Patent ID: 9675470
Date: 2017-06-13
CPC Classifications: A61F

Claim:
1. An expandable spinal prosthesis, comprising: a first surface and a second surface opposite the first surface, and a prosthesis height defined therebetween; a first wall extending between the first and second surfaces; a second wall extending between the first and second surfaces, the second wall located opposite the first wall; a first sidewall extending from the first wall to the second wall, wherein the first sidewall defines an opening therethrough; and a second sidewall extending from the first wall to the second wall, wherein the first wall, first sidewall and second sidewall form a unitary first portion; wherein at least a portion of the second wall forms a second portion movable relative to the first portion to extend an overall width of the prosthesis body; and wherein the second portion includes a first plurality of gear teeth and a second plurality of gear teeth positioned out-of-phase with respect to the first plurality of gear teeth, and wherein the first and second pluralities of gear teeth are accessible through the opening in the first sidewall.