an energy carrying component when controlling an electrosurgical generator 0 2006
8,795,270 System and method for ablating tissue 0 2006
7,651,492 Arc based adaptive control system for an electrosurgical unit 40 2006
* 2007/0250,054 System and method for ablating tissue 22 2006
8,753,334 System and method for reducing leakage current in an electrosurgical generator 0 2006
7,763,018 Cool-tip thermocouple including two-piece hub 15 2006
* 2008/0027,424 Cool-tip thermocouple including two-piece hub 20 2006
8,034,049 System and method for measuring initial tissue impedance 27 2006
7,731,717 System and method for controlling RF output during tissue sealing 56 2006
7,416,437 Connector systems for electrosurgical generator 93 2006
7,637,907 System and method for return electrode monitoring 7 2006
* 2008/0071,263 System and method for return electrode monitoring 5 2006
7,794,457 Transformer for RF voltage sensing 11 2006
8,105,323 Method and system for controlling output of RF medical generator 82 2006
8,663,214 Method and system for controlling an output of a radio-frequency medical generator having an impedance based control algorithm 0 2007
7,927,328 System and method for closed loop monitoring of monopolar electrosurgical apparatus 129 2007
8,080,008 Method and system for programming and controlling an electrosurgical generator system 11 2007
8,182,477 Electrosurgical system employing multiple electrodes and method thereof 3 2007
* 2008/0021,448 Electrosurgical system employing multiple electrodes and method thereof 27 2007
8,287,528 Vessel sealing system 66 2008
7,766,693 Connector systems for electrosurgical generator 50 2008
8,113,057 Switched resonant ultrasonic power amplifier system 7 2008
8,096,961 Switched resonant ultrasonic power amplifier system 6 2008
8,672,937 Cool-tip thermocouple including two-piece hub 0 2008
* 2008/0287,946 Cool-Tip Thermocouple Including Two-Piece Hub 8 2008
7,699,842 Electrosurgical system employing multiple electrodes and method thereof 16 2008
* 2009/0054,891 ELECTROSURGICAL SYSTEM EMPLOYING MULTIPLE ELECTRODES AND METHOD THEREOF 3 2008
7,702,495 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
8,685,016 System and method for tissue sealing 2 2009
8,216,223 System and method for tissue sealing 20 2009
8,147,485 System and method for tissue sealing 75 2009
8,202,271 Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling 2 2009
8,187,262 Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling 1 2009
8,025,660 Universal foot switch contact port 10 2009
8,556,890 Arc based adaptive control system for an electrosurgical unit 1 2009
7,972,332 System and method for controlling electrosurgical snares 10 2009
8,062,290 Electrosurgical system employing multiple electrodes 11 2010
8,303,580 Method and system for programming and controlling an electrosurgical generator system 36 2010
8,298,223 Method and system for programming and controlling an electrosurgical generator system 36 2010
8,377,057 Cool-tip combined electrode introducer 9 2010
8,523,855 Circuit for controlling arc energy from an electrosurgical generator 0 2010
8,231,616 Transformer for RF voltage sensing 1 2010
8,267,928 System and method for closed loop monitoring of monopolar electrosurgical apparatus 0 2011
8,241,278 Laparoscopic apparatus for performing electrosurgical procedures 3 2011
8,398,626 Electrosurgical system employing multiple electrodes 19 2011
8,267,929 Method and system for programming and controlling an electrosurgical generator system 9 2011
8,647,340 Thermocouple measurement system 0 2012
8,485,993 Switched resonant ultrasonic power amplifier system 1 2012
9,168,089 Method and system for controlling output of RF medical generator 0 2012
9,113,900 Method and system for controlling output of RF medical generator 0 2012
9,113,888 Electrosurgical system employing multiple electrodes and method thereof 0 2012
9,186,200 System and method for tissue sealing 0 2012
8,668,688 Soft tissue RF transection and resection device 0 2012
8,475,447 System and method for closed loop monitoring of monopolar electrosurgical apparatus 0 2012
8,966,981 Switched resonant ultrasonic power amplifier system 0 2013
9,119,624 ARC based adaptive control system for an electrosurgical unit 0 2013
 
VENTURE LENDING & LEASING, INC. (1)
* 5,542,916 Dual-channel RF power delivery system 277 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. (3)
9,095,348 Moisture transport system for contact electrocoagulation 0 2013
8,998,898 Moisture transport system for contact electrocoagulation 0 2014
9,247,989 Moisture transport system for contact electrocoagulation 0 2015
 
AUSLO RESEARCH LLC (1)
* 5,800,486 Device for transurethral thermal therapy with cooling balloon 153 1996
 
