US Patent No: 5,318,525

Number of patents in Portfolio can not be more than 2000

Steerable electrode catheter

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Importance

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Abstract

A steerable catheter suitable for radiofrequency ablation of cardiac tissue comprises a catheter shaft with a deflectable tip at the distal end of the shaft. The tip is deflected by means of a shapable handle coupled to pull wires fastened to the distal end of the deflectable tip. A core wire extends from the handle to the distal tip, providing fine positioning of the deflectable tip by applying torque through the core wire to the tip. A spring tube is further provided in the deflectable tip for improved torque transmission and kink-resistance. The catheter has an electrode at the distal end of the deflectable tip for positioning at a target site and applying RF power to accomplish ablation.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
MEDTRONIC CARDIORHYTHMSAN JOSE, CA12
CARDIORHTHMSAN JOSE, CA1

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jaraczewski, Richard Livermore, CA 4 853
West, Scott Livermore, CA 58 1582

Cited Art

Patent Info (Count) # Cites Year
 
KABUSHIKI KAISHA MACHIDA SEISAKUSHO (2)
5,106,381 Bending device for an endoscope, catheter or the like 14 1990
5,176,126 Bending device 60 1990
 
MEDTRONIC AVE, INC. (2)
4,886,067 Steerable guidewire with soft adjustable tip 128 1989
5,060,660 Steerable extendable guidewire with adjustable tip 122 1990
 
ADVANCED CARDIOVASCULAR SYSTEMS, INC. (1)
5,055,109 Torque transmitting assembly for intravascular devices 57 1989
 
BRIAN GLASGOW MEMORIAL FOUNDATION, THE, A CHARITABLE TRUST (1)
4,944,727 Variable shape guide apparatus 97 1987
 
C.R. BARD, INC. (1)
5,125,896 Steerable electrode catheter 93 1990
 
EP TECHNOLOGIES, INC. (1)
5,254,088 Catheter steering mechanism 135 1992
 
KOS MEDICAL TECHNOLOGIES, LTD. (1)
4,769,006 Hydrodynamically propelled pacing catheter 31 1987
 
MACHIDA ENDOSCOPE CO., LTD. (1)
4,277,168 Endoscope with means for detecting rotation of a distal examining end 41 1979
 
MEDILASE, INC. (1)
4,874,371 Control handle 31 1987
 
SCOPE MEDICAL, INC. (1)
4,998,916 Steerable medical device 174 1990
 
STRASSMANN, STEVE (1)
4,838,859 Steerable catheter 115 1987
 
THE BRITISH PETROLEUM COMPANY P.L.C. (1)
4,826,087 Manipulative device 72 1986
 
VERSAFLEX DELIVERY SYSTEMS INC. (1)
4,723,936 Steerable catheter 168 1986
 
WEBSTER LABORATORIES, INC. (1)
4,960,134 Steerable catheter 181 1988
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (2)
4,685,457 Endotracheal tube and method of intubation 42 1986
4,753,223 System for controlling shape and direction of a catheter, cannula, electrode, endoscope or similar article 226 1986

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
MEDTRONIC, INC. (74)
5,755,760 Deflectable catheter 222 1996
5,779,699 Slip resistant field focusing ablation catheter electrode 83 1996
5,826,576 Electrophysiology catheter with multifunction wire and method for making 53 1996
5,807,249 Reduced stiffness, bidirectionally deflecting catheter assembly 93 1997
5,987,344 Handle for catheter assembly with multifunction wire 35 1997
6,251,092 Deflectable guiding catheter 128 1997
5,957,961 Multiple sensor, temperature controlled R-F ablation system 113 1998
6,035,224 Electrophysiology catheter with multifunction wire and method for making 37 1998
6,055,457 Single pass A-V lead with active fixation device 94 1998
6,325,797 Ablation catheter and method for isolating a pulmonary vein 276 1999
6,356,790 Apparatus for R-F ablation 60 1999
6,156,027 Handle for catheter assembly with multifunction wire 17 1999
6,169,916 Electrophysiology catheter with multifunctional wire and method for making 79 1999
6,280,433 Introducer system 27 1999
6,379,346 Introducer system 16 2000
6,520,916 Ultrasound imaging system and method for implantable and invasive devices 5 2000
6,926,669 Heart wall ablation/mapping catheter and method 20 2000
6,572,612 Ablation catheter and method for isolating a pulmonary vein 34 2001
7,967,816 Fluid-assisted electrosurgical instrument with shapeable electrode 1 2002
7,008,417 Detecting coagulum formation 29 2002
7,507,235 Method and system for organ positioning and stabilization 6 2002
7,175,734 Porous medical catheter and methods of manufacture 1 2002
7,294,143 Device and method for ablation of cardiac tissue 19 2003
7,118,566 Device and method for needle-less interstitial injection of fluid for ablation of cardiac tissue 18 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 5 2003
7,083,620 Electrosurgical hemostat 102 2003
7,771,421 Ablation catheter assembly with radially decreasing helix and method of use 3 2003
7,367,972 Ablation system 52 2003
7,347,858 Method and system for treatment of atrial tachyarrhythmias 1 2003
7,169,144 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 78 2003
7,094,235 Method and apparatus for tissue ablation 13 2004
8,162,933 Vibration sensitive ablation device and method 0 2004
8,333,764 Device and method for determining tissue thickness and creating cardiac ablation lesions 0 2004
7,247,155 Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue 90 2004
7,470,272 Device and method for ablating tissue 30 2004
7,250,048 Ablation system and method of use 51 2004
7,628,780 Devices and methods for interstitial injection of biologic agents into tissue 1 2004
7,364,578 System and method of performing an electrosurgical procedure 41 2004
7,963,963 Electrosurgical hemostat 6 2005
7,435,250 Method and apparatus for tissue ablation 4 2005
7,706,894 Heart wall ablation/mapping catheter and method 3 2005
7,706,882 Methods of using high intensity focused ultrasound to form an ablated tissue area 0 2005
7,758,576 Clamping ablation tool and method 1 2005
7,758,580 Compound bipolar ablation device and method 0 2005
7,678,108 Loop ablation apparatus and method 0 2005
7,566,334 Ablation device with jaws 24 2005
7,740,623 Devices and methods for interstitial injection of biologic agents into tissue 2 2005
7,309,325 Helical needle apparatus for creating a virtual electrode used for the ablation of tissue 26 2005
7,818,039 Suction stabilized epicardial ablation devices 0 2005
7,156,845 Method and apparatus for creating a bi-polar virtual electrode used for the ablation of tissue 35 2005
7,166,105 Pen-type electrosurgical instrument 33 2005
7,678,111 Device and method for ablating tissue 9 2005
8,221,402 Method for guiding a medical device 0 2005
7,875,049 Expandable guide sheath with steerable backbone and methods for making and using them 1 2006
7,824,399 Ablation system and method of use 0 2006
7,250,051 Method and apparatus for tissue ablation 9 2006
7,975,703 Device and method for needle-less interstitial injection of fluid for ablation of cardiac tissue 1 2006
7,744,562 Devices and methods for interstitial injection of biologic agents into tissue 0 2006
8,414,573 Device and method for ablation of cardiac tissue 0 2006
7,422,588 Pen-type electrosurgical instrument 2 2006
7,993,350 Shapeable or steerable guide sheaths and methods for making and using them 1 2007
7,959,626 Transmural ablation systems and methods 19 2007
8,262,649 Method and apparatus for tissue ablation 0 2007
8,221,415 Method and apparatus for tissue ablation 0 2007
7,699,805 Helical coil apparatus for ablation of tissue 4 2007
7,794,460 Method of ablating tissue 0 2008
7,871,409 Endocardial dispersive electrode for use with a monopolar RF ablation pen 0 2009
7,875,028 Ablation device with jaws 0 2009
8,409,219 Method and system for placement of electrical lead inside heart 0 2009
8,273,072 Devices and methods for interstitial injection of biologic agents into tissue 0 2009
8,257,351 Ablation catheter assembly with radially decreasing helix and method of use 0 2010
8,172,837 Clamping ablation tool and method 0 2010
8,162,941 Ablation device with jaws 0 2010
 
