Patent ID: 8556904

Claim:
An apparatus, comprising: an anchor including a bone engaging portion and a receiver member, said receiver member having a pair of oppositely positioned branches and a receiving channel positioned between said branches, said receiving channel extending between opposite first and second sides of said receiver member; and an anchor extender engage able with said anchor, said anchor extender including: a first member having an elongate body extending between a proximal end and an opposite distal end, said elongate body having oppositely positioned first and second arms each including an engaging portion structured to engage a respective one of said branches on said first side of said receiver member; a second member positioned about said first member, said second member being movable relative to said first member between a first position and a second position and including a distal portion structured to engage with said branches on said second side of said receiver member; and wherein distal movement of said second member relative to said first member from said first position to said second position moves said engaging portions of said first and second arms into engagement with said branches on said first side of said receiver member and said distal portion of said second member along said branches on said second side of said receiver member, wherein said anchor extender includes a collar member rotatably coupled with said second member, said collar member including an alignment in structured to engage with a groove on said first member such that rotation of said collar member relative to said second member translates said second member relative to said first member.