US Patent No: 8,096,961 - Analytics, PDF, Full Text and PAIR Access

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Switched resonant ultrasonic power amplifier system

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Abstract

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A switched resonant power amplifier system for ultrasonic transducers is disclosed. The system includes an amplifier that receives and processes a driver output signal for generating a drive signal that is provided to an ultrasonic device for controlling output of the ultrasonic device. An output control circuit receives and processes a signal related to a feedback signal generated by the ultrasonic device and a divider reference signal, and generates a compensated clock signal that is adjusted for at least one of phase and frequency differences between the received feedback signal and the divider reference signal. A compensated drive circuit receives and processes the compensated clock signal for generating the divider reference signal, and for generating the driver output signal.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
COVIDIEN AGNEUHAUSEN AM RHEINFALL669

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McPherson, James W Boulder, US 29 1000
Orszulak, James H Nederland, US 53 3624

Cited Art Landscape

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6,338,657 Hand piece connector 129 2000
6,558,376 Method of use of an ultrasonic clamp and coagulation apparatus with tissue support surface 146 2001
6,809,508 Detection circuitry for surgical handpiece system 91 2001
6,656,177 Electrosurgical systems and techniques for sealing tissue 560 2002
6,977,495 Detection circuitry for surgical handpiece system 308 2004
 
OLYMPUS CORPORATION (9)
6,730,080 Electric operation apparatus 106 2001
6,740,085 Heating treatment system 104 2001
6,679,875 Medical treatment system 137 2002
6,855,142 Electrosurgical device for treating body tissue with high-frequency power 93 2002
7,063,692 Surgical operation system 73 2003
7,172,591 Electric operation apparatus 75 2003
7,001,381 Electric operation apparatus 178 2003
7,353,068 Control device for a medical system and control method for medical system 157 2004
7,324,357 Power supply apparatus for electric operation 47 2004
 
ETHICON, INC. (1)
5,403,312 Electrosurgical hemostatic device 1256 1993
 
ALFRED E. MANN FOUNDATION FOR SCIENTIFIC RESEARCH (1)
5,531,774 Multichannel implantable cochlear stimulator having programmable bipolar, monopolar or multipolar electrode configurations 133 1994
 
Diapulse Corporation of America (1)
6,458,121 Apparatus for athermapeutic medical treatments 151 1996
 
CHASE MANHATTAN BANK USA, NATIONAL ASSOCIATION (1)
5,766,165 Return path monitoring system 112 1995
 
The Regents of the University of California (1)
5,385,148 Cardiac imaging and ablation catheter 619 1993
 
CORDIS CORPORATION (1)
4,735,204 System for controlling an implanted neural stimulator 143 1986
 
University of Washington (2)
4,582,057 Fast pulse thermal cautery probe 192 1983
4,691,703 Thermal cautery system 142 1986
 
OLYMPUS OPTICAL CO., LTD. (20)
4,662,383 Endotract antenna device for hyperthermia 259 1983
4,615,330 Noise suppressor for electronic endoscope 127 1984
4,961,435 High-frequency capacitive heating electrode device 155 1988
5,425,704 Apparatus for generating ultrasonic oscillation 142 1992
5,540,683 High frequency cauterizing apparatus 164 1994
5,678,568 System control apparatus, medical system control apparatus and image-plane display method of medical system control apparatus 187 1994
5,609,560 Medical operation device control system for controlling a operation devices accessed respectively by ID codes 261 1995
5,628,771 Electromagnetic-wave thermatological device 166 1996
6,039,732 Electric operation apparatus 80 1996
5,931,836 Electrosurgery apparatus and medical apparatus combined with the same 164 1997
6,063,075 Electrosurgical apparatus and separation detecting method capable of stably monitoring separation state of return electrode 119 1998
6,383,183 High frequency treatment apparatus 115 1999
6,306,131 Electric medical apparatus 89 1999
6,436,096 Electrosurgical apparatus with stable coagulation 101 1999
6,464,696 Electrical surgical operating apparatus 84 2000
6,663,623 Electric surgical operation apparatus 95 2000
6,666,860 Electric treatment system 178 2000
6,635,057 Electric operation apparatus 113 2000
6,623,423 Surgical operation system 92 2001
6,511,476 Electrosurgical apparatus with stable coagulation 94 2001
 
HENRY, MCCORD, BEAN & MILLER, P.L.L.C. (1)
5,792,138 Cordless bipolar electrocautery unit with automatic power control 206 1996
 
NOVOCURE LIMITED (1)
7,146,210 Apparatus and method for optimizing tumor treatment efficiency by electric fields 87 2003
 
