KING + COMPANY IMAGE: POLARCAP SYSTEM IS MADE BY POLARCOOL AB. CREDIT: POLARCOOL LUND, Sweden–May 11, 2021–PolarCool AB (publ), a Swedish medical device company focusing on treatment of sports-related traumatic brain injury (TBI) and whiplash, today announced that it has submitted a 510(k) pre-market notification to the U.S. Food and Drug Administration (FDA) for the...