
1) Drug delivery device
Found on
https://www.crosswordclues.com/clue/drip-chamber

A drip chamber is a device used to allow gas (such as air) to rise out from a fluid so that it is not passed downstream. They are commonly employed in delivery systems of intravenous therapy and act to prevent air embolism. The use of a drip chamber also allows an estimate of the rate at which fluid is administered. For a fluid of a given viscosit...
Found on
http://en.wikipedia.org/wiki/Drip_chamber

the expanded portion of intravenous tubing into which fluid falls, where the rate of flow can be monitored if necessary. See also intravenous infusion.
Found on
http://www.encyclo.co.uk/local/21001
No exact match found.