A low cost orthosis for the treatment of foot and ankle conditions including plantar fasciitis and tendonitis, the orthosis is a rigid, molded shell manufactured in a variety of incremental sizes, having a generally U-shaped cross-sectional configuration and a flat foot bed, covered by...http://www.google.com/patents/US5799659?utm_source=gb-gplus-sharePatent US5799659 - Ankle foot orthosis night splint with orthowedge
