CA2407009A1 - Device for the articulated connection of two bodies - Google Patents

Device for the articulated connection of two bodies Download PDF

Info

Publication number
CA2407009A1
CA2407009A1 CA002407009A CA2407009A CA2407009A1 CA 2407009 A1 CA2407009 A1 CA 2407009A1 CA 002407009 A CA002407009 A CA 002407009A CA 2407009 A CA2407009 A CA 2407009A CA 2407009 A1 CA2407009 A1 CA 2407009A1
Authority
CA
Canada
Prior art keywords
tension member
longitudinal axis
clamping
cavity
clamping member
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
CA002407009A
Other languages
French (fr)
Other versions
CA2407009C (en
Inventor
Fridolin Schlapfer
Martin Hess
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.)
Synthes USA LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2407009A1 publication Critical patent/CA2407009A1/en
Application granted granted Critical
Publication of CA2407009C publication Critical patent/CA2407009C/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
    • A61B17/70—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
    • A61B17/7041—Screws or hooks combined with longitudinal elements which do not contact vertebrae with single longitudinal rod offset laterally from single row of screws or hooks
    • 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
    • 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
    • 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
    • A61B17/7058—Plates mounted on top of bone anchor heads or shoulders
    • 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
    • A61B17/8038—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 the additional component being inserted in the screw head
    • 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
    • A61B17/60—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
    • A61B17/6466—Devices extending alongside the bones to be positioned with pin-clamps movable along a solid connecting rod

Abstract

A device is provided for the articulated connection of two bodies comprising a first body, a clamping member, at least one tension member, and a second body. The first body comprises a cavity extending coaxially along a central axis. The clamping included a longitudinal axis and a coaxial bore with at least one aperture, the clamping member being complementary to the cavity and resiliently deformable in a direction orthogonal to the longitudinal axis. The at least one tension member is insertable coaxially with respect to the longitudinal axis into the bore. An axial displacement of the at least one tension member within the corresponding aperture may cause the clamping member to be expanded to contact the cavity wall and be releasably locked within the cavity. The second body is releasably connectable to the first body by means of the at least one tension member and the clamping member. A driving member is provided for displacing the at least one tension member axially relative to the corresponding aperture, wherein the driving member is connected to both the clamping member and the at least one tension member in positive axial engagement while rotatable about the longitudinal axis.
CA002407009A 2000-04-19 2000-04-19 Device for the articulated connection of two bodies Expired - Fee Related CA2407009C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2000/000224 WO2001078613A1 (en) 2000-04-19 2000-04-19 Device for the articulated connection of two bodies

Publications (2)

Publication Number Publication Date
CA2407009A1 true CA2407009A1 (en) 2002-10-18
CA2407009C CA2407009C (en) 2007-01-23

Family

ID=4358067

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002407009A Expired - Fee Related CA2407009C (en) 2000-04-19 2000-04-19 Device for the articulated connection of two bodies

Country Status (9)

Country Link
US (1) US6869432B2 (en)
EP (1) EP1274354B8 (en)
JP (1) JP4485111B2 (en)
AU (1) AU775912B2 (en)
CA (1) CA2407009C (en)
DE (1) DE50013532D1 (en)
ES (1) ES2273674T3 (en)
HK (1) HK1048749A1 (en)
WO (1) WO2001078613A1 (en)

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AU775912B2 (en) 2004-08-19
WO2001078613A1 (en) 2001-10-25
US20030093077A1 (en) 2003-05-15
US6869432B2 (en) 2005-03-22
EP1274354A1 (en) 2003-01-15
DE50013532D1 (en) 2006-11-09
EP1274354B1 (en) 2006-09-27
ES2273674T3 (en) 2007-05-16
EP1274354B8 (en) 2007-04-18
CA2407009C (en) 2007-01-23
JP2003530194A (en) 2003-10-14
JP4485111B2 (en) 2010-06-16
HK1048749A1 (en) 2003-04-17
AU3652400A (en) 2001-10-30

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