Perimeter Medical Imaging Inc. announced the appointment of Charles S. Carignan, MD as CEO. Dr. Carignan has more than 20 years of experience in key leadership positions spanning the medical imaging, women's health, surgery and rehabilitation sectors. He brings a proven track record of successfully commercializing a number of breakthrough technologies that dramatically improved healthcare for patients. Most recently he has served as CEO of REX Bionics, a developer of robotic rehabilitation systems designed for people with mobility impairments.