 REDWOOD CITY, CA ACCESSWIRE May 25, 2021 Avinger, Inc. NASDAQ:AVGR, a commercial-stage medical device company marketing the first and only intravascular image-guided, catheter-based system for diagnosis and treatment of Peripheral Artery Disease PAD, today announced the issuance and allowance of seven U.S. patents to date in 2021. These new U.S. patents include a wide range of claims relating to Avingers proprietary optical coherence tomography OCT intravascular imaging system and its OCT-guided catheters for the treatment of vascular disease. 