NEUROTHERM, INC. (31)
* 6,122,549 Apparatus for treating intervertebral discs with resistive energy 335 1997
* 6,095,149 Method for treating intervertebral disc degeneration 285 1997
* 6,073,051 Apparatus for treating intervertebal discs with electromagnetic energy 375 1997
* 6,007,570 Apparatus with functional element for performing function upon intervertebral discs 299 1997
* 5,980,504 Method for manipulating tissue of an intervertebral disc 322 1997
* 6,126,682 Method for treating annular fissures in intervertebral discs 381 1998
* 6,099,514 Method and apparatus for delivering or removing material from the interior of an intervertebral disc 277 1998
6,261,311 Method and apparatus for treating intervertebral discs 238 1999
6,517,568 Method and apparatus for treating intervertebral discs 75 2000
6,547,810 Method for treating intervertebral discs 91 2000
6,767,347 Catheter for delivery of energy to a surgical site 79 2001
6,749,605 Catheter for delivery of energy to a surgical site 74 2001
7,069,087 Apparatus and method for accessing and performing a function within an intervertebral disc 49 2001
6,832,997 Electromagnetic energy delivery intervertebral disc treatment devices 38 2001
6,733,496 Intervertebral disc device employing flexible probe 171 2001
6,726,685 Intervertebral disc device employing looped probe 100 2001
6,638,276 Intervertebral disc device employing prebent sheath 85 2001
6,878,155 Method of treating intervertebral disc tissue employing attachment mechanism 71 2001
6,997,941 Method and apparatus for treating annular fissures in intervertebral discs 87 2003
* 2003/0181,964 Method and apparatus for treating annular fissures in intervertebral discs 12 2003
7,400,930 Method for treating intervertebral discs 37 2003
7,282,061 Method of treating intervertebral disc 79 2003
7,267,683 Method for treating intervertebral discs 42 2003
7,226,447 Electrosurgical generator 85 2004
* 2005/0288,662 Electrosurgical generator 4 2004
7,309,336 Catheter for delivery of energy to a surgical site 45 2004
8,226,697 Method for treating intervertebral disc 0 2007
8,187,312 Method for treating intervertebral disc 0 2007
8,128,619 Method for treating intervertebral discs 0 2007
* 2008/0051,859 METHOD FOR TREATING INTERVERTEBRAL DISCS 5 2007
7,647,123 Method for treating intervertebral discs 19 2007
 
MEDTRONIC CRYOCATH LP (16)
7,097,641 Catheter with cryogenic and heating ablation 81 1999
* 2004/0158,237 Multi-energy ablation station 13 2003
7,465,300 Catheter with cryogenic and electrical heating ablation 14 2005
* 2006/0004,351 Catheter with cryogenic and electrical heating ablation 12 2005
7,842,031 Bioimpedance measurement system and method 0 2005
* 2007/0255,162 Bioimpedance measurement system and method 71 2005
7,896,870 Catheter with cryogenic and electrical heating ablation 0 2007
7,951,140 Catheter with cryogenic and electrical heating ablation 2 2008
* 2008/0114,345 CATHETER WITH CRYOGENIC AND ELECTRICAL HEATING ABLATION 3 2008
7,914,525 Bioimpedance measurement system and method 0 2008
* 2008/0200,828 BIOIMPEDANCE MEASUREMENT SYSTEM AND METHOD 3 2008
* 2008/0200,829 BIOIMPEDANCE MEASUREMENT SYSTEM AND METHOD 2 2008
8,083,732 Catheter with cryogenic and electrical heating ablation 3 2011
* 2011/0196,359 CATHETER WITH CRYOGENIC AND ELECTRICAL HEATING ABLATION 1 2011
8,287,526 Method of simultaneously freezing and heating tissue for ablation 1 2011
9,439,706 System and method for monitoring bioimpedance and respiration 0 2014
 