COLLABO INNOVATIONS, INC. (1)
7,250,746 Current mode switching regulator with predetermined on time 73 2005
 
Onesys Oy (1)
5,413,573 Device for surgical procedures 308 1994
 
DELPHI TECHNOLOGIES, INC. (2)
6,232,556 Flat wire to round wire connection system 60 2000
2005/0109,111 Sensor and method of transmitting sensor data 49 2003
 
UTAH MEDICAL PRODUCTS, INC. (1)
5,160,334 Electrosurgical generator and suction apparatus 252 1991
 
CORDIS WEBSTER, INC. (2)
5,462,521 Fluid cooled and perfused tip for a catheter 492 1993
6,017,338 Fluid cooled and perfused tip for a catheter 148 1995
 
PHOENIX CONTACT GMBH & CO. KG (1)
6,254,422 Electronic terminal for use on circuit boards 58 2000
 
RADIONICS, INC. (1)
4,411,266 Thermocouple radio frequency lesion electrode 569 1980
 
STRYKER CORPORATION (3)
7,041,096 Electrosurgical generator apparatus 112 2002
7,422,582 Control console to which powered surgical handpieces are connected, the console configured to simultaneously energize more than one and less than all of the handpieces 84 2004
7,217,269 Electrosurgical control system 164 2004
 
THE UAB RESEARCH FOUNDATION (1)
6,743,225 Electrophysiologic measure of endpoints for ablation lesions created in fibrillating substrates 114 2001
 
NTERO SURGICAL, INC. (1)
6,645,198 Systems and methods for reducing post-surgical complications 93 2000
 
THE BRIGHAM AND WOMEN'S HOSPITAL, INC. (1)
5,323,778 Method and apparatus for magnetic resonance imaging and heating tissues 231 1991
 
CARDIORHYTHM A CA CORPORATION (1)
5,573,533 Method and system for radiofrequency ablation of cardiac tissue 398 1992
 
WILSON, WALTER (1)
5,454,809 Electrosurgical catheter and method for resolving atherosclerotic plaque by radio frequency sparking 650 1994
 
SUROS SURGICAL SYSTEMS, INC. (1)
5,685,840 Method and apparatus for minimally invasive tissue removal 156 1995
 
VIDAMED, INC. (2)
5,865,788 Self-contained power sypply and monitoring station for RF tissue ablation 110 1996
5,871,481 Tissue ablation apparatus and method 199 1997
 
ADVANCED ENERGY INDUSTRIES, INC. (1)
7,305,311 Arc detection and handling in radio frequency power applications 77 2005
 
POST N MAIL, L.C. (1)
5,658,322 Bio-active frequency generator and method 135 1995
 
MORVIL TECHNOLOGY LLC (4)
5,383,917 Device and method for multi-phase radio-frequency ablation 854 1991
5,693,078 Device and method for multi-phase radio-frequency ablation 210 1994
5,620,481 Device for multi-phase radio-frequency ablation 201 1995
7,151,964 Device and method for multi-phase radio-frequency ablation 90 2003
 
BAYLIS MEDICAL COMPANY INC. (1)
6,565,562 Method for the radio frequency perforation and the enlargement of a body tissue 77 2001
 
LUMENIS INC. (1)
5,681,307 Fiber-optic plug and receptacle providing automatic appliance recognition 64 1994
 
THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA (1)
6,423,057 Method and apparatus for monitoring and controlling tissue temperature and lesion formation in radio-frequency ablation procedures 219 2000
 
S.D.M.H. PTY. LTD. (3)
7,008,421 Apparatus and method for tissue resection 107 2003
7,223,264 Thermal coagulation of tissue during tissue resection 170 2004
7,341,586 Thermal coagulation of tissue during tissue resection 77 2004
 
Richard Wolf GmbH (2)
4,995,877 Device with a rotationally-driven surgical instrument 247 1989
5,324,283 Medical instrument having a switch for controlling an external device 104 1992
 
CENTRAL BANK AND TRUST CO. (1)
4,397,314 Method and apparatus for controlling and optimizing the heating pattern for a hyperthermia system 350 1981
 
ANGIODYNAMICS, INC. (7)
5,458,597 Device for treating cancer and non-malignant tumors and methods 478 1993
5,536,267 Multiple electrode ablation apparatus 715 1994
5,599,345 RF treatment apparatus 494 1994
5,810,804 Multiple antenna ablation apparatus and method with cooling element 244 1996
6,663,624 RF treatment apparatus 142 1999
7,422,586 Tissue surface treatment apparatus and method 109 2001
6,962,587 Method for detecting and treating tumors using localized impedance measurement 261 2001
 
J. EBERSPAECHER GMBH & CO. KG (1)
5,216,338 Circuit arrangement for accurately and effectively driving an ultrasonic transducer 36 1991
 
