Patent ID: 9439771
Filing Date: 2016-09-13
CPC Classification: A61F

Claim Text:
1. An expandable spinal prosthesis, comprising: a prosthesis body, including a first surface having a first plurality of tissue anchors and a second surface opposite the first surface, the second surface having a second plurality of tissue anchors, wherein the height of the prosthesis body is defined from said first surface to said second surface, and said height does not change; said prosthesis body defined by four walls including: said first wall, first sidewall and second sidewall forming a unitary first portion, wherein the first portion defines a first surgical instrument engagement feature and a second surgical instrument engagement feature; and at least a portion of said second wall forming a second portion, said second portion movable relative to said first portion to extend an overall width of the prosthesis body, wherein the second portion includes a plurality of gear teeth accessible through the second surgical instrument engagement feature.