COVIDIEN LP (42)
7,824,408 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 7 2004
7,625,372 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 18 2005
D574323 Generator 96 2007
8,777,941 Adjustable impedance electrosurgical electrodes 0 2007
7,777,130 Microwave cable cooling 7 2007
9,486,269 Electrosurgical systems and cartridges for use therewith 0 2007
* 2008/0319,438 Electrosurgical systems and cartridges for use therewith 16 2007
7,834,484 Connection cable and method for activating a voltage-controlled generator 47 2007
8,216,220 System and method for transmission of combined data stream 4 2007
8,181,995 Cool tip junction 8 2007
* 2009/0069,793 Cool tip junction 0 2007
8,512,332 Real-time arc control in electrosurgical generators 1 2007
8,211,099 Thermal feedback systems and methods of using the same 24 2008
* 2008/0183,165 Thermal Feedback Systems and Methods of Using the Same 49 2008
8,226,639 System and method for output control of electrosurgical generator 11 2008
8,608,739 Electrosurgical devices, systems and methods of using the same 2 2008
8,852,179 Apparatus, system and method for monitoring tissue during an electrosurgical procedure 5 2008
* 8,734,444 System and method for delivering high current to electrosurgical device 2 2008
* 2010/0094,288 System and Method for Delivering High Current to Electrosurgical Device 20 2008
* 2010/0094,271 Apparatus, System and Method for Monitoring Tissue During an Electrosurgical Procedure 89 2008
8,292,880 Targeted cooling of deployable microwave antenna 12 2008
* 9,113,926 Management of voltage standing wave ratio at skin surface during microwave ablation 1 2009
* 2011/0077,636 Management of Voltage Standing Wave Ratio at Skin Surface During Microwave Ablation 23 2009
8,361,061 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 0 2009
8,093,500 Microwave cable cooling 2 2010
8,936,631 Apparatus and methods for treating hollow anatomical structures 0 2010
* 2011/0166,519 APPARATUS AND METHODS FOR TREATING HOLLOW ANATOMICAL STRUCTURES 10 2010
8,083,738 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 4 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 5 2011
9,033,973 System and method for DC tissue impedance sensing 0 2011
8,357,157 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 0 2011
* 8,945,113 Electrosurgical tissue ablation systems capable of detecting excessive bending of a probe and alerting a user 1 2012
8,480,665 Cool tip junction 4 2012
8,353,905 System and method for transmission of combined data stream 3 2012
8,568,402 Thermal feedback systems and methods of using the same 10 2012
8,480,666 Thermal feedback systems and methods of using the same 17 2012
8,486,061 Imaginary impedance process monitoring and intelligent shut-off 0 2012
8,795,266 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 0 2012
8,721,639 Methods and apparatus for coagulating and/or constricting hollow anatomical structures 2 2012
9,271,790 Real-time arc control in electrosurgical generators 0 2013
8,956,350 Thermal feedback systems and methods of using the same 0 2013
 
ORATEC INTERVENTIONS, INC. (19)
* 5,785,705 RF method for controlled depth ablation of soft tissue 295 1995
6,482,204 Method and apparatus for controlled contraction of soft tissue 50 1996
* 6,068,628 Apparatus for treating chondromalacia 201 1996
6,461,353 Orthopedic apparatus for controlled contraction of collagen tissue 9 1997
6,168,593 Electrode for electrosurgical coagulation of tissue 179 1998
* 6,135,999 Concave probe for arthroscopic surgery 216 1998
* 5,954,716 Method for modifying the length of a ligament 246 1998
* 6,007,533 Electrocauterizing tip for orthopedic shave devices 68 1998
* 6,004,320 Clip on electrocauterizing sheath for orthopedic shave devices 64 1998
6,283,960 Apparatus for delivery of energy to a surgical site 98 1998
6,214,001 Electrocauterizing tool for orthopedic shave devices 104 1998
6,176,857 Method and apparatus for applying thermal energy to tissue asymmetrically 121 1998
6,350,262 Method and apparatus for applying thermal energy to tissue asymetrically 143 2000
6,391,028 Probe with distally orientated concave curve for arthroscopic surgery 105 2000
6,645,203 Surgical instrument with off-axis electrode 28 2001
6,695,839 Method and apparatus for treatment of disrupted articular cartilage 45 2001
6,645,204 Intervertebral disc device employing flexible probe 0 2001
6,757,565 Electrosurgical instrument having a predetermined heat profile 27 2002
6,939,346 Method and apparatus for controlling a temperature-controlled probe 255 2002
 
