WO2007087381A3 - Methods for determining pedicle base circumference, pedicle isthmus and center of the pedicle isthmus for screw placement - Google Patents

Methods for determining pedicle base circumference, pedicle isthmus and center of the pedicle isthmus for screw placement Download PDF

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Publication number
WO2007087381A3
WO2007087381A3 PCT/US2007/002001 US2007002001W WO2007087381A3 WO 2007087381 A3 WO2007087381 A3 WO 2007087381A3 US 2007002001 W US2007002001 W US 2007002001W WO 2007087381 A3 WO2007087381 A3 WO 2007087381A3
Authority
WO
WIPO (PCT)
Prior art keywords
pedicle
lines
isthmus
vertebral body
base circumference
Prior art date
Application number
PCT/US2007/002001
Other languages
French (fr)
Other versions
WO2007087381A2 (en
Inventor
Hector O Pacheco
Original Assignee
Hector O Pacheco
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 Hector O Pacheco filed Critical Hector O Pacheco
Priority to CA2640075A priority Critical patent/CA2640075C/en
Priority to AU2007208271A priority patent/AU2007208271B2/en
Priority to JP2008552400A priority patent/JP4892005B2/en
Priority to CN2007800033446A priority patent/CN101374470B/en
Priority to EP07717000A priority patent/EP1976441B1/en
Priority to KR1020087020742A priority patent/KR101286362B1/en
Publication of WO2007087381A2 publication Critical patent/WO2007087381A2/en
Publication of WO2007087381A3 publication Critical patent/WO2007087381A3/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
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
    • A61B17/1757—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the spine
    • 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
    • A61B90/06—Measuring instruments not otherwise provided for
    • A61B2090/061—Measuring instruments not otherwise provided for for measuring dimensions, e.g. length
    • 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 method of determining the pedicle base circumference and the pedicle isthmus to facilitate screw placement in a pedicle of a vertebral body during spinal surgery, comprising providing a series of first lines tangential to the outer cortical surface of the vertebral body in and near the pedicle on a transverse section from a three-dimensional image of the vertebral body, providing a series of second lines extending through the vertebral body in and near the pedicle thereof in perpendicular relation to the series of first lines, identifying the pedicle base circumference as the areas of the outer cortical surface where adjacent second lines are at the greatest angle with respect to one another, and identifying the pedicle isthmus as the areas of the outer cortical surface where the second lines that are opposed to each other are closest to being parallel to one another. The center of the pedicle isthmus is identified from a cross- section thereof as the intersection of two lines derived from the centers of infinitesimal orthogonal second perpendicular lines from the outer cortical surface.
PCT/US2007/002001 2006-01-24 2007-01-24 Methods for determining pedicle base circumference, pedicle isthmus and center of the pedicle isthmus for screw placement WO2007087381A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA2640075A CA2640075C (en) 2006-01-24 2007-01-24 Methods for determining pedicle base circumference, pedicle isthmus and center of the pedicle isthmus for pedicle screw or instrument placement in spinal surgery
AU2007208271A AU2007208271B2 (en) 2006-01-24 2007-01-24 Methods for determining pedicle base circumference, pedicle isthmus and center of the pedicle isthmus for screw placement
JP2008552400A JP4892005B2 (en) 2006-01-24 2007-01-24 Method for determining pedicle circumference, pedicle isthmus, and pedicle isthmus center for the installation of pedicle screws or pedicle internal fixation devices in spinal surgery
CN2007800033446A CN101374470B (en) 2006-01-24 2007-01-24 Methods for determining pedicle base circumference, pedicle isthmus and center of the pedicle isthmus
EP07717000A EP1976441B1 (en) 2006-01-24 2007-01-24 Methods for determining pedicle base circumference, pedicle isthmus and center of the pedicle isthmus for pedicle screw or instrument placement in spinal surgery
KR1020087020742A KR101286362B1 (en) 2006-01-24 2007-01-24 Methods for determining the pedicle base circumference and the pedicle isthmus for enabling optimum screw or instrument placement in a pedicle of a vertebral body during spinal surgery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US76136506P 2006-01-24 2006-01-24
US60/761,365 2006-01-24

Publications (2)

Publication Number Publication Date
WO2007087381A2 WO2007087381A2 (en) 2007-08-02
WO2007087381A3 true WO2007087381A3 (en) 2007-12-21

Family

ID=38309839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/002001 WO2007087381A2 (en) 2006-01-24 2007-01-24 Methods for determining pedicle base circumference, pedicle isthmus and center of the pedicle isthmus for screw placement

Country Status (8)

Country Link
US (1) US8277461B2 (en)
EP (1) EP1976441B1 (en)
JP (1) JP4892005B2 (en)
KR (1) KR101286362B1 (en)
CN (1) CN101374470B (en)
AU (1) AU2007208271B2 (en)
CA (1) CA2640075C (en)
WO (1) WO2007087381A2 (en)

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US9642633B2 (en) 2010-06-29 2017-05-09 Mighty Oak Medical, Inc. Patient-matched apparatus and methods for performing surgical procedures
US11039889B2 (en) 2010-06-29 2021-06-22 Mighty Oak Medical, Inc. Patient-matched apparatus and methods for performing surgical procedures
US11376073B2 (en) 2010-06-29 2022-07-05 Mighty Oak Medical Inc. Patient-matched apparatus and methods for performing surgical procedures
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USD745672S1 (en) 2012-09-18 2015-12-15 George Frey Thoracic surgical guide
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US20170209188A1 (en) * 2016-01-26 2017-07-27 Gerald Schell Rodless bivertebral transpedicular fixation with interbody fusion
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Also Published As

Publication number Publication date
WO2007087381A2 (en) 2007-08-02
JP4892005B2 (en) 2012-03-07
KR20080098621A (en) 2008-11-11
EP1976441A4 (en) 2012-09-12
CN101374470B (en) 2011-01-05
EP1976441B1 (en) 2013-03-13
JP2009524488A (en) 2009-07-02
EP1976441A2 (en) 2008-10-08
US20070232960A1 (en) 2007-10-04
KR101286362B1 (en) 2013-07-15
US8277461B2 (en) 2012-10-02
CA2640075C (en) 2012-07-17
CA2640075A1 (en) 2007-08-02
AU2007208271B2 (en) 2012-04-26
CN101374470A (en) 2009-02-25
AU2007208271A1 (en) 2007-08-02

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