GB2213381B - Surgical diathermy instruments - Google Patents

Surgical diathermy instruments

Info

Publication number
GB2213381B
GB2213381B GB8729071A GB8729071A GB2213381B GB 2213381 B GB2213381 B GB 2213381B GB 8729071 A GB8729071 A GB 8729071A GB 8729071 A GB8729071 A GB 8729071A GB 2213381 B GB2213381 B GB 2213381B
Authority
GB
United Kingdom
Prior art keywords
surgical diathermy
instruments
diathermy instruments
surgical
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
GB8729071A
Other versions
GB2213381A (en
GB8729071D0 (en
Inventor
Martin Price-Thomas
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.)
University of Wales College of Medicine
Original Assignee
University of Wales College of Medicine
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 University of Wales College of Medicine filed Critical University of Wales College of Medicine
Priority to GB8729071A priority Critical patent/GB2213381B/en
Publication of GB8729071D0 publication Critical patent/GB8729071D0/en
Publication of GB2213381A publication Critical patent/GB2213381A/en
Application granted granted Critical
Publication of GB2213381B publication Critical patent/GB2213381B/en
Anticipated expiration legal-status Critical
Application status is Expired - Fee Related legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/1206Generators therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00696Controlled or regulated parameters
    • A61B2018/00702Power or energy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00827Current
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00875Resistance or impedance
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • A61B2018/00892Voltage
GB8729071A 1987-12-12 1987-12-12 Surgical diathermy instruments Expired - Fee Related GB2213381B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8729071A GB2213381B (en) 1987-12-12 1987-12-12 Surgical diathermy instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8729071A GB2213381B (en) 1987-12-12 1987-12-12 Surgical diathermy instruments

Publications (3)

Publication Number Publication Date
GB8729071D0 GB8729071D0 (en) 1988-01-27
GB2213381A GB2213381A (en) 1989-08-16
GB2213381B true GB2213381B (en) 1992-06-03

Family

ID=10628428

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8729071A Expired - Fee Related GB2213381B (en) 1987-12-12 1987-12-12 Surgical diathermy instruments

Country Status (1)

Country Link
GB (1) GB2213381B (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6494881B1 (en) 1997-09-30 2002-12-17 Scimed Life Systems, Inc. Apparatus and method for electrode-surgical tissue removal having a selectively insulated electrode
US6565561B1 (en) 1996-06-20 2003-05-20 Cyrus Medical Limited Electrosurgical instrument
US6780180B1 (en) 1995-06-23 2004-08-24 Gyrus Medical Limited Electrosurgical instrument

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5078678A (en) * 1990-03-02 1992-01-07 Jefferson Katims Method and apparatus for locating a catheter adjacent to a pacemaker node of the heart
US5078714A (en) * 1990-03-02 1992-01-07 Jefferson Katims Method and apparatus for placement of a probe in the body and the medical procedure for guiding and locating a catheter or probe in the body
DE9117217U1 (en) * 1991-01-16 1997-05-15 Erbe Elektromedizin High-frequency surgical device
US5633578A (en) * 1991-06-07 1997-05-27 Hemostatic Surgery Corporation Electrosurgical generator adaptors
US5330471A (en) * 1991-06-07 1994-07-19 Hemostatic Surgery Corporation Bi-polar electrosurgical endoscopic instruments and methods of use
US5472443A (en) * 1991-06-07 1995-12-05 Hemostatic Surgery Corporation Electrosurgical apparatus employing constant voltage and methods of use
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
EP0566731A4 (en) * 1991-11-08 1995-02-22 Ep Technologies Radiofrequency ablation with phase sensitive power detection.
ES2201051T3 (en) * 1991-11-08 2004-03-16 Boston Scientific Limited Ablation electrode comprising temperature detectors isolated.
DE4205213A1 (en) * 1992-02-20 1993-08-26 Delma Elektro Med App Hochfrequenzchirurgiegeraet
GB9204217D0 (en) * 1992-02-27 1992-04-08 Goble Nigel M Cauterising apparatus
AU659261B2 (en) * 1992-06-19 1995-05-11 Conmed Corporation Electrosurgical trocar assembly
AU671902B2 (en) * 1993-06-01 1996-09-12 Conmed Corporation Current sensor for medical devices with continuity monitor
WO1994010922A1 (en) * 1992-11-13 1994-05-26 Ep Technologies, Inc. Cardial ablation systems using temperature monitoring
US5342357A (en) * 1992-11-13 1994-08-30 American Cardiac Ablation Co., Inc. Fluid cooled electrosurgical cauterization system
US5807393A (en) * 1992-12-22 1998-09-15 Ethicon Endo-Surgery, Inc. Surgical tissue treating device with locking mechanism
JP3585491B2 (en) * 1993-04-30 2004-11-04 メディカル サイエンティフィク インコーポレイテッド Impedance feedback electrosurgical system
US5558671A (en) * 1993-07-22 1996-09-24 Yates; David C. Impedance feedback monitor for electrosurgical instrument
US5693051A (en) * 1993-07-22 1997-12-02 Ethicon Endo-Surgery, Inc. Electrosurgical hemostatic device with adaptive electrodes
US5817093A (en) * 1993-07-22 1998-10-06 Ethicon Endo-Surgery, Inc. Impedance feedback monitor with query electrode for electrosurgical instrument
US5372596A (en) * 1993-07-27 1994-12-13 Valleylab Inc. Apparatus for leakage control and method for its use
US5540684A (en) * 1994-07-28 1996-07-30 Hassler, Jr.; William L. Method and apparatus for electrosurgically treating tissue
DE69635311D1 (en) * 1995-01-30 2006-03-02 Boston Scient Corp Electrosurgical tissue removal
US5868740A (en) 1995-03-24 1999-02-09 Board Of Regents-Univ Of Nebraska Method for volumetric tissue ablation
US6575967B1 (en) 1995-03-24 2003-06-10 The Board Of Regents Of The University Of Nebraska Method and systems for volumetric tissue ablation
US5693045A (en) * 1995-06-07 1997-12-02 Hemostatic Surgery Corporation Electrosurgical generator cable
US5817091A (en) * 1997-05-20 1998-10-06 Medical Scientific, Inc. Electrosurgical device having a visible indicator
DE19747172C2 (en) 1997-10-24 2000-04-13 Pulsion Verwaltungs Gmbh & Co Device for detecting a pericardial effusion
US6671550B2 (en) 2000-09-20 2003-12-30 Medtronic, Inc. System and method for determining location and tissue contact of an implantable medical device within a body
US6714806B2 (en) 2000-09-20 2004-03-30 Medtronic, Inc. System and method for determining tissue contact of an implantable medical device within a body
DE102004041681A1 (en) * 2004-08-20 2006-02-23 Celon Ag Medical Instruments An apparatus for electrosurgical sclerosing of body tissue
ITNA20140041U1 (en) * 2014-12-19 2016-06-19 Brera Medical Tech S R L An electronic device to perform the diathermy, equipped with active current control, which allows to maintain constant the thermal effect to vary the impedance of the patient body and having universal handpiece with automatic recognition of the electrodes

