Patent ID: 6056712
Filing Date: 2000-05-02
Classification: A61F

Abstract:
An orthotic device for use with a human patient, comprising:a substantially inflexible leg unit;a substantially inflexible foot base unit; andan adjustable, rotary, angular flexion hinge, said hinge rotatably adjustably attaching said leg unit to said foot base unit, said hinge comprising left and right hinges aligned with each other, and at least one of said left and right hinges comprising:an upper unit gear fixedly attached to said leg unit;a middle gear coaxial with and securely engageable with said upper unit gear;a middle gear receiving means for receiving and holding said middle gear in a fixed angular relationship with respect to said foot base unit, said receiving means being fixedly attached to said foot base unit, anda disengagement means for allowing a user to selectively disengage said middle gear from said upper unit gear and then reengage said middle gear after the user has rotated said gears into the desired angular relationship with respect to each other, wherein said disengagement means includes a readily accessible button and a spring aligned with the axis of said middle gear.