SAN DIEGO--(BUSINESS WIRE)--Cytori (NASDAQ: CYTX) today received U.S. Patent No. 7,473,420 (the '420 patent), which protects important formulations of the Celution® System output. This builds upon U.S. Patent No. 7,390,484, issued to Cytori in June 2008, which covers the Celution System technology for the bedside processing of stem and regenerative cells derived from adipose tissue.