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Photographs illustrate the second-generation Arrow® prosthesis: (A) The metal back is designed with a quadrangular central quill and an anterior plate. The component is set with two glenoid screws (15° divergent) and an accessory AP screw against shear forces. The glenosphere is impacted and screwed on the metal back. (B) The humeral polyethylene is notched at the medial side. The component is impacted and screwed on the stem.
