CA2131840A1 - Optical trocar - Google Patents

Optical trocar

Info

Publication number
CA2131840A1
CA2131840A1 CA002131840A CA2131840A CA2131840A1 CA 2131840 A1 CA2131840 A1 CA 2131840A1 CA 002131840 A CA002131840 A CA 002131840A CA 2131840 A CA2131840 A CA 2131840A CA 2131840 A1 CA2131840 A1 CA 2131840A1
Authority
CA
Canada
Prior art keywords
sleeve
longitudinal bore
optical
pass
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
CA002131840A
Other languages
French (fr)
Other versions
CA2131840C (en
Inventor
Jude S. Sauer
Michael G. Oravecz
Roger J. Greenwald
Alexander I. Kobilansky
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.)
United States Surgical Corp
Original Assignee
Individual
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 US08/120,489 external-priority patent/US5441041A/en
Application filed by Individual filed Critical Individual
Publication of CA2131840A1 publication Critical patent/CA2131840A1/en
Application granted granted Critical
Publication of CA2131840C publication Critical patent/CA2131840C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
    • A61B17/3496—Protecting sleeves or inner probes; Retractable tips
    • 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
    • A61B2090/306—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using optical fibres
    • 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

The present invention relates to an optical obturator which includes a sleeve having a longitudinal bore between a proximal end and a distal end. The longitudinal bore of the sleeve is configured to receive at least a portion of an endoscope or like image transferring system. An image passing member, such as an optical window as positioned at the distal end of the sleeve and is provided to permit optical images to pass into the longitudinal bore of the sleeve and to permit illumination light to pass to the surgical site. An automatically retracting blade is positioned distal to the image passing member to facilitate penetration of body tissue.
CA002131840A 1993-09-13 1994-09-12 Optical trocar Expired - Lifetime CA2131840C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/120,489 US5441041A (en) 1993-09-13 1993-09-13 Optical trocar
US08/120,489 1993-09-13
US08/132,403 US5467762A (en) 1993-09-13 1993-10-06 Optical trocar
US08/132,403 1993-10-06

Publications (2)

Publication Number Publication Date
CA2131840A1 true CA2131840A1 (en) 1995-03-14
CA2131840C CA2131840C (en) 2005-02-15

Family

ID=26818424

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002131840A Expired - Lifetime CA2131840C (en) 1993-09-13 1994-09-12 Optical trocar

Country Status (7)

Country Link
US (7) US5467762A (en)
EP (1) EP0642764B1 (en)
JP (1) JP3512242B2 (en)
AU (1) AU678500B2 (en)
CA (1) CA2131840C (en)
DE (1) DE69407238T2 (en)
ES (1) ES2110167T3 (en)

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US7322933B2 (en) 2008-01-29
DE69407238T2 (en) 1998-04-30
JP3512242B2 (en) 2004-03-29
US6685630B2 (en) 2004-02-03
US20040158126A1 (en) 2004-08-12
CA2131840C (en) 2005-02-15
AU678500B2 (en) 1997-05-29
US20020143236A1 (en) 2002-10-03
EP0642764B1 (en) 1997-12-10
US20050261717A1 (en) 2005-11-24
JPH07148108A (en) 1995-06-13
EP0642764A1 (en) 1995-03-15
US20080154295A1 (en) 2008-06-26
ES2110167T3 (en) 1998-02-01
US5467762A (en) 1995-11-21
US5569160A (en) 1996-10-29
US20110040253A1 (en) 2011-02-17
AU7295294A (en) 1995-03-23
US7811225B2 (en) 2010-10-12
DE69407238D1 (en) 1998-01-22

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