Fig. 1A–C.
(A) An isometric computer rendering of the custom modular humeral implant is shown. (B) The middle images show an isometric exploded view of the humeral implant with the modular components separated: a +3-mm polyethylene cup (Delta XTENDTM, DePuy) (1), a humeral spacer which produces changes in humeral cup thickness in increments of 3 mm (2), a 155° head-neck angle component (3), and a humeral stem and baseplate component which facilitates cup adjustability through the use of retroversion dowel holes spaced at 5° (0°–20°), and threaded holes for lateralization of the humeral shaft spaced at 5 mm (−5 to +15 mm) (4). (C) A side view of the component shows its 155° head-neck angle.