Patent ID: 6860864
Filing Date: 2005-03-01
Classification: A61F

Abstract:
1. A dynamic ankle foot orthosis comprising a posterior base shell with an upper tibia portion and a lower tibia portion, a tongue having an upper portion adapted to cover an anterior portion of a lower leg and lower portion adapted to cover a top portion of a foot of a wearer, a front portion and a back portion disposed about a vertical axis, and outer anterior pre-tibial shell having an inside surface and an outside surface, said inside surface is attached to an outside surface of the upper portion of said tongue, strap means attached to the outside surface of the outer anterior pre-tibial shell for securing said posterior base shell, said outer anterior pre-tibial shell and said tongue to a wearer; said posterior base shell further includes a lower ankle forefoot portion with a top and bottom portion disposed about a horizontal axis of a subject patient's foot, and a pair of upper flanges having an inside surface and an outside surface, said upper flanges extending forwardly from the lower tibia portion of the posterior base shell and adapted for covering and supporting the ankle area of the wearer, and wherein when said orthosis is worn by a wearer, the outside surface of the outer anterior pre-tibial shell is positioned to contact directly with the inside surface of said upper flanges, and said strap is positioned to cover the outside surface of said upper flanges.