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DE3378719D1 - Electro-surgical unit control apparatus - Google Patents

Electro-surgical unit control apparatus

Info

Publication number
DE3378719D1
DE3378719D1 DE8383302992T DE3378719T DE3378719D1 DE 3378719 D1 DE3378719 D1 DE 3378719D1 DE 8383302992 T DE8383302992 T DE 8383302992T DE 3378719 T DE3378719 T DE 3378719T DE 3378719 D1 DE3378719 D1 DE 3378719D1
Authority
DE
Germany
Prior art keywords
loop
wire
unit
electro
control apparatus
Prior art date
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
DE8383302992T
Other languages
English (en)
Inventor
Sien-Shih Chang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANG SIEN SHIH
Original Assignee
CHANG SIEN SHIH
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 by CHANG SIEN SHIH filed Critical CHANG SIEN SHIH
Application granted granted Critical
Publication of DE3378719D1 publication Critical patent/DE3378719D1/de
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
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00827—Current

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
DE8383302992T 1983-05-24 1983-05-24 Electro-surgical unit control apparatus Expired DE3378719D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83302992A EP0126814B1 (de) 1983-05-24 1983-05-24 Vorrichtung zur Kontrolle eines elektrochirurgischen Gerätes

Publications (1)

Publication Number Publication Date
DE3378719D1 true DE3378719D1 (en) 1989-01-26

Family

ID=8191165

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383302992T Expired DE3378719D1 (en) 1983-05-24 1983-05-24 Electro-surgical unit control apparatus

Country Status (3)

Country Link
US (1) US4651280A (de)
EP (1) EP0126814B1 (de)
DE (1) DE3378719D1 (de)

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US20040167508A1 (en) * 2002-02-11 2004-08-26 Robert Wham Vessel sealing system
US6398779B1 (en) 1998-10-23 2002-06-04 Sherwood Services Ag Vessel sealing system
US7137980B2 (en) 1998-10-23 2006-11-21 Sherwood Services Ag Method and system for controlling output of RF medical generator
US6630139B2 (en) * 2001-08-24 2003-10-07 Academia Sinica Fibrinogenolytic proteases with thrombolytic and antihypertensive activities: medical application and novel process of expression and production
JP4490807B2 (ja) 2002-05-06 2010-06-30 コヴィディエン アクチェンゲゼルシャフト 電気外科処置中に血液を電気的に検出し発生器を制御するシステム
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US7255694B2 (en) * 2002-12-10 2007-08-14 Sherwood Services Ag Variable output crest factor electrosurgical generator
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ES2372045T3 (es) 2003-10-23 2012-01-13 Covidien Ag Monitorización de temperatura redundante en sistemas electroquirúrgicos para atenuar la seguridad.
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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
US7297137B2 (en) * 2004-03-22 2007-11-20 Alcon, Inc. Method of detecting surgical events
US7651490B2 (en) * 2004-08-12 2010-01-26 Alcon, Inc. Ultrasonic handpiece
US7645255B2 (en) 2004-03-22 2010-01-12 Alcon, Inc. Method of controlling a surgical system based on irrigation flow
US7811255B2 (en) * 2004-03-22 2010-10-12 Alcon, Inc. Method of controlling a surgical system based on a rate of change of an operating parameter
US7645256B2 (en) 2004-08-12 2010-01-12 Alcon, Inc. Ultrasound handpiece
US7625388B2 (en) * 2004-03-22 2009-12-01 Alcon, Inc. Method of controlling a surgical system based on a load on the cutting tip of a handpiece
US7572242B2 (en) * 2004-03-22 2009-08-11 Alcon, Inc. Method of operating an ultrasound handpiece
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
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
US7513896B2 (en) 2006-01-24 2009-04-07 Covidien Ag Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling
US8685016B2 (en) 2006-01-24 2014-04-01 Covidien Ag System and method for tissue sealing
US8147485B2 (en) 2006-01-24 2012-04-03 Covidien Ag System and method for tissue sealing
CA2575392C (en) 2006-01-24 2015-07-07 Sherwood Services Ag System and method for tissue sealing
US9186200B2 (en) 2006-01-24 2015-11-17 Covidien Ag System and method for tissue sealing
US8216223B2 (en) 2006-01-24 2012-07-10 Covidien Ag System and method for tissue sealing
CA2574934C (en) 2006-01-24 2015-12-29 Sherwood Services Ag System and method for closed loop monitoring of monopolar electrosurgical apparatus
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
US7443175B2 (en) * 2006-07-14 2008-10-28 Covidien Ag Surgical testing instrument and system
US8034049B2 (en) 2006-08-08 2011-10-11 Covidien Ag System and method for measuring initial tissue impedance
US7731717B2 (en) 2006-08-08 2010-06-08 Covidien Ag System and method for controlling RF output during tissue sealing
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
US7722603B2 (en) * 2006-09-28 2010-05-25 Covidien Ag Smart return electrode pad
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US8579929B2 (en) * 2006-12-08 2013-11-12 Alcon Research, Ltd. Torsional ultrasound hand piece that eliminates chatter
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US8303530B2 (en) * 2007-05-10 2012-11-06 Novartis Ag Method of operating an ultrasound handpiece
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US8512332B2 (en) 2007-09-21 2013-08-20 Covidien Lp Real-time arc control in electrosurgical generators
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US9872719B2 (en) 2013-07-24 2018-01-23 Covidien Lp Systems and methods for generating electrosurgical energy using a multistage power converter
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Also Published As

Publication number Publication date
US4651280A (en) 1987-03-17
EP0126814B1 (de) 1988-12-21
EP0126814A1 (de) 1984-12-05

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