Expandable spinal devices and method of insertion

Details Expandable spinal devices and method of insertion Expandable spinal devices and method of insertion

2006-03-31

2010-06-08

Barrett, Thomas C (Department: 3775)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

C606S279000

Reexamination Certificate

active

07731751

ABSTRACT:
A device for insertion into a spinal (intervertebral or intravertebral) space is expandable from a first circumference to a second circumference through axial compression of segments of the device, particularly once the device has been properly situated within a vertebral space. The interbody/intravertebral body device is characterized by a plurality of axially stacked, individual segments that are provided on a central insertion and deployment rod. Each segment includes a central plate or body to which are pivotally attached plate or leaf structures. Pivoting of the structures provides a collapsed or unexpanded position of the first circumference and an open or expanded position of the second circumference.

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