CA2242080A1 - Capacitively coupled electrosurgical trocar - Google Patents

Capacitively coupled electrosurgical trocar

Info

Publication number
CA2242080A1
CA2242080A1 CA002242080A CA2242080A CA2242080A1 CA 2242080 A1 CA2242080 A1 CA 2242080A1 CA 002242080 A CA002242080 A CA 002242080A CA 2242080 A CA2242080 A CA 2242080A CA 2242080 A1 CA2242080 A1 CA 2242080A1
Authority
CA
Canada
Prior art keywords
electrosurgical
adapter
cannula
elongated
trocar
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
CA002242080A
Other languages
French (fr)
Other versions
CA2242080C (en
Inventor
Gary L. Long
Lynetta J. Freeman
Bryan D. Knodel
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.)
Ethicon Endo Surgery Inc
Original Assignee
Ethicon Endo Surgery Inc
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 Ethicon Endo Surgery Inc filed Critical Ethicon Endo Surgery Inc
Publication of CA2242080A1 publication Critical patent/CA2242080A1/en
Application granted granted Critical
Publication of CA2242080C publication Critical patent/CA2242080C/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
    • 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, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • 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
    • 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
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • 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
    • A61B18/1485—Probes or electrodes therefor having a short rigid shaft for accessing the inner body through natural openings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00477—Coupling
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00172—Connectors and adapters therefor
    • A61B2018/00178—Electrical connectors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/05—Circuit arrangements or systems for wireless supply or distribution of electric power using capacitive coupling

Abstract

In the present invention, a surgical trocar is adapted to capacitively couple electrosurgical energy to specially adapted cordless electrosurgical instruments. In one embodiment of the present invention, an electrosurgical trocar includes a cannula, a capacitive electrosurgical adapter and a locking connector adapted to connect the cannula to the capacitive electrosurgical adapter. The cannula is an elongated tube which may be inserted into a body cavity, duct or vessel. The electrosurgical adapter includes a housing with an elongated central aperture, an adapter proximal capacitor plate and an adapter distal capacitor plate positioned in and extending axially along the elongated aperture, first and second electrical conductors, first and second external conductors, a compression mechanism, an outer housing and an electrical cord.
CA002242080A 1997-06-30 1998-06-29 Capacitively coupled electrosurgical trocar Expired - Fee Related CA2242080C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/885,458 US6106519A (en) 1997-06-30 1997-06-30 Capacitively coupled electrosurgical trocar
US08/885,458 1997-06-30

Publications (2)

Publication Number Publication Date
CA2242080A1 true CA2242080A1 (en) 1998-12-30
CA2242080C CA2242080C (en) 2008-07-29

Family

ID=25386948

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002242080A Expired - Fee Related CA2242080C (en) 1997-06-30 1998-06-29 Capacitively coupled electrosurgical trocar

Country Status (7)

Country Link
US (3) US6106519A (en)
EP (1) EP0888747B1 (en)
JP (1) JP4112080B2 (en)
AU (1) AU745102B2 (en)
CA (1) CA2242080C (en)
DE (1) DE69828110T2 (en)
ES (1) ES2234075T3 (en)

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Also Published As

Publication number Publication date
JP4112080B2 (en) 2008-07-02
US6106519A (en) 2000-08-22
US6206875B1 (en) 2001-03-27
ES2234075T3 (en) 2005-06-16
EP0888747B1 (en) 2004-12-15
JPH1199158A (en) 1999-04-13
EP0888747A1 (en) 1999-01-07
DE69828110T2 (en) 2005-11-03
CA2242080C (en) 2008-07-29
DE69828110D1 (en) 2005-01-20
US6187002B1 (en) 2001-02-13
AU7319098A (en) 1999-01-07
AU745102B2 (en) 2002-03-14

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Effective date: 20160629