EVALVE, INC. (23)
7,666,204 Multi-catheter steerable guiding system and methods of use 3 2003
7,563,267 Fixation device and methods for engaging tissue 21 2003
7,226,467 Fixation device delivery catheter, systems and methods of use 45 2003
7,704,269 Methods and apparatus for cardiac valve repair 0 2003
7,998,151 Leaflet suturing 0 2004
7,753,923 Leaflet suturing 13 2004
7,811,296 Fixation devices for variation in engagement of tissue 1 2004
7,604,646 Locking mechanisms for fixation devices and methods of engaging tissue 15 2005
7,635,329 Methods and devices for tissue grasping and assessment 27 2005
7,981,139 Suture anchors and methods of use 0 2006
7,736,388 Fixation devices, systems and methods for engaging tissue 2 2007
8,187,299 Methods and apparatus for cardiac valve repair 0 2007
8,029,518 Methods and devices for capturing and fixing leaflets in valve repair 0 2007
7,655,015 Fixation devices, systems and methods for engaging tissue 6 2007
8,323,334 Methods and apparatus for cardiac valve repair 0 2009
7,682,319 Steerable access sheath and methods of use 3 2009
8,216,256 Detachment mechanism for implantable fixation devices 0 2009
8,343,174 Locking mechanisms for fixation devices and methods of engaging tissue 0 2009
8,052,592 Methods and devices for tissue grasping and assessment 0 2009
8,057,493 Fixation devices, systems and methods for engaging tissue 0 2009
8,123,703 Steerable access sheath and methods of use 0 2010
7,981,123 Surgical device for connecting soft tissue 0 2010
8,216,230 Cardiac valve leaflet attachment device and methods thereof 0 2011
 
ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. (18)
5,861,024 Electrophysiology catheter and remote actuator therefor 79 1997
7,235,070 Ablation fluid manifold for ablation catheter 40 2003
7,101,362 Steerable and shapable catheter employing fluid force 8 2003
7,819,866 Ablation catheter and electrode 4 2003
7,717,875 Steerable catheter with hydraulic or pneumatic actuator 0 2004
7,691,095 Bi-directional steerable catheter control handle 3 2004
8,273,285 Steerable catheter and methods of making the same 0 2005
7,591,784 Bi-directional handle for a catheter 0 2005
7,819,868 Ablation catheter with fluid distribution structures 0 2005
7,465,288 Actuation handle for a catheter 5 2005
7,881,809 Electrophysiology/ablation catheter and remote actuator therefor 0 2006
8,000,764 Electrophysiology/ablation catheter having second passage 0 2007
8,372,033 Catheter having proximal heat sensitive deflection mechanism and related methods of use and manufacturing 0 2008
8,317,744 Robotic catheter manipulator assembly 0 2008
8,317,745 Robotic catheter rotatable device cartridge 0 2008
8,123,721 Catheter having independently-deflectable segments and method of its manufacture 0 2008
8,177,711 Bi-directional handle for a catheter 0 2009
8,182,467 Deflectable variable radius catheters 0 2009
 
CORDIS WEBSTER, INC. (16)
5,827,278 Deflectable tip electrode catheter with nylon stiffener and compression coil 63 1997
6,402,719 Steerable DMR catheter with infusion tube 12 1997
6,123,699 Omni-directional steerable catheter 154 1997
6,027,473 Handle for steerable DMR catheter 61 1997
6,024,739 Method for detecting and revascularizing ischemic myocardial tissue 75 1997
5,964,757 Steerable direct myocardial revascularization catheter 88 1997
5,897,529 Steerable deflectable catheter having improved flexibility 82 1997
6,120,476 Irrigated tip catheter 83 1997
5,938,603 Steerable catheter with electromagnetic sensor 98 1997
6,064,905 Multi-element tip electrode mapping catheter 55 1998
6,171,277 Bi-directional control handle for steerable catheter 118 1998
6,183,463 Bidirectional steerable cathether with bidirectional control handle 94 1998
6,198,974 Bi-directional steerable catheter 105 1998
6,066,125 Omni-directional steerable catheter 51 1998
6,210,407 Bi-directional electrode catheter 78 1998
6,210,362 Steerable catheter for detecting and revascularing ischemic myocardial tissue 42 1999
 
