US Patent No: 6,402,742

Number of patents in Portfolio can not be more than 2000

Controller for thermal treatment of tissue

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Abstract

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Disclosed is an apparatus for use in conjunction with an RF ablation electrode insertable into a patient to ablate body tissue, e.g., prostate tissue of a patient with a BPH condition. The apparatus includes an RF generator for outputting RF current through the ablation electrode and a second electrode in contact with the patient to thereby ablate body tissue in the vicinity of the ablation electrode. Temperature measuring circuitry within the apparatus is coupled to a temperature sensor in a specific body region. An input means such as a plurality of switches on the apparatus housing is provided to enable a user to input a treatment volume corresponding to a target volume of body tissue to be ablated. Delivery of RF power is automatically terminated when a treatment time corresponding to the selected treatment volume is reached. In addition, a hypertonic saline syringe is preferably housed within the controller. Saline solution is caused to flow from the syringe into the treatment region at a controlled rate both immediately prior to and during the delivery of RF power.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
UNITED STATES SURGICAL CORPORATIONNORWALK, CT1174

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blewett, Jeffrey J San Diego, CA 70 5136
Maurer, Christopher J Portage, MI 2 132
Stone, Corbett W San Diego, CA 120 4319

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ANGIODYNAMICS, INC. (5)
5,458,597 Device for treating cancer and non-malignant tumors and methods 382 1993
5,507,743 Coiled RF electrode treatment apparatus 399 1994
5,599,346 RF treatment system 247 1994
5,810,804 Multiple antenna ablation apparatus and method with cooling element 201 1996
5,800,484 Multiple antenna ablation apparatus with expanded electrodes 139 1996
 
VENTURE LENDING & LEASING, INC. (2)
5,531,676 Medical probe device and method 204 1994
5,542,916 Dual-channel RF power delivery system 212 1994
 
American Cardiac Ablation Co., Inc. (1)
5,334,193 Fluid cooled ablation catheter 810 1992
 
AMS RESEARCH CORPORATION (1)
5,496,271 Combined hyperthermia and dilation catheter 292 1993
 
BOSTON SCIENTIFIC SCIMED, INC. (1)
5,496,311 Physiologic low stress angioplasty 229 1994
 
FOCUS SURGERY (1)
5,762,066 Multifaceted ultrasound transducer probe system and methods for its use 184 1995
 
MEDERI THERAPEUTICS, INC. (1)
6,254,598 Sphincter treatment apparatus 191 1999
 
MEDTRONIC, INC. (1)
5,807,395 Method and apparatus for RF ablation and hyperthermia 494 1997
 
TYCO HEALTHCARE GROUP AG (1)
6,241,725 High frequency thermal ablation of cancerous tumors and functional targets with image data assistance 170 1996
 
UROLOGIX, INC. (1)
5,413,588 Device and method for asymmetrical thermal therapy with helical dipole microwave antenna 48 1992
 
VENTURE LENDING, A DIVISION OF CUPERTINO NATIONAL BANK & TRUST (1)
5,472,441 Device for treating cancer and non-malignant tumors and methods 545 1994
 
