Daitron Power Supply can meet Ultra Low Noise requirements.

Daitron Inc releases MFS50 Ultra Low Noise series power supply products suitable for noise sensitive applications in medical and industrial markets.
Compared with other similar products, it can reduce noise & ripple less than 10mV and minimize leakage current down to 40uA @132Vin, 75uA @264Vin.
This products meet medical standard EN60601-1.

See our product at MD&M West show 2010 at Anaheim, CA on Feb 2010.