DURHAM, N.C.--(BUSINESS WIRE)--Tryton Medical, Inc., the leading developer of stents designed to treat bifurcation lesions, today announced that the company has closed a $20 million Series D round of financing. Current investors PTV Sciences, RiverVest Venture Partners and Spray Venture Partners continue to provide strong support to the company. The financing was lead by private healthcare investor Arnerich Massena. Russell J. Rottiers from Arnerich Massena has been appointed to the Tryton Board of Directors.
