MODIFICATION TO: NXSTAGE PUREFLOW-B SOLUTION

MODIFICATION TO: NXSTAGE PUREFLOW-B SOLUTION is an FDA 510(k)-cleared medical device (K053286) manufactured by Nxstage Medical, Inc.. This device is classified under the Gastroenterology, Urology specialty. FDA Device Class II (Special Controls) — moderate risk, requires 510(k) clearance. FDA clearance granted on December 21, 2005. Regulation: 8.