Patent ID: 9301850
Filing Date: 2016-04-05
CPC Classification: A61F

Claim Text:
1. An expandable prosthetic implant for engagement between vertebrae, comprising: an inner member having a hollow interior portion and an external portion, the inner member comprising a longitudinal groove extending along a length of the inner member; a first endplate configured to engage a first vertebral body connected to the inner member; an outer member having a hollow interior portion configured to coaxially receive the inner member therein, wherein the inner and outer members are moveable relative to each other along a longitudinal axis from a first position to a second position; a pin having a first end and a second end, the pin extending through the outer member, and the second end configured to engage the groove in the inner member when the inner and outer members are in the first position and the second end does not engage the groove in the inner member when the inner and outer members are in the second position; a gear member positioned coaxial to the inner member and outer member and axially fixed to the outer member; and a second endplate configured to engage a second vertebral body connected to the outer member.