GB8501772D0 - Electrosurgical unit - Google Patents

Electrosurgical unit

Info

Publication number
GB8501772D0
GB8501772D0 GB858501772A GB8501772A GB8501772D0 GB 8501772 D0 GB8501772 D0 GB 8501772D0 GB 858501772 A GB858501772 A GB 858501772A GB 8501772 A GB8501772 A GB 8501772A GB 8501772 D0 GB8501772 D0 GB 8501772D0
Authority
GB
United Kingdom
Prior art keywords
electrosurgical unit
electrosurgical
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.)
Withdrawn
Application number
GB858501772A
Other versions
GB2154881A (en
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.)
Matburn Holdings Ltd
Original Assignee
Matburn Holdings Ltd
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 Matburn Holdings Ltd filed Critical Matburn Holdings Ltd
Publication of GB8501772D0 publication Critical patent/GB8501772D0/en
Publication of GB2154881A publication Critical patent/GB2154881A/en
Withdrawn legal-status Critical Current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
    • A61B2018/00779—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
    • A61B2018/00869—Phase
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/70—General characteristics of the apparatus with testing or calibration facilities

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)
GB08501772A 1984-01-25 1985-01-24 Electrosurgical unit Withdrawn GB2154881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848401887A GB8401887D0 (en) 1984-01-25 1984-01-25 Electrosurgical unit

Publications (2)

Publication Number Publication Date
GB8501772D0 true GB8501772D0 (en) 1985-02-27
GB2154881A GB2154881A (en) 1985-09-18

Family

ID=10555482

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848401887A Pending GB8401887D0 (en) 1984-01-25 1984-01-25 Electrosurgical unit
GB08501772A Withdrawn GB2154881A (en) 1984-01-25 1985-01-24 Electrosurgical unit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848401887A Pending GB8401887D0 (en) 1984-01-25 1984-01-25 Electrosurgical unit

Country Status (4)

Country Link
JP (1) JPS60176642A (en)
DE (1) DE3502193A1 (en)
FR (1) FR2558368A1 (en)
GB (2) GB8401887D0 (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4739759A (en) * 1985-02-26 1988-04-26 Concept, Inc. Microprocessor controlled electrosurgical generator
US4712544A (en) * 1986-02-12 1987-12-15 Castle Company Electrosurgical generator
DE3878477D1 (en) * 1987-04-10 1993-03-25 Siemens Ag MONITORING CIRCUIT FOR AN HF SURGERY DEVICE.
JPH0741044B2 (en) * 1989-10-18 1995-05-10 アロカ株式会社 Electrosurgical unit
US5290283A (en) * 1990-01-31 1994-03-01 Kabushiki Kaisha Toshiba Power supply apparatus for electrosurgical unit including electrosurgical-current waveform data storage
DE4009819C2 (en) * 1990-03-27 1994-10-06 Siemens Ag HF surgery device
CA2106409A1 (en) * 1991-11-08 1993-05-09 Stuart D. Edwards Radiofrequency ablation with phase sensitive power detection
GB9400954D0 (en) * 1994-01-19 1994-03-16 Smiths Industries Plc Electrosurgery apparatus
GB2317566B (en) * 1996-09-27 2000-08-09 Smiths Industries Plc Electrosurgery apparatus
US5954686A (en) * 1998-02-02 1999-09-21 Garito; Jon C Dual-frequency electrosurgical instrument
US7137980B2 (en) 1998-10-23 2006-11-21 Sherwood Services Ag Method and system for controlling output of RF medical generator
DE10253819A1 (en) * 2002-11-18 2004-07-01 Storz Endoskop Produktions Gmbh Electrosurgical device and method for operating the same
US6830569B2 (en) * 2002-11-19 2004-12-14 Conmed Corporation Electrosurgical generator and method for detecting output power delivery malfunction
US6948503B2 (en) 2002-11-19 2005-09-27 Conmed Corporation Electrosurgical generator and method for cross-checking output power
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
US8104956B2 (en) 2003-10-23 2012-01-31 Covidien Ag Thermocouple measurement circuit
EP1527743B1 (en) * 2003-10-29 2009-07-29 Celon AG Medical Instruments Medical device for electrotomy
US7396336B2 (en) 2003-10-30 2008-07-08 Sherwood Services Ag Switched resonant ultrasonic power amplifier system
US7628786B2 (en) 2004-10-13 2009-12-08 Covidien Ag Universal foot switch contact port
US7655003B2 (en) 2005-06-22 2010-02-02 Smith & Nephew, Inc. Electrosurgical power control
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
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
US8409186B2 (en) 2008-03-13 2013-04-02 Covidien Lp Crest factor enhancement in electrosurgical generators
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
US8685015B2 (en) * 2009-09-24 2014-04-01 Covidien Lp System and method for multi-pole phase-shifted radio frequency application
US9099863B2 (en) 2011-09-09 2015-08-04 Covidien Lp Surgical generator and related method for mitigating overcurrent conditions
US9529025B2 (en) 2012-06-29 2016-12-27 Covidien Lp Systems and methods for measuring the frequency of signals generated by high frequency medical devices
US10143831B2 (en) 2013-03-14 2018-12-04 Cynosure, Inc. Electrosurgical systems and methods
WO2014145148A2 (en) 2013-03-15 2014-09-18 Ellman International, Inc. Surgical instruments and systems with multimodes of treatments and electrosurgical operation
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675655A (en) * 1970-02-04 1972-07-11 Electro Medical Systems Inc Method and apparatus for high frequency electric surgery
JPS54136963A (en) * 1978-04-14 1979-10-24 Sharp Corp Hot permanent waver
GB2100471B (en) * 1981-05-28 1985-03-06 British Gas Corp Automatic coi removal system and operation thereof
CA1199076A (en) * 1981-07-06 1986-01-07 Takeshi Tanabe Microwave heating appliance with simplified user's operation
US4447224A (en) * 1982-09-20 1984-05-08 Infusaid Corporation Variable flow implantable infusion apparatus
FR2536924A1 (en) * 1982-11-25 1984-06-01 Courtois Michele ELECTRO-SURGERY DEVICE COMPRISING A GENERATOR OF VERY STRAIGHT FRONT RECTANGULAR SLOTS

Also Published As

Publication number Publication date
FR2558368A1 (en) 1985-07-26
JPS60176642A (en) 1985-09-10
DE3502193A1 (en) 1985-07-25
GB2154881A (en) 1985-09-18
GB8401887D0 (en) 1984-02-29

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)