ASTEC INTERNATIONAL LIMITED (1)
4,887,199 Start circuit for generation of pulse width modulated switching pulses for switch mode power supplies 124 1987
 
SYNERON MEDICAL LTD. (2)
5,569,242 Method and apparatus for controlled contraction of soft tissue 634 1995
6,939,344 Method for controlling skin temperature during thermal treatment 102 2001
 
I.C. MEDICAL, INC. (1)
5,836,909 Automatic fluid control system for use in open and laparoscopic laser surgery and electrosurgery and method therefor 161 1996
 
IRVINE BIOMEDICAL, INC. (2)
5,954,719 System for operating a RF ablation generator 263 1998
6,113,593 Ablation apparatus having temperature and force sensing capabilities 207 1999
 
MEDTRONIC ADVANCED ENERGY LLC (1)
6,689,131 Electrosurgical device having a tissue reduction sensor 247 2001
 
LEIBINGER GMBH (1)
4,474,179 Method and apparatus for the high frequency coagulation of protein for surgical purposes 223 1982
 
ENDOPHOTONIX, INC. (1)
7,232,437 Assessment of lesion transmurality 69 2005
 
The Johns Hopkins University (1)
5,370,672 Computer-controlled neurological stimulation system 260 1992
 
PROJECT TROJAN INTELLECTUAL PROPERTY ACQUISITION, LLC (2)
6,730,079 Method for calculating impedance and apparatus utilizing same 83 2002
6,855,141 Method for monitoring impedance to control power and apparatus utilizing same 102 2002
 
BOSTON SCIENTIFIC SCIMED, INC. (35)
5,122,137 Temperature controlled RF coagulation 652 1990
5,103,804 Expandable tip hemostatic probes and the like 406 1990
5,348,554 Catheter for RF ablation with cooled electrode 880 1992
5,403,311 Electro-coagulation and ablation and other electrotherapeutic treatments of body tissue 1007 1993
5,409,000 Endocardial mapping and ablation system utilizing separately controlled steerable ablation catheter with ultrasonic imaging capabilities and method 440 1993
5,423,811 Method for RF ablation using cooled electrode 608 1994
5,697,927 Catheter for RF ablation with cooled electrode and apparatus for use therewith 422 1994
5,545,161 Catheter for RF ablation having cooled electrode with electrically insulated sleeve 515 1994
6,235,022 RF generator and pump apparatus and system and method for cooled ablation 115 1996
5,954,717 Method and system for heating solid tissue 225 1997
6,080,149 Method and apparatus for monitoring solid tissue heating 166 1998
6,267,760 Surgical method and apparatus for positioning a diagnostic or therapeutic element within the body and forming an incision in tissue with minimal blood loss 109 1998
6,428,537 Electrophysiological treatment methods and apparatus employing high voltage pulse to render tissue temporarily unresponsive 146 1998
6,123,702 Systems and methods for controlling power in an electrosurgical probe 329 1998
6,183,468 Systems and methods for controlling power in an electrosurgical probe 263 1998
6,245,065 Systems and methods for controlling power in an electrosurgical probe 359 1998
6,337,998 Apparatus and method for treating tumors near the surface of an organ 146 1999
6,237,604 Systems and methods for preventing automatic identification of re-used single use devices 241 1999
6,611,793 Systems and methods to identify and disable re-use single use devices based on detecting environmental changes 142 1999
6,651,669 Systems and methods to identify and disable re-used single use devices based on cataloging catheter usage 138 1999
6,511,478 Medical probe with reduced number of temperature sensor wires 221 2000
6,494,880 Systems and methods for controlling power in an electrosurgical probe 152 2000
6,579,288 Fluid cooled apparatus for supporting diagnostic and therapeutic elements in contact with tissue 128 2000
6,522,931 Therapeutic prostatic thermotherapy 53 2001
6,578,579 Systems and methods for preventing automatic identification of re-used single use devices 184 2001
6,685,703 Generator and probe adapter 105 2001
6,685,700 Method and system for heating solid tissue 130 2001
6,790,206 Compensation for power variation along patient cables 124 2002
7,285,117 Medical device control systems 66 2002
7,357,800 Power supply and control apparatus and electrophysiology systems including the same 48 2003
6,792,390 Systems and methods to identify and disable re-used devices based on detecting environmental changes 100 2003
7,416,549 Multi-zone bipolar ablation probe assembly 80 2003
6,958,064 Systems and methods for performing simultaneous ablation 62 2003
7,001,379 Method and system for heating solid tissue 98 2004
7,354,436 Systems and methods for performing simultaneous ablation 50 2005
 
