WO2006081375A3 - Reducing instrument for spinal surgery - Google Patents

Reducing instrument for spinal surgery Download PDF

Info

Publication number
WO2006081375A3
WO2006081375A3 PCT/US2006/002828 US2006002828W WO2006081375A3 WO 2006081375 A3 WO2006081375 A3 WO 2006081375A3 US 2006002828 W US2006002828 W US 2006002828W WO 2006081375 A3 WO2006081375 A3 WO 2006081375A3
Authority
WO
WIPO (PCT)
Prior art keywords
portions
instrument
implant
connecting member
arm portions
Prior art date
Application number
PCT/US2006/002828
Other languages
French (fr)
Other versions
WO2006081375A2 (en
Inventor
David L Brumfield
Keith Miller
Original Assignee
Sdgi Holdings Inc
David L Brumfield
Keith Miller
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 Sdgi Holdings Inc, David L Brumfield, Keith Miller filed Critical Sdgi Holdings Inc
Priority to AU2006208030A priority Critical patent/AU2006208030A1/en
Priority to CA002593809A priority patent/CA2593809A1/en
Publication of WO2006081375A2 publication Critical patent/WO2006081375A2/en
Publication of WO2006081375A3 publication Critical patent/WO2006081375A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/18—Adjusting means for the operating arms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A61B17/7083—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements
    • A61B17/7086—Rod reducers, i.e. devices providing a mechanical advantage to allow a user to force a rod into or onto an anchor head other than by means of a rod-to-bone anchor locking element; rod removers
    • A61B17/7088—Rod reducers, i.e. devices providing a mechanical advantage to allow a user to force a rod into or onto an anchor head other than by means of a rod-to-bone anchor locking element; rod removers wherein the rod is moved transverse to the axis of the bone anchor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/02—Jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/14—Locking means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/2804—Surgical forceps with two or more pivotal connections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
    • A61B17/7034—Screws or hooks with U-shaped head or back through which longitudinal rods pass characterised by a lateral opening

Abstract

An instrument is provided for use in orthopedic surgery for reduction of a connecting member such as a spinal rod toward an implant such as a bone screw. An embodiment of the instrument includes handle portions that are pivotable relative to each other and biased apart, and arm portions pivotable relative to each other and to the handle portions. Distal portions of the arm portions, which are offset from the arm portions, provide structure for engaging a connecting member and an implant. Squeezing the handle portions force the distal portions of the arm portions together, forcing together the connecting member and the implant. A toothed bar and pawl may be provided to retain the instrument in a squeezed state.
PCT/US2006/002828 2005-01-27 2006-01-26 Reducing instrument for spinal surgery WO2006081375A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2006208030A AU2006208030A1 (en) 2005-01-27 2006-01-26 Reducing instrument for spinal surgery
CA002593809A CA2593809A1 (en) 2005-01-27 2006-01-26 Reducing instrument for spinal surgery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/236,339 2005-01-27
US11/236,339 US7744598B2 (en) 2005-01-26 2005-09-27 Reducing instrument for spinal surgery

Publications (2)

Publication Number Publication Date
WO2006081375A2 WO2006081375A2 (en) 2006-08-03
WO2006081375A3 true WO2006081375A3 (en) 2007-04-19

Family

ID=36609000

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/002828 WO2006081375A2 (en) 2005-01-27 2006-01-26 Reducing instrument for spinal surgery

Country Status (4)

Country Link
US (3) US7625376B2 (en)
AU (1) AU2006208030A1 (en)
CA (1) CA2593809A1 (en)
WO (1) WO2006081375A2 (en)

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US20060166534A1 (en) 2006-07-27
US8105329B2 (en) 2012-01-31
US20100280560A1 (en) 2010-11-04
WO2006081375A2 (en) 2006-08-03
US7744598B2 (en) 2010-06-29
US20060166535A1 (en) 2006-07-27
AU2006208030A1 (en) 2006-08-03
US7625376B2 (en) 2009-12-01
US20110245884A9 (en) 2011-10-06

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