WO2009079329A3 - Dynamic bone fixation element and method of using the same - Google Patents

Dynamic bone fixation element and method of using the same Download PDF

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Publication number
WO2009079329A3
WO2009079329A3 PCT/US2008/086390 US2008086390W WO2009079329A3 WO 2009079329 A3 WO2009079329 A3 WO 2009079329A3 US 2008086390 W US2008086390 W US 2008086390W WO 2009079329 A3 WO2009079329 A3 WO 2009079329A3
Authority
WO
WIPO (PCT)
Prior art keywords
bone
lumen
engaging component
shaft portion
engaging
Prior art date
Application number
PCT/US2008/086390
Other languages
French (fr)
Other versions
WO2009079329A2 (en
Inventor
Andreas Appenzeller
Robert Frigg
Beat Lechmann
Cyril Voisard
Silas Zurschmiede
Urs Hulliger
Original Assignee
Synthes Usa
Synthes Gmbh
Andreas Appenzeller
Robert Frigg
Beat Lechmann
Cyril Voisard
Silas Zurschmiede
Urs Hulliger
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 Synthes Usa, Synthes Gmbh, Andreas Appenzeller, Robert Frigg, Beat Lechmann, Cyril Voisard, Silas Zurschmiede, Urs Hulliger filed Critical Synthes Usa
Priority to CA2708808A priority Critical patent/CA2708808A1/en
Priority to AU2008338673A priority patent/AU2008338673A1/en
Priority to CN200880126947.XA priority patent/CN102137627B/en
Priority to BRPI0821052-7A priority patent/BRPI0821052A2/en
Priority to JP2010539636A priority patent/JP5468014B2/en
Priority to EP08861154.6A priority patent/EP2231043B1/en
Publication of WO2009079329A2 publication Critical patent/WO2009079329A2/en
Publication of WO2009079329A3 publication Critical patent/WO2009079329A3/en

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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
    • 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
    • A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
    • A61B17/8014—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones the extension or compression force being caused by interaction of the plate hole and the screws
    • 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
    • A61B17/686—Plugs, i.e. elements forming interface between bone hole and implant or fastener, e.g. screw
    • A—HUMAN NECESSITIES
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    • 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
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A—HUMAN NECESSITIES
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    • 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
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    • A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
    • A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
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    • 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
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    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
    • A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
    • A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
    • A—HUMAN NECESSITIES
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    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
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    • A61B17/8605—Heads, i.e. proximal ends projecting from bone
    • A—HUMAN NECESSITIES
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    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
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    • A61B17/8605—Heads, i.e. proximal ends projecting from bone
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    • A—HUMAN NECESSITIES
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    • 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
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    • A61B17/8615—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the central region of the screw head
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    • A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
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    • A61B17/866—Material or manufacture
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    • 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
    • A61B17/8685—Pins or screws or threaded wires; nuts therefor comprising multiple separate parts
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    • A61B17/8875—Screwdrivers, spanners or wrenches
    • A61B17/8877—Screwdrivers, spanners or wrenches characterised by the cross-section of the driver bit
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    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
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    • A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
    • A61B17/7034—Screws or hooks with U-shaped head or back through which longitudinal rods pass characterised by a lateral opening
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    • A61B2017/00831—Material properties
    • A61B2017/00867—Material properties shape memory effect

Abstract

The present invention relates to dynamic bone fixation elements and a surgical method to stabilize bone or bone fragments. The dynamic bone fixation elements preferably include a bone engaging component and a load carrier engaging component. The bone engaging component preferably includes a plurality of threads for engaging a patient's bone and a lumen. The load carrier engaging component preferably includes a head portion for engaging a load carrier (e.g., bone plate) and a shaft portion. The shaft portion preferably at least partially extends into the lumen. Preferably at least a portion of an outer surface of the shaft portion is spaced away from at least a portion of an inner surface of the lumen via a gap so that the head portion can move with respect to the bone engaging component. The distal end of the shaft portion is preferably coupled to the lumen.
PCT/US2008/086390 2007-12-17 2008-12-11 Dynamic bone fixation element and method of using the same WO2009079329A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA2708808A CA2708808A1 (en) 2007-12-17 2008-12-11 Dynamic bone fixation element and method of using the same
AU2008338673A AU2008338673A1 (en) 2007-12-17 2008-12-11 Dynamic bone fixation element and method of using the same
CN200880126947.XA CN102137627B (en) 2007-12-17 2008-12-11 Dynamic bone fixation element and method of using the same
BRPI0821052-7A BRPI0821052A2 (en) 2007-12-17 2008-12-11 Dynamic bone fixation element and method for internally securing a load support
JP2010539636A JP5468014B2 (en) 2007-12-17 2008-12-11 Dynamic bone anchoring element and method of use thereof
EP08861154.6A EP2231043B1 (en) 2007-12-17 2008-12-11 Dynamic bone fixation element

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US1430807P 2007-12-17 2007-12-17
US61/014,308 2007-12-17
US4182408P 2008-04-02 2008-04-02
US61/041,824 2008-04-02
US7539608P 2008-06-25 2008-06-25
US61/075,396 2008-06-25

Publications (2)

Publication Number Publication Date
WO2009079329A2 WO2009079329A2 (en) 2009-06-25
WO2009079329A3 true WO2009079329A3 (en) 2009-08-06

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Application Number Title Priority Date Filing Date
PCT/US2008/086390 WO2009079329A2 (en) 2007-12-17 2008-12-11 Dynamic bone fixation element and method of using the same

Country Status (10)

Country Link
US (4) US8114141B2 (en)
EP (2) EP2231043B1 (en)
JP (1) JP5468014B2 (en)
KR (1) KR101570213B1 (en)
CN (2) CN102137627B (en)
AU (1) AU2008338673A1 (en)
CA (1) CA2708808A1 (en)
ES (1) ES2424040T3 (en)
PL (1) PL2476386T3 (en)
WO (1) WO2009079329A2 (en)

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US7951198B2 (en) * 2005-05-10 2011-05-31 Acumed Llc Bone connector with pivotable joint
US8469288B1 (en) 2007-06-12 2013-06-25 Hunter Industries, Inc. Reversing mechanism for an irrigation sprinkler with a reversing planetary gear drive
KR101570213B1 (en) 2007-12-17 2015-11-18 신세스 게엠바하 Dynamic bone fixation element and method of using the same
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US20160317204A1 (en) 2016-11-03
US8114141B2 (en) 2012-02-14

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