VALLEYLAB INC. (1)
6,251,106 Electrosurgical generator power control circuit and method 88 1998
 
DELTA ELECTRONICS, INC. (1)
2006/0291,178 High frequency circuit module 50 2006
 
GYRUS MEDICAL, INC. (1)
4,903,696 Electrosurgical generator 242 1988
 
FISHER & PAYKEL HEALTHCARE LIMITED (1)
5,452,725 Cable termination status detection 80 1993
 
GYRUS MEDICAL LIMITED (30)
5,647,869 Electrosurgical apparatus 668 1995
6,293,942 Electrosurgical generator method 502 1996
6,074,386 Electrosurgical instrument and an electrosurgical electrode assembly 643 1997
6,093,186 Electrosurgical generator and system 472 1997
6,416,509 Electrosurgical generator and system 447 1998
6,056,746 Electrosurgical instrument 541 1998
6,261,286 Electrosurgical generator and system 416 1998
6,306,134 Electrosurgical generator and system 436 1998
6,364,877 Electrosurgical generator and system 379 1998
6,228,081 Electrosurgery system and method 414 1999
6,325,799 Electrosurgical instrument 403 1999
6,582,427 Electrosurgery system 366 2000
6,398,781 Electrosurgery system 307 2000
6,547,786 Electrosurgery system and instrument 271 2000
6,758,846 Electrosurgical instrument and an electrosurgery system including such an instrument 331 2001
6,893,435 Electrosurgical system 304 2001
6,843,789 Electrosurgical system 321 2002
6,984,231 Electrosurgical system 312 2002
RE39358 Electrosurgery system and method 233 2002
6,929,641 Electrosurgical system 254 2003
6,966,907 Electrosurgical generator and system 415 2003
7,220,260 Electrosurgical system 279 2003
7,214,224 Electrosurgical system 249 2003
7,211,081 Electrosurgical generator 253 2003
7,282,048 Electrosurgical generator and system 287 2004
7,344,532 Electrosurgical generator and system 192 2004
7,195,627 Electrosurgical generator 255 2005
7,153,300 Electrosurgical system 238 2005
7,491,199 Electrosurgical generator and system 57 2005
2006/0111,711 Surgical instrument 246 2005
 
BOSTON SCIENTIFIC LIMITED (1)
6,371,963 Device for controlled endoscopic penetration of injection needle 105 1998
 
GYRUS ENT L.L.C. (1)
7,131,445 Electrosurgical method and apparatus 287 2003
 
VEIN RX, INC. (1)
2004/0015,159 Methods and apparatus for treating the wall of a blood vessel with electromagnetic energy 63 2003
 
INTEGRA BURLINGTON MA, INC. (1)
5,230,623 Operating pointer with interactive computergraphics 600 1991
 
BOSTON SCIENTIFIC CORPORATION (2)
5,588,432 Catheters for imaging, sensing electrical potentials, and ablating tissue 835 1995
6,088,614 Tissue characterization to identify an ablation site 89 1997
 
WELLS FARGO BANK, NATIONAL ASSOCIATION (1)
6,155,975 Phacoemulsification apparatus with personal computer 113 1998
 
WELLS FARGO BANK, NATIONAL ASSOCIATION FLAIR INDUSTRIAL PARK RCBO (7)
4,429,694 Electrosurgical generator 124 1981
4,438,766 Electrosurgical generator 94 1981
4,437,464 Electrosurgical generator safety apparatus 141 1981
4,559,943 Electrosurgical generator 138 1983
4,727,874 Electrosurgical generator with high-frequency pulse width modulated feedback power control 338 1984
4,768,969 Electrical connector 80 1987
5,152,762 Current leakage control for electrosurgical generator 159 1990
 
SYNERGETICS USA, INC. (1)
5,318,563 Bipolar RF generator 300 1992
 
SULZER OSYPKA GMBH (1)
6,193,713 Method for the operation of a high frequency ablation apparatus and apparatus for the high frequency tissue ablation 105 1998
 
RESPIRATORY DIAGNOSTICS, INC. (1)
7,122,031 Graphical user interface for association with an electrode structure deployed in contact with a tissue region 141 2001
 
Huettinger Medizintechnik GmbH & Co. KG (1)
6,245,063 Apparatus for decreasing or eliminating current leakages in electro medical equipment 54 1998
 
The Trustees of Columbia University in the City of New York (1)
6,626,901 Electrothermal instrument for sealing and joining or cutting tissue 352 1999
 
The United States of America as represented by the United States Department of Energy (1)
4,339,049 Containers for use in a self supporting assembly 98 1980
 
Trion, Inc. (1)
4,651,264 Power supply with arcing control and automatic overload protection 89 1984
 