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB855459A (en) * 1958-04-11 1960-11-30 Keeler Optical Products Ltd Improvements in or relating to electro-surgical apparatus
US3933157A (en) * 1973-10-23 1976-01-20 Aktiebolaget Stille-Werner Test and control device for electrosurgical apparatus
US4372315A (en) * 1980-07-03 1983-02-08 Hair Free Centers Impedance sensing epilator
US4416277A (en) * 1981-11-03 1983-11-22 Valleylab, Inc. Return electrode monitoring system for use during electrosurgical activation
US4416276A (en) * 1981-10-26 1983-11-22 Valleylab, Inc. Adaptive, return electrode monitoring system
EP0136855A2 (en) * 1983-09-13 1985-04-10 Valleylab, Inc. Electrosurgical generator
GB2164473A (en) * 1984-09-10 1986-03-19 Bard Inc C R Electrosurgical generator power supply

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB855459A (en) * 1958-04-11 1960-11-30 Keeler Optical Products Ltd Improvements in or relating to electro-surgical apparatus
US3933157A (en) * 1973-10-23 1976-01-20 Aktiebolaget Stille-Werner Test and control device for electrosurgical apparatus
US4372315A (en) * 1980-07-03 1983-02-08 Hair Free Centers Impedance sensing epilator
US4416276A (en) * 1981-10-26 1983-11-22 Valleylab, Inc. Adaptive, return electrode monitoring system
US4416277A (en) * 1981-11-03 1983-11-22 Valleylab, Inc. Return electrode monitoring system for use during electrosurgical activation
EP0136855A2 (en) * 1983-09-13 1985-04-10 Valleylab, Inc. Electrosurgical generator
GB2164473A (en) * 1984-09-10 1986-03-19 Bard Inc C R Electrosurgical generator power supply

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6364877B1 (en) 1995-06-23 2002-04-02 Gyrus Medical Limited Electrosurgical generator and system
US6004319A (en) 1995-06-23 1999-12-21 Gyrus Medical Limited Electrosurgical instrument
US6174308B1 (en) 1995-06-23 2001-01-16 Gyrus Medical Limited Electrosurgical instrument
US6780180B1 (en) 1995-06-23 2004-08-24 Gyrus Medical Limited Electrosurgical instrument
US6027501A (en) 1995-06-23 2000-02-22 Gyrus Medical Limited Electrosurgical instrument
US6056746A (en) 1995-06-23 2000-05-02 Gyrus Medical Limited Electrosurgical instrument
US6416509B1 (en) 1995-06-23 2002-07-09 Gyrus Medical Limited Electrosurgical generator and system
US6261286B1 (en) 1995-06-23 2001-07-17 Gyrus Medical Limited Electrosurgical generator and system
US6090106A (en) 1996-01-09 2000-07-18 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
US6234178B1 (en) 1996-01-09 2001-05-22 Gyrus Medical Limited Electrosurgical instrument
US6210405B1 (en) 1996-06-20 2001-04-03 Gyrus Medical Limited Under water treatment
US6482202B1 (en) 1996-06-20 2002-11-19 Gyrus Medical Limited Under water treatment
US6565561B1 (en) 1996-06-20 2003-05-20 Cyrus Medical Limited Electrosurgical instrument
US5944715A (en) 1996-06-20 1999-08-31 Gyrus Medical Limited Electrosurgical instrument
US6093186A (en) 1996-12-20 2000-07-25 Gyrus Medical Limited Electrosurgical generator and system
US6494881B1 (en) 1997-09-30 2002-12-17 Scimed Life Systems, Inc. Apparatus and method for electrode-surgical tissue removal having a selectively insulated electrode
US6277114B1 (en) 1998-04-03 2001-08-21 Gyrus Medical Limited Electrode assembly for an electrosurical instrument

Also Published As

Publication number Publication date
GB2213381A (en) 1989-08-16
GB8729071D0 (en) 1988-01-27

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001212