CA2089691A1 - Electrosurgical trocar assembly with bi-polar electrode - Google Patents

Electrosurgical trocar assembly with bi-polar electrode

Info

Publication number
CA2089691A1
CA2089691A1 CA002089691A CA2089691A CA2089691A1 CA 2089691 A1 CA2089691 A1 CA 2089691A1 CA 002089691 A CA002089691 A CA 002089691A CA 2089691 A CA2089691 A CA 2089691A CA 2089691 A1 CA2089691 A1 CA 2089691A1
Authority
CA
Canada
Prior art keywords
trocar
assembly
cutting element
cannula
electrosurgical
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.)
Abandoned
Application number
CA002089691A
Other languages
English (en)
French (fr)
Inventor
John S. Gentelia
Frank R. Williams
William C. Wheatley
Ernesto G. Sevilla
Sharyn E. Longo
Deborah E. Forbey
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
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
Priority claimed from US07/901,024 external-priority patent/US5300070A/en
Application filed by Individual filed Critical Individual
Publication of CA2089691A1 publication Critical patent/CA2089691A1/en
Abandoned 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
    • A61B18/14—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
    • A61B17/00—Surgical instruments, devices or methods
    • 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
    • A61B18/1206—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)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Otolaryngology (AREA)
  • Surgical Instruments (AREA)
CA002089691A 1992-03-17 1993-02-17 Electrosurgical trocar assembly with bi-polar electrode Abandoned CA2089691A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US85314992A 1992-03-17 1992-03-17
US853,149 1992-03-17
US07/901,024 US5300070A (en) 1992-03-17 1992-06-19 Electrosurgical trocar assembly with bi-polar electrode
US901,024 1992-06-19

Publications (1)

Publication Number Publication Date
CA2089691A1 true CA2089691A1 (en) 1993-09-18

Family

ID=27127120

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002089691A Abandoned CA2089691A1 (en) 1992-03-17 1993-02-17 Electrosurgical trocar assembly with bi-polar electrode

Country Status (2)

Country Link
CA (1) CA2089691A1 (enExample)
DE (1) DE4308168C2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112220503A (zh) * 2020-05-26 2021-01-15 成都博恩思医学机器人有限公司 一种滑块结构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4312147C2 (de) * 1992-04-14 1996-01-25 Olympus Optical Co Trokar
DE19626408A1 (de) * 1996-07-01 1998-01-08 Berchtold Gmbh & Co Geb Trokar für laparoskopische Operationen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120102A1 (de) * 1981-05-20 1982-12-09 F.L. Fischer GmbH & Co, 7800 Freiburg Anordnung zur hochfrequenzkoagulation von eiweiss fuer chirurgische zwecke
US4716897A (en) * 1985-07-15 1988-01-05 Olympus Optical Co., Ltd. Electrosurgical apparatus
US4986814A (en) * 1988-06-13 1991-01-22 Indianapolis Center For Advanced Research One-punch catheter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112220503A (zh) * 2020-05-26 2021-01-15 成都博恩思医学机器人有限公司 一种滑块结构
CN112220503B (zh) * 2020-05-26 2023-09-22 成都博恩思医学机器人有限公司 一种滑块结构

Also Published As

Publication number Publication date
DE4308168C2 (de) 1999-05-27
DE4308168A1 (enExample) 1993-09-23

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Legal Events

Date Code Title Description
FZDE Discontinued