Patent ID: 8540781

Claim:
A foot prosthesis, comprising: an upper part, a lower part that is placed on the ground when walking, an elastic damping element connecting the upper part and the lower part, the elastic damping element arranged in a heel area, the upper part is connected to the lower part in a forefoot area so as to form a spring, the upper part extending above the lower part and spaced apart from each other, at least one filling piece positioned between the upper part and the lower part and positioned between the damping element and the forefoot area, the filling piece increasing flexural stiffness of the upper part and the lower part during walking, a first securing portion on the damping element between the upper part and the lower part, a second securing portion on the filling piece at a heel end of the filling piece, the second securing portion releasably engaging the first securing portion so as to releasably engage the filling piece between the upper part and the lower part.