SMITHS GROUP PLC (2)
4,961,047 Electrical power control apparatus and methods 106 1989
5,480,399 Electrosurgery monitor and apparatus 115 1994
 
KABUSHIKI KAISHA TOSHIBA (3)
5,290,283 Power supply apparatus for electrosurgical unit including electrosurgical-current waveform data storage 70 1991
5,409,485 Power supply apparatus for electrosurgical unit including electrosurgical-current waveform data storage 106 1993
7,364,972 Semiconductor device 48 2006
 
BELL TELEPHONE LABORATORIES, INCORPORATED (1)
4,586,120 Current limit shutdown circuit with time delay 80 1983
 
FIRMA J. EBERSPACHER, A CORP. OF THE FED. REP. OF GERMANY (1)
5,113,116 Circuit arrangement for accurately and effectively driving an ultrasonic transducer 44 1989
 
PERFECT SURGICAL TECHNIQUES, INC. (1)
6,682,527 Method and system for heating tissue with a bipolar instrument 440 2001
 
NELLCOR PURITAN BENNETT INCORPORATED (2)
5,660,567 Medical sensor connector with removable encoding device 346 1995
6,044,283 Medical sensor with modulated encoding scheme 218 1998
 
An Con Genetics, Inc. (1)
5,167,658 Method and apparatus for electrosurgical measurement 157 1991
 
KARL STORZ ENDOSCOPY-AMERICA, INC. (4)
4,818,954 High-frequency generator with automatic power-control for high-frequency surgery 146 1987
5,108,391 High-frequency generator for tissue cutting and for coagulating in high-frequency surgery 410 1989
5,788,688 Surgeon's command and control 172 1994
6,824,539 Touchscreen controlling medical equipment from multiple manufacturers 115 2002
 
INTEGRA LIFESCIENCES (IRELAND) LTD. (1)
4,931,047 Method and apparatus for providing enhanced tissue fragmentation and/or hemostasis 699 1987
 
SMITHS MEDICAL ASD, INC. (1)
6,440,157 Air warming system for providing a controlled temperature of air to an air blanket 60 2000
 
ALTON DEAN MEDICAL (1)
5,254,117 Multi-functional endoscopic probe apparatus 243 1992
 
SIEMENS AKTIENGESELLSCHAFT (3)
4,862,889 Monitoring circuit for an RF surgical apparatus 155 1989
5,067,953 Circuit for controlling an electro-therapy device 63 1990
5,196,008 Method and circuit for monitoring electrode surfaces at the body tissue of a patient in an HF surgery device 104 1990
 
SMITHS INDUSTRIES PUBLIC LIMITED COMPANY (1)
5,540,682 Electrosurgery apparatus 78 1995
 
ELLMAN INTERNATIONAL, INC. (1)
5,342,356 Electrical coupling unit for electrosurgery 172 1992
 
KIRWAN SURGICAL PRODUCTS LLC (2)
5,196,009 Non-sticking electrosurgical device having nickel tips 264 1991
7,402,754 Integral electrically conducting cord and lumen 48 2003
 
INFINEON TECHNOLOGIES AG (1)
6,222,356 Current mode switching regulator configured such that a measuring resistor is not needed to measure the current at an inductor 95 1999
 
SMK CORPORATION (1)
6,843,682 Plug 55 2003
 
SMITH & NEPHEW, INC. (1)
2004/0030,330 Electrosurgery systems 453 2003
 
EP Technologies, Inc. (22)
5,383,874 Systems for identifying catheters and monitoring their use 547 1992
5,423,808 Systems and methods for radiofrequency ablation with phase sensitive power detection 385 1993
5,651,780 Systems for identifying catheters and monitoring their use 392 1994
5,688,267 Systems and methods for sensing multiple temperature conditions during tissue ablation 514 1995
5,735,846 Systems and methods for ablating body tissue using predicted maximum tissue temperature 272 1995
6,022,346 Tissue heating and ablation systems and methods using self-heated electrodes 71 1995
5,769,847 Systems and methods for controlling tissue ablation using multiple temperature sensing elements 259 1996
5,755,715 Tissue heating and ablation systems and methods using time-variable set point temperature curves for monitoring and control 226 1996
5,702,386 Non-linear control systems and methods for heating and ablating body tissue 231 1996
5,743,903 Cardiac ablation systems and methods using tissue temperature monitoring and control 272 1996
6,162,184 Systems and methods for sensing temperature within the body 118 1996
5,906,614 Tissue heating and ablation systems and methods using predicted temperature for monitoring and control 157 1997
5,897,552 Electrode and associated systems using thermally insulated temperature sensing elements 247 1997
6,053,912 Systems and methods for sensing sub-surface temperatures in body tissue during ablation with actively cooled electrodes 214 1997
6,113,591 Systems and methods for sensing sub-surface temperatures in body tissue 101 1997
6,056,745 Systems and methods for obtaining desired lesion characteristics while ablating body tissue 178 1997
6,293,943 Tissue heating and ablation systems and methods which predict maximum tissue temperature 287 1998
6,014,581 Interface for performing a diagnostic or therapeutic procedure on heart tissue with an electrode structure 231 1998
6,165,169 Systems and methods for identifying the physical, mechanical, and functional attributes of multiple electrode arrays 187 1999
6,245,061 Tissue heating and ablation systems and methods using self-heated electrodes 163 1999
6,652,513 Tissue heating and ablation systems and methods which predict maximum tissue temperature 152 2001
6,786,905 Surgical method and apparatus for positioning a diagnostic or therapeutic element within the body 281 2002
 
