A proud member of OHI ’ s family of brands focused on treating conditions and diseases of the lower extremities , Arizona AFO ® has been the premiere fabricator of custom-made ankle foot orthoses since 2004 . The company ’ s namesake Arizona Brace ® not only invented a new product category , it pushed the industry in a whole new direction . The practice of prescribing an AFO as an alternative to surgery for Posterior Tibial Tendon Dysfunction ( PTTD ) is now widely accepted and the Arizona Brace ® is the only custom AFO clinically proven to effectively treat PTTD . Carrying on a tradition of innovation , excellence in manufacturing and exceptional customer care that began with company founder Ernesto Castro in 1994 , Arizona AFO ® is steadfastly focused on patient needs , optimal patient outcomes and customer satisfaction .