MAQUET CARDIOVASCULAR LLC (11)
7,033,352 Flexible ablation instrument 15 2000
7,099,717 Catheter having improved steering 4 2002
7,052,491 Vacuum-assisted securing apparatus for a microwave ablation instrument 11 2002
7,115,126 Directional microwave ablation instrument with off-set energy delivery portion 16 2002
7,192,427 Apparatus and method for assessing transmurality of a tissue ablation 34 2003
6,976,986 Electrode arrangement for use in a medical instrument 37 2004
7,303,560 Method of positioning a medical instrument 6 2004
7,346,399 Monopole tip for ablation catheter 3 2004
7,156,841 Electrode arrangement for use in a medical instrument 1 2005
7,387,627 Vacuum-assisted securing apparatus for a microwave ablation instrument 12 2005
7,301,131 Microwave ablation instrument with flexible antenna assembly and method 15 2006
 
BOSTON SCIENTIFIC SCIMED, INC. (10)
6,544,215 Steerable device for introducing diagnostic and therapeutic apparatus into the body 36 1998
7,972,323 Steerable device for introducing diagnostic and therapeutic apparatus into the body 0 2000
6,716,207 Torqueable and deflectable medical device shaft 28 2001
6,991,616 Steerable device for introducing diagnostic and therapeutic apparatus into the body 15 2003
7,780,646 Torqueable and deflectable medical device shaft 1 2004
7,695,451 Steerable device for introducing diagnostic and therapeutic apparatus into the body 2 2005
7,799,038 Translumenal apparatus, system, and method 2 2006
7,731,682 Steerable device for introducing diagnostic and therapeutic apparatus into the body 1 2007
8,092,444 Catheter articulation segment with alternating cuts 0 2009
8,172,829 Torqueable and deflectable medical device shaft 0 2010
 
CARDIAC PACEMAKERS, INC. (10)
5,741,320 Catheter control system having a pulley 81 1995
5,681,280 Catheter control system 96 1995
5,666,970 Locking mechanism for catheters 49 1995
D381076 Manipulation handle 11 1995
6,610,058 Dual-profile steerable catheter 44 2001
6,605,086 Steerable catheter with torque transfer system 30 2001
6,585,718 Steerable catheter with shaft support system for resisting axial compressive loads 44 2001
6,652,506 Self-locking handle for steering a single or multiple-profile catheter 23 2001
6,648,875 Means for maintaining tension on a steering tendon in a steerable catheter 35 2001
6,976,987 Dual-profile steerable catheter 11 2003
 
BIOSENSE WEBSTER, INC. (9)
6,500,167 Omni-directional steerable catheter 75 1999
6,602,242 Irrigated tip catheter 59 2000
6,571,131 Deflectable catheter with modifiable handle 40 2000
8,079,982 Injection catheter with needle electrode 0 2000
6,837,867 Steerable catheter with reinforced tip 13 2001
6,569,114 Steerable catheter with struts 14 2001
7,818,048 Catheter and method for mapping a pulmonary vein 0 2003
7,959,601 Steerable catheter with in-plane deflection 0 2005
8,376,990 Steerable catheter with distal tip orientation sheaths 0 2005
 
ENDOPHOTONIX, INC. (8)
7,267,674 Apparatus and method for laser treatment 2 2004
7,338,485 Cardiac lesions with continuity testing 1 2005
7,169,142 Malleable energy wand for maze procedure 1 2005
7,163,534 Laser-based maze procedure for atrial fibrillation 14 2005
7,137,977 Atraumatic laser tip for atrial fibrillation treatment 7 2005
7,238,179 Apparatus and method for guided ablation treatment 2 2005
7,232,437 Assessment of lesion transmurality 35 2005
7,238,180 Guided ablation with end-fire fiber 19 2005
 
HEARTPORT, INC. (8)
5,797,960 Method and apparatus for thoracoscopic intracardiac procedures 422 1995
5,855,614 Method and apparatus for thoracoscopic intracardiac procedures 329 1996
5,829,447 Method and apparatus for thoracoscopic intracardiac procedures 245 1996
5,823,956 Method and apparatus for thoracoscopic intracardiac procedures 259 1996
6,346,074 Devices for less invasive intracardiac interventions 176 1996
6,651,672 Devices for less-invasive intracardiac interventions 43 2001
7,100,614 Method of Forming a Lesion in Heart Tissue 24 2002
6,679,268 Method and apparatus for thoracoscopic intracardiac procedures 13 2002
 