VIDAMED, INC. (1)
5,540,655 PBH ablation method and apparatus 175 1995

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
COVIDIEN AG (45)
7,393,354 Electrosurgical pencil with drag sensing capability 15 2003
7,244,257 Electrosurgical pencil having a single button variable control 109 2003
7,156,844 Electrosurgical pencil with improved controls 57 2003
7,156,842 Electrosurgical pencil with improved controls 174 2004
7,901,400 Method and system for controlling output of RF medical generator 23 2005
7,503,917 Electrosurgical pencil with improved controls 16 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 8 2005
7,879,033 Electrosurgical pencil with advanced ES controls 6 2006
7,648,499 System and method for generating radio frequency energy 13 2006
7,651,492 Arc based adaptive control system for an electrosurgical unit 20 2006
8,105,323 Method and system for controlling output of RF medical generator 5 2006
7,959,633 Electrosurgical pencil with improved controls 1 2006
7,955,327 Motion detector for controlling electrosurgical output 7 2007
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 11 2007
8,128,622 Electrosurgical pencil having a single button variable control 4 2007
8,080,008 Method and system for programming and controlling an electrosurgical generator system 4 2007
8,287,528 Vessel sealing system 2 2008
7,621,909 Electrosurgical pencil with drag sensing capability 2 2008
7,766,693 Connector systems for electrosurgical generator 11 2008
8,113,057 Switched resonant ultrasonic power amplifier system 5 2008
8,096,961 Switched resonant ultrasonic power amplifier system 3 2008
8,449,540 Electrosurgical pencil with improved controls 0 2009
8,685,016 System and method for tissue sealing 0 2009
8,216,223 System and method for tissue sealing 6 2009
8,147,485 System and method for tissue sealing 9 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
8,016,824 Electrosurgical pencil with drag sensing capability 0 2009
8,025,660 Universal foot switch contact port 7 2009
8,556,890 Arc based adaptive control system for an electrosurgical unit 0 2009
7,972,332 System and method for controlling electrosurgical snares 7 2009
8,303,580 Method and system for programming and controlling an electrosurgical generator system 1 2010
8,298,223 Method and system for programming and controlling an electrosurgical generator system 1 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 1 2011
8,267,929 Method and system for programming and controlling an electrosurgical generator system 0 2011
8,647,340 Thermocouple measurement system 0 2012
8,485,993 Switched resonant ultrasonic power amplifier system 0 2012
8,460,289 Electrode with rotatably deployable sheath 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
 
COVIDIEN LP (25)
8,777,941 Adjustable impedance electrosurgical electrodes 0 2007
7,834,484 Connection cable and method for activating a voltage-controlled generator 7 2007
8,152,800 Electrosurgical systems and printed circuit boards for use therewith 3 2007
8,506,565 Electrosurgical device with LED adapter 0 2007
7,645,142 Electrical receptacle assembly 1 2007
8,216,220 System and method for transmission of combined data stream 1 2007
8,747,398 Frequency tuning in a microwave electrosurgical system 0 2007
8,512,332 Real-time arc control in electrosurgical generators 0 2007
8,226,639 System and method for output control of electrosurgical generator 6 2008
8,663,218 Electrosurgical pencil including improved controls 0 2008
8,663,219 Electrosurgical pencil including improved controls 0 2008
8,632,536 Electrosurgical pencil including improved controls 0 2008
8,591,509 Electrosurgical pencil including improved controls 0 2008
8,162,937 High volume fluid seal for electrosurgical handpiece 1 2008
8,235,987 Thermal penetration and arc length controllable electrosurgical pencil 1 2008
8,231,620 Extension cutting blade 0 2009
8,636,733 Electrosurgical pencil including improved controls 0 2009
8,597,292 Electrosurgical pencil including improved controls 0 2009
8,298,225 System and method for return electrode monitoring 1 2009
7,956,620 System and method for augmented impedance sensing 12 2009
8,568,404 Bipolar electrode probe for ablation monitoring 0 2010
8,004,121 Connection cable and method for activating a voltage-controlled generator 7 2010
8,624,606 System and method for augmented impedance sensing 0 2011
8,353,905 System and method for transmission of combined data stream 0 2012
8,486,061 Imaginary impedance process monitoring and intelligent shut-off 0 2012
 
MEDTRONIC ADVANCED ENERGY LLC (16)
6,702,810 Fluid delivery system and controller for electrosurgical devices 182 2001
7,115,139 Fluid-assisted medical devices, fluid delivery systems and controllers for such devices, and methods 57 2001
7,651,494 Fluid-assisted medical device 23 2003
8,048,070 Fluid-assisted medical devices, systems and methods 2 2003
8,475,455 Fluid-assisted electrosurgical scissors and methods 0 2003
7,815,634 Fluid delivery system and controller for electrosurgical devices 3 2003
7,951,148 Electrosurgical device having a tissue reduction sensor 0 2004
7,998,140 Fluid-assisted medical devices, systems and methods 2 2004
7,445,617 Temperature indicating devices and methods of use 0 2004
7,604,635 Fluid-assisted medical devices, systems and methods 4 2004
7,811,282 Fluid-assisted electrosurgical devices, electrosurgical unit with pump and methods of use thereof 9 2005
8,038,670 Fluid-assisted medical devices, systems and methods 6 2005
7,645,277 Fluid-assisted medical device 21 2005
8,075,557 Fluid-assisted medical devices and methods 0 2007
7,537,595 Fluid-assisted medical devices, systems and methods 7 2007
8,361,068 Fluid-assisted electrosurgical devices, electrosurgical unit with pump and methods of use thereof 0 2010
 
