Mendaera, a four-year-old startup based in San Mateo, CA, that is developing a handheld, AI-powered robotic system for needle-based procedures such as biopsies and vascular access, raised a $73 million Series B round led by Threshold Ventures, with Lux Capital, PFM Health Sciences, and Frederic Moll also chipping in. FierceBiotech has more here.