CA2237420A1 - Improved electrosurgical hemostatic method and device including an anvil - Google Patents

Improved electrosurgical hemostatic method and device including an anvil

Info

Publication number
CA2237420A1
CA2237420A1 CA002237420A CA2237420A CA2237420A1 CA 2237420 A1 CA2237420 A1 CA 2237420A1 CA 002237420 A CA002237420 A CA 002237420A CA 2237420 A CA2237420 A CA 2237420A CA 2237420 A1 CA2237420 A1 CA 2237420A1
Authority
CA
Canada
Prior art keywords
aperture
contact means
electrical contact
electrosurgical
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
CA002237420A
Other languages
French (fr)
Other versions
CA2237420C (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 CA2237420A1 publication Critical patent/CA2237420A1/en
Application granted granted Critical
Publication of CA2237420C publication Critical patent/CA2237420C/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
    • 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
    • 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
    • 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
    • A61B18/1482—Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/12—Connectors or connections adapted for particular applications for medicine and surgery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members

Abstract

There is disclosed an electrosurgical trocar, an electrosurgical adaptor, and methods of supplying electrosurgical energy to a cordless electrosurgical instrument comprising an elongated central aperture extending from the first end of said trocar to a second end of said trocar, wherein said first aperture is surrounded by an aperture wall; first and second electrical contact means positioned in and extending axially along said elongated aperture; a first electrical conductor connecting said first electrical contact means to a first external connector; a second electrical conductor connecting said second electrical contact means to a second external connector; a compression means adapted to bias said first and second electrical contact means towards the center of said aperture; an outer housing surrounding said aperture and said first and second electrical contact means; and an electrical cord connected to said first and second external connectors and extending from said outer housing.
CA002237420A 1997-05-14 1998-05-12 Improved electrosurgical hemostatic method and device including an anvil Expired - Fee Related CA2237420C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/856,534 US5984921A (en) 1997-05-14 1997-05-14 Method and apparatus for applying electrical energy to medical instruments
US08/856,534 1997-05-14

Publications (2)

Publication Number Publication Date
CA2237420A1 true CA2237420A1 (en) 1998-11-14
CA2237420C CA2237420C (en) 2006-11-21

Family

ID=25323877

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002237420A Expired - Fee Related CA2237420C (en) 1997-05-14 1998-05-12 Improved electrosurgical hemostatic method and device including an anvil

Country Status (7)

Country Link
US (3) US5984921A (en)
EP (1) EP0878877B1 (en)
JP (1) JP4137232B2 (en)
AU (1) AU730322B2 (en)
CA (1) CA2237420C (en)
DE (1) DE69803141T2 (en)
ES (1) ES2167048T3 (en)

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CN103352810A (en) * 2006-03-07 2013-10-16 芙罗服务管理公司 Power generation for valve actuator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352810A (en) * 2006-03-07 2013-10-16 芙罗服务管理公司 Power generation for valve actuator
CN103352810B (en) * 2006-03-07 2016-07-06 芙罗服务管理公司 Generate electricity for valve acutator

Also Published As

Publication number Publication date
EP0878877B1 (en) 2002-01-16
DE69803141D1 (en) 2002-02-21
DE69803141T2 (en) 2002-07-11
AU730322B2 (en) 2001-03-01
JPH1170117A (en) 1999-03-16
US6120501A (en) 2000-09-19
CA2237420C (en) 2006-11-21
ES2167048T3 (en) 2002-05-01
US5984921A (en) 1999-11-16
EP0878877A1 (en) 1998-11-18
US6030403A (en) 2000-02-29
JP4137232B2 (en) 2008-08-20
AU6487198A (en) 1998-11-19

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150512