WO2004071334A3 - Structure for receiving surgical instruments - Google Patents

Structure for receiving surgical instruments Download PDF

Info

Publication number
WO2004071334A3
WO2004071334A3 PCT/US2004/001664 US2004001664W WO2004071334A3 WO 2004071334 A3 WO2004071334 A3 WO 2004071334A3 US 2004001664 W US2004001664 W US 2004001664W WO 2004071334 A3 WO2004071334 A3 WO 2004071334A3
Authority
WO
WIPO (PCT)
Prior art keywords
cross
sectional area
passage
expandable portion
distal end
Prior art date
Application number
PCT/US2004/001664
Other languages
French (fr)
Other versions
WO2004071334A2 (en
Inventor
Gene P Dipoto
William Silver
John D Unger
Original Assignee
Endius 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 Endius Inc filed Critical Endius Inc
Publication of WO2004071334A2 publication Critical patent/WO2004071334A2/en
Publication of WO2004071334A3 publication Critical patent/WO2004071334A3/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
    • A61B17/02—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
    • 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
    • A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00261—Discectomy

Abstract

A structure for receiving surgical instruments for performing a surgical procedure on a body includes a passage (16) through which the surgical instruments are inserted into the body. The passage (16) has a proximal end and a distal end. An expandable portion (40) enables an increase in the cross-sectional area of the distal end of the passage (16). The expandable portion (40) has a contracted condition in which the cross-sectional area of the distal end of the passage has a first cross-sectional area. The expandable portion (16) has an expanded condition in which the distal end of the passage has a second cross-sectional area greater than the first cross-sectional area. The second cross-sectional area is greater than a cross-sectional area of the proximal end of the passage when the expandable portion is in the expanded condition. A retaining mechanism (106) resists movement of the expandable portion (40) from the expanded condition toward the contracted condition during the surgical procedure. The retaining mechanism (106) is released at the conclusion of the surgical procedure to permit movement of the expandable portion from the expanded condition toward the contracted condition for removal of the structure.
PCT/US2004/001664 2003-02-10 2004-01-22 Structure for receiving surgical instruments WO2004071334A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/361,887 2003-02-10
US10/361,887 US7144393B2 (en) 2001-05-15 2003-02-10 Structure for receiving surgical instruments

Publications (2)

Publication Number Publication Date
WO2004071334A2 WO2004071334A2 (en) 2004-08-26
WO2004071334A3 true WO2004071334A3 (en) 2005-07-14

Family

ID=32867965

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/001664 WO2004071334A2 (en) 2003-02-10 2004-01-22 Structure for receiving surgical instruments

Country Status (2)

Country Link
US (4) US7144393B2 (en)
WO (1) WO2004071334A2 (en)

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US7766930B2 (en) 2010-08-03
US20030153927A1 (en) 2003-08-14
WO2004071334A2 (en) 2004-08-26
US20070142857A1 (en) 2007-06-21
US7144393B2 (en) 2006-12-05
US20050149106A1 (en) 2005-07-07
US7985218B2 (en) 2011-07-26
US20040097907A1 (en) 2004-05-20
US8007492B2 (en) 2011-08-30

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