We use both the Avery and IDA2 methods without too much hassle as long as you replace the set on a regular basis.

WRT the Battery problems Baxter worlwide have been upgrading to the dual battery system under pain of death from the FDA but they dont seem to have the same pressure placed upon them by the MDA. Whats new you say!! However they wiil upgrade older pumps if you ask nicely!!!

Nurses luv em tell em once you tell em a zillion times.