FLEXIBLE INSERT FOR FOOT PROSTHESIS Russian patent published in 2002 - IPC

FIELD: prosthetics. SUBSTANCE: flexible insert has C-shaped spring and main spring. C-shaped spring is formed from tubular cylindrical segment having horizontal cylindrical axis and axial slot forming rear opening. Lower side of main spring positioned adjacent to zone between C-shaped spring and free end of main spring is made convex. Upper side of main spring adjacent to its rear end zone defines seat for supporting and fixing of C-shaped profile lower branch. Upper branch of C-shaped profile has adapter device for detachable connection to foot prosthesis. Upper branch of C-shaped profile is pivotally joined through connecting link with supporting pole arranged rearward thereof and connected to rear end of main spring. EFFECT: simplified construction and improved characteristics facilitating simplified walking for invalids. 9 cl, 2 dwg