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WO2007019110A3 - Raccordement a ressort et procedes d'assemblage pour dispositif vertebral - Google Patents

Raccordement a ressort et procedes d'assemblage pour dispositif vertebral Download PDF

Info

Publication number
WO2007019110A3
WO2007019110A3 PCT/US2006/029713 US2006029713W WO2007019110A3 WO 2007019110 A3 WO2007019110 A3 WO 2007019110A3 US 2006029713 W US2006029713 W US 2006029713W WO 2007019110 A3 WO2007019110 A3 WO 2007019110A3
Authority
WO
WIPO (PCT)
Prior art keywords
spring
region
resilient element
weld
structural member
Prior art date
Application number
PCT/US2006/029713
Other languages
English (en)
Other versions
WO2007019110A2 (fr
Inventor
Jens Peter Timm
Alvin Johnson
Original Assignee
Applied Spine Technologies Inc
Jens Peter Timm
Alvin Johnson
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
Priority claimed from US11/196,102 external-priority patent/US7713288B2/en
Priority claimed from US11/405,196 external-priority patent/US7699875B2/en
Application filed by Applied Spine Technologies Inc, Jens Peter Timm, Alvin Johnson filed Critical Applied Spine Technologies Inc
Publication of WO2007019110A2 publication Critical patent/WO2007019110A2/fr
Publication of WO2007019110A3 publication Critical patent/WO2007019110A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B23K15/0046—Welding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • 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, e.g. 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
    • A61B17/7004—Longitudinal elements, e.g. rods with a cross-section which varies along its length
    • A61B17/7007—Parts of the longitudinal elements, e.g. their ends, being specially adapted to fit around the screw or hook heads
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • 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, e.g. 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
    • A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
    • A61B17/7026—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form
    • A61B17/7028—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form the flexible part being a coil spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B23K15/0046—Welding
    • B23K15/0093—Welding characterised by the properties of the materials to be welded
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • 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, e.g. 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
    • A61B17/7004—Longitudinal elements, e.g. rods with a cross-section which varies along its length
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • 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, e.g. 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
    • A61B17/7011—Longitudinal element being non-straight, e.g. curved, angled or branched
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • 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, e.g. 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
    • 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 or setting implements
    • 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, e.g. 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Neurology (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

L'invention concerne des dispositifs de stabilisation vertébrale, des procédés et des systèmes qui comprennent un raccordement à ressort dans lequel un organe structurel est monté sur une fixation d'attache de la colonne vertébrale, et un élément souple est fixé à l'organe structurel le long d'une région de fixation de l'élément souple. La région de fixation est physiquement séparée d'une région active de l'élément souple. La région de fixation peut comprendre une région de soudage fabriquée au moyen du soudage d'une poutre en E à des températures allant jusqu'à 1000° F ou supérieures, la zone affectée par la chaleur et adjacente à la région de soudage étant physiquement séparée de la région active. L'élément souple peut être un ressort hélicoïdal comprenant des régions pliées adjacentes à ses spires d'extrémité (c'est-à-dire ses dernières spires), le matériau du ressort hélicoïdal s'éloignant de façon souple de la dernière spire puis s'inclinant de façon souple vers la dernière spire avant de se terminer près de la dernière spire. Un capuchon de soudage peut être configuré et dimensionné pour interagir avec l'élément souple, et l'organe structurel tel qu'un capuchon d'extrémité, de manière à positionner de façon sécurisée le capuchon d'extrémité. Le capuchon de soudage fonctionne afin d'éloigner du ressort le processus de soudage et l'énergie de soudage associée de manière à positionner le ressort de manière sûre par rapport au capuchon d'extrémité. Le capuchon de soudage fonctionne de manière à éloigner du ressort le processus de soudage et l'énergie de soudage associée, ce qui permettre d'éviter et/ou de réduire au minimum l'effet de recuit indésirable associé à la fixation / au soudage du ressort par rapport au capuchon d'extrémité. Des cannelures ou canaux d'alignement peuvent être réalisés pour aligner ou orienter le ressort par rapport aux capuchons d'extrémité ou capuchons de soudage.
PCT/US2006/029713 2005-08-03 2006-07-27 Raccordement a ressort et procedes d'assemblage pour dispositif vertebral WO2007019110A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/196,102 US7713288B2 (en) 2005-08-03 2005-08-03 Spring junction and assembly methods for spinal device
US11/196,102 2005-08-03
US11/405,196 2006-04-17
US11/405,196 US7699875B2 (en) 2006-04-17 2006-04-17 Spinal stabilization device with weld cap

Publications (2)

Publication Number Publication Date
WO2007019110A2 WO2007019110A2 (fr) 2007-02-15
WO2007019110A3 true WO2007019110A3 (fr) 2007-10-11

Family

ID=37727854

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/029713 WO2007019110A2 (fr) 2005-08-03 2006-07-27 Raccordement a ressort et procedes d'assemblage pour dispositif vertebral

Country Status (1)

Country Link
WO (1) WO2007019110A2 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6371465B1 (en) * 2000-07-10 2002-04-16 William O. Willis Coil spring assembly and mounting device with bend control
US20030078667A1 (en) * 1999-06-04 2003-04-24 Depuy Acromed, Incorporated Orthopedic implant
US20030171749A1 (en) * 2000-07-25 2003-09-11 Regis Le Couedic Semirigid linking piece for stabilizing the spine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030078667A1 (en) * 1999-06-04 2003-04-24 Depuy Acromed, Incorporated Orthopedic implant
US6371465B1 (en) * 2000-07-10 2002-04-16 William O. Willis Coil spring assembly and mounting device with bend control
US20030171749A1 (en) * 2000-07-25 2003-09-11 Regis Le Couedic Semirigid linking piece for stabilizing the spine

Also Published As

Publication number Publication date
WO2007019110A2 (fr) 2007-02-15

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