Cimarron Instruments, Inc. (1)
4,334,539 Electrosurgical generator control apparatus 140 1980
 
COVIDIEN AG (57)
5,772,659 Electrosurgical generator power control circuit and method 305 1995
6,033,399 Electrosurgical generator with adaptive power control 600 1997
6,228,080 Electrosurgical generator with adaptive power control 397 1998
6,398,779 Vessel sealing system 462 1999
6,740,079 Electrosurgical generator 194 2001
6,796,981 Vessel sealing system 372 2002
7,083,618 Vessel sealer and divider 327 2002
7,004,174 Electrosurgery with infiltration anesthesia 101 2002
6,860,881 Multiple RF return pad contact detection system 115 2002
7,137,980 Method and system for controlling output of RF medical generator 327 2003
2006/0025,760 Blood detector for controlling anesu and method therefor 99 2003
RE40388 Electrosurgical generator with adaptive power control 121 2003
7,156,846 Vessel sealer and divider for use with small trocars and cannulas 291 2003
7,364,577 Vessel sealing system 158 2003
6,923,804 Electrosurgical generator 196 2003
2008/0125,767 Thermocouple Measurement Circuit 79 2003
2004/0143,263 Compressible jaw configuration with bipolar RF output electrodes for soft tissue fusion 227 2003
7,131,860 Connector systems for electrosurgical generator 272 2003
7,156,844 Electrosurgical pencil with improved controls 74 2003
7,044,948 Circuit for controlling arc energy from an electrosurgical generator 223 2003
7,147,638 Electrosurgical instrument which reduces thermal damage to adjacent tissue 266 2004
2005/0004,564 Method and system for programming and controlling an electrosurgical generator system 247 2004
2007/0093,800 Method and system for programming and controlling an electrosurgical generator system 64 2004
7,491,201 Tissue sealer with non-conductive variable stop members and method of sealing tissue 205 2004
7,160,293 Multiple RF return pad contact detection system 94 2004
* 7,396,336 Switched resonant ultrasonic power amplifier system 205 2004
7,303,557 Vessel sealing system 291 2004
2005/0203,504 Method and system for controlling output of RF medical generator 246 2005
2005/0182,398 Method and system for continuity testing of medical electrodes 63 2005
2005/0197,659 Vessel sealing system using capacitive RF dielectric heating 193 2005
2006/0079,871 Universal foot switch contact port 56 2005
2007/0093,801 Circuit and method for reducing stored energy in an electrosurgical generator 71 2005
2007/0135,812 Laparoscopic apparatus for performing electrosurgical procedures 57 2005
2006/0161,148 Circuit and method for controlling an electrosurgical generator using a full bridge topology 102 2006
7,513,896 Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling 59 2006
2007/0173,810 Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling 53 2006
2006/0178,664 Circuit for controlling arc energy from an electrosurgical generator 57 2006
2007/0208,339 System and method for controlling electrosurgical snares 68 2006
2007/0225,698 System and method for generating radio frequency energy 50 2006
2006/0224,152 Method and system for compensating for external impedance of an energy carrying component when controlling an electrosurgical generator 91 2006
2007/0250,052 Arc based adaptive control system for an electrosurgical unit 49 2006
2007/0265,612 System and method for reducing leakage current in an electrosurgical generator 62 2006
2008/0039,831 System and method for measuring initial tissue impedance 85 2006
2008/0039,836 System and method for controlling RF output during tissue sealing 144 2006
7,416,437 Connector systems for electrosurgical generator 93 2006
2008/0082,094 Transformer for RF voltage sensing 52 2006
2007/0038,209 Method and system for controlling output of RF medical generator 64 2006
2007/0173,805 Method and system for controlling an output of a radio-frequency medical generator having an impedance based control algorithm 130 2007
2007/0173,806 System and method for closed loop monitoring of monopolar electrosurgical apparatus 234 2007
2008/0015,564 Method and system for programming and controlling an electrosurgical generator system 66 2007
2008/0248,685 Connector Systems for Electrosurgical Generator 35 2008
2008/0287,791 Switched Resonant Ultrasonic Power Amplifier System 49 2008
2008/0287,838 Switched Resonant Ultrasonic Power Amplifier System 49 2008
2009/0157,071 System and Method for Tissue Sealing 107 2009
2009/0157,072 System and Method for Tissue Sealing 89 2009
2009/0157,075 System and Method for Tissue Sealing 91 2009
2009/0157,073 Dual Synchro-Resonant Electrosurgical Apparatus with Bi-Directional Magnetic Coupling 50 2009
 