MEDTRONIC, INC. (84)
* 5,431,649 Method and apparatus for R-F ablation 536 1993
* 5,609,151 Method for R-F ablation 493 1994
* 5,876,398 Method and apparatus for R-F ablation 145 1995
* 5,725,524 Apparatus for R-F ablation 332 1996
* 5,913,854 Fluid cooled ablation catheter and method for making 140 1997
* 6,016,809 Method and apparatus for R-F ablation 125 1997
* 5,906,613 Method for R-F ablation 112 1997
* 6,409,722 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 386 1999
* 6,736,810 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 200 2001
6,537,272 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 307 2001
7,967,816 Fluid-assisted electrosurgical instrument with shapeable electrode 9 2002
* 6,849,073 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 380 2002
* 2003/0073,989 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 38 2002
7,507,235 Method and system for organ positioning and stabilization 75 2002
7,294,143 Device and method for ablation of cardiac tissue 33 2003
7,118,566 Device and method for needle-less interstitial injection of fluid for ablation of cardiac tissue 34 2003
6,989,010 Ablation system and method of use 169 2003
7,497,857 Endocardial dispersive electrode for use with a monopolar RF ablation pen 1 2003
7,615,015 Focused ultrasound ablation devices having selectively actuatable emitting elements and methods of using the same 105 2003
7,083,620 Electrosurgical hemostat 303 2003
7,156,843 Irrigated focal ablation tip 37 2003
* 2005/0055,020 Irrigated focal ablation tip 3 2003
7,367,972 Ablation system 128 2003
7,347,858 Method and system for treatment of atrial tachyarrhythmias 8 2003
* 7,169,144 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 215 2003
* 2004/0092,926 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 29 2003
7,094,235 Method and apparatus for tissue ablation 59 2004
* 8,162,933 Vibration sensitive ablation device and method 51 2004
8,333,764 Device and method for determining tissue thickness and creating cardiac ablation lesions 102 2004
* 7,247,155 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 200 2004
7,470,272 Device and method for ablating tissue 60 2004
6,949,098 Pen-type electrosurgical instrument 111 2004
* 2004/0236,324 Pen-type electrosurgical instrument 11 2004
7,322,974 TUNA device with integrated saline reservoir 79 2004
8,512,337 Method and system for treatment of atrial tachyarrhythmias 0 2004
7,250,048 Ablation system and method of use 103 2004
* 2005/0090,815 Ablation system and method of use 37 2004
7,628,780 Devices and methods for interstitial injection of biologic agents into tissue 16 2004
7,364,578 System and method of performing an electrosurgical procedure 81 2004
7,963,963 Electrosurgical hemostat 180 2005
7,435,250 Method and apparatus for tissue ablation 18 2005
7,706,894 Heart wall ablation/mapping catheter and method 19 2005
7,706,882 Methods of using high intensity focused ultrasound to form an ablated tissue area 45 2005
7,758,576 Clamping ablation tool and method 3 2005
7,758,580 Compound bipolar ablation device and method 1 2005
7,678,108 Loop ablation apparatus and method 46 2005
7,566,334 Ablation device with jaws 61 2005
7,740,623 Devices and methods for interstitial injection of biologic agents into tissue 11 2005
7,309,325 Helical needle apparatus for creating a virtual electrode used for the ablation of tissue 62 2005
7,818,039 Suction stabilized epicardial ablation devices 3 2005
* 8,911,438 Tuna device with integrated saline reservoir 0 2005
* 2008/0262,491 Tuna Device with Integrated Saline Reservoir 36 2005
7,156,845 Method and apparatus for creating a bi-polar virtual electrode used for the ablation of tissue 77 2005
7,166,105 Pen-type electrosurgical instrument 52 2005
* 2006/0074,414 Pen-type electrosurgical instrument 1 2005
7,678,111 Device and method for ablating tissue 32 2005
8,221,402 Method for guiding a medical device 22 2005
7,824,399 Ablation system and method of use 21 2006
7,250,051 Method and apparatus for tissue ablation 42 2006
7,975,703 Device and method for needle-less interstitial injection of fluid for ablation of cardiac tissue 2 2006
7,744,562 Devices and methods for interstitial injection of biologic agents into tissue 3 2006
8,414,573 Device and method for ablation of cardiac tissue 0 2006
7,422,588 Pen-type electrosurgical instrument 15 2006
8,663,245 Device for occlusion of a left atrial appendage 0 2007
7,959,626 Transmural ablation systems and methods 109 2007
8,262,649 Method and apparatus for tissue ablation 1 2007
8,221,415 Method and apparatus for tissue ablation 16 2007
7,699,805 Helical coil apparatus for ablation of tissue 8 2007
8,235,984 Tuna device with integrated saline reservoir 0 2007
* 2008/0077,125 TUNA DEVICE WITH INTEGRATED SALINE RESERVOIR 0 2007
9,113,896 Method and apparatus for creating a bi-polar virtual electrode used for the ablation of tissue 0 2007
7,794,460 Method of ablating tissue 8 2008
7,871,409 Endocardial dispersive electrode for use with a monopolar RF ablation pen 0 2009
8,821,488 Tissue lesion evaluation 0 2009
8,623,010 Cardiac mapping instrument with shapeable electrode 0 2009
7,875,028 Ablation device with jaws 2 2009
8,409,219 Method and system for placement of electrical lead inside heart 1 2009
8,926,635 Methods and devices for occlusion of an atrial appendage 0 2009
8,273,072 Devices and methods for interstitial injection of biologic agents into tissue 2 2009
9,227,088 Methods of using high intensity focused ultrasound to form an ablated tissue area containing a plurality of lesions 0 2010
8,172,837 Clamping ablation tool and method 0 2010
8,162,941 Ablation device with jaws 0 2010
8,706,260 Heart wall ablation/mapping catheter and method 0 2011
8,801,707 Method and devices for treating atrial fibrillation by mass ablation 0 2012
 
BIOSENSE WEBSTER, INC. (2)
6,602,242 Irrigated tip catheter 195 2000
6,458,123 Ablation catheter with positional sensor 41 2000
 
