Patent ID: 7833287
Filing Date: 2010-11-16
Classification: A61F

Abstract:
1. A multi-axis prosthetic ankle having an adjustable range of articulation, comprising: a prosthetic foot connection component containing a receiving cavity; a lower leg connection component, at least a first end thereof installed into said receiving cavity; a retainer located in said receiving cavity for preventing upward displacement of said lower leg connection component with respect to said prosthetic foot connection component; an elastomeric material in said receiving cavity and substantially encasing any components present therein; and an interchangeable external bearing having an aperture through which a portion of said lower leg connection component passes, said external bearing residing atop a portion of said elastomeric material and at least partially within said receiving cavity; wherein overall articulation of said ankle is adjusted by exchanging one external bearing for another external bearing having an aperture of different size.