Patent ID: 8828007

Claim:
A bone anchor extension, comprising: an outer tube having proximal and distal ends with a lumen extending therebetween, the distal end of the outer tube being configured to flex radially outward to engage a bone anchor; an inner tube at least partially disposed within the lumen in the outer tube, the inner tube having proximal and distal ends with a lumen extending therebetween; and a locking mechanism pivotally coupled to the outer tube at a first pivot point and pivotally coupled to the inner tube at a second pivot point, the second pivot point being distal of the first pivot point, the locking mechanism having a distal portion that is recessed with respect to the outer tube, and the locking mechanism being configured to advance the inner tube distally relative to the outer tube to engage a hone anchor between the distal ends of the outer and inner tubes.