MEDTRONIC ABLATION FRONTIERS LLC (15)
8,617,152 Ablation system with feedback 1 2005
* 2006/0089,637 Ablation catheter 208 2005
8,657,814 User interface for tissue ablation system 3 2006
7,850,685 Ablation catheter 119 2006
8,834,461 Low power tissue ablation system 1 2006
8,641,704 Ablation therapy system and method for treating continuous atrial fibrillation 2 2008
8,771,269 RF energy delivery system and method 2 2008
9,005,194 Atrial ablation catheter adapted for treatment of septal wall arrhythmogenic foci and method of use 0 2008
* 2008/0275,443 ATRIAL ABLATION CATHETER ADAPTED FOR TREATMENT OF SEPTAL WALL ARRHYTHMOGENIC FOCI AND METHOD OF USE 1 2008
8,273,084 Atrial ablation catheter and method of use 9 2008
8,486,063 Ablation catheter 52 2008
* 8,556,891 Variable-output radiofrequency ablation power supply 2 2010
* 2011/0218,526 VARIABLE-OUTPUT RADIOFREQUENCY ABLATION POWER SUPPLY 4 2010
8,337,492 Ablation catheter 22 2010
8,979,841 Ablation catheter 2 2014
 
HADRONIC PRESS, INC. (1)
6,245,068 Resilient radiopaque electrophysiology electrodes and probes including the same 30 1999
 
MASSACHUSETTS GENERAL HOSPITAL (1)
6,312,426 Method and system for performing plate type radiofrequency ablation 65 1997
 
Medtronic CardioRhythm (1)
* 5,584,830 Method and system for radiofrequency ablation of cardiac tissue 214 1994
 
AVENT, INC. (16)
7,163,536 Determining connections of multiple energy sources and energy delivery devices 62 2004
8,882,755 Electrosurgical device for treatment of tissue 0 2005
* 2005/0177,211 Electrosurgical device for treatment of tissue 19 2005
8,043,287 Method of treating biological tissue 0 2005
* 7,799,021 Electrosurgical treatment in conjunction with monitoring 43 2005
* 2006/0030,845 Electrosurgical treatment in conjunction with monitoring 13 2005
8,096,957 Method for removing material from a patient's body 4 2006
8,361,063 System and method for controlling energy delivery 0 2007
* 2007/0118,191 SYSTEM AND METHOD FOR CONTROLLING ENERGY DELIVERY 0 2007
8,518,036 Electrosurgical tissue treatment method 0 2007
* 2008/0065,062 ELECTROSURGICAL TISSUE TREATMENT METHOD 5 2007
8,343,146 Methods for control of energy delivery to multiple energy delivery devices 0 2008
9,486,275 Electrosurgical apparatus having a sensor 0 2010
8,505,545 Method of and device for introducing materials into a body 0 2012
8,740,897 Electrosurgical tissue treatment method and device 0 2013
9,474,573 Electrosurgical tissue treatment device 0 2013
 
CATHRX LTD (1)
* 6,346,104 System for simultaneous unipolar multi-electrode ablation 235 1998
 
MEDTRONIC ALBATION FRONTIERS LLC (1)
9,468,495 Ablation catheter 0 2015
 
E.P. Technologies Inc. (1)
* 5,810,802 Systems and methods for controlling tissue ablation using multiple temperature sensing elements 409 1997
 
ADVANCED BIONICS CORPORATION (1)
* 2004/0167,392 Brain therapy 26 2004
 
ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. (35)
* 5,676,662 Ablation catheter 224 1995
6,264,654 Ablation catheter 94 1999
6,605,087 Ablation catheter 82 2001
7,235,070 Ablation fluid manifold for ablation catheter 101 2003
7,101,362 Steerable and shapable catheter employing fluid force 22 2003
* 2005/0004,565 Ablation fluid manifold for ablation catheter 10 2003
7,819,866 Ablation catheter and electrode 55 2003
* 2004/0143,256 Ablation catheter and electrode 24 2003
7,311,704 Spring-tip, flexible electrode catheter for tissue ablation 39 2004
7,087,053 Catheter with bifurcated, collapsible tip for sensing and ablating 148 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 6 2004
7,776,034 Ablation catheter with adjustable virtual electrode 25 2005
7,419,486 Treatment and diagnostic catheters with hydrogel electrodes 39 2005
* 2007/0005,051 Ablation catheter with adjustable virtual electrode 12 2005
* 2007/0005,052 Treatment and diagnostic catheters with hydrogel electrodes 0 2005
7,819,868 Ablation catheter with fluid distribution structures 7 2005
7,879,030 Multipolar, virtual-electrode catheter with at least one surface electrode and method for ablation 7 2005
* 2005/0267,467 Bipolar conforming electrode catheter and methods for ablation 43 2005
7,416,552 Multipolar, multi-lumen, virtual-electrode catheter with at least one surface electrode and method for ablation 35 2005
7,326,208 Ablation catheter having a virtual electrode comprising portholes and a porous conductor 23 2005
* 2006/0052,773 Ablation catheter having a virtual electrode comprising portholes and a porous conductor 0 2005
7,419,489 Ablation catheter assembly having a virtual electrode comprising portholes 42 2006
* 2006/0111,708 Ablation catheter assembly having a virtual electrode comprising portholes 10 2006
* 7,766,907 Ablation catheter with sensor array and discrimination circuit to minimize variation in power density 2 2006
8,128,620 Irrigated ablation electrode having proximal direction flow 9 2007
* 2009/0125,017 IRRIGATED ABLATION ELECTRODE HAVING RECESSED SURFACE PORTIONS 3 2007
* 2009/0125,016 IRRIGATED ABLATION ELECTRODE HAVING PROXIMAL DIRECTION FLOW 4 2007
8,273,082 Irrigated ablation catheter assembly having a flow member to create parallel external flow 9 2007
8,221,409 Thermally insulated irrigation catheter assembly 6 2007
8,216,225 Irrigated ablation electrode assembly having a polygonal electrode 0 2007
8,118,809 Flexible conductive polymer electrode and method for ablation 10 2007
8,864,758 Catheter design that facilitates positioning at tissue to be diagnosed or treated 0 2008
8,012,152 Treatment and diagnostic catheters with hydrogel electrodes 0 2008
8,585,697 Irrigated ablation catheter assembly having a flow member to create parallel external flow 0 2012
 
