Les Hôpitaux Universitaires De Genève

Alain Lacraz

Implant for transfemoral or transtibial amputation comprising a stem () and a base (), the base () comprising a bone support surface () on one side and on an opposite side a soft tissue load bearing surface (). The stem extends from the base perpendicular to the bone support surface and is configured for insertion in a medullary canal () of an amputated bone (), the bone support surface () being configured for abutment against a severed end () of said amputated bone. A diameter (d) of the base is configured to be larger than an average diameter of a shaft () of said severed bone, the soft tissue load bearing surface () comprising a generally planar or slightly curved central portion () and a convexly curved radially outward portion () with a curvature greater than the central portion, the central portion () being oriented at an angle of between 4&#xb0; to 8&#xb0; to the bone support surface.

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Cranves-Sales, France

Alain Lacraz