Air in-line sensor for ambulatory drug infusion pump.

摘要

An air in-line sensor 10 for detecting air bubbles in a therapeutic solution flowing through a tube 12 utilizes a unitary type sensor having a channel 16 for receiving the tube 12. The channel 16 has a tube loading section 18. A signal emitting member 20 is positioned on one side of the tube 12 and a signal receiving member 22 is positioned on an opposite side of the tube 12. A first air baffle 24 is positioned between the signal emitting 20 and signal receiving members 22.