GB9302337D0 - Electrosurgical trocar assembly with bi-polar electrode - Google Patents

Electrosurgical trocar assembly with bi-polar electrode

Info

Publication number
GB9302337D0
GB9302337D0 GB939302337A GB9302337A GB9302337D0 GB 9302337 D0 GB9302337 D0 GB 9302337D0 GB 939302337 A GB939302337 A GB 939302337A GB 9302337 A GB9302337 A GB 9302337A GB 9302337 D0 GB9302337 D0 GB 9302337D0
Authority
GB
United Kingdom
Prior art keywords
trocar assembly
polar electrode
electrosurgical trocar
electrosurgical
polar
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
GB939302337A
Other versions
GB2267829B (en
GB2267829A (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.)
Conmed Corp
Original Assignee
Conmed Corp
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
Priority claimed from US07/901,024 external-priority patent/US5300070A/en
Application filed by Conmed Corp filed Critical Conmed Corp
Publication of GB9302337D0 publication Critical patent/GB9302337D0/en
Publication of GB2267829A publication Critical patent/GB2267829A/en
Application granted granted Critical
Publication of GB2267829B publication Critical patent/GB2267829B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • 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
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1487—Trocar-like, i.e. devices producing an enlarged transcutaneous opening
    • 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
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00738—Depth, e.g. depth of ablation
    • 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
    • A61B2018/1246—Generators therefor characterised by the output polarity
    • A61B2018/126—Generators therefor characterised by the output polarity bipolar

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Plasma & Fusion (AREA)
  • Pathology (AREA)
  • Surgical Instruments (AREA)
GB9302337A 1992-06-19 1993-02-05 Electrosurgical system Expired - Fee Related GB2267829B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/901,024 US5300070A (en) 1992-03-17 1992-06-19 Electrosurgical trocar assembly with bi-polar electrode

Publications (3)

Publication Number Publication Date
GB9302337D0 true GB9302337D0 (en) 1993-03-24
GB2267829A GB2267829A (en) 1993-12-22
GB2267829B GB2267829B (en) 1996-04-24

Family

ID=25413482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9302337A Expired - Fee Related GB2267829B (en) 1992-06-19 1993-02-05 Electrosurgical system

Country Status (5)

Country Link
JP (1) JPH0630948A (en)
AU (1) AU659261B2 (en)
FR (1) FR2692469B1 (en)
GB (1) GB2267829B (en)
IT (1) IT1261905B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432459A (en) * 1992-03-17 1995-07-11 Conmed Corporation Leakage capacitance compensating current sensor for current supplied to medical device loads with unconnected reference conductor
AU671902B2 (en) * 1993-06-01 1996-09-12 Conmed Corporation Current sensor for medical devices with continuity monitor
US8080058B2 (en) 2003-04-01 2011-12-20 Depuy Mitek, Inc. Method and apparatus for fixing a graft in a bone tunnel
US6113604A (en) * 1997-01-14 2000-09-05 Ethicon, Inc. Method and apparatus for fixing a graft in a bone tunnel
EP2206475A3 (en) * 1998-12-18 2010-11-17 Celon AG Medical Instruments Electrode assembly for a surgical instrument for carrying out an electrothermal coagulation of tissue
US20180311071A1 (en) 2005-10-21 2018-11-01 Daniel R. BURNETT Method and apparatus for peritoneal oxygenation
US20070093697A1 (en) 2005-10-21 2007-04-26 Theranova, Llc Method and apparatus for detection of right to left shunting in the cardiopulmonary vasculature
US20080249467A1 (en) * 2007-04-05 2008-10-09 Daniel Rogers Burnett Device and Method for Safe Access to a Body Cavity
WO2008124644A1 (en) 2007-04-05 2008-10-16 Velomedix, Inc Automated therapy system and method
WO2009009540A1 (en) 2007-07-09 2009-01-15 Velomedix, Inc. Hypothermia devices and methods
US9622670B2 (en) 2010-07-09 2017-04-18 Potrero Medical, Inc. Method and apparatus for pressure measurement

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3595239A (en) * 1969-04-04 1971-07-27 Roy A Petersen Catheter with electrical cutting means
US4043342A (en) * 1974-08-28 1977-08-23 Valleylab, Inc. Electrosurgical devices having sesquipolar electrode structures incorporated therein
US3946738A (en) * 1974-10-24 1976-03-30 Newton David W Leakage current cancelling circuit for use with electrosurgical instrument
US3964487A (en) * 1974-12-09 1976-06-22 The Birtcher Corporation Uncomplicated load-adapting electrosurgical cutting generator
US4356826A (en) * 1979-05-09 1982-11-02 Olympus Optical Co., Ltd. Stabbing apparatus for diagnosis of living body
US4565200A (en) * 1980-09-24 1986-01-21 Cosman Eric R Universal lesion and recording electrode system
GB2090532B (en) * 1981-01-02 1985-09-18 Goof Sven Karl Lennart An electrosurgical apparatus
US4483338A (en) * 1981-06-12 1984-11-20 Raychem Corporation Bi-Polar electrocautery needle
DE3523871C3 (en) * 1985-07-04 1994-07-28 Erbe Elektromedizin High frequency surgical device
US4716897A (en) * 1985-07-15 1988-01-05 Olympus Optical Co., Ltd. Electrosurgical apparatus
GB2213381B (en) * 1987-12-12 1992-06-03 Univ Wales Medicine Surgical diathermy instruments
US5009643A (en) * 1989-08-09 1991-04-23 Richard Wolf Medical Instruments Corp. Self-retaining electrically insulative trocar sleeve and trocar
US5071419A (en) * 1990-04-30 1991-12-10 Everest Medical Corporation Percutaneous laparoscopic cholecystectomy instrument
EP0525172B1 (en) * 1991-02-13 1999-09-01 Applied Medical Resources, Inc. Surgical trocar
US5300070A (en) * 1992-03-17 1994-04-05 Conmed Corporation Electrosurgical trocar assembly with bi-polar electrode

Also Published As

Publication number Publication date
GB2267829B (en) 1996-04-24
ITGE930024A1 (en) 1994-09-19
ITGE930024A0 (en) 1993-03-19
GB2267829A (en) 1993-12-22
AU659261B2 (en) 1995-05-11
JPH0630948A (en) 1994-02-08
IT1261905B (en) 1996-06-03
AU3182593A (en) 1993-12-23
FR2692469A1 (en) 1993-12-24
FR2692469B1 (en) 1997-04-25

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Legal Events

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

Effective date: 20000205