Nuwellis Announces Receipt of a Notice of Allowance from the U.S. Patent and Trademark Office for Innovative Dual Lumen Midline Catheter Technology

MINNEAPOLIS, April 28, 2026 (GLOBE NEWSWIRE) -- Nuwellis, Inc. (Nasdaq: NUWE), a medical technology company committed to delivering solutions for patients with cardiorenal conditions, announces that the U.S. Patent and Trademark Office (USPTO) has issued a Notice of Allowance for a new patent covering its novel dual lumen midline catheter technology designed for use in ultrafiltration therapies. This next-generation catheter incorporates advanced design elements to optimize blood flow dynamics during therapy.