Patent ID: 9713533
Date: 2017-07-25
CPC Classifications: A61F

Claim:
1. A glenoid implant, comprising: a body having a pear-shaped outline including an articular surface and a scapula-engaging surface opposite from the articular surface, the body at least partially formed from a polyethylene material, the scapula-engaging surface including a plurality of teeth extending therefrom and arranged in an array of orthogonally disposed rows; an internally-threaded insert secured within a blind hole located in the body at a central portion of the scapula-engaging surface, the insert secured to said blind bore by mechanical fasteners or an adhesive; a first fixation peg extending from the scapula-engaging surface and including a radially-extending flange; a second fixation peg extending from the scapula-engaging surface and including a radially-extending flange; and a third fixation peg configured to extend from the central portion of the scapula-engaging surface and threadably connect to the insert, the third fixation peg including a porous titanium material and being disposed between the first and second fixation pegs, such that the first, second and third fixation pegs define a substantially linear configuration, wherein the third fixation peg includes a stepped outer surface including a first portion, a second portion, a third portion, and a fourth portion, the first portion, the second portion, and the third portion each being cylindrical and having a diameter that differs from one another, the fourth portion having a non-cylindrical shape sized to receive a drive tool, wherein the first portion is connected to the second portion by a first tapered portion, and the second portion is connected to the third portion by a second tapered portion, wherein at least a portion of the body is a patient-specific surface configured to mirror and conform to a surface of a glenoid cavity of a patient.