CA2172349A1 - Surgical dissector - Google Patents

Surgical dissector

Info

Publication number
CA2172349A1
CA2172349A1 CA002172349A CA2172349A CA2172349A1 CA 2172349 A1 CA2172349 A1 CA 2172349A1 CA 002172349 A CA002172349 A CA 002172349A CA 2172349 A CA2172349 A CA 2172349A CA 2172349 A1 CA2172349 A1 CA 2172349A1
Authority
CA
Canada
Prior art keywords
tissue
instrument
endoscope
balloon
contacting element
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
CA002172349A
Other languages
French (fr)
Other versions
CA2172349C (en
Inventor
Thomas J. Sierocuk
William A. Garrison
Allan R. Michetti
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
Priority to CA002552817A priority Critical patent/CA2552817C/en
Publication of CA2172349A1 publication Critical patent/CA2172349A1/en
Application granted granted Critical
Publication of CA2172349C publication Critical patent/CA2172349C/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
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
    • A61B2017/00557—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated inflatable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320044—Blunt dissectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320044—Blunt dissectors
    • A61B2017/320048—Balloon dissectors
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

A surgical instrument having an elongated shaft to which is attached an inflatable balloon, commonly referred to a "balloon dissector", for dissecting a desired layer of internal bodily tissue from remaining tissue layers to create an operative space is disclosed. Alternatively, an instrument without a balloon can be used to perform a manual dissection. In one embodiment, the instrument has a tissue-contacting element in communication with the shaft distal end, and at least a portion of the tissue-contacting element is transparent. The instrument is adapted to receive an endoscope through its shaft and extend to adjacent the tissue-contacting element. The endoscope is supported and positioned in an extension assembly. The instrument provides for visualization using the endoscope as the instrument is advanced through tissue, but prevents direct contact between the tip of the endoscope containing the lens and the tissue. The extension assembly also enables the endoscope to be adequately positioned and supported beyond the shaft distal end. When the instrument incorporates the balloon, the endoscope can extend into the lumen of the inflated balloon. In this way, improved visualization during use can be obtained.
CA002172349A 1995-03-24 1996-03-21 Surgical dissector Expired - Fee Related CA2172349C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002552817A CA2552817C (en) 1995-03-24 1996-03-21 Surgical dissector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/410,438 US5607441A (en) 1995-03-24 1995-03-24 Surgical dissector
US08/410,438 1995-03-24

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002552817A Division CA2552817C (en) 1995-03-24 1996-03-21 Surgical dissector

Publications (2)

Publication Number Publication Date
CA2172349A1 true CA2172349A1 (en) 1996-09-25
CA2172349C CA2172349C (en) 2009-02-03

Family

ID=23624732

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002172349A Expired - Fee Related CA2172349C (en) 1995-03-24 1996-03-21 Surgical dissector

Country Status (6)

Country Link
US (2) US5607441A (en)
EP (1) EP0733342B1 (en)
JP (1) JP3805826B2 (en)
AU (1) AU691091B2 (en)
CA (1) CA2172349C (en)
DE (1) DE69617297T2 (en)

Families Citing this family (170)

* Cited by examiner, † Cited by third party
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DE69617297T2 (en) 2002-06-13
CA2172349C (en) 2009-02-03
EP0733342B1 (en) 2001-11-28
EP0733342A1 (en) 1996-09-25
AU691091B2 (en) 1998-05-07
AU4817396A (en) 1996-10-03
JPH0919501A (en) 1997-01-21
US5707382A (en) 1998-01-13
DE69617297D1 (en) 2002-01-10
US5607441A (en) 1997-03-04
JP3805826B2 (en) 2006-08-09

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