004_arm_for_raysa_6432_ Published September 24, 2011 at 900 × 900 in An arm for Raysa Two days after creating the initial shoulder casting, Esparza fits the polymer base that will help support Raysa’s shoulder and prosthetic arm. Resident prothetician, Art Gagne, helps Waldo Esparza fit the base plate on Raysa Fernandez shoulder.