WO2006016371A3 - Minimally invasive spinal fusion - Google Patents

Minimally invasive spinal fusion Download PDF

Info

Publication number
WO2006016371A3
WO2006016371A3 PCT/IL2005/000875 IL2005000875W WO2006016371A3 WO 2006016371 A3 WO2006016371 A3 WO 2006016371A3 IL 2005000875 W IL2005000875 W IL 2005000875W WO 2006016371 A3 WO2006016371 A3 WO 2006016371A3
Authority
WO
WIPO (PCT)
Prior art keywords
guide tube
spinal fusion
patient
shape memory
transition temperature
Prior art date
Application number
PCT/IL2005/000875
Other languages
French (fr)
Other versions
WO2006016371A2 (en
Inventor
Moshe Shoham
Original Assignee
Mazor Surgical Tech Ltd
Moshe Shoham
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 Mazor Surgical Tech Ltd, Moshe Shoham filed Critical Mazor Surgical Tech Ltd
Publication of WO2006016371A2 publication Critical patent/WO2006016371A2/en
Publication of WO2006016371A3 publication Critical patent/WO2006016371A3/en
Priority to US11/703,923 priority Critical patent/US9655649B2/en

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
    • A61B17/7002—Longitudinal elements, e.g. rods
    • 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
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A61B17/7083—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements
    • 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
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A61B17/7083—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements
    • A61B17/7089—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements wherein insertion is along an arcuate path
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00867—Material properties shape memory effect

Abstract

A system and method for performing spinal fusion using vertebral connecting rods constructed of a shape memory material, such as shape memory alloy. The connecting rod is cooled below its phase transition temperature, which is chosen to be just below body temperature, and is inserted through a curved guide tube previously inserted into the back of the patient. The guide tube is located so as to deliver the connecting rod at its desired location between the preinserted pedicle screw heads. The rod, being in its flexible state below the transition temperature, negotiates the curve and exits the guide tube in a straight form and parallel to the patient's spine. As it heats up to body temperature, it regains its original straight shape and its original rigidity, and is ready for connecting its associated vertebrae to each other.
PCT/IL2005/000875 2004-08-13 2005-08-12 Minimally invasive spinal fusion WO2006016371A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/703,923 US9655649B2 (en) 2004-08-13 2007-02-07 Spinal fusion using rods of shape memory material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60111004P 2004-08-13 2004-08-13
US60/601,110 2004-08-13

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/703,923 Continuation-In-Part US9655649B2 (en) 2004-08-13 2007-02-07 Spinal fusion using rods of shape memory material

Publications (2)

Publication Number Publication Date
WO2006016371A2 WO2006016371A2 (en) 2006-02-16
WO2006016371A3 true WO2006016371A3 (en) 2006-05-04

Family

ID=35839663

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2005/000875 WO2006016371A2 (en) 2004-08-13 2005-08-12 Minimally invasive spinal fusion

Country Status (2)

Country Link
US (1) US9655649B2 (en)
WO (1) WO2006016371A2 (en)

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US8267969B2 (en) 2004-10-20 2012-09-18 Exactech, Inc. Screw systems and methods for use in stabilization of bone structures
US8523865B2 (en) 2005-07-22 2013-09-03 Exactech, Inc. Tissue splitter

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US8267969B2 (en) 2004-10-20 2012-09-18 Exactech, Inc. Screw systems and methods for use in stabilization of bone structures
US8551142B2 (en) 2004-10-20 2013-10-08 Exactech, Inc. Methods for stabilization of bone structures
US8523865B2 (en) 2005-07-22 2013-09-03 Exactech, Inc. Tissue splitter
US8096996B2 (en) 2007-03-20 2012-01-17 Exactech, Inc. Rod reducer

Also Published As

Publication number Publication date
US9655649B2 (en) 2017-05-23
US20070162007A1 (en) 2007-07-12
WO2006016371A2 (en) 2006-02-16

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