Patent attributes
Disclosed are femoral stem for hip implants, and methods of design and manufacture thereof. A femoral stem for a hip implant, comprising a femoral neck extending from a proximal end of the femoral stem towards a distal end of the femoral stem; an upper section connected to and extending from the femoral neck towards the distal end of the femoral stem, wherein the upper section comprises at least one proximal-distal solid rib flanked by an open lattice; and a lower section connected to and extending from the upper section to the distal end of the femoral stem, wherein the lower section comprises a closed lattice enclosed in a solid skin. Such femoral stems for hip implants are customized and manufactured using 3D printing technologies and provide a lightweight alternative to conventional him implants.