CA2241916A1 - Inductively coupled electrosurgical trocar - Google Patents

Inductively coupled electrosurgical trocar

Info

Publication number
CA2241916A1
CA2241916A1 CA002241916A CA2241916A CA2241916A1 CA 2241916 A1 CA2241916 A1 CA 2241916A1 CA 002241916 A CA002241916 A CA 002241916A CA 2241916 A CA2241916 A CA 2241916A CA 2241916 A1 CA2241916 A1 CA 2241916A1
Authority
CA
Canada
Prior art keywords
electrosurgical
cannula
inductive
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
CA002241916A
Other languages
French (fr)
Other versions
CA2241916C (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 CA2241916A1 publication Critical patent/CA2241916A1/en
Application granted granted Critical
Publication of CA2241916C publication Critical patent/CA2241916C/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
    • A61B17/3476—Powered trocars, e.g. electrosurgical cutting, lasers, powered knives

Abstract

In the present invention, a surgical trocar is adapted to inductively couple electrosurgical energy to specially adapted cordless electrosurgical instruments. In one embodiment of the present invention, an electrosurgical trocar includes a cannula, an inductive electrosurgical adapter and a locking connector adapted to connect the cannula to the inductive electrosurgical adapter. The cannula is an elongated tube which may be inserted into a body cavity, duct or vessel. The inductive electrosurgical adapter includes a housing with an elongated central aperture, a primary inductor coil positioned around and extending axially along the elongated aperture, first and second inductor leads, first and second conductors, an outer housing and an electrical cord.
CA002241916A 1997-06-30 1998-06-29 Inductively coupled electrosurgical trocar Expired - Fee Related CA2241916C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/885,166 US5916215A (en) 1997-06-30 1997-06-30 Inductively coupled electrosurgical trocar
US08/885,166 1997-06-30

Publications (2)

Publication Number Publication Date
CA2241916A1 true CA2241916A1 (en) 1998-12-30
CA2241916C CA2241916C (en) 2008-07-29

Family

ID=25386305

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002241916A Expired - Fee Related CA2241916C (en) 1997-06-30 1998-06-29 Inductively coupled electrosurgical trocar

Country Status (6)

Country Link
US (2) US5916215A (en)
EP (1) EP0888748B1 (en)
JP (1) JP4145394B2 (en)
AU (1) AU729872B2 (en)
CA (1) CA2241916C (en)
DE (1) DE69828336T2 (en)

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US6106519A (en) * 1997-06-30 2000-08-22 Ethicon Endo-Surgery, Inc. Capacitively coupled electrosurgical trocar
US6117133A (en) * 1998-04-03 2000-09-12 Zappala; Stephen M. Multiple-lumen sheath for a resectoscope
US6488680B1 (en) * 2000-04-27 2002-12-03 Medtronic, Inc. Variable length electrodes for delivery of irrigated ablation
US6895282B2 (en) 2002-10-04 2005-05-17 Boston Scientific Scimed, Inc. Induction heating for the delivery of thermal therapy
US7645278B2 (en) * 2006-02-22 2010-01-12 Olympus Corporation Coagulating cutter
US8573225B2 (en) * 2008-03-05 2013-11-05 Tenzin, Llc Methods and devices for retaining surgical instruments and cables within sterile fields
US8517239B2 (en) * 2009-02-05 2013-08-27 Ethicon Endo-Surgery, Inc. Surgical stapling instrument comprising a magnetic element driver
US8597295B2 (en) 2010-04-12 2013-12-03 Covidien Lp Surgical instrument with non-contact electrical coupling
EP3015047A4 (en) * 2013-06-28 2017-03-08 Olympus Corporation Endoscope system
JP6120963B2 (en) * 2013-06-28 2017-04-26 オリンパス株式会社 Endoscope system
JP6274960B2 (en) * 2013-06-28 2018-02-07 オリンパス株式会社 Endoscope system
JP6095507B2 (en) * 2013-06-28 2017-03-15 オリンパス株式会社 Endoscope system
JP6177095B2 (en) * 2013-11-08 2017-08-09 オリンパス株式会社 Treatment instrument and medical system
JP6049569B2 (en) * 2013-08-22 2016-12-21 オリンパス株式会社 Surgical system and trocar
JP2015066079A (en) * 2013-09-27 2015-04-13 オリンパス株式会社 Ultrasonic treatment instrument and surgical operation system
JP6329422B2 (en) * 2014-04-21 2018-05-23 オリンパス株式会社 Medical instruments, insertion aids, and medical systems
WO2016071983A1 (en) * 2014-11-06 2016-05-12 オリンパス株式会社 Trocar and medical wireless power feeding system
EP3220798B1 (en) 2014-11-18 2021-03-24 Smith & Nephew, Inc. Endocoupler with induction coupling
CN107205755A (en) * 2015-02-27 2017-09-26 奥林巴斯株式会社 Medical feed system
EP3359060B1 (en) * 2015-12-03 2021-12-01 Boston Scientific Scimed, Inc. Electrocautery hemostasis clip
EP3545893B1 (en) * 2015-12-11 2020-06-17 Reach Surgical, Inc. Modular signal interface system and powered trocar
JP2018148973A (en) * 2017-03-10 2018-09-27 株式会社Ｊｖｃケンウッド Surgery system, surgical instrument, trocar, and determination method
US11298155B2 (en) * 2019-04-24 2022-04-12 Covidien Lp Cutting guard with radiofrequency dissection

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Also Published As

Publication number Publication date
US6117132A (en) 2000-09-12
CA2241916C (en) 2008-07-29
DE69828336T2 (en) 2005-12-08
AU729872B2 (en) 2001-02-15
US5916215A (en) 1999-06-29
JP4145394B2 (en) 2008-09-03
JPH11104141A (en) 1999-04-20
EP0888748B1 (en) 2004-12-29
AU7318898A (en) 1999-01-07
DE69828336D1 (en) 2005-02-03
EP0888748A1 (en) 1999-01-07

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160629