Innovation enables customizable catheter length while maintaining structural integrity during ultrafiltration, dialysis, and continuous renal replacement therapy modalitiesMINNEAPOLIS, July 16, 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 U.S. Patent No. 12,678,592, covering the company’s Dual Lumen Catheter, a