GB8329351D0 - Generator of rectangular waves - Google Patents

Generator of rectangular waves

Info

Publication number
GB8329351D0
GB8329351D0 GB838329351A GB8329351A GB8329351D0 GB 8329351 D0 GB8329351 D0 GB 8329351D0 GB 838329351 A GB838329351 A GB 838329351A GB 8329351 A GB8329351 A GB 8329351A GB 8329351 D0 GB8329351 D0 GB 8329351D0
Authority
GB
United Kingdom
Prior art keywords
generator
rectangular waves
waves
rectangular
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.)
Granted
Application number
GB838329351A
Other versions
GB2133290A (en
GB2133290B (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.)
LOMBARDI M
Original Assignee
LOMBARDI M
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 LOMBARDI M filed Critical LOMBARDI M
Publication of GB8329351D0 publication Critical patent/GB8329351D0/en
Publication of GB2133290A publication Critical patent/GB2133290A/en
Application granted granted Critical
Publication of GB2133290B publication Critical patent/GB2133290B/en
Expired 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
    • 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
    • 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
    • A61B2018/0066—Sensing and controlling the application of energy without feedback, i.e. open loop control

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Otolaryngology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)
  • Surgical Instruments (AREA)
GB08329351A 1982-11-25 1983-11-03 Electrosurgical generator Expired GB2133290B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8219732A FR2536924A1 (en) 1982-11-25 1982-11-25 ELECTRO-SURGERY DEVICE COMPRISING A GENERATOR OF VERY STRAIGHT FRONT RECTANGULAR SLOTS

Publications (3)

Publication Number Publication Date
GB8329351D0 true GB8329351D0 (en) 1983-12-07
GB2133290A GB2133290A (en) 1984-07-25
GB2133290B GB2133290B (en) 1986-10-15

Family

ID=9279497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08329351A Expired GB2133290B (en) 1982-11-25 1983-11-03 Electrosurgical generator

Country Status (3)

Country Link
DE (1) DE3342722A1 (en)
FR (1) FR2536924A1 (en)
GB (1) GB2133290B (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8401887D0 (en) * 1984-01-25 1984-02-29 Matburn Holdings Ltd Electrosurgical unit
US4658820A (en) * 1985-02-22 1987-04-21 Valleylab, Inc. Electrosurgical generator with improved circuitry for generating RF drive pulse trains
US4961739A (en) * 1988-03-07 1990-10-09 Aspen Labatories, Inc. Waveform generator for electrosurgical apparatus
DE4009819C2 (en) * 1990-03-27 1994-10-06 Siemens Ag HF surgery device
US5484436A (en) * 1991-06-07 1996-01-16 Hemostatic Surgery Corporation Bi-polar electrosurgical instruments and methods of making
US5472443A (en) * 1991-06-07 1995-12-05 Hemostatic Surgery Corporation Electrosurgical apparatus employing constant voltage and methods of use
US5330471A (en) * 1991-06-07 1994-07-19 Hemostatic Surgery Corporation Bi-polar electrosurgical endoscopic instruments and methods of use
US5633578A (en) * 1991-06-07 1997-05-27 Hemostatic Surgery Corporation Electrosurgical generator adaptors
GB9400954D0 (en) * 1994-01-19 1994-03-16 Smiths Industries Plc Electrosurgery apparatus
DE69432713D1 (en) * 1994-09-01 2003-06-26 Tangdu Hospital Of Shaanxi Pro HIGH-FREQUENCY COSMETIC TREATMENT DEVICE
US5766166A (en) * 1995-03-07 1998-06-16 Enable Medical Corporation Bipolar Electrosurgical scissors
US6179837B1 (en) 1995-03-07 2001-01-30 Enable Medical Corporation Bipolar electrosurgical scissors
US6391029B1 (en) 1995-03-07 2002-05-21 Enable Medical Corporation Bipolar electrosurgical scissors
US6464701B1 (en) 1995-03-07 2002-10-15 Enable Medical Corporation Bipolar electrosurgical scissors
US6015406A (en) 1996-01-09 2000-01-18 Gyrus Medical Limited Electrosurgical instrument
US6293942B1 (en) 1995-06-23 2001-09-25 Gyrus Medical Limited Electrosurgical generator method
WO1997000646A1 (en) 1995-06-23 1997-01-09 Gyrus Medical Limited An electrosurgical instrument
GB9604770D0 (en) * 1995-06-23 1996-05-08 Gyrus Medical Ltd An electrosurgical generator and system
US6780180B1 (en) 1995-06-23 2004-08-24 Gyrus Medical Limited Electrosurgical instrument
EP0771176B2 (en) 1995-06-23 2006-01-04 Gyrus Medical Limited An electrosurgical instrument
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
US5792138A (en) * 1996-02-22 1998-08-11 Apollo Camera, Llc Cordless bipolar electrocautery unit with automatic power control
GB9612993D0 (en) 1996-06-20 1996-08-21 Gyrus Medical Ltd Electrosurgical instrument
GB2314274A (en) 1996-06-20 1997-12-24 Gyrus Medical Ltd Electrode construction for an electrosurgical instrument
US6565561B1 (en) 1996-06-20 2003-05-20 Cyrus Medical Limited Electrosurgical instrument
GB9626512D0 (en) 1996-12-20 1997-02-05 Gyrus Medical Ltd An improved electrosurgical generator and system
GB9807303D0 (en) 1998-04-03 1998-06-03 Gyrus Medical Ltd An electrode assembly for an electrosurgical instrument
AU2002254712A1 (en) 2001-04-20 2002-11-05 Power Medical Interventions, Inc. Bipolar or ultrasonic surgical device
US6802843B2 (en) 2001-09-13 2004-10-12 Csaba Truckai Electrosurgical working end with resistive gradient electrodes
US6773409B2 (en) 2001-09-19 2004-08-10 Surgrx Llc Surgical system for applying ultrasonic energy to tissue
US8075558B2 (en) 2002-04-30 2011-12-13 Surgrx, Inc. Electrosurgical instrument and method
US7189233B2 (en) 2001-10-22 2007-03-13 Surgrx, Inc. Electrosurgical instrument
US7955331B2 (en) 2004-03-12 2011-06-07 Ethicon Endo-Surgery, Inc. Electrosurgical instrument and method of use

