WO2003028523A3 - Improved o-ring for incrementally adjustable incision liner and retractor - Google Patents

Improved o-ring for incrementally adjustable incision liner and retractor Download PDF

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Publication number
WO2003028523A3
WO2003028523A3 PCT/US2002/022541 US0222541W WO03028523A3 WO 2003028523 A3 WO2003028523 A3 WO 2003028523A3 US 0222541 W US0222541 W US 0222541W WO 03028523 A3 WO03028523 A3 WO 03028523A3
Authority
WO
WIPO (PCT)
Prior art keywords
ring
cross
improved
recess
shaped
Prior art date
Application number
PCT/US2002/022541
Other languages
French (fr)
Other versions
WO2003028523A2 (en
Inventor
Robert D Rambo
Original Assignee
Robert D Rambo
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 Robert D Rambo filed Critical Robert D Rambo
Priority to EP02748174A priority Critical patent/EP1441634A2/en
Priority to CA002462541A priority patent/CA2462541A1/en
Priority to AU2002318243A priority patent/AU2002318243A1/en
Publication of WO2003028523A2 publication Critical patent/WO2003028523A2/en
Publication of WO2003028523A3 publication Critical patent/WO2003028523A3/en

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
    • A61B17/3421—Cannulas
    • A61B17/3423—Access ports, e.g. toroid shape introducers for instruments or hands
    • 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
    • A61B17/0293—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with ring member to support retractor elements
    • 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
    • A61B17/3421—Cannulas
    • A61B17/3431—Cannulas being collapsible, e.g. made of thin flexible material
    • 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
    • A61B90/40—Apparatus fixed or close to patients specially adapted for providing an aseptic surgical environment

Landscapes

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

Abstract

An O-ring (10, 12) is provided for use in an adjustable surgical wound protector having a solid cross-section including a cross-sectional center (20) that is spaced from a central longitudinal axis and a resilient configuration for squeezing into an oblong shape that is insertable into a surgical shape. At least one recess (26, 28) is defined in the O-ring that is selectively sized and shaped to enable a snap action rolling of the O-ring about the cross-sectional center in predetermined increments. The recess may comprise various cross-sectional shapes, such as, at least one circumferential groove, a plurality of circumferentially positioned recesses (70), or be shaped such that the O-ring comprises a cruciform cross-section. An improved incrementally adjustable apparatus for protecting an incised wound from exposure to bacterial and other harmful contaminants is also provided including a pair of resilient O-rings (10, 12) connected to opposite ends of an impermeable pliable sleeve (8).
PCT/US2002/022541 2001-10-03 2002-07-16 Improved o-ring for incrementally adjustable incision liner and retractor WO2003028523A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP02748174A EP1441634A2 (en) 2001-10-03 2002-07-16 Improved o-ring for incrementally adjustable incision liner and retractor
CA002462541A CA2462541A1 (en) 2001-10-03 2002-07-16 Improved o-ring for incrementally adjustable incision liner and retractor
AU2002318243A AU2002318243A1 (en) 2001-10-03 2002-07-16 Improved o-ring for incrementally adjustable incision liner and retractor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/970,416 US6450983B1 (en) 2001-10-03 2001-10-03 O-ring for incrementally adjustable incision liner and retractor
US09/970,416 2001-10-03

Publications (2)

Publication Number Publication Date
WO2003028523A2 WO2003028523A2 (en) 2003-04-10
WO2003028523A3 true WO2003028523A3 (en) 2003-11-06

Family

ID=25516917

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/022541 WO2003028523A2 (en) 2001-10-03 2002-07-16 Improved o-ring for incrementally adjustable incision liner and retractor

Country Status (5)

Country Link
US (4) US6450983B1 (en)
EP (1) EP1441634A2 (en)
AU (1) AU2002318243A1 (en)
CA (1) CA2462541A1 (en)
WO (1) WO2003028523A2 (en)

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* Cited by examiner, † Cited by third party
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US6450983B1 (en) 2002-09-17
CA2462541A1 (en) 2003-04-10
EP1441634A2 (en) 2004-08-04
US20030187376A1 (en) 2003-10-02
US20050228447A1 (en) 2005-10-13
US6613952B2 (en) 2003-09-02
WO2003028523A2 (en) 2003-04-10
US20030062051A1 (en) 2003-04-03
AU2002318243A1 (en) 2003-04-14

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