PERTH, Australia & BOSTON--(BUSINESS WIRE)--April 5, 2006--Global bio-nanotech company pSivida Limited (Nasdaq:PSDV - News; ASX:PSD - News; Xetra:PSI - News) today announced that it has entered into an evaluation agreement with an undisclosed large medical device company to evaluate cardiovascular delivery of drugs using pSivida's drug delivery technologies.