M&A Terms Under the terms of the definitive agreement, AngioDynamics will acquire all the outstanding capital stock of Vortex Medical for $15M in cash at closing, subject to adjustment, plus future earn out payments based on net sales of the AngioVac system over a 10 year period and payable in cash. AngioDynamics will make a guaranteed minimum earn out payment of approximately $8 million per year for each of