Patent ID: 7947046
Filing Date: 2011-05-24
Classification: A61B

Abstract:
1. A surgical instrument assembly, comprising: at least one anchor including a bone engaging portion and a proximal receiving portion; an extender including an outer member and an inner member within a bore of said outer member, said inner and outer members being elongated and extending along a longitudinal axis, said extender further comprising a reduction assembly including: said outer member includes a port allowing visualization therethrough and said inner member includes indicia viewable through said port to provide an indication of an axial position of said inner member relative to said outer member, wherein said outer member includes a proximal hub portion and a tubular body portion extending distally from said proximal hub portion; said actuation member includes a distal sleeve portion, a proximal engaging portion, and a circumferential flange therebetween projecting radially outwardly, wherein said distal sleeve portion is received in said bore of said outer member in said proximal hub portion; and said reduction assembly includes a first bearing assembly between said outer member and a distal side of said flange and a second bearing assembly between said outer member and a proximal side of said flange.