Tryton Medical Inc. has garnered an FDA approval for its Side Branch Stent to treat coronary artery disease with lesions at major branches. This is the first approval for a dedicated bifurcation device in the U.S., according to the Durham, N.C.-based company. Cordis, part of Dublin, Ohio-based Cardinal Health Inc., has already signed a deal to be the sole U.S. distributor of the stent.