Keep Patients Safe When Administering Opioids In August 2012, The Joint Commission issued a Sentinel Event Alert on the safe use of opioids in hospitals and recommended continuous oxygenation and ventilation monitoring.1 With Masimo Patient SafetyNet*, you can rest easier knowing accurate alarms from Masimo SET® pulse oximetry are instantly sent to assigned clinicians through an easy-to-use, flexible, and cost-effective monitoring system.