MEDTRONIC, INC. (8)
7,437,194 Stimulating the prostate gland 1 2003
7,335,197 Transurethral needle ablation system with flexible catheter tip 19 2004
7,261,709 Transurethral needle ablation system with automatic needle retraction 9 2004
7,261,710 Transurethral needle ablation system 11 2004
8,048,069 User interface for ablation therapy 2 2007
8,152,804 Transurethral needle ablation system 0 2007
D582038 Transurethral needle ablation device 58 2007
8,758,337 User interface for ablation therapy 0 2011
 
LAZURE TECHNOLOGIES, LLC (5)
8,109,926 Ablation probe with deployable electrodes 2 2007
7,722,606 Device and method for destruction of cancer cells 0 2007
7,680,543 Tissue ablation and removal 9 2007
8,562,602 Multi-layer electrode ablation probe and related methods 0 2008
8,728,139 System and method for energy delivery to a tissue using an electrode array 0 2010
 
APPLIED MEDICAL RESOURCES CORPORATION (4)
8,568,411 Electrosurgical system 0 2009
8,579,894 Electrosurgical system 0 2009
8,562,598 Electrosurgical system 0 2009
8,551,088 Electrosurgical system 0 2009
 
CYTYC SURGICAL PRODUCTS (4)
7,074,217 Radio-frequency generator for powering an ablation device 80 2002
7,717,909 Radio-frequency generator for powering an ablation device 12 2005
8,506,563 Moisture transport system for contact electrocoagulation 0 2009
8,551,082 Radio-frequency generator for powering an ablation device 0 2012
 
ETHICON ENDO-SURGERY, INC. (4)
6,918,906 Endoscopic ablation system with improved electrode geometry 40 2002
7,137,981 Endoscopic ablation system with a distally mounted image sensor 42 2002
7,097,644 Medical device with improved wall construction 13 2003
7,232,438 Ablation device with clear probe 1 2004
 
MEDIFOCUS, INC. (3)
8,123,705 Adjustable profile probe 0 2005
8,409,110 Thermal monitoring 0 2008
8,414,501 Thermal monitoring 0 2008
 
CONMED CORPORATION (2)
6,942,660 Electrosurgical generator and method with multiple semi-autonomously executable functions 61 2002
7,972,329 Electrosurgical generator and method for cross-checking output power 0 2005
 
CYTYC CORPORATION (2)
7,407,502 Radio-frequency generator for powering an ablation device 54 2005
8,486,060 Power ramping during RF ablation 0 2006
 
TYCO HEALTHCARE GROUP AG (2)
7,241,294 Pistol grip electrosurgical pencil with manual aspirator/irrigator and methods of using the same 32 2003
7,235,072 Motion detector for controlling electrosurgical output 20 2004
 
DEPUY ACROMED, INC. (1)
7,357,799 Thermal coagulation using hyperconductive fluids 0 2003
 
Old Dominian University Research Foundation (1)
8,348,938 Apparatus, systems and methods for treating a human tissue condition 0 2009
 
SALIENT SURGICAL TECHNOLOGIES, INC. (1)
7,727,232 Fluid-assisted medical devices and methods 1 2005
 
SHERWOOD SERVICES AG (1)
7,828,794 Handheld electrosurgical apparatus for controlling operating room equipment 54 2005
 
ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC. (1)
8,702,690 Device and method for real-time lesion estimation during ablation 0 2008
 
SYNERON MEDICAL LTD. (1)
6,939,344 Method for controlling skin temperature during thermal treatment 75 2001
 
TYCO HEALTHCARE GROUP LP (1)
7,972,328 System and method for tissue sealing 17 2007

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