The ultimate goal of our research is to develop a wireless, remotely activated, and implantable bone transport (lengthening) device. Our device is subcutaneously mounted on the periosteal surface of the tibia. Smart materials such as temperature-driven nitinol and magnetostrictive terfenol-D were investigated to be used as actuators to provide the required forces for the bone transport process. It was found that an actuator based on terfenol-D with a magnetic field applied transversely (along the material’s magnetic moment) was the more appropriate technology. Design concepts and proof-of-concept work of both smart material technologies are presented.
Design of a Bone Transport Device Using Smart Material Actuators
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Luo, Y., and Hutapea, P. (August 17, 2009). "Design of a Bone Transport Device Using Smart Material Actuators." ASME. J. Mech. Des. September 2009; 131(9): 091005. https://doi.org/10.1115/1.3160314
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