VENTURE LENDING & LEASING, INC. (1)
5,370,675 Medical probe device and method 927 1993
 
ABIOMED, INC. (1)
7,062,331 Methods and apparatus for providing a sufficiently stable power to a load in an energy transfer system 83 2002
 
YAZAKI CORPORATION (6)
5,511,993 Connector shield wire connection structure 53 1994
5,944,553 Flat cable connection structure 53 1997
5,961,344 Cam-actuated terminal connector 82 1997
5,959,253 Wire connection structure 50 1998
6,454,594 Terminal structure of flat circuit body 53 2001
6,422,896 Flat circuit member connector 47 2001
 
HAIR FREE CENTERS, INC. (1)
4,372,315 Impedance sensing epilator 94 1980
 
FREESCALE SEMICONDUCTOR, INC. (1)
4,931,717 Load response control and method 84 1989
 
AUSLO RESEARCH LLC (1)
5,330,518 Method for treating interstitial tissue associated with microwave thermal therapy 304 1992
 
NEUROTHERM, INC. (1)
7,226,447 Electrosurgical generator 85 2004
 
DRG (UK) LIMITED (1)
4,384,582 Patient plate for diathermy apparatus, and diathermy apparatus fitted with it 114 1980
 
COVIDIEN LP (8)
D574323 Generator 96 2007
2008/0281,316 Adjustable impedance electrosurgical electrodes 50 2007
2009/0018,536 Measurement and control systems and methods for electrosurgical procedures 66 2007
2009/0024,120 Connection cable and method for activating a voltage-controlled generator 36 2007
2009/0036,883 Electrosurgical systems and printed circuit boards for use therewith 45 2007
2009/0069,801 System and method for transmission of combined data stream 47 2007
2009/0082,765 REAL-TIME ARC CONTROL IN ELECTROSURGICAL GENERATORS 52 2007
2008/0177,199 System and Method of Using Thermal and Electrical Conductivity of Tissue 46 2008
 
MICROLINE SURGICAL, INC. (8)
5,836,943 Electrosurgical generator 177 1996
6,238,387 Electrosurgical generator 219 1998
6,241,723 Electrosurgical system 329 1999
6,692,489 Electrosurgical mode conversion system 140 2000
6,602,252 Combined dissecting, cauterizing, and stapling device 761 2002
6,695,837 Power supply for identification and control of electrical surgical tools 81 2002
7,033,351 Power supply for identification and control of electrical surgical tools 61 2003
7,175,621 Electrosurgical mode conversion system 93 2003
 
XO Care A/S (1)
6,890,331 Electrosurgical apparatus 54 2001
 
ENTEGRIS, INC. (1)
2004/0121,494 Infrared thermopile detector system for semiconductor process monitoring and control 1 2003
 
LEAR AUTOMOTIVE DEARBORN, INC. (1)
5,860,832 Method for connecting flat flexible cable and a connector 56 1997
 
AVENT, INC. (2)
7,163,536 Determining connections of multiple energy sources and energy delivery devices 62 2004
7,294,127 Electrosurgical tissue treatment method 203 2005
 
E.P. Technologies Inc. (2)
5,722,975 Systems for radiofrequency ablation with phase sensitive power detection and control 173 1995
5,853,409 Systems and apparatus for sensing temperature in body tissue 115 1997
 
ENGINEERING & RESEARCH ASSOCIATES, INC. (5)
5,843,075 Probe for thermal ablation 184 1997
5,868,737 Apparatus and method for determining ablation 149 1997
6,039,731 Apparatus and method for determining the extent of ablation 182 1998
6,113,592 Apparatus and method for controlling ablation depth 202 1998
6,322,558 Apparatus and method for predicting ablation depth 221 1999
 
