DALLAS–(BUSINESS WIRE)–BioTras, LLC, a biomedical company owned by Dallas-based pain management doctors John East and Brandon Knutson, announced today it has received a U.S. Patent for AsTris 1.0 (U.S. Patent No. 9,275,556) a unique medical training simulator that is setting a new gold standard for training in interventional pain management. The patent was approved on […]