DE68911867D1 - Verfahren und Gerät zur Steuerung der elektrischen Leistung. - Google Patents

Verfahren und Gerät zur Steuerung der elektrischen Leistung.

Info

Publication number
DE68911867D1
DE68911867D1 DE89311228T DE68911867T DE68911867D1 DE 68911867 D1 DE68911867 D1 DE 68911867D1 DE 89311228 T DE89311228 T DE 89311228T DE 68911867 T DE68911867 T DE 68911867T DE 68911867 D1 DE68911867 D1 DE 68911867D1
Authority
DE
Germany
Prior art keywords
electrical power
controlling electrical
controlling
power
electrical
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 - Fee Related
Application number
DE89311228T
Other languages
English (en)
Other versions
DE68911867T2 (de
Inventor
Timothy John Carder
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.)
Eschmann Holdings Ltd
Original Assignee
Smiths Group PLC
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
Priority claimed from GB888826316A external-priority patent/GB8826316D0/en
Priority claimed from GB898916360A external-priority patent/GB8916360D0/en
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Publication of DE68911867D1 publication Critical patent/DE68911867D1/de
Application granted granted Critical
Publication of DE68911867T2 publication Critical patent/DE68911867T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00702—Power or energy
    • 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
    • A61B2018/00779—Power or energy
    • 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
    • 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
    • A61B2018/00875—Resistance or impedance
    • 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
    • A61B2018/00892—Voltage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/908—Patient protection from electric shock
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S323/00—Electricity: power supply or regulation systems
    • Y10S323/911—Medical electronics

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Otolaryngology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Control Of Electrical Variables (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE89311228T 1988-11-10 1989-10-31 Verfahren und Gerät zur Steuerung der elektrischen Leistung. Expired - Fee Related DE68911867T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888826316A GB8826316D0 (en) 1988-11-10 1988-11-10 Electrical power control apparatus & methods
GB898916360A GB8916360D0 (en) 1989-07-18 1989-07-18 Electrical power control apparatus and methods

Publications (2)

Publication Number Publication Date
DE68911867D1 true DE68911867D1 (de) 1994-02-10
DE68911867T2 DE68911867T2 (de) 1994-04-14

Family

ID=26294602

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89311228T Expired - Fee Related DE68911867T2 (de) 1988-11-10 1989-10-31 Verfahren und Gerät zur Steuerung der elektrischen Leistung.

Country Status (8)

Country Link
US (1) US4961047A (de)
EP (1) EP0368532B1 (de)
JP (1) JP2771642B2 (de)
AU (1) AU620459B2 (de)
CA (1) CA2001637A1 (de)
DE (1) DE68911867T2 (de)
ES (1) ES2047684T3 (de)
GB (1) GB2225656B (de)