ThermopeutiX, Inc. (4)
7,789,846 System and methods for selective thermal treatment 1 2005
* 2006/0167,398 System and methods for selective thermal treatment 5 2005
7,704,220 Systems and methods for selective thermal treatment 1 2006
* 2006/0167,399 Systems and methods for selective thermal treatment 2 2006
 
MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH (1)
* 2011/0118,601 Ultrasound Guided Systems and Methods 0 2009
 
The General Hospital Corporation (2)
8,268,332 Method for dermatological treatment using chromophores 19 2005
9,452,013 Apparatus for dermatological treatment using chromophores 0 2012
 
INTUITIVE SURGICAL OPERATIONS, INC. (28)
7,860,555 Tissue visualization and manipulation system 55 2005
7,930,016 Tissue closure system 10 2006
7,860,556 Tissue imaging and extraction systems 33 2006
7,918,787 Tissue visualization and manipulation systems 8 2007
8,050,746 Tissue visualization device and method variations 15 2007
8,137,333 Delivery of biological compounds to ischemic and/or infarcted tissue 22 2007
8,221,310 Tissue visualization device and method variations 23 2007
8,934,962 Electrophysiology mapping and visualization system 4 2007
9,226,648 Off-axis visualization systems 0 2007
8,758,229 Axial visualization systems 3 2007
8,131,350 Stabilization of visualization catheters 22 2007
8,078,266 Flow reduction hood systems 8 2008
9,155,452 Complex shape steerable tissue visualization and manipulation catheter 0 2008
8,657,805 Complex shape steerable tissue visualization and manipulation catheter 5 2008
8,709,008 Visual electrode ablation systems 1 2008
8,235,985 Visualization and ablation system variations 9 2008
8,858,609 Stent delivery under direct visualization 0 2009
9,155,587 Visual electrode ablation systems 0 2009
9,101,735 Catheter control systems 0 2009
8,333,012 Method of forming electrode placement and connection systems 9 2009
9,468,364 Intravascular catheter with hood and image processing systems 0 2009
9,055,906 In-vivo visualization systems 2 2010
8,694,071 Image stabilization techniques and methods 0 2011
8,417,321 Flow reduction hood systems 6 2011
8,419,613 Tissue visualization device 7 2011
8,814,845 Delivery of biological compounds to ischemic and/or infarcted tissue 3 2012
9,192,287 Tissue visualization device and method variations 0 2012
9,332,893 Delivery of biological compounds to ischemic and/or infarcted tissue 0 2014
 
