The Carefusion Alaris Medley 8120 PCA Syringe Pump is a patient-ready syringe pump available for rent and sale from US Med-Equip. The Alaris Medley 8120 Syringe Pump is a syringe-based PCA infusion device that provides quick access to total dose history and monitors trending data giving you additional tools to analyze and address a patient’s response to pain therapy.