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3167717A (en) * 1962-12-17 1965-01-26 Martin L Jones Pulse generator with output amplifier controlled by respective sequentially pulsed driver-amplifiers controlling leading and trailing edges
CH510954A (en) * 1970-02-11 1971-07-31 Aesculap Werke Ag HF generator for HF surgery
JPS602051B2 (en) * 1979-09-03 1985-01-18 オリンパス光学工業株式会社 electric scalpel power supply
US4318409A (en) * 1979-12-17 1982-03-09 Medical Research Associates, Ltd. #2 Electrosurgical generator
GB2090532B (en) * 1981-01-02 1985-09-18 Goof Sven Karl Lennart An electrosurgical apparatus

Also Published As

Publication number Publication date
FR2536924B1 (en) 1985-03-22
FR2536924A1 (en) 1984-06-01
DE3342722A1 (en) 1984-05-30
GB2133290A (en) 1984-07-25
GB2133290B (en) 1986-10-15

Similar Documents

Publication Publication Date Title
GB8329351D0 (en) Generator of rectangular waves
DE3378591D1 (en) Generation of energy
GB8313557D0 (en) Investigation of surface
GB8305890D0 (en) Generators
GB8327227D0 (en) Seismic generator
GB8327302D0 (en) Utilising energy of waves
GB2140683B (en) Method of forming permanent wave
GB2130456B (en) Triangle wave generator
GB8333670D0 (en) Generation of signals
IL69585A0 (en) Universal wave generator
GB8308327D0 (en) Generator
GB8310853D0 (en) Frequency-selectable signal generator
GB8322917D0 (en) Generation of power
GB8328872D0 (en) Wave generator
AU1551084A (en) Wave action generator
ZA832380B (en) Sanitere en/of onmatige voering
GB2117767B (en) Synthesis of hydroxyethyltetrazolethiol
GB8332222D0 (en) Generators
GB2132823B (en) Signal generator
GB8307599D0 (en) Increasing efficiency of carburretors
AU87373S (en) Set of bedlinen
AU87374S (en) Set of bedlinen
AU87529S (en) Set of bedlinen
AU87530S (en) Set of bedlinen
AU87531S (en) Set of bedlinen

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee