Patent ID: 6679916
Filing Date: 2004-01-20
Classification: A61B,A61F

Abstract:
A shoulder prosthesis system for providing a shoulder prosthesis with improved fabrication, installation and utilization characteristics comprising, in combination;a glenoid socket fabricated of ultra high molecular weight polyethylene in a generally disk-like configuration having a diameter of about 1.260 inches, the socket having an interior face and an exterior face, the exterior face being a concave articulating face having a depth of about 0.198 inches and having a first longitudinal radius of curvature measuring about 1.100 inches and a second latitudinal radius of curvature measuring about 1.340 inches, the interior face having six equally spaced L-shaped couplers with edges extending radially outwardly around the periphery and a central hexagonal post extending perpendicularly from the center of the interior face, the exterior face being adapted to articulate with a head of a humerus of a patient; a backing plate fabricated of titanium in a generally disk-like configuration having an outer extent and an inner extent, the outer extent having a cylindrical base with a diameter measuring about 1.260 inches and having an L-shaped recess around the periphery of the outer extent, a central hexagonal bore, and four tapered bores extending through the outer extent being spaced between the L-shaped recess and the hexagonal central bore, the inner extent being formed with a projection with a male Morse taper with threads adapted to be rotatably coupled into a scapula of a patient, the L-shaped couplers of the outer extent adapted to snap couple with the L-shaped recesses of the glenoid socket together forming a prosthetic glenoid cavity adapted to articulate with the humerus; and four screws extending through the four tapered bores of the backing plate adapted to be rotatably coupled into the scapula around and parallel with the projection.