 CARLSBAD, Calif.--BUSINESS WIRE--Ra Medical Systems, Inc. NYSE American: RMED, a medical device company focusing on commercializing excimer laser systems to treat vascular and dermatological diseases, reports progress with extending the shelf life of its more robust, next generation DABRA catheter, featuring a braided overjacket to improve deliverability when navigating tortuous anatomy. The Company also announces completion of all 116 items identified in a quality improvement plan that ste 