WO2005081863A3 - Method for improving pedicle screw placement in spinal surgery - Google Patents

Method for improving pedicle screw placement in spinal surgery Download PDF

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Publication number
WO2005081863A3
WO2005081863A3 PCT/US2005/005194 US2005005194W WO2005081863A3 WO 2005081863 A3 WO2005081863 A3 WO 2005081863A3 US 2005005194 W US2005005194 W US 2005005194W WO 2005081863 A3 WO2005081863 A3 WO 2005081863A3
Authority
WO
WIPO (PCT)
Prior art keywords
computer
pedicle
isthmus
pedicle screw
spinal surgery
Prior art date
Application number
PCT/US2005/005194
Other languages
French (fr)
Other versions
WO2005081863B1 (en
WO2005081863A2 (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 AU2005216091A priority Critical patent/AU2005216091B2/en
Priority to KR1020067019399A priority patent/KR101149094B1/en
Priority to CN2005800054513A priority patent/CN1960680B/en
Priority to JP2006554229A priority patent/JP4783742B2/en
Priority to EP05713783A priority patent/EP1734878B1/en
Priority to CA2556102A priority patent/CA2556102C/en
Publication of WO2005081863A2 publication Critical patent/WO2005081863A2/en
Publication of WO2005081863A3 publication Critical patent/WO2005081863A3/en
Publication of WO2005081863B1 publication Critical patent/WO2005081863B1/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1662Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
    • A61B17/1671Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17Guides or aligning means for drills, mills, pins or wires
    • A61B17/1739Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
    • A61B17/1757Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the spine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/88Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1604Chisels; Rongeurs; Punches; Stamps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1613Component parts
    • A61B17/1615Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, 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
    • A61B90/36Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37Surgical systems with images on a monitor during operation
    • A61B2090/376Surgical systems with images on a monitor during operation using X-rays, e.g. fluoroscopy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/10Computer-aided planning, simulation or modelling of surgical operations

Abstract

A method of determining the size and placement of screws in pedicles during surgery in a selected spinal area, comprising using a computer to generate a true three-dimensional image of the bony spine in the selected spinal area; using a computer to hollow out the vertebra in the three-dimensional image, using a computer to determine the narrowest cross section (isthmus) within each pedicle; using a computer to generate a straight line starting at the center of the isthmus and extending in opposite directions so that it is positioned concentrically within the pedicle without touching the walls thereof, using a computer to expand the line concentrically and radially to a cross sectional size that is less than that of the isthmus, and using a computer to calculate the ideal pedicle screw diameter, length and trajectory based on the dimensions and trajectory of the cylinder generated for each pedicle.
PCT/US2005/005194 2004-02-20 2005-02-18 Method for improving pedicle screw placement in spinal surgery WO2005081863A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2005216091A AU2005216091B2 (en) 2004-02-20 2005-02-18 Method for improving pedicle screw placement in spinal surgery
KR1020067019399A KR101149094B1 (en) 2004-02-20 2005-02-18 Method for improving pedicle screw placement
CN2005800054513A CN1960680B (en) 2004-02-20 2005-02-18 Method for determining size and placement of pedicle screw in spinal surgery
JP2006554229A JP4783742B2 (en) 2004-02-20 2005-02-18 Method for improving pedicle screw placement in spinal surgery
EP05713783A EP1734878B1 (en) 2004-02-20 2005-02-18 Method for determining the size of pedicle screws
CA2556102A CA2556102C (en) 2004-02-20 2005-02-18 Method for improving pedicle screw placement in spinal surgery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54590304P 2004-02-20 2004-02-20
US60/545,903 2004-02-20

Publications (3)

Publication Number Publication Date
WO2005081863A2 WO2005081863A2 (en) 2005-09-09
WO2005081863A3 true WO2005081863A3 (en) 2006-08-31
WO2005081863B1 WO2005081863B1 (en) 2006-11-16

Family

ID=34910737

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/005194 WO2005081863A2 (en) 2004-02-20 2005-02-18 Method for improving pedicle screw placement in spinal surgery

Country Status (8)

Country Link
US (2) US7235076B2 (en)
EP (1) EP1734878B1 (en)
JP (2) JP4783742B2 (en)
KR (1) KR101149094B1 (en)
CN (2) CN1960680B (en)
AU (1) AU2005216091B2 (en)
CA (2) CA2556102C (en)
WO (1) WO2005081863A2 (en)

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