GB2214430B - Diathermy unit - Google Patents

Diathermy unit

Info

Publication number
GB2214430B
GB2214430B GB8808320A GB8808320A GB2214430B GB 2214430 B GB2214430 B GB 2214430B GB 8808320 A GB8808320 A GB 8808320A GB 8808320 A GB8808320 A GB 8808320A GB 2214430 B GB2214430 B GB 2214430B
Authority
GB
United Kingdom
Prior art keywords
diathermy unit
diathermy
unit
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 - Lifetime
Application number
GB8808320A
Other versions
GB8808320D0 (en
GB2214430A (en
Inventor
Nigel Mark Goble
Colin Charles Owen Goble
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8808320D0 publication Critical patent/GB8808320D0/en
Priority to DE68925215T priority Critical patent/DE68925215D1/en
Priority to AT89300503T priority patent/ATE132047T1/en
Priority to EP89300503A priority patent/EP0325456B1/en
Priority to US07/299,949 priority patent/US5099840A/en
Publication of GB2214430A publication Critical patent/GB2214430A/en
Application granted granted Critical
Publication of GB2214430B publication Critical patent/GB2214430B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • 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
    • A61B2018/1226—Generators therefor powered by a battery
GB8808320A 1988-01-20 1988-04-08 Diathermy unit Expired - Lifetime GB2214430B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE68925215T DE68925215D1 (en) 1988-01-20 1989-01-19 Diathermy unit
AT89300503T ATE132047T1 (en) 1988-01-20 1989-01-19 DIATHERMY DEVICE
EP89300503A EP0325456B1 (en) 1988-01-20 1989-01-19 Diathermy unit
US07/299,949 US5099840A (en) 1988-01-20 1989-01-23 Diathermy unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888801177A GB8801177D0 (en) 1988-01-20 1988-01-20 Diathermy unit

Publications (3)

Publication Number Publication Date
GB8808320D0 GB8808320D0 (en) 1988-05-11
GB2214430A GB2214430A (en) 1989-09-06
GB2214430B true GB2214430B (en) 1992-06-17

Family

ID=10630224

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888801177A Pending GB8801177D0 (en) 1988-01-20 1988-01-20 Diathermy unit
GB8808320A Expired - Lifetime GB2214430B (en) 1988-01-20 1988-04-08 Diathermy unit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888801177A Pending GB8801177D0 (en) 1988-01-20 1988-01-20 Diathermy unit

Country Status (1)

Country Link
GB (2) GB8801177D0 (en)

Cited By (66)

