Patent issuance strengthens pediatric intellectual property portfolio and advances system-level safety designMINNEAPOLIS, Jan. 06, 2026 (GLOBE NEWSWIRE) -- Nuwellis, Inc. (Nasdaq: NUWE), a medical technology company advancing precision fluid management technologies across the cardio-renal continuum today announced that the United States Patent and Trademark Office recently issued a new U.S. patent covering advanced safety mechanisms for blood return line clamps used in extracorporeal blood filtration system ...