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A new piezoelectric actuator induces bone formation in vivo: a preliminary study
Reis, J; Frias, C; Canto e Castro, C; Botelho, ML; Marques, AT; Simões JA, JA; Capela e Silva, F; Potes, JThis in vivo study presents the preliminary results of the use of a novel piezoelectric actuator for orthopedic application. The innovative use of the converse piezoelectric effect to mechanically stimulate bone was achieved with polyvinylidene fluoride actuators implanted in osteotomy cuts in sheep femur and tibia. The biological response around the osteotomies was assessed through histology and histomorphomet...
Piezoelectric actuators for bone mechanical stimulation: exploring the concept.
Reis, J; Frias, C; Capela e Silva, F; Potes, J; Botelho, ML; Canto e Castro, C; Marques, AT; Simões, JAArthroplasty is liable to cause intense changes on strain levels and distribution in the boné surrounding the implant, namely stress shielding. Several solutions have been proposed for this, namely design variations and development of controlled-stiffness implants. A new approach to this problem, with potential application to other orthopaedic problems and other medical fields, would be the development of smart...
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