WO2005086651A3 - Polyaxial pedicle screw assembly - Google Patents

Polyaxial pedicle screw assembly Download PDF

Info

Publication number
WO2005086651A3
WO2005086651A3 PCT/US2005/005681 US2005005681W WO2005086651A3 WO 2005086651 A3 WO2005086651 A3 WO 2005086651A3 US 2005005681 W US2005005681 W US 2005005681W WO 2005086651 A3 WO2005086651 A3 WO 2005086651A3
Authority
WO
WIPO (PCT)
Prior art keywords
screw head
screw assembly
pedicle screw
polyaxial pedicle
engaging
Prior art date
Application number
PCT/US2005/005681
Other languages
French (fr)
Other versions
WO2005086651A2 (en
Inventor
Mahmoud F Abdelgany
Original Assignee
Custom Spine Inc
Mahmoud F Abdelgany
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 Custom Spine Inc, Mahmoud F Abdelgany filed Critical Custom Spine Inc
Priority to JP2007500936A priority Critical patent/JP4498413B2/en
Priority to EP05723528A priority patent/EP1725175B1/en
Priority to DE602005020259T priority patent/DE602005020259D1/en
Priority to AT05723528T priority patent/ATE462363T1/en
Publication of WO2005086651A2 publication Critical patent/WO2005086651A2/en
Publication of WO2005086651A3 publication Critical patent/WO2005086651A3/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
    • A61B17/68—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
    • A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
    • A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
    • 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

Abstract

A pedicle fixation assembly and method for assembly comprises a screw head comprising a male bulbous end; a bone fixator component comprising a female concave semi-spherical socket for receiving the screw head; a locking saddle pin for engaging the screw head and the bone fixator component; and a blocker for engaging the screw head and for securing the longitudinal member.
PCT/US2005/005681 2004-02-27 2005-02-23 Polyaxial pedicle screw assembly WO2005086651A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2007500936A JP4498413B2 (en) 2004-02-27 2005-02-23 Multi-axis pattern joining screw assembly
EP05723528A EP1725175B1 (en) 2004-02-27 2005-02-23 Polyaxial pedicle screw assembly
DE602005020259T DE602005020259D1 (en) 2004-02-27 2005-02-23 POLYAXIALPEDIKELSCHRAUBENANORDUNG
AT05723528T ATE462363T1 (en) 2004-02-27 2005-02-23 POLYAXIAL PEDICLE SCREW ASSEMBLY

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US54854304P 2004-02-27 2004-02-27
US60/548,543 2004-02-27
US56565804P 2004-04-27 2004-04-27
US60/565,658 2004-04-27
US11/045,908 US7862594B2 (en) 2004-02-27 2005-01-28 Polyaxial pedicle screw assembly
US11/045,908 2005-01-28

Publications (2)

Publication Number Publication Date
WO2005086651A2 WO2005086651A2 (en) 2005-09-22
WO2005086651A3 true WO2005086651A3 (en) 2006-09-08

Family

ID=34890975

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/005681 WO2005086651A2 (en) 2004-02-27 2005-02-23 Polyaxial pedicle screw assembly

Country Status (7)

Country Link
US (3) US7862594B2 (en)
EP (1) EP1725175B1 (en)
JP (1) JP4498413B2 (en)
AT (1) ATE462363T1 (en)
DE (1) DE602005020259D1 (en)
ES (1) ES2340938T3 (en)
WO (1) WO2005086651A2 (en)

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EP1725175B1 (en) 2010-03-31
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US20110034258A1 (en) 2011-02-10
WO2005086651A2 (en) 2005-09-22
US20050192571A1 (en) 2005-09-01
US8652178B2 (en) 2014-02-18
EP1725175A4 (en) 2008-05-21
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JP2007523725A (en) 2007-08-23
JP4498413B2 (en) 2010-07-07

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