Nuwellis shares jump 10.16% premarket after securing new U.S. patent on fluid management.

Nuwellis, Inc. surged 10.16% in premarket trading, with the company announcing the issuance of U.S. Patent No. 12,357,734, titled 'Extracorporeal Blood Filtering Machine and Methods.' The patent covers innovations in blood filtering system design and methods that support safe and precise fluid removal during ultrafiltration therapy, strengthening the company’s intellectual property portfolio.