ARTHROCARE CORPORATION (7)
5,873,855 Systems and methods for electrosurgical myocardial revascularization 206 1996
5,860,951 Systems and methods for electrosurgical myocardial revascularization 172 1996
6,032,674 Systems and methods for myocardial revascularization 101 1997
7,422,585 System for electrosurgical myocardial revascularization 8 1999
7,505,812 Electrosurgical system for treating restenosis of body lumens 1 1999
6,855,143 Electrosurgical systems and methods for recanalization of occluded body lumens 22 2000
6,915,806 Method for harvesting graft vessel 27 2001
 
NEUROTHERM, INC. (7)
6,997,941 Method and apparatus for treating annular fissures in intervertebral discs 28 2003
7,400,930 Method for treating intervertebral discs 14 2003
7,282,061 Method of treating intervertebral disc 37 2003
7,267,683 Method for treating intervertebral discs 14 2003
7,226,447 Electrosurgical generator 44 2004
8,226,697 Method for treating intervertebral disc 0 2007
8,187,312 Method for treating intervertebral disc 0 2007
 
C.R. BARD, INC. (5)
5,685,878 Snap fit distal assembly for an ablation catheter 46 1995
6,064,902 Pulmonary vein ablation catheter 192 1998
6,663,588 Active counterforce handle for use in bidirectional deflectable tip instruments 30 2000
7,524,301 Active counterforce handle for use in bidirectional deflectable tip instruments 3 2003
8,007,462 Articulated catheter 0 2005
 
CRYOCOR, INC. (5)
6,926,711 Articulating catheter for cryoablation with reduced diameter section 0 2003
7,637,903 Catheter articulation segment with alternating cuts 18 2004
7,374,553 System for bi-directionally controlling the cryo-tip of a cryoablation catheter 3 2004
7,285,108 Active system for deflecting a distal portion of a catheter into a hoop configuration 4 2004
7,357,797 System and method for varying return pressure to control tip temperature of a cryoablation catheter 0 2004
 
ENSURE MEDICAL, INC. (5)
8,083,768 Vascular plug having composite construction 0 2005
7,753,933 Plug with detachable guidewire element and methods for use 5 2005
8,057,510 Plug with collet and apparatus and method for delivering such plugs 5 2005
8,075,587 Apparatus and methods for sealing vascular punctures 13 2005
8,088,144 Locator and closure device and method of use 0 2005
 
MICRUS ENDOVASCULAR CORPORATION (5)
6,726,700 Manipulatable delivery catheter for occlusive devices 11 2000
6,482,221 Manipulatable delivery catheter for occlusive devices (II) 23 2000
6,976,991 Manipulatable delivery catheter for occlusive devices (LL) 21 2002
6,793,667 Manipulatable delivery catheter for occlusive devices (II) 22 2002
7,137,990 Manipulatable delivery catheter for occlusive devices (II) 14 2004
 
OVALIS, INC. (5)
8,070,826 Needle apparatus for closing septal defects and methods for using such apparatus 0 2003
7,740,640 Clip apparatus for closing septal defects and methods of use 0 2004
7,846,179 Suture-based systems and methods for treating septal defects 1 2005
7,686,828 Systems and methods for treating septal defects 0 2006
7,678,132 Systems and methods for treating septal defects 0 2006
 
APTUS ENDOSYSTEMS, INC. (4)
8,231,639 Systems and methods for attaching a prosthesis within a body lumen or hollow organ 0 2004
8,092,519 Endovascular aneurysm repair system 1 2005
7,959,663 Endovascular aneurysm repair method 2 2006
8,083,752 Endovascular aneurysm repair systems and methods 1 2007
 
ABBOTT CARDIOVASCULAR SYSTEMS INC. (3)
6,979,342 Catheter with a polyimide distal tip 19 2001
8,075,583 Catheter with a polyimide distal tip 0 2005
8,388,640 Catheter with a polymide distal tip 0 2011
 
