A device for delivering fluid to a patient including an exit port assembly adapted to connect to a transcutaneous patient access tool, a flow path extending from the exit port assembly, and a flow condition sensor assembly. The sensor assembly includes a resilient diaphragm having a first surface positioned...http://www.google.de/patents/US6830558?utm_source=gb-gplus-sharePatent US6830558 - Flow condition sensor assembly for patient infusion device
