WO2008039302A3 - Minimally invasive bone anchor extensions - Google Patents

Minimally invasive bone anchor extensions Download PDF

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Publication number
WO2008039302A3
WO2008039302A3 PCT/US2007/019830 US2007019830W WO2008039302A3 WO 2008039302 A3 WO2008039302 A3 WO 2008039302A3 US 2007019830 W US2007019830 W US 2007019830W WO 2008039302 A3 WO2008039302 A3 WO 2008039302A3
Authority
WO
WIPO (PCT)
Prior art keywords
bone anchor
bone
minimally invasive
extension
anchor extensions
Prior art date
Application number
PCT/US2007/019830
Other languages
French (fr)
Other versions
WO2008039302A2 (en
Inventor
Sara Dziedzic
Shawn D Stad
Christopher Ramsay
Brian Fergus Murphy
Original Assignee
Depuy Spine Inc
Sara Dziedzic
Shawn D Stad
Christopher Ramsay
Brian Fergus Murphy
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 Depuy Spine Inc, Sara Dziedzic, Shawn D Stad, Christopher Ramsay, Brian Fergus Murphy filed Critical Depuy Spine Inc
Publication of WO2008039302A2 publication Critical patent/WO2008039302A2/en
Publication of WO2008039302A3 publication Critical patent/WO2008039302A3/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
    • A61B17/56—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
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8875—Screwdrivers, spanners or wrenches
    • 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
    • A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
    • 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
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
    • A61B17/7082—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation for driving, i.e. rotating, screws or screw parts specially adapted for spinal fixation, e.g. for driving polyaxial or tulip-headed screws
    • 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
    • A61B17/7091—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for applying, tightening or removing longitudinal element-to-bone anchor locking elements, e.g. caps, set screws, nuts or wedges

Abstract

Methods and devices are provided for facilitating delivery and implanting of a bone anchor into bone. In one exemplary embodiment, a bone anchor extension is provided for coupling to a bone anchor to facilitate delivery and implanting of the bone anchor in bone. The bone anchor extension can have a generally elongate configuration that allows it to extend from a skin incision in a patient to a site proximate a patient's spine, and it can include a lumen extending therethrough between proximal and distal ends thereof. A distal end of the bone anchor extension can be adapted to engage a bone anchor, such as a bone screw. Various techniques are provided for locking the distal end of the bone anchor extension into engagement with a bone anchor.
PCT/US2007/019830 2006-09-26 2007-09-13 Minimally invasive bone anchor extensions WO2008039302A2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US82700006P 2006-09-26 2006-09-26
US60/827,000 2006-09-26
US11/539,504 2006-10-06
US11/539,504 US7918858B2 (en) 2006-09-26 2006-10-06 Minimally invasive bone anchor extensions
US11/539,496 US7918857B2 (en) 2006-09-26 2006-10-06 Minimally invasive bone anchor extensions
US11/539,496 2006-10-06

Publications (2)

Publication Number Publication Date
WO2008039302A2 WO2008039302A2 (en) 2008-04-03
WO2008039302A3 true WO2008039302A3 (en) 2008-06-12

Family

ID=39239100

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/019830 WO2008039302A2 (en) 2006-09-26 2007-09-13 Minimally invasive bone anchor extensions

Country Status (2)

Country Link
US (3) US7918858B2 (en)
WO (1) WO2008039302A2 (en)

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WO2008039302A2 (en) 2008-04-03
US20080077135A1 (en) 2008-03-27
US20080077134A1 (en) 2008-03-27
US7918858B2 (en) 2011-04-05
US8828007B2 (en) 2014-09-09
US7918857B2 (en) 2011-04-05
US20110137350A1 (en) 2011-06-09

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