Abstract: The present invention is intended to provide a teaching playback swing-phase-controlled above knee prosthesis which enables an external data setting to set the mechanism of the teaching playback swing-phase-controlled above knee prosthesis for conditions that enable the mechanism to operate for motions according to a walking speed. The teaching playback swing-phase-controlled above knee prosthesis includes a structural body having a thigh frame and a leg frame pivotally joined to the thigh frame for swing motion relative to the thigh frame, an air cylinder having a cylinder body, a piston axially slidably fitted in the cylinder body and provided with a valve, and a piston rod having one end fixed to the piston and the other end pivotally joined to the thigh frame, and a stepping motor for adjusting the opening of the valve of the cylinder.

Abstract: A teaching playback swing-phase-controlled above-knee prosthesis comprises a thigh frame, a leg frame, an air cylinder interconnecting the thigh and leg frames and provided with adjusting means for adjusting the degree of opening the valve of the air cylinder to a plurality of degrees respectively for a plurality of walking speeds selected during trial walking, a mode selecting switch having positions respectively for setting degrees of opening of the valve of the air cylinder in a teaching mode and for a playback mode in which one of the degrees of opening is selected according to an actual walking speed, an opening detector for detecting the degree of opening of the valve of the air cylinder, an opening storage device for storing a plurality of set degrees of opening of the valve of the air cylinder, a phase detector for detecting swing phases and stance phases, walking speed detector for detecting an actual walking speed, and control unit for adjusting the degree of opening of the valve of the air cylinder

Abstract: A teaching playback swing-phase-controlled above-knee prosthesis comprises a thigh frame, a leg frame an air cylinder interconnecting the thigh and leg frames and provided with adjusting means for adjusting the degree of opening the valve of the air cylinder to a plurality of degrees respectively for a plurality of walking speeds selected during trial walking, a gait selecting switch having positions respectively for setting degrees of opening of the valve of the air cylinder in a teaching mode and for playback mode in which one of the degrees of opening is selected according to an actual walking speed, an opening detector for detecting the degree of opening of the valve of the air cylinder, an opening storage device for storing a plurality of set degrees of opening of the valve of the air cylinder, a phase detector for detecting swing phases and stance phases, walking speed detector for detecting an acutal walking speed, and control unit for adjusting the degree of opening of the valve of the air cylinder in

Abstract: A teaching playback swing-phase-controlled above-knee prosthesis comprises a thigh frame, a leg frame, an air cylinder interconnecting the thigh and leg frames and provided with adjusting means for adjusting the degree of opening the valve of the air cylinder to a plurality of degrees respectively for a plurality of walking speeds selected during trial walking, a mode selecting switch having positions respectively for setting degrees of opening of the valve of the air cylinder in a teaching mode and for a playback mode in which one of the degrees of opening is selected according to an actual walking speed, an opening detector for detecting the degree of opening of the valve of the air cylinder, an opening storage device for storing a plurality of set degreess of opening of the valve of the air cylinder, a phase detector for detecing swing phases and stance phases, walking speed detector for detecting an actual walking speed, and control unit for adjusting the degree of opening of the valve of the air cylinder

Abstract: A teaching playback swing-phase-controlled above-knee prosthesis has a thigh frame, a leg frame, an air cylinder interconnecting the thigh and leg frames and provided with adjusting means for adjusting the degree of opening the valve of the air cylinder to a plurality of degrees respectively for a plurality of walking speeds selected during trial walking. A mode selecting switch has positions respectively for setting degrees of opening of the valve of the air cylinder in a teaching mode and for a playback mode in which one of the degrees of opening is selected according to an actual walking speed. An opening detector detects the degree of opening of the valve of the air cylinder. An opening storage device for stores a plurality of set degrees of opening of the valve of the air cylinder.