Drug delivery devices typically have an inlet and outlet port, a flow restrictor, and a valve to bypass the restrictor. Makers and suppliers of these devices must ensure correct operation and integrity.

Uson has released an application note that addresses the difficulty of effectively leak testing fast flush drug delivery devices. Described is a five step leak and flow test accompanied by a circuit diagram explaining how the test can be accomplished with Uson best selling medical device tester, the Sprinit iQ. The application note may be downloaded here or by visiting www.uson.com