Patent ID: 6319269
Filing Date: 2001-11-20
Classification: A61B,A61F,F16B,Y10S,Y10T

Abstract:
A fixation device assembly for engagement by an insertion tool for inserting the fixation device assembly into a bore in a member, the assembly comprising:a first member comprising a generally hollow cylinder having a plurality of engaging members, the engaging members extending substantially longitudinally in a proximal direction and being adapted to be engaged by a cam surface extending distally to cause the engaging members to move generally radially outwardly to engage the bore in response to actuation by an insertion tool; anda second member extending longitudinally through the hollow first member and having a distal head engaging a distal end of the first member and further having a proximal end having an engagement portion for receiving an axial non-rotational force applied by a non-rotational element of the insertion tool releasably exerted thereon for causing the engaging members of the first member to engage the cam surface and move generally radially outwardly into engagement with a wall of the bore;further comprising a third member having a plurality of engaging members extending oppositely to the engaging members of said first member, the engaging members of the first and third members being interdigitated, the cam surface for causing each respective engaging member to extend outwardly comprising a surface of the respective first and third members disposed opposite each respective engaging member.