WO2004026103A3 - Unilateral fixator - Google Patents

Unilateral fixator Download PDF

Info

Publication number
WO2004026103A3
WO2004026103A3 PCT/US2003/029435 US0329435W WO2004026103A3 WO 2004026103 A3 WO2004026103 A3 WO 2004026103A3 US 0329435 W US0329435 W US 0329435W WO 2004026103 A3 WO2004026103 A3 WO 2004026103A3
Authority
WO
WIPO (PCT)
Prior art keywords
gear reduction
strut assembly
compound movable
fixator
strut
Prior art date
Application number
PCT/US2003/029435
Other languages
French (fr)
Other versions
WO2004026103A2 (en
Inventor
Michael W Mullaney
Original Assignee
Visionmed Llc
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 Visionmed Llc filed Critical Visionmed Llc
Priority to AU2003272557A priority Critical patent/AU2003272557B2/en
Priority to CA002499373A priority patent/CA2499373A1/en
Priority to EP03754744A priority patent/EP1549235A4/en
Priority to JP2004538201A priority patent/JP4490821B2/en
Publication of WO2004026103A2 publication Critical patent/WO2004026103A2/en
Publication of WO2004026103A3 publication Critical patent/WO2004026103A3/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
    • A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
    • A61B17/64—Devices extending alongside the bones to be positioned
    • A61B17/6458—Devices extending alongside the bones to be positioned with pin-clamps fixed at ends of connecting element
    • 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
    • A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
    • A61B17/66—Alignment, compression or distraction mechanisms
    • 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
    • A61B2017/564—Methods for bone or joint treatment
    • 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
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/376—Surgical systems with images on a monitor during operation using X-rays, e.g. fluoroscopy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/10—Computer-aided planning, simulation or modelling of surgical operations

Abstract

A unilateral external fixator device (300) that allows for gross manipulation and fine adjustment of deformities in six degrees of freedom. The device (300) may comprise a strut assembly and two compound movable joints, one at each end of the strut assembly (150, 160). One compound movable joint (110) may comprise two revolute joints (302, 304), each containing a gear reduction mechanism (401) and may rotate about the strut (150). The second compound movable joint (120) may contain two revolute joints (306, 308), each containing a gear reduction mechanism (401), and may move along the length of the strut assembly (150, 160). The gear reduction mechanisms (401) may comprise helical spline assemblies (420, 440, 460, 465) that allow for gross and fine adjustment of the fixator (300).
PCT/US2003/029435 2002-09-17 2003-09-17 Unilateral fixator WO2004026103A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2003272557A AU2003272557B2 (en) 2002-09-17 2003-09-17 Unilateral fixator
CA002499373A CA2499373A1 (en) 2002-09-17 2003-09-17 Unilateral fixator
EP03754744A EP1549235A4 (en) 2002-09-17 2003-09-17 Unilateral fixator
JP2004538201A JP4490821B2 (en) 2002-09-17 2003-09-17 Unilateral bone anchor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US41129102P 2002-09-17 2002-09-17
US60/411,291 2002-09-17
US42643902P 2002-11-14 2002-11-14
US60/426,439 2002-11-14

Publications (2)

Publication Number Publication Date
WO2004026103A2 WO2004026103A2 (en) 2004-04-01
WO2004026103A3 true WO2004026103A3 (en) 2005-02-03

Family

ID=32033538

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/029435 WO2004026103A2 (en) 2002-09-17 2003-09-17 Unilateral fixator

Country Status (6)

Country Link
US (2) US7282052B2 (en)
EP (1) EP1549235A4 (en)
JP (2) JP4490821B2 (en)
AU (1) AU2003272557B2 (en)
CA (1) CA2499373A1 (en)
WO (1) WO2004026103A2 (en)

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JP2010142647A (en) 2010-07-01
JP2006507041A (en) 2006-03-02
US20070282338A1 (en) 2007-12-06
EP1549235A2 (en) 2005-07-06
US7282052B2 (en) 2007-10-16
US20040059331A1 (en) 2004-03-25
AU2003272557A1 (en) 2004-04-08
US8388619B2 (en) 2013-03-05
EP1549235A4 (en) 2010-05-05
JP4945791B2 (en) 2012-06-06
CA2499373A1 (en) 2004-04-01
JP4490821B2 (en) 2010-06-30
AU2003272557B2 (en) 2008-12-18

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