Hamilton Medical Inc. recalls HAMILTON-C1, C2, C3, T1 Ventilators for software issues that may cause ventilators to stop without notice after approximately 91 days of cumulative use.

http://www.fda.gov/medical-devices/medical-device-recalls/hamilton-medical-inc-recalls-hamilton-c1-c2-c3-t1-ventilators-software-issues-may-cause-ventilators