Patent ID: 6849093

Claim:
An implant cap movable between an insertion position for insertion into an expandable spinal implant and a deployed position for expanding the implant, the implant having upper and lower portions adapted to move apart from one another to contact adjacent upper and lower vertebral bodies, respectively, and an end with an opening configured to cooperatively receive at least a portion of said cap, said cap comprising: a head having a top surface and a bottom surface opposite said top surface, said heed being configured to cooperatively engage the end of the implant to at least in part cover the opening in the end of the implant; and a stem projecting from said bottom surface of said head, said stem having a distal end, opposed sides having a width therebetween, and upper and lower surfaces having a height therebetween, the width of said stem being greater than the height of said stem proximate said distal end of said stem when said cap is in the insertion position, said opposed sides being configured to move the upper and lower portions of the implant apart from one another when said cap is rotated from the insertion position to the deployed position.