Design and Manufacture of an Attachment Fitting for Transtibial Prosthetic Sockets Using Selective Laser Sintering

The focus of this work is using selective laser sintering to manufacture transtibial prosthetics sockets with compliant features to relieve contact pressure in sensitive areas. Each of these sockets requires an integrated attachment fitting to connect to the pylon and foot using standard hardware. Several design concepts of an attachment fitting are presented and compared. The design concepts were tested using a tensile test machine and analyzed using ground reaction force data to ensure a structurally sound connection. The resulting design employs standard hardware while maintaining the integrity of the connection for a normal gait cycle.