EXPANDING CONCEPTS, LLC (4)
6,673,063 Epidural thermal posterior annuloplasty 84 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 (56)
* 6,557,559 Electrosurgical systems and methods with temperature control 116 1998
* 7,422,585 System for electrosurgical myocardial revascularization 37 1999
7,505,812 Electrosurgical system for treating restenosis of body lumens 46 1999
7,572,251 Systems and methods for electrosurgical tissue treatment 45 1999
7,678,069 System for electrosurgical tissue treatment in the presence of electrically conductive fluid 53 2000
7,442,191 Systems and methods for electrosurgical treatment of turbinates 161 2001
* 7,270,661 Electrosurgical apparatus and methods for treatment and removal of tissue 129 2002
* 2002/0095,151 Electrosurgical apparatus and methods for treatment and removal of tissue 28 2002
7,435,247 Systems and methods for electrosurgical tissue treatment 120 2002
7,297,143 Temperature indicating electrosurgical apparatus and methods 89 2004
8,012,153 Rotary electrosurgical apparatus and methods thereof 10 2004
7,491,200 Method for treating obstructive sleep disorder includes removing tissue from base of tongue 50 2005
7,892,230 Electrosurgical device having planar vertical electrode and related methods 21 2005
7,632,267 Fuse-electrode electrosurgical apparatus 48 2005
7,691,101 Electrosurgical method and system for treating foot ulcer 57 2006
7,429,260 Systems and methods for electrosurgical tissue contraction within the spine 68 2006
7,445,618 Methods for tissue ablation using pulsed energy 60 2007
7,862,560 Ablation apparatus having reduced nerve stimulation and related methods 60 2007
7,507,236 System and method for electrosurgical cutting and ablation 69 2007
8,114,071 Hard tissue ablation system 8 2007
7,988,689 Electrosurgical apparatus and methods for treatment and removal of tissue 10 2007
8,663,216 Instrument for electrosurgical tissue treatment 3 2007
8,192,424 Electrosurgical system with suction control apparatus, system and method 54 2008
9,358,063 Ablation performance indicator for electrosurgical devices 0 2008
8,747,400 Systems and methods for screen electrode securement 2 2008
7,819,863 System and method for electrosurgical cutting and ablation 16 2008
8,355,799 Systems and methods for limiting joint temperature 15 2008
8,574,187 System and method of an electrosurgical controller with output RF energy control 9 2009
8,876,746 Electrosurgical system and method for treating chronic wound tissue 1 2009
8,663,152 Electrosurgical method and system for treating foot ulcer 0 2009
8,663,153 Electrosurgical method and system for treating foot ulcer 0 2009
8,663,154 Electrosurgical method and system for treating foot ulcer 0 2009
8,636,685 Electrosurgical method and system for treating foot ulcer 0 2009
8,257,350 Method and system of an electrosurgical controller with wave-shaping 4 2009
8,323,279 System, method and apparatus for electrosurgical instrument with movable fluid delivery sheath 24 2009
9,254,167 Electrosurgical system and method for sterilizing chronic wound tissue 0 2009
8,372,067 Electrosurgery irrigation primer systems and methods 7 2009
8,747,399 Method and system of reduction of low frequency muscle stimulation during electrosurgical procedures 4 2010
8,696,659 Electrosurgical system and method having enhanced temperature measurement 0 2010
9,168,087 Electrosurgical system and method for sterilizing chronic wound tissue 0 2010
8,685,018 Electrosurgical wand and related method and system 6 2010
8,568,405 Electrosurgical wand and related method and system 10 2010
D658760 Wound care electrosurgical wand 18 2010
8,747,401 Systems and methods for turbinate reduction 7 2011
9,131,597 Electrosurgical system and method for treating hard body tissue 0 2011
9,168,082 Fine dissection electrosurgical device 0 2011
8,444,638 Hard tissue ablation system 1 2012
9,011,428 Electrosurgical device with internal digestor electrode 3 2012
8,870,866 Electrosurgical system with suction control apparatus, system and method 1 2012
* 2012/0215,221 ELECTROSURGICAL SYSTEM WITH SUCTION CONTROL APPARATUS, SYSTEM AND METHOD 17 2012
9,138,282 Method and system of an electrosurgical controller with wave-shaping 0 2012
9,452,008 Systems and methods for limiting joint temperature 0 2012
9,095,358 Electrosurgery irrigation primer systems and methods 0 2012
9,254,166 Systems and methods for turbinate reduction 0 2013
9,271,784 Fine dissection electrosurgical device 0 2013
* 9,254,164 Electrosurgical system with suction control apparatus, system and method 0 2014
 
AccuTarget MediPharma (Shanghai) Corp. Ltd. (1)
* 2008/0154,258 Radio Frequency Ablation System with Joule-Thomson Cooler 23 2007
 