* Cited by examiner, † Cited by third party
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US5944715A (en) 1996-06-20 1999-08-31 Gyrus Medical Limited Electrosurgical instrument
US6004319A (en) 1995-06-23 1999-12-21 Gyrus Medical Limited Electrosurgical instrument
US6013076A (en) 1996-01-09 2000-01-11 Gyrus Medical Limited Electrosurgical instrument
US6015406A (en) 1996-01-09 2000-01-18 Gyrus Medical Limited Electrosurgical instrument
US6027501A (en) 1995-06-23 2000-02-22 Gyrus Medical Limited Electrosurgical instrument
US6090106A (en) 1996-01-09 2000-07-18 Gyrus Medical Limited Electrosurgical instrument
US6093186A (en) 1996-12-20 2000-07-25 Gyrus Medical Limited Electrosurgical generator and system
US6210405B1 (en) 1996-06-20 2001-04-03 Gyrus Medical Limited Under water treatment
US6261286B1 (en) 1995-06-23 2001-07-17 Gyrus Medical Limited Electrosurgical generator and system
US6277114B1 (en) 1998-04-03 2001-08-21 Gyrus Medical Limited Electrode assembly for an electrosurical instrument
US6565561B1 (en) 1996-06-20 2003-05-20 Cyrus Medical Limited Electrosurgical instrument
US6682528B2 (en) 1998-10-23 2004-01-27 Sherwood Services Ag Endoscopic bipolar electrosurgical forceps
US6726686B2 (en) 1997-11-12 2004-04-27 Sherwood Services Ag Bipolar electrosurgical instrument for sealing vessels
US6780180B1 (en) 1995-06-23 2004-08-24 Gyrus Medical Limited Electrosurgical instrument
USD499181S1 (en) 2003-05-15 2004-11-30 Sherwood Services Ag Handle for a vessel sealer and divider
US7648499B2 (en) 2006-03-21 2010-01-19 Covidien Ag System and method for generating radio frequency energy
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
US7722601B2 (en) 2003-05-01 2010-05-25 Covidien Ag Method and system for programming and controlling an electrosurgical generator system
US7731717B2 (en) 2006-08-08 2010-06-08 Covidien Ag System and method for controlling RF output during tissue sealing
US7749217B2 (en) 2002-05-06 2010-07-06 Covidien Ag Method and system for optically detecting blood and controlling a generator during electrosurgery
US7766905B2 (en) 2004-02-12 2010-08-03 Covidien Ag Method and system for continuity testing of medical electrodes
US7766693B2 (en) 2003-11-20 2010-08-03 Covidien Ag Connector systems for electrosurgical generator
US7780662B2 (en) 2004-03-02 2010-08-24 Covidien Ag Vessel sealing system using capacitive RF dielectric heating
US7794457B2 (en) 2006-09-28 2010-09-14 Covidien Ag Transformer for RF voltage sensing
US7824400B2 (en) 2002-12-10 2010-11-02 Covidien Ag Circuit for controlling arc energy from an electrosurgical generator
US7834484B2 (en) 2007-07-16 2010-11-16 Tyco Healthcare Group Lp Connection cable and method for activating a voltage-controlled generator
US7901400B2 (en) 1998-10-23 2011-03-08 Covidien Ag Method and system for controlling output of RF medical generator
US7927328B2 (en) 2006-01-24 2011-04-19 Covidien Ag System and method for closed loop monitoring of monopolar electrosurgical apparatus
US7947039B2 (en) 2005-12-12 2011-05-24 Covidien Ag Laparoscopic apparatus for performing electrosurgical procedures
US7956620B2 (en) 2009-08-12 2011-06-07 Tyco Healthcare Group Lp System and method for augmented impedance sensing
US7972328B2 (en) 2006-01-24 2011-07-05 Covidien Ag System and method for tissue sealing
US8025660B2 (en) 2004-10-13 2011-09-27 Covidien Ag Universal foot switch contact port
US8034049B2 (en) 2006-08-08 2011-10-11 Covidien Ag System and method for measuring initial tissue impedance
US8096961B2 (en) 2003-10-30 2012-01-17 Covidien Ag Switched resonant ultrasonic power amplifier system
US8104956B2 (en) 2003-10-23 2012-01-31 Covidien Ag Thermocouple measurement circuit
US8105323B2 (en) 1998-10-23 2012-01-31 Covidien Ag Method and system for controlling output of RF medical generator
US8147485B2 (en) 2006-01-24 2012-04-03 Covidien Ag System and method for tissue sealing
US8174267B2 (en) 2008-09-30 2012-05-08 Vivant Medical, Inc. Intermittent microwave energy delivery system
US8180433B2 (en) 2008-09-30 2012-05-15 Vivant Medical, Inc. Microwave system calibration apparatus, system and method of use
US8187262B2 (en) 2006-01-24 2012-05-29 Covidien Ag Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling
US8216223B2 (en) 2006-01-24 2012-07-10 Covidien Ag System and method for tissue sealing
US8216220B2 (en) 2007-09-07 2012-07-10 Tyco Healthcare Group Lp System and method for transmission of combined data stream
US8226639B2 (en) 2008-06-10 2012-07-24 Tyco Healthcare Group Lp System and method for output control of electrosurgical generator
US8242782B2 (en) 2008-09-30 2012-08-14 Vivant Medical, Inc. Microwave ablation generator control system
US8248075B2 (en) 2008-09-30 2012-08-21 Vivant Medical, Inc. System, apparatus and method for dissipating standing wave in a microwave delivery system
US8287528B2 (en) 1998-10-23 2012-10-16 Covidien Ag Vessel sealing system
US8287527B2 (en) 2008-09-30 2012-10-16 Vivant Medical, Inc. Microwave system calibration apparatus and method of use
US8333765B2 (en) 2002-10-04 2012-12-18 Covidien Ag Vessel sealing instrument with electrical cutting mechanism
US8346370B2 (en) 2008-09-30 2013-01-01 Vivant Medical, Inc. Delivered energy generator for microwave ablation
US8366709B2 (en) 2004-09-21 2013-02-05 Covidien Ag Articulating bipolar electrosurgical instrument
US8486061B2 (en) 2009-01-12 2013-07-16 Covidien Lp Imaginary impedance process monitoring and intelligent shut-off
US8512332B2 (en) 2007-09-21 2013-08-20 Covidien Lp Real-time arc control in electrosurgical generators
US8663214B2 (en) 2006-01-24 2014-03-04 Covidien Ag Method and system for controlling an output of a radio-frequency medical generator having an impedance based control algorithm
US8685016B2 (en) 2006-01-24 2014-04-01 Covidien Ag System and method for tissue sealing
US8734438B2 (en) 2005-10-21 2014-05-27 Covidien Ag Circuit and method for reducing stored energy in an electrosurgical generator
US8753334B2 (en) 2006-05-10 2014-06-17 Covidien Ag System and method for reducing leakage current in an electrosurgical generator
US8777941B2 (en) 2007-05-10 2014-07-15 Covidien Lp Adjustable impedance electrosurgical electrodes
US8808161B2 (en) 2003-10-23 2014-08-19 Covidien Ag Redundant temperature monitoring in electrosurgical systems for safety mitigation
US8852179B2 (en) 2008-10-10 2014-10-07 Covidien Lp Apparatus, system and method for monitoring tissue during an electrosurgical procedure
US8858554B2 (en) 2009-05-07 2014-10-14 Covidien Lp Apparatus, system, and method for performing an electrosurgical procedure
US8932282B2 (en) 2009-08-03 2015-01-13 Covidien Lp Power level transitioning in a surgical instrument
US9186200B2 (en) 2006-01-24 2015-11-17 Covidien Ag System and method for tissue sealing
US9186201B2 (en) 2008-09-05 2015-11-17 Covidien Lp Electrosurgical apparatus with high speed energy recovery
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
US9579145B2 (en) 2005-09-30 2017-02-28 Covidien Ag Flexible endoscopic catheter with ligasure

