Patent ID: 6942666
Filing Date: 2005-09-13
Classification: A61B,A61F

Abstract:
1. A bone anchor, comprising a radially expandable sheath having a first passageway which extends axially through said sheath from a proximal end thereof to a distal end thereof; a washer having a second passageway which extends axially through said washer from a proximal end thereof to a distal end thereof, said proximal end of said washer being positionable in abutment with said distal end of said sheath such that said first and second passageways are substantially aligned, said sheath and said washer being sized and shaped such that no portion of said sheath extends into said second passageway of said washer when said sheath is in abutment with said washer; and expanding means for radially expanding said sheath without expanding said washer, said expanding means being insertable into said first passageway of said sheath from said proximal end thereof toward said distal end thereof.