MMI S.r.l. Unveils World’s Smallest Robotic Wrist CALCI, Italy, December 5, 2017. Medical Microinstruments S.r.l. (MMI), a developer of novel robotic solutions for unmet medical needs, today reveals its robotic platform specifically designed for open microsurgery. The platform allows the surgeon to control two tiny articulated microinstruments that simplify reconstruction procedures after traumatic injuries as