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Exo 3D Printed Titanium Leg Concept: The Six Hundred Dollar Man

 |  |  |  |  |  |  December 29, 2014


Prosthetic legs typically go for several thousands of dollars and stick out because of their robotic appearance. Industrial Design student William Root wanted to address both of those issues with his Exo concept. It’s a prosthetic leg that takes advantage of modern 3D modeling and printing technology.

exo_3d_printed_prosthetic_leg_by_william_root_1

In theory, production of the Exo would start out with a 3D scan of both the wearer’s remaining leg and the stump on the damaged leg to ensure a perfect fit. For the latter, William points to MIT’s FitSocket technology, which analyzes the “properties of soft tissues in human limbs” to create a personalized prosthetic attachment model in “minutes instead of months.”

exo_3d_printed_prosthetic_leg_by_william_root_2

This is in contrast to current methods of making molds out of the wearer’s stump, and then casting, forming, fitting and making adjustments, a process that sometimes has to be done multiple times to get the fit right.

exo_3d_printed_prosthetic_leg_by_william_root_3

William thinks that Exo should be produced out of titanium powder using laser sintering. He chose a wire frame design not only to reduce materials and weight but because it looks beautiful as well.

exo_3d_printed_prosthetic_leg_by_william_root_4

exo_3d_printed_prosthetic_leg_by_william_root_5

exo_3d_printed_prosthetic_leg_by_william_root_6

Head to William’s Behance page to learn more about his concept. I wouldn’t be surprised if the Exo turns out to have biomechanical or medical flaws, but the idea of using 3D modeling and printing prosthetics has been proven in small scales with prosthetic hands and could be worth exploring further.

[via Boing Boing]

 



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