Zyno Medical Z-800 infusion pumps allow for infusions through the blood vessels but a software defect may allow air bubbles to enter the patient.

http://www.fda.gov/medical-devices/medical-device-recalls/infusion-pump-recall-zyno-medical-removes-z-800-z-800f-z-800w-and-z800wf-infusion-pumps-due-air-line