MEDTRONIC ABLATION FRONTIERS LLC (3)
7,850,685 Ablation catheter 9 2006
8,273,084 Atrial ablation catheter and method of use 0 2008
8,337,492 Ablation catheter 0 2010
 
MEDTRONIC CARDIORHYTHM (3)
5,545,200 Steerable electrophysiology catheter 274 1994
5,827,272 Simplified torquing electrode catheter 38 1995
5,938,694 Electrode array catheter 197 1996
 
SMITH & NEPHEW, INC. (3)
7,655,003 Electrosurgical power control 8 2005
8,052,675 Electrosurgical power control 1 2010
8,348,934 Electrosurgical power control 0 2011
 
STEREOTAXIS, INC. (2)
7,892,233 Magnetically navigable telescoping catheter and method of navigating telescoping catheter 2 2006
8,092,450 Magnetically guidable energy delivery apparatus and method of using same 2 2007
 
THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY (2)
6,979,290 Apparatus and methods for coronary sinus access 51 2003
8,016,748 Apparatus and methods for coronary sinus access 2 2005
 
ABBOTT VASCULAR INC. (1)
8,409,273 Multi-catheter steerable guiding system and methods of use 0 2007
 
ARROW INTERNATIONAL INVESTMENT CORP. (1)
5,702,433 Kink-resistant steerable catheter assembly for microwave ablation 28 1995
 
ARX, INC. (1)
7,226,446 Surgical microwave ablation assembly 20 2000
 
ATRIONIX, INC. (1)
7,089,063 Deflectable tip catheter with guidewire tracking mechanism 30 2001
 
CORE MEDICAL, INC. (1)
8,409,248 Plug with detachable guidewire element and methods for use 0 2010
 
CUSTOM MEDICAL APPLICATIONS, INC. (1)
6,371,943 Spring tip needle combination 22 1999
 
DATA SCIENCES INTERNATIONAL, INC. (1)
6,709,430 Adjustable flow probe 1 2000
 
EVALVA, INC. (1)
7,938,827 Cardiac valve leaflet attachment device and methods thereof 1 2009
 
GZ MEDICAL, LLC (1)
5,810,807 Sphincterotome with deflectable cutting plane and method of using the same 50 1996
 
HANSEN MEDICAL, INC. (1)
8,083,691 Apparatus and method for sensing force 4 2008
 
MEDTRONIC CRYOCATH LP (1)
6,585,717 Deflection structure 61 2000
 
MERIT MEDICAL SYSTEMS, INC. (1)
5,571,085 Steerable open lumen catheter 93 1995
 
NATIONAL INSTITUTES OF HEALTH (NIH), U.S. DEPT. OF HEALTH AND HUMAN SERVICES (DHHS), U.S. GOVERNMENT (1)
7,918,819 Variable curve catheter 0 2003
 
OISHI, HIDETO (1)
7,678,082 Esophagus stoma button 0 2001
 
ORATEC INTERVENTIONS, INC. (1)
6,939,346 Method and apparatus for controlling a temperature-controlled probe 76 2002
 
PACESETTER, INC. (1)
5,425,755 Rotatable pin, screw-in pacing and sensing lead having Teflon-coated conductor coil 62 1994
 
RUI XING LIMITED (1)
6,332,881 Surgical ablation tool 113 1999
 
SUMITOMO RUBBER INDUSTRIES, LTD. (1)
7,449,019 Intervertebral decompression 18 2003
 
TRANSAMERICA BUSINESS CREDIT CORPORATION (1)
6,120,499 Intravascular RF occlusion catheter 9 1996
 
TRANSONIC SYSTEMS, INC. (1)
6,036,645 Ultrasonic probe 9 1998
 
VOLCANO CORPORATION (1)
5,517,989 Guidewire assembly 42 1994
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (6)
5,454,370 Mapping and ablation electrode configuration 156 1993
5,674,271 Catheter with steerable stylet 8 1996
6,401,720 Method and apparatus for thoracoscopic intracardiac procedures 52 1999
7,128,740 Method for interrupting conduction paths within the heart 5 2003
6,955,175 Method and apparatus for thoracoscopic intracardiac procedures 11 2003
8,439,824 Apparatus and methods for coronary sinus access 0 2011