CA2314785A1 - Surgical instrument and method for endoscopic tissue dissection - Google Patents

Surgical instrument and method for endoscopic tissue dissection Download PDF

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Publication number
CA2314785A1
CA2314785A1 CA002314785A CA2314785A CA2314785A1 CA 2314785 A1 CA2314785 A1 CA 2314785A1 CA 002314785 A CA002314785 A CA 002314785A CA 2314785 A CA2314785 A CA 2314785A CA 2314785 A1 CA2314785 A1 CA 2314785A1
Authority
CA
Canada
Prior art keywords
surgical instrument
shaft
longitudinal axis
tissue dissection
distal end
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
CA002314785A
Other languages
French (fr)
Other versions
CA2314785C (en
Inventor
Ronald J. Kolata
Bennie Thompson
Jason C. Bertin
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 CA2314785A1 publication Critical patent/CA2314785A1/en
Application granted granted Critical
Publication of CA2314785C publication Critical patent/CA2314785C/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
    • A61B17/00008—Vein tendon strippers
    • 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
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/361—Image-producing devices, e.g. surgical cameras

Abstract

A surgical instrument and method is provided for optically penetrating bodily tissue for creating an initial body cavity such as during a vessel harvesting procedure. The surgical instrument comprises an elongated shaft having a longitudinal axis, a proximal end, and a distal end. The surgical instrument further comprises an optical penetrating tip having a cylindrical portion attached to the distal end of the shaft, and a tapered portion extending distally therefrom.
The tapered portion has an apex spaced laterally apart from the longitudinal axis.
In one embodiment of the present invention, a handle is attached to the proximal end of the shaft.
CA002314785A 1999-08-02 2000-08-01 Surgical instrument and method for endoscopic tissue dissection Expired - Fee Related CA2314785C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/365946 1999-08-02
US09/365,946 US6206823B1 (en) 1999-08-02 1999-08-02 Surgical instrument and method for endoscopic tissue dissection

Publications (2)

Publication Number Publication Date
CA2314785A1 true CA2314785A1 (en) 2001-02-02
CA2314785C CA2314785C (en) 2007-04-10

Family

ID=23441052

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002314785A Expired - Fee Related CA2314785C (en) 1999-08-02 2000-08-01 Surgical instrument and method for endoscopic tissue dissection

Country Status (6)

Country Link
US (1) US6206823B1 (en)
EP (1) EP1074224B1 (en)
JP (1) JP4141624B2 (en)
AU (1) AU774406B2 (en)
CA (1) CA2314785C (en)
DE (1) DE60034091T2 (en)

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Also Published As

Publication number Publication date
JP4141624B2 (en) 2008-08-27
EP1074224A3 (en) 2001-04-04
EP1074224B1 (en) 2007-03-28
AU5189800A (en) 2001-02-08
EP1074224A2 (en) 2001-02-07
DE60034091D1 (en) 2007-05-10
JP2001079010A (en) 2001-03-27
AU774406B2 (en) 2004-06-24
CA2314785C (en) 2007-04-10
US6206823B1 (en) 2001-03-27
DE60034091T2 (en) 2008-01-24

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