JPS5241593B2 - - Google Patents

Info

Publication number
JPS5241593B2
JPS5241593B2 JP731562A JP156273A JPS5241593B2 JP S5241593 B2 JPS5241593 B2 JP S5241593B2 JP 731562 A JP731562 A JP 731562A JP 156273 A JP156273 A JP 156273A JP S5241593 B2 JPS5241593 B2 JP S5241593B2
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP731562A
Other languages
Japanese (ja)
Other versions
JPS4989392A (enrdf_load_stackoverflow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP731562A priority Critical patent/JPS5241593B2/ja
Priority to US428892A priority patent/US3897787A/en
Priority to DE2365276A priority patent/DE2365276C3/de
Publication of JPS4989392A publication Critical patent/JPS4989392A/ja
Publication of JPS5241593B2 publication Critical patent/JPS5241593B2/ja
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A61B18/1233—Generators therefor with circuits for assuring patient safety
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/16—Indifferent or passive electrodes for grounding

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Otolaryngology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Endoscopes (AREA)
JP731562A 1972-12-29 1972-12-29 Expired JPS5241593B2 (enrdf_load_stackoverflow)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP731562A JPS5241593B2 (enrdf_load_stackoverflow) 1972-12-29 1972-12-29
US428892A US3897787A (en) 1972-12-29 1973-12-27 Power source device for an electric surgical knife
DE2365276A DE2365276C3 (de) 1972-12-29 1973-12-29 Stromversorgungsvorrichtung für ein chirurgisches Messer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP731562A JPS5241593B2 (enrdf_load_stackoverflow) 1972-12-29 1972-12-29

Publications (2)

Publication Number Publication Date
JPS4989392A JPS4989392A (enrdf_load_stackoverflow) 1974-08-27
JPS5241593B2 true JPS5241593B2 (enrdf_load_stackoverflow) 1977-10-19

Family

ID=11504952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP731562A Expired JPS5241593B2 (enrdf_load_stackoverflow) 1972-12-29 1972-12-29

Country Status (3)

Country Link
US (1) US3897787A (enrdf_load_stackoverflow)
JP (1) JPS5241593B2 (enrdf_load_stackoverflow)
DE (1) DE2365276C3 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015231556A (ja) * 2011-01-05 2015-12-24 コヴィディエン リミテッド パートナーシップ 電気外科発電機の電流を測定するシステムおよび方法

