CA2237240A1 - Spinal fixation plate - Google Patents

Spinal fixation plate

Info

Publication number
CA2237240A1
CA2237240A1 CA002237240A CA2237240A CA2237240A1 CA 2237240 A1 CA2237240 A1 CA 2237240A1 CA 002237240 A CA002237240 A CA 002237240A CA 2237240 A CA2237240 A CA 2237240A CA 2237240 A1 CA2237240 A1 CA 2237240A1
Authority
CA
Canada
Prior art keywords
fixation plate
spinal fixation
bone fixation
vertebrae
allowing movement
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002237240A
Other languages
French (fr)
Other versions
CA2237240C (en
Inventor
Marc Richelsoph
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aesculap Implant Systems LLC
Original Assignee
Spinal Innovations
Marc Richelsoph
Spinal Innovations, Inc.
Aesculap Ii, Inc.
Aesculap Implant Systems, Inc.
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 Spinal Innovations, Marc Richelsoph, Spinal Innovations, Inc., Aesculap Ii, Inc., Aesculap Implant Systems, Inc. filed Critical Spinal Innovations
Publication of CA2237240A1 publication Critical patent/CA2237240A1/en
Application granted granted Critical
Publication of CA2237240C publication Critical patent/CA2237240C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8033—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers
    • A61B17/8047—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates having indirect contact with screw heads, or having contact with screw heads maintained with the aid of additional components, e.g. nuts, wedges or head covers wherein the additional element surrounds the screw head in the plate hole
    • 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
    • A61B17/7059—Cortical plates
    • 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
    • A61B17/6491—Devices extending alongside the bones to be positioned allowing small-scale motion of bone ends
    • 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
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor
    • A61B17/8625—Shanks, i.e. parts contacting bone tissue
    • A61B17/863—Shanks, i.e. parts contacting bone tissue with thread interrupted or changing its form along shank, other than constant taper

Abstract

A bone fixation plate assembly (10, 210, 210') for fixation of the spine includes a mechanism (26) for allowing movement between adjacent vertebrae (18) while maintaining engagement of the bone fixation plate (12, 212, 212') with the vertebrae (18).
CA002237240A 1997-05-09 1998-05-08 Spinal fixation plate Expired - Fee Related CA2237240C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/854,021 US6017345A (en) 1997-05-09 1997-05-09 Spinal fixation plate
US08/854,021 1997-05-09

Publications (2)

Publication Number Publication Date
CA2237240A1 true CA2237240A1 (en) 1998-11-09
CA2237240C CA2237240C (en) 2007-08-14

Family

ID=25317525

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002237240A Expired - Fee Related CA2237240C (en) 1997-05-09 1998-05-08 Spinal fixation plate

Country Status (6)

Country Link
US (2) US6017345A (en)
EP (1) EP0897697B1 (en)
JP (3) JP4488539B2 (en)
CA (1) CA2237240C (en)
DE (1) DE69841087D1 (en)
ES (1) ES2331938T3 (en)

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CA2237240C (en) 2007-08-14
EP0897697B1 (en) 2009-08-26

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