CONCEPTX MEDICAL, INC. (1)
* 2009/0248,011 CHRONIC VENOUS INSUFFICIENCY TREATMENT 22 2009
 
ZOLL CIRCULATION, INC. (82)
* 6,051,019 Selective organ hypothermia method and apparatus 171 1998
* 6,042,559 Insulated catheter for selective organ perfusion 187 1998
* 5,957,963 Selective organ hypothermia method and apparatus 231 1998
6,231,595 Circulating fluid hypothermia method and apparatus 137 1998
* 6,096,068 Selective organ cooling catheter and method of using the same 191 1998
6,261,312 Inflatable catheter for selective organ heating and cooling and method of using the same 128 1998
6,251,129 Method for low temperature thrombolysis and low temperature thrombolytic agent with selective organ temperature control 115 1998
6,251,130 Device for applications of selective organ cooling 181 1998
6,245,095 Method and apparatus for location and temperature specific drug action such as thrombolysis 127 1999
6,491,716 Method and device for applications of selective organ cooling 22 1999
6,238,428 Selective organ cooling apparatus and method employing turbulence-inducing element with curved terminations 105 1999
6,312,452 Selective organ cooling catheter with guidewire apparatus and temperature-monitoring device 115 1999
6,224,624 Selective organ cooling apparatus and method 131 1999
6,235,048 Selective organ hypothermia method and apparatus 117 1999
* 6,149,677 Circulating fluid hypothermia method 179 1999
6,325,818 Inflatable cooling apparatus for selective organ hypothermia 74 1999
6,491,039 Medical procedure 32 2000
6,471,717 Selective organ cooling apparatus and method 16 2000
6,464,716 Selective organ cooling apparatus and method 42 2000
6,582,455 Method and device for applications of selective organ cooling 22 2000
6,482,226 Selective organ hypothermia method and apparatus 18 2000
6,478,811 Method for low temperature thrombolysis and low temperature thrombolytic agent with selective organ temperature control 28 2000
6,468,296 Method for low temperature thrombolysis and low temperature thrombolytic agent with selective organ temperature control 33 2000
* 6,527,798 Method and apparatus for regional and whole body temperature modification 67 2000
6,576,002 Isolated selective organ cooling method and apparatus 20 2001
6,478,812 Method and device for applications of selective organ cooling 31 2001
6,475,231 Method and device for applications of selective organ cooling 28 2001
6,540,771 Inflatable catheter for selective organ heating and cooling and method of using the same 38 2001
* 6,533,804 Inflatable catheter for selective organ heating and cooling and method of using the same 32 2001
6,818,011 Circulating fluid hypothermia method and apparatus 11 2001
* 2001/0007,951 Circulating fluid hypothermia method and apparatus 8 2001
6,602,276 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 63 2001
6,551,349 Selective organ cooling apparatus 39 2001
6,692,488 Apparatus for cell necrosis 21 2001
6,558,412 Selective organ hypothermia method and apparatus 17 2001
6,676,688 Method of making selective organ cooling catheter 26 2001
6,599,312 Isolated selective organ cooling apparatus 26 2001
6,726,708 Therapeutic heating and cooling via temperature management of a colon-inserted balloon 43 2001
6,905,509 Selective organ cooling catheter with guidewire apparatus and temperature-monitoring device 15 2001
6,685,732 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 92 2001
6,719,779 Circulation set for temperature-controlled catheter and method of using the same 49 2001
6,585,752 Fever regulation method and apparatus 26 2001
6,576,001 Lumen design for catheter 47 2001
6,786,218 Medical procedure 11 2001
7,291,144 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 5 2002
6,660,028 Method for determining the effective thermal mass of a body or organ using a cooling catheter 20 2002
6,905,494 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 71 2002
7,001,378 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 75 2002
6,695,873 Inflatable catheter for selective organ heating and cooling and method of using the same 26 2002
6,676,689 Inflatable catheter for selective organ heating and cooling and method of using the same 26 2002
6,648,908 Inflatable catheter for selective organ heating and cooling and method of using the same 53 2002
6,755,850 Selective organ hypothermia method and apparatus 13 2002
6,702,842 Selective organ cooling apparatus and method 28 2002
6,869,440 Method and apparatus for patient temperature control employing administration of anti-shivering agents 6 2002
6,830,581 Method and device for patient temperature control employing optimized rewarming 5 2002
6,740,109 Isolated selective organ cooling method 28 2002
7,063,718 Selective organ hypothermia method and apparatus 10 2003
7,094,253 Fever regulation method and apparatus 0 2003
7,004,960 Circulation set for temperature-controlled catheter and method of using the same 11 2003
7,651,518 Inflatable catheter for selective organ heating and cooling and method of using the same 0 2003
7,052,508 Inflatable heat transfer apparatus 1 2003
7,211,105 Method for determining the effective thermal mass of a body or organ using a cooling catheter 1 2003
7,018,399 Method of making selective organ cooling catheter 5 2003
7,449,018 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 48 2004
7,300,453 System and method for inducing hypothermia with control and determination of catheter pressure 10 2004
7,066,948 Selective organ cooling apparatus and method 1 2004
7,491,223 Therapeutic heating and cooling via temperature management of a colon-inserted balloon 3 2004
7,189,254 Method and device for patient temperature control employing optimized rewarming 5 2004
7,371,254 Medical procedure 4 2004
7,351,254 Method and device for patient temperature control employing optimized rewarming 12 2004
7,422,600 Method and apparatus for patient temperature control employing administration of anti-shivering agents 11 2005
7,288,089 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 53 2005
7,998,182 Selective organ cooling apparatus 0 2006
7,311,725 Patient temperature regulation method and apparatus 4 2006
7,766,949 Fever regulation method and apparatus 0 2006
8,157,794 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 2 2007
8,043,351 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 3 2007
8,043,283 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 2 2007
8,163,000 Selective organ cooling catheter with guidewire apparatus and temperature-monitoring device 0 2007
7,951,183 Medical procedure 0 2008
8,968,378 Methods for preparing a heat exchange catheter system and for heating and/or cooling a subject's body 1 2012
* 8,740,959 Method and apparatus for modifying the temperature of a patient 1 2013
 
Dorsal Med International (1)
* 5,514,130 RF apparatus for controlled depth ablation of soft tissue 617 1994
 
UNIVERSITY OF SOUTH FLORIDA (1)
* 7,781,195 Electroporation device 2 2004
 
CYNOSURE, INC. (1)
9,028,536 Picosecond laser apparatus and methods for its operation and use 0 2009
* Cited By Examiner