Families Citing this family (142)

* Cited by examiner, † Cited by third party
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GB9204217D0 (en) * 1992-02-27 1992-04-08 Goble Nigel M Cauterising apparatus
GB9204218D0 (en) * 1992-02-27 1992-04-08 Goble Nigel M A surgical cutting tool
GB9314391D0 (en) * 1993-07-12 1993-08-25 Gyrus Medical Ltd A radio frequency oscillator and an electrosurgical generator incorporating such an oscillator
GB9413070D0 (en) * 1994-06-29 1994-08-17 Gyrus Medical Ltd Electrosurgical apparatus
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US7435249B2 (en) 1997-11-12 2008-10-14 Covidien Ag Electrosurgical instruments which reduces collateral damage to adjacent tissue
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GB9913652D0 (en) 1999-06-11 1999-08-11 Gyrus Medical Ltd An electrosurgical generator
US7887535B2 (en) 1999-10-18 2011-02-15 Covidien Ag Vessel sealing wave jaw
US20030109875A1 (en) 1999-10-22 2003-06-12 Tetzlaff Philip M. Open vessel sealing forceps with disposable electrodes
EP1297611B1 (en) 2000-05-19 2006-11-29 Telefonaktiebolaget LM Ericsson (publ) Dc/dc converter
GB2362518B (en) * 2000-05-19 2004-11-10 Ericsson Telefon Ab L M DC/DC Converters
US7101371B2 (en) 2001-04-06 2006-09-05 Dycus Sean T Vessel sealer and divider
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US10849681B2 (en) 2001-04-06 2020-12-01 Covidien Ag Vessel sealer and divider
US7276068B2 (en) 2002-10-04 2007-10-02 Sherwood Services Ag Vessel sealing instrument with electrical cutting mechanism
US7931649B2 (en) 2002-10-04 2011-04-26 Tyco Healthcare Group Lp Vessel sealing instrument with electrical cutting mechanism
US7799026B2 (en) 2002-11-14 2010-09-21 Covidien Ag Compressible jaw configuration with bipolar RF output electrodes for soft tissue fusion
US7776036B2 (en) 2003-03-13 2010-08-17 Covidien Ag Bipolar concentric electrode assembly for soft tissue fusion
US8128624B2 (en) 2003-05-01 2012-03-06 Covidien Ag Electrosurgical instrument that directs energy delivery and protects adjacent tissue
US7160299B2 (en) 2003-05-01 2007-01-09 Sherwood Services Ag Method of fusing biomaterials with radiofrequency energy
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USD956973S1 (en) 2003-06-13 2022-07-05 Covidien Ag Movable handle for endoscopic vessel sealer and divider
US7150749B2 (en) 2003-06-13 2006-12-19 Sherwood Services Ag Vessel sealer and divider having elongated knife stroke and safety cutting mechanism
US7857812B2 (en) 2003-06-13 2010-12-28 Covidien Ag Vessel sealer and divider having elongated knife stroke and safety for cutting mechanism
US7156846B2 (en) 2003-06-13 2007-01-02 Sherwood Services Ag Vessel sealer and divider for use with small trocars and cannulas
US9848938B2 (en) 2003-11-13 2017-12-26 Covidien Ag Compressible jaw configuration with bipolar RF output electrodes for soft tissue fusion
US7367976B2 (en) 2003-11-17 2008-05-06 Sherwood Services Ag Bipolar forceps having monopolar extension
US7811283B2 (en) 2003-11-19 2010-10-12 Covidien Ag Open vessel sealing instrument with hourglass cutting mechanism and over-ratchet safety
US7131970B2 (en) 2003-11-19 2006-11-07 Sherwood Services Ag Open vessel sealing instrument with cutting mechanism
US7500975B2 (en) 2003-11-19 2009-03-10 Covidien Ag Spring loaded reciprocating tissue cutting mechanism in a forceps-style electrosurgical instrument
US7442193B2 (en) 2003-11-20 2008-10-28 Covidien Ag Electrically conductive/insulative over-shoe for tissue fusion
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GB8808320D0 (en) 1988-05-11
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