Patent ID: 8894662
Filing Date: 2014-11-25
Classification: A61B

Abstract:
1. A rod reduction instrument for adjusting a spinal rod relative to a bone anchor, the instrument comprising: a bone anchor engaging tool comprising a rod adjusting tool connectable to the bone anchor engaging tool and having a proximal end and a distal end, the rod adjusting tool being axially adjustable relative to the bone anchor engaging tool to adjust a spinal rod relative to the bone anchor, the rod adjusting tool comprising a distal component having a rod engaging surface and a proximal component connectable to and separable from the distal component, rotation of the proximal component causing the distal component to advance axially relative to the bone anchor engaging tool, wherein the distal component is generally tubular in shape and includes an external thread formed thereon and the proximal component is generally tubular in shape and includes an internal thread for engaging the external thread of the distal component and an external thread for engaging a thread formed on the bone anchor engaging tool.