Patent ID: 7819832

Claim:
An orthotic device for application to the leg, heel, ankle and foot of a patient having lower extremely muscle weakness the device comprising: a cuff for securing the device about the calf of the patient, a heel cup having first and second sides for supporting the heel of the patient therein, a vertical strut extending between said cuff and said heel cup to connect said cuff to said heel cup, a foot plate integral with said heel cup and extending from said heel cup along the longitudinal axis of the foot to support the foot of the patient, said vertical strut comprising: a first side margin and a second side margin opposed to said first side margin., a first strut posterior layer comprised of polypropylene and connecting said first and second opposed side margins, said side margins extending downwardly from said cuff, said first opposed side margin continuing downwardly to pass on said first side of said heel cup and said second opposed side margin continuing downwardly to pass on said second side of said heel cup, a second strut anterior layer comprised of polyethylene and connected to said first and second side margins, said second strut anterior layer extending from said cuff to said heel cup, said first and second strut layers forming a housing having an interior center, a third strut layer located in said interior center between said first and second layers and comprised of polyethylene, said third layer extending downwardly along said interior center from said cuff to provide a flexible interior to said vertical strut, and said foot plate comprising: a generally flat surface and having a transverse line of flexion defining posterior and anterior foot plate sections, said footplate having a first relaxed, unflexed position where said posterior and anterior sections are in the same plane and said foot plate having a second flexed position where said anterior section is flexed upwardly along said line of flexion into a second flexed position to generate a tension force in response to the lifting of the heel said generated tension force being released upon said anterior section returning to said first position upon the completion of flexing of the toes at the metatarsals and said tension force propelling said heel cup upwardly said upward movement being communicated from said heel cup to said strut to push the leg and knee upwardly from the ground to allow the patient's foot to rotateably swing forward from the patient's knee.