Omega Engineering, Inc. (1)
6,074,089 Thermoelectric product and method 83 1998
 
Aspen Laboratories, Inc. (2)
4,569,345 High output electrosurgical unit 107 1984
4,848,335 Return electrode contact monitor 131 1988
 
GENERAL ELECTRIC COMPANY (2)
4,559,496 LCD Hook-on digital ammeter 81 1984
5,807,253 Patient electrical isolation system 55 1997
 
ETHICON ENDO-SURGERY, LLC (2)
7,060,063 Devices and methods for controlling initial movement of an electrosurgical electrode 90 2003
7,118,564 Medical treatment system with energy delivery device for limiting reuse 195 2003
 
Burr-Brown Corporation (1)
5,304,917 Compact low noise low power dual mode battery charging circuit 73 1993
 
VALVECURE, INC. (1)
7,229,469 Methods for treating and repairing mitral valve annulus 84 2003
 
STORZ INSTRUMENT COMPANY (3)
5,249,121 Remote control console for surgical control system 207 1989
5,157,603 Control system for ophthalmic surgical instruments 115 1989
5,964,746 Microsurgical system having isolated handpiece detection apparatus 50 1997
 
STORZ ENDOSKOP PRODUKTIONS GMBH (3)
7,203,556 Device for monitoring medical equipment 58 2004
7,238,181 High-frequency surgery generator 47 2004
7,244,255 High-frequency surgical generator 51 2004
 
FLUGSTAD, BENJAMIN A. (1)
6,784,405 Variable frequency automated capacitive radio frequency (RF) dielectric heating system 104 2003
 
STORZ ENDOSKOP GMBH (4)
6,261,285 High-frequency surgical device and operation monitoring device for a high-frequency surgical device 74 1998
6,275,786 Device for monitoring a neutral electrode during HF surgery 102 1999
6,864,686 High-frequency surgical device and operation monitoring device for a high-frequency surgical device 106 2002
7,115,121 Electrosurgical apparatus 59 2003
 
ARTHROCARE CORPORATION (13)
5,843,019 Shaped electrodes and methods for electrosurgical cutting and ablation 356 1996
5,766,153 Methods and apparatus for surgical cutting 350 1996
6,228,078 Methods for electrosurgical dermatological treatment 265 1997
6,557,559 Electrosurgical systems and methods with temperature control 116 1998
6,142,992 Power supply for limiting power in electrosurgery 322 1998
6,235,020 Power supply and methods for fluid delivery in electrosurgery 356 1998
6,296,636 Power supply and methods for limiting power in electrosurgery 339 1999
6,632,193 Systems and methods for electrosurgical tissue treatment 343 2000
6,482,201 Systems and methods for tissue resection, ablation and aspiration 225 2000
6,468,270 System and method for electrosurgical treatment of intervertebral discs 152 2000
6,974,453 Dual mode electrosurgical clamping probe and related methods 196 2001
6,837,888 Electrosurgical probe with movable return electrode and methods related thereto 318 2002
2005/0004,634 Methods for electrosurgical treatment of spinal tissue 172 2004
 
ERICSSON RAYNET (2)
5,694,304 High efficiency resonant switching converters 96 1995
5,712,772 Controller for high efficiency resonant switching converters 151 1995
 
ZOLL CIRCULATION, INC. (3)
6,620,189 Method and system for control of a patient's body temperature by way of a transluminally insertable heat exchange catheter 90 2000
6,602,243 Foley catheter having redundant temperature sensors and method 102 2001
6,974,463 System and method for patient temperature control employing temperature projection algorithm 76 2002
 
MAQUET CARDIOVASCULAR LLC (2)
7,192,427 Apparatus and method for assessing transmurality of a tissue ablation 99 2003
2004/0102,772 Apparatus and method for minimally invasive surgery using rotational cutting tool 24 2003
 
RDM International, Inc. (1)
4,644,955 Circuit apparatus and method for electrothermal treatment of cancer eye 105 1985
 
KIMBERLY-CLARK INC. (1)
7,258,688 Computerized electrical signal generator 121 2002
 
CARL ZEISS SURGICAL GMBH (1)
5,422,926 X-ray source with shaped radiation pattern 193 1994
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
COVIDIEN AG (3)
8,647,340 Thermocouple measurement system 0 2012
8,485,993 Switched resonant ultrasonic power amplifier system 1 2012
8,966,981 Switched resonant ultrasonic power amplifier system 0 2013
 
COVIDIEN LP (3)
8,486,061 Imaginary impedance process monitoring and intelligent shut-off 0 2012
9,106,270 Transmitting data across a patient isolation barrier using an electric-field capacitive coupler module 0 2013
9,504,516 Gain compensation for a full bridge inverter 0 2014
* Cited By Examiner

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