DE4308168C2 - Trokar-Einrichtung - Google Patents

Trokar-Einrichtung

Info

Publication number
DE4308168C2
DE4308168C2 DE4308168A DE4308168A DE4308168C2 DE 4308168 C2 DE4308168 C2 DE 4308168C2 DE 4308168 A DE4308168 A DE 4308168A DE 4308168 A DE4308168 A DE 4308168A DE 4308168 C2 DE4308168 C2 DE 4308168C2
Authority
DE
Germany
Prior art keywords
trocar
cutting element
current
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.)
Expired - Fee Related
Application number
DE4308168A
Other languages
German (de)
English (en)
Other versions
DE4308168A1 (enExample
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
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 DE4308168A1 publication Critical patent/DE4308168A1/de
Application granted granted Critical
Publication of DE4308168C2 publication Critical patent/DE4308168C2/de
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
    • 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)
DE4308168A 1992-03-17 1993-03-15 Trokar-Einrichtung Expired - Fee Related DE4308168C2 (de)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
DE4308168A1 DE4308168A1 (enExample) 1993-09-23
DE4308168C2 true DE4308168C2 (de) 1999-05-27

Family

ID=27127120

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4308168A Expired - Fee Related DE4308168C2 (de) 1992-03-17 1993-03-15 Trokar-Einrichtung

Country Status (2)

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

Families Citing this family (3)

* 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
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120102C2 (enExample) * 1981-05-20 1987-08-20 Fischer Met Gmbh, 7800 Freiburg, De
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120102C2 (enExample) * 1981-05-20 1987-08-20 Fischer Met Gmbh, 7800 Freiburg, De
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

Also Published As

Publication number Publication date
DE4308168A1 (enExample) 1993-09-23
CA2089691A1 (en) 1993-09-18

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: A61B 17/39

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee