Methods and apparatus for insertion of vertebral body distraction and fusion devices
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United States of America Patent
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Jan 28, 2014
Grant Date -
Jun 21, 2012
app pub date -
Jul 22, 2011
filing date -
Dec 31, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An introducer can be used to implant a distractible intervertebral body fusion device into a patient's disc space and expand the device. Introducer includes a body 100 including a handle and a sleeve. Handle includes a slot for containing an actuation tool. A drive shaft and a securing shaft can extend through sleeve between a proximal end of the sleeve adjacent slot and a distal end of the device. At proximal end, actuation tool can connect to drive shaft where drive shaft extends through an opening in body. Drive shaft can extend out of an opening at distal end to engage a worm gear, drive shaft, or other actuation member of distractible device. Securing shaft can engage the device to stabilize the device during distraction. Activation of the actuation member rotates the drive shaft, which expands the distractible device.
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