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ES2103635B1 (es) * 1991-09-06 1998-05-01 Espinos Guillermo Garau Aparato medico-quirurgico para simplificar la tecnica de capsulotomia anterior, en la cirugia de la catarata.
US5713896A (en) * 1991-11-01 1998-02-03 Medical Scientific, Inc. Impedance feedback electrosurgical system
AU3067392A (en) * 1991-11-08 1993-06-07 Ep Technologies Inc Systems and methods for ablating tissue while monitoring tissue impedance
ES2201051T3 (es) * 1991-11-08 2004-03-16 Boston Scientific Limited Electrodo para ablacion que comprende detectores de temperatura aislados.
EP0566731A4 (de) * 1991-11-08 1995-02-22 Ep Technologies Hochfrequenz-ablationssystem mit phasensensibler leistungsdetektion.
DE4205213A1 (de) * 1992-02-20 1993-08-26 Delma Elektro Med App Hochfrequenzchirurgiegeraet
US5540681A (en) * 1992-04-10 1996-07-30 Medtronic Cardiorhythm Method and system for radiofrequency ablation of tissue
US5573533A (en) * 1992-04-10 1996-11-12 Medtronic Cardiorhythm Method and system for radiofrequency ablation of cardiac tissue
WO1994010922A1 (en) * 1992-11-13 1994-05-26 Ep Technologies, Inc. Cardial ablation systems using temperature monitoring
US5807393A (en) * 1992-12-22 1998-09-15 Ethicon Endo-Surgery, Inc. Surgical tissue treating device with locking mechanism
US5558671A (en) * 1993-07-22 1996-09-24 Yates; David C. Impedance feedback monitor for electrosurgical instrument
US5370645A (en) * 1993-04-19 1994-12-06 Valleylab Inc. Electrosurgical processor and method of use
US5496312A (en) * 1993-10-07 1996-03-05 Valleylab Inc. Impedance and temperature generator control
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US5540724A (en) * 1995-02-03 1996-07-30 Intermedics, Inc. Cardiac cardioverter/defibrillator with in vivo impedance estimation
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US7137980B2 (en) 1998-10-23 2006-11-21 Sherwood Services Ag Method and system for controlling output of RF medical generator
US7364577B2 (en) 2002-02-11 2008-04-29 Sherwood Services Ag Vessel sealing system
US7901400B2 (en) 1998-10-23 2011-03-08 Covidien Ag Method and system for controlling output of RF medical generator
US6238388B1 (en) * 1999-09-10 2001-05-29 Alan G. Ellman Low-voltage electrosurgical apparatus
US8133218B2 (en) 2000-12-28 2012-03-13 Senorx, Inc. Electrosurgical medical system and method
US6620157B1 (en) * 2000-12-28 2003-09-16 Senorx, Inc. High frequency power source
US20050004559A1 (en) 2003-06-03 2005-01-06 Senorx, Inc. Universal medical device control console
US7959626B2 (en) 2001-04-26 2011-06-14 Medtronic, Inc. Transmural ablation systems and methods
ES2290797T3 (es) 2001-06-01 2008-02-16 Covidien Ag Conector del cable con un almohadilla de retorno.
US6652514B2 (en) * 2001-09-13 2003-11-25 Alan G. Ellman Intelligent selection system for electrosurgical instrument
ATE371413T1 (de) 2002-05-06 2007-09-15 Covidien Ag Blutdetektor zur kontrolle einer elektrochirurgischen einheit
US6860881B2 (en) 2002-09-25 2005-03-01 Sherwood Services Ag Multiple RF return pad contact detection system
US6942660B2 (en) * 2002-11-19 2005-09-13 Conmed Corporation Electrosurgical generator and method with multiple semi-autonomously executable functions
US7044948B2 (en) 2002-12-10 2006-05-16 Sherwood Services Ag Circuit for controlling arc energy from an electrosurgical generator
US7255694B2 (en) * 2002-12-10 2007-08-14 Sherwood Services Ag Variable output crest factor electrosurgical generator
JP2006525096A (ja) 2003-05-01 2006-11-09 シャーウッド・サービシーズ・アクチェンゲゼルシャフト 電気手術用発生器システムのプログラム及び制御を行う方法及びシステム
US8104956B2 (en) 2003-10-23 2012-01-31 Covidien Ag Thermocouple measurement circuit
EP2258294B1 (de) 2003-10-23 2013-01-09 Covidien AG Redundante Temperaturüberwachung für elektrochirurgische Systeme zur Sicherheitserhöhung
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
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
US7276064B2 (en) 2004-05-27 2007-10-02 St. Jude Medical, Atrial Fibrillation Division, Inc. Side-port sheath for catheter placement and translation
US7628786B2 (en) 2004-10-13 2009-12-08 Covidien Ag Universal foot switch contact port
US20060161147A1 (en) * 2005-01-18 2006-07-20 Salvatore Privitera Method and apparatus for controlling a surgical ablation device
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
CA2541037A1 (en) 2005-03-31 2006-09-30 Sherwood Services Ag Temperature regulating patient return electrode and return electrode monitoring system
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
US7736359B2 (en) 2006-01-12 2010-06-15 Covidien Ag RF return pad current detection system
US8685016B2 (en) 2006-01-24 2014-04-01 Covidien 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
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
US8147485B2 (en) 2006-01-24 2012-04-03 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
CA2574934C (en) 2006-01-24 2015-12-29 Sherwood Services Ag System and method for closed loop monitoring of monopolar electrosurgical apparatus
US7972328B2 (en) 2006-01-24 2011-07-05 Covidien Ag System and method for tissue sealing
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
WO2008011575A1 (en) * 2006-07-20 2008-01-24 Medtronic, Inc. Transmural ablation systems and methods
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
US7794457B2 (en) 2006-09-28 2010-09-14 Covidien Ag Transformer for RF voltage sensing
US7927329B2 (en) 2006-09-28 2011-04-19 Covidien Ag Temperature sensing return electrode pad
US7722603B2 (en) 2006-09-28 2010-05-25 Covidien Ag Smart return electrode pad
US8777940B2 (en) 2007-04-03 2014-07-15 Covidien Lp System and method for providing even heat distribution and cooling return pads
US8021360B2 (en) 2007-04-03 2011-09-20 Tyco Healthcare Group Lp System and method for providing even heat distribution and cooling return pads
US8080007B2 (en) 2007-05-07 2011-12-20 Tyco Healthcare Group Lp Capacitive electrosurgical return pad with contact quality monitoring
US8777941B2 (en) 2007-05-10 2014-07-15 Covidien Lp Adjustable impedance electrosurgical electrodes
US8388612B2 (en) 2007-05-11 2013-03-05 Covidien Lp Temperature monitoring return electrode
US8231614B2 (en) 2007-05-11 2012-07-31 Tyco Healthcare Group Lp Temperature monitoring return electrode
US7834484B2 (en) 2007-07-16 2010-11-16 Tyco Healthcare Group Lp Connection cable and method for activating a voltage-controlled generator
US8801703B2 (en) 2007-08-01 2014-08-12 Covidien Lp System and method for return electrode monitoring
US8100898B2 (en) 2007-08-01 2012-01-24 Tyco Healthcare Group Lp System and method for return electrode monitoring
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
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Also Published As

Publication number Publication date
JPH02181208A (ja) 1990-07-16
ES2047684T3 (es) 1994-03-01
EP0368532B1 (de) 1993-12-29
JP2771642B2 (ja) 1998-07-02
GB2225656A (en) 1990-06-06
CA2001637A1 (en) 1990-05-10
DE68911867T2 (de) 1994-04-14
EP0368532A2 (de) 1990-05-16
US4961047A (en) 1990-10-02
AU4385789A (en) 1990-05-17
AU620459B2 (en) 1992-02-20
GB2225656B (en) 1992-11-11
GB8924881D0 (en) 1989-12-20
EP0368532A3 (en) 1990-11-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SMITHS GROUP PLC, LONDON, GB

8327 Change in the person/name/address of the patent owner

Owner name: ESCHMANN HOLDINGS LTD., LONDON, GB

8339 Ceased/non-payment of the annual fee