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1480736A (en) * 1973-08-23 1977-07-20 Matburn Ltd Electrodiathermy apparatus
NL7504321A (nl) * 1975-04-11 1976-10-13 Philips Nv Inrichting voor sterilisatie door middel van transuteriene tubacoagulatie.
JPS5275882A (en) * 1975-12-20 1977-06-25 Olympus Optical Co High frequency electric knife
US4094320A (en) * 1976-09-09 1978-06-13 Valleylab, Inc. Electrosurgical safety circuit and method of using same
JPS5389293A (en) * 1977-01-14 1978-08-05 Olympus Optical Co High frequency cauterization power supply
US4174706A (en) * 1977-06-27 1979-11-20 Bernard Jankelson Mandible stimulator
US4211230A (en) * 1978-07-31 1980-07-08 Sybron Corporation Electrosurgical coagulation
US4494541A (en) * 1980-01-17 1985-01-22 Medical Plastics, Inc. Electrosurgery safety monitor
US4303073A (en) * 1980-01-17 1981-12-01 Medical Plastics, Inc. Electrosurgery safety monitor
US4345599A (en) * 1980-03-20 1982-08-24 Mccarrell Stuart G Tonsil snare
JPS56144510U (enrdf_load_stackoverflow) * 1980-03-29 1981-10-31
US4419998A (en) * 1980-08-08 1983-12-13 R2 Corporation Physiological electrode systems
US4431002A (en) * 1981-06-08 1984-02-14 Empi Inc. Modulated deep afferent stimulator
US4727874A (en) * 1984-09-10 1988-03-01 C. R. Bard, Inc. Electrosurgical generator with high-frequency pulse width modulated feedback power control
DE3544443C2 (de) * 1985-12-16 1994-02-17 Siemens Ag HF-Chirurgiegerät
DE3751452D1 (de) * 1987-11-17 1995-09-14 Erbe Elektromedizin Hochfrequenz-Chirugiegerät zum Schneiden und/oder Koagulieren biologischer Gewebe.
US5167658A (en) * 1991-01-31 1992-12-01 Mdt Corporation Method and apparatus for electrosurgical measurement
GB9119695D0 (en) * 1991-09-14 1991-10-30 Smiths Industries Plc Electrosurgery equipment
US5372596A (en) 1993-07-27 1994-12-13 Valleylab Inc. Apparatus for leakage control and method for its use
US5649021A (en) * 1995-06-07 1997-07-15 David Sarnoff Research Center, Inc. Method and system for object detection for instrument control
US6033399A (en) 1997-04-09 2000-03-07 Valleylab, Inc. Electrosurgical generator with adaptive power control
US7901400B2 (en) 1998-10-23 2011-03-08 Covidien Ag Method and system for controlling output of RF medical generator
US7137980B2 (en) 1998-10-23 2006-11-21 Sherwood Services Ag Method and system for controlling output of RF medical generator
US20040167508A1 (en) 2002-02-11 2004-08-26 Robert Wham Vessel sealing system
US7364577B2 (en) 2002-02-11 2008-04-29 Sherwood Services Ag Vessel sealing system
CA2484875C (en) 2002-05-06 2013-04-23 Sherwood Services Ag Method and system for optically detecting blood and controlling a generator during electrosurgery
US7255694B2 (en) 2002-12-10 2007-08-14 Sherwood Services Ag Variable output crest factor electrosurgical generator
US7044948B2 (en) 2002-12-10 2006-05-16 Sherwood Services Ag Circuit for controlling arc energy from an electrosurgical generator
CA2524289C (en) 2003-05-01 2016-01-19 Sherwood Services Ag Method and system for programming and controlling an electrosurgical generator system
US8808161B2 (en) 2003-10-23 2014-08-19 Covidien Ag Redundant temperature monitoring in electrosurgical systems for safety mitigation
EP1676108B1 (en) 2003-10-23 2017-05-24 Covidien AG Thermocouple measurement circuit
US7396336B2 (en) 2003-10-30 2008-07-08 Sherwood Services Ag Switched resonant ultrasonic power amplifier system
US7131860B2 (en) 2003-11-20 2006-11-07 Sherwood Services Ag Connector systems for electrosurgical generator
US7300435B2 (en) 2003-11-21 2007-11-27 Sherwood Services Ag Automatic control system for an electrosurgical generator
US7766905B2 (en) 2004-02-12 2010-08-03 Covidien Ag Method and system for continuity testing of medical electrodes
US7780662B2 (en) 2004-03-02 2010-08-24 Covidien Ag Vessel sealing system using capacitive RF dielectric heating
US7628786B2 (en) 2004-10-13 2009-12-08 Covidien Ag Universal foot switch contact port
US9474564B2 (en) 2005-03-31 2016-10-25 Covidien Ag Method and system for compensating for external impedance of an energy carrying component when controlling an electrosurgical generator
US8734438B2 (en) 2005-10-21 2014-05-27 Covidien Ag Circuit and method for reducing stored energy in an electrosurgical generator
US7947039B2 (en) 2005-12-12 2011-05-24 Covidien Ag Laparoscopic apparatus for performing electrosurgical procedures
CA2574934C (en) 2006-01-24 2015-12-29 Sherwood Services Ag System and method for closed loop monitoring of monopolar electrosurgical apparatus
US8685016B2 (en) 2006-01-24 2014-04-01 Covidien Ag System and method for tissue sealing
US7513896B2 (en) 2006-01-24 2009-04-07 Covidien Ag Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling
US8147485B2 (en) 2006-01-24 2012-04-03 Covidien Ag System and method for tissue sealing
AU2007200299B2 (en) 2006-01-24 2012-11-15 Covidien Ag System and method for tissue sealing
US8216223B2 (en) 2006-01-24 2012-07-10 Covidien Ag System and method for tissue sealing
US9186200B2 (en) 2006-01-24 2015-11-17 Covidien Ag System and method for tissue sealing
CA2574935A1 (en) 2006-01-24 2007-07-24 Sherwood Services Ag A method and system for controlling an output of a radio-frequency medical generator having an impedance based control algorithm
US7651493B2 (en) 2006-03-03 2010-01-26 Covidien Ag System and method for controlling electrosurgical snares
US7648499B2 (en) 2006-03-21 2010-01-19 Covidien Ag System and method for generating radio frequency energy
US7651492B2 (en) 2006-04-24 2010-01-26 Covidien Ag Arc based adaptive control system for an electrosurgical unit
US8753334B2 (en) 2006-05-10 2014-06-17 Covidien Ag System and method for reducing leakage current in an electrosurgical generator
US7731717B2 (en) 2006-08-08 2010-06-08 Covidien Ag System and method for controlling RF output during tissue sealing
US8034049B2 (en) 2006-08-08 2011-10-11 Covidien Ag System and method for measuring initial tissue impedance
US7637907B2 (en) * 2006-09-19 2009-12-29 Covidien Ag System and method for return electrode monitoring
US7794457B2 (en) 2006-09-28 2010-09-14 Covidien Ag Transformer for RF voltage sensing
USD574323S1 (en) 2007-02-12 2008-08-05 Tyco Healthcare Group Lp Generator
US8777941B2 (en) 2007-05-10 2014-07-15 Covidien Lp Adjustable impedance electrosurgical electrodes
US7834484B2 (en) 2007-07-16 2010-11-16 Tyco Healthcare Group Lp Connection cable and method for activating a voltage-controlled generator
WO2009014883A1 (en) * 2007-07-20 2009-01-29 Boston Scientific Scimed, Inc. Power supply using time varying signal for electrolytically detaching implantable device
US8216220B2 (en) 2007-09-07 2012-07-10 Tyco Healthcare Group Lp System and method for transmission of combined data stream
US8512332B2 (en) 2007-09-21 2013-08-20 Covidien Lp Real-time arc control in electrosurgical generators
US8226639B2 (en) 2008-06-10 2012-07-24 Tyco Healthcare Group Lp System and method for output control of electrosurgical generator
US8262652B2 (en) 2009-01-12 2012-09-11 Tyco Healthcare Group Lp Imaginary impedance process monitoring and intelligent shut-off
US9585709B2 (en) * 2010-02-05 2017-03-07 Covidien Lp Square wave for vessel sealing
US9149388B2 (en) * 2010-09-29 2015-10-06 Alcon Research, Ltd. Attenuated RF power for automated capsulorhexis
US9270202B2 (en) 2013-03-11 2016-02-23 Covidien Lp Constant power inverter with crest factor control
US9283028B2 (en) 2013-03-15 2016-03-15 Covidien Lp Crest-factor control of phase-shifted inverter
US10729484B2 (en) 2013-07-16 2020-08-04 Covidien Lp Electrosurgical generator with continuously and arbitrarily variable crest factor
US10610285B2 (en) 2013-07-19 2020-04-07 Covidien Lp Electrosurgical generators
US9872719B2 (en) 2013-07-24 2018-01-23 Covidien Lp Systems and methods for generating electrosurgical energy using a multistage power converter
US9636165B2 (en) 2013-07-29 2017-05-02 Covidien Lp Systems and methods for measuring tissue impedance through an electrosurgical cable
US11006997B2 (en) 2016-08-09 2021-05-18 Covidien Lp Ultrasonic and radiofrequency energy production and control from a single power converter
US11648047B2 (en) 2017-10-06 2023-05-16 Vive Scientific, Llc System and method to treat obstructive sleep apnea
US12226143B2 (en) 2020-06-22 2025-02-18 Covidien Lp Universal surgical footswitch toggling
DE102021132367A1 (de) * 2021-12-07 2023-06-07 Olympus Winter & Ibe Gmbh Elektrochirurgie-Generator mit Leckstromerkennung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4630140Y1 (enrdf_load_stackoverflow) * 1968-08-20 1971-10-18
US3601126A (en) * 1969-01-08 1971-08-24 Electro Medical Systems Inc High frequency electrosurgical apparatus
US3628094A (en) * 1970-09-23 1971-12-14 Sybron Corp Apparatus of medical and other types
US3683923A (en) * 1970-09-25 1972-08-15 Valleylab Inc Electrosurgery safety circuit
US3673455A (en) * 1970-11-18 1972-06-27 Gen Electric High speed sensor for initiating circuit breaker tripping
US3668469A (en) * 1970-12-21 1972-06-06 Safety Co The Monitor for receptacle with two or three contacts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015231556A (ja) * 2011-01-05 2015-12-24 コヴィディエン リミテッド パートナーシップ 電気外科発電機の電流を測定するシステムおよび方法

Also Published As

Publication number Publication date
US3897787A (en) 1975-08-05
DE2365276C3 (de) 1979-12-13
JPS4989392A (enrdf_load_stackoverflow) 1974-08-27
DE2365276A1 (de) 1974-07-18
DE2365276B2 (de) 1979-04-19

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