Patent ID: 6053916
Filing Date: 2000-04-25
Classification: A61B,A61F

Abstract:
An implant for immobilizing a joint between opposing bone structures, said implant comprising:a cylindrical proximal section having, a first outer diameter, and a first uniform helical thread having a first pitch;a cylindrical distal section having a second smaller outer diameter and a second uniform helical thread having a second pitch which is greater than said first pitch;an intermediate section interconnecting said proximal section and said distal section;said proximal, distal and intermediate sections having a contiguous interior surface defining a hollow core;at least one of said proximal and distal sections having a plurality of openings extending radially from and in communication with said hollow core and aligned transversely to a longitudinal axis of said implant; andmeans on said proximal section for accommodating a tool to drive said implant.