IN170946B - - Google Patents

Info

Publication number
IN170946B
IN170946B IN417/DEL/87A IN417DE1987A IN170946B IN 170946 B IN170946 B IN 170946B IN 417DE1987 A IN417DE1987 A IN 417DE1987A IN 170946 B IN170946 B IN 170946B
Authority
IN
India
Application number
IN417/DEL/87A
Other languages
English (en)
Inventor
Peter Verplanck
Original Assignee
Megapulse Inc
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 Megapulse Inc filed Critical Megapulse Inc
Publication of IN170946B publication Critical patent/IN170946B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B11/00—Generation of oscillations using a shock-excited tuned circuit
    • H03B11/04—Generation of oscillations using a shock-excited tuned circuit excited by interrupter
    • H03B11/10—Generation of oscillations using a shock-excited tuned circuit excited by interrupter interrupter being semiconductor device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/80—Generating trains of sinusoidal oscillations
IN417/DEL/87A 1986-11-12 1987-05-14 IN170946B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/929,754 US4767999A (en) 1986-11-12 1986-11-12 Method of and apparatus for radio-frequency generation in resonator tank circuits excited by sequential pulses of alternately opposite polarity

Publications (1)

Publication Number Publication Date
IN170946B true IN170946B (fr) 1992-06-20

Family

ID=25458397

Family Applications (1)

Application Number Title Priority Date Filing Date
IN417/DEL/87A IN170946B (fr) 1986-11-12 1987-05-14

Country Status (9)

Country Link
US (1) US4767999A (fr)
EP (1) EP0271174B1 (fr)
CN (1) CN1010914B (fr)
AU (1) AU595880B2 (fr)
CA (1) CA1292045C (fr)
DE (1) DE3750541T2 (fr)
ES (1) ES2065887T3 (fr)
IN (1) IN170946B (fr)
NO (1) NO872078L (fr)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4942393A (en) * 1988-05-27 1990-07-17 Lectron Products, Inc. Passive keyless entry system
GB9402545D0 (en) * 1994-02-10 1994-04-06 Magstim Co Ltd Magnetic stimulators
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
US7137980B2 (en) 1998-10-23 2006-11-21 Sherwood Services Ag Method and system for controlling output of RF medical generator
US6762561B1 (en) * 2000-03-31 2004-07-13 Shimadzu Research Laboratory (Europe) Ltd. Radio frequency resonator
US7044948B2 (en) 2002-12-10 2006-05-16 Sherwood Services Ag Circuit for controlling arc energy from an electrosurgical generator
US7722601B2 (en) 2003-05-01 2010-05-25 Covidien Ag Method and system for programming and controlling an electrosurgical generator system
WO2005050151A1 (fr) 2003-10-23 2005-06-02 Sherwood Services Ag Circuit de mesure de thermocouple
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
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 (fr) 2006-01-24 2007-07-24 Sherwood Services Ag Methode et systeme de commande de sortie d'un generateur radiofrequence d'electrochirurgie presentant un algorithme de flux de commandes base sur l'impedance
US8147485B2 (en) 2006-01-24 2012-04-03 Covidien Ag System and method for tissue sealing
US8685016B2 (en) 2006-01-24 2014-04-01 Covidien Ag System and method for tissue sealing
CA2574934C (fr) 2006-01-24 2015-12-29 Sherwood Services Ag Systeme et methode de monitorage en boucle fermee d'un appareil d'electrochirurgie monopolaire
US7513896B2 (en) * 2006-01-24 2009-04-07 Covidien Ag Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling
CA2575392C (fr) 2006-01-24 2015-07-07 Sherwood Services Ag Systeme et methode d'obturation tissulaire
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
US7651493B2 (en) 2006-03-03 2010-01-26 Covidien Ag System and method for controlling electrosurgical snares
US7651492B2 (en) 2006-04-24 2010-01-26 Covidien Ag Arc based adaptive control system for an electrosurgical unit
US7794457B2 (en) 2006-09-28 2010-09-14 Covidien Ag Transformer for RF voltage sensing
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
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
CN101411625B (zh) * 2007-10-15 2012-07-25 深圳迈瑞生物医疗电子股份有限公司 超声系统双极性脉冲调制发射方法
US8409186B2 (en) 2008-03-13 2013-04-02 Covidien Lp Crest factor enhancement in electrosurgical generators
US8226639B2 (en) 2008-06-10 2012-07-24 Tyco Healthcare Group Lp System and method for output control of electrosurgical generator
US8287529B2 (en) * 2008-09-05 2012-10-16 Tyco Healthcare Group Lp Electrosurgical apparatus with high speed energy recovery
US8377053B2 (en) 2008-09-05 2013-02-19 Covidien Lp Electrosurgical apparatus with high speed energy recovery
US8262652B2 (en) 2009-01-12 2012-09-11 Tyco Healthcare Group Lp Imaginary impedance process monitoring and intelligent shut-off
US9522039B2 (en) 2009-03-11 2016-12-20 Covidien Lp Crest factor enhancement in electrosurgical generators
US7956620B2 (en) * 2009-08-12 2011-06-07 Tyco Healthcare Group Lp System and method for augmented impedance sensing
US8685015B2 (en) * 2009-09-24 2014-04-01 Covidien Lp System and method for multi-pole phase-shifted radio frequency application
US9028481B2 (en) 2011-01-05 2015-05-12 Covidien Lp System and method for measuring current of an electrosurgical generator
CN102594301B (zh) * 2012-01-16 2014-07-30 深圳市艾尔曼医疗电子仪器有限公司 一种高电位谐波发生电路
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
US9655670B2 (en) 2013-07-29 2017-05-23 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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720883A (en) * 1971-07-19 1973-03-13 Bell Telephone Labor Inc Tuned oscillator circuit for providing a rotating magnetic field
US3786334A (en) * 1971-08-12 1974-01-15 Megapulse Inc Magnetic pulse compression radio-frequency generator apparatus
US3711725A (en) * 1971-08-23 1973-01-16 Megapulse Inc Apparatus and method for radio-frequency pulse generation in tuned radio-frequency loads
US3889263A (en) * 1973-11-15 1975-06-10 Megapulse Inc Radio-frequency pulse generation system and method
US4118677A (en) * 1974-12-05 1978-10-03 Continental Electronics Manufacturing Company Pulse width modulating circuit
DE2733145C2 (de) * 1977-07-22 1982-09-30 Horizont Gerätewerk GmbH, 3540 Korbach Elektrische Schaltungsanordnung zur Erzeugung von Impulsen für Elektrozaungeräte

Also Published As

Publication number Publication date
NO872078L (no) 1988-05-13
CN1010914B (zh) 1990-12-19
AU7279687A (en) 1988-05-19
ES2065887T3 (es) 1995-03-01
CA1292045C (fr) 1991-11-12
NO872078D0 (no) 1987-05-18
DE3750541T2 (de) 1995-05-04
EP0271174B1 (fr) 1994-09-14
DE3750541D1 (de) 1994-10-20
CN87103746A (zh) 1988-12-14
AU595880B2 (en) 1990-04-12
EP0271174A3 (en) 1989-06-07
EP0271174A2 (fr) 1988-06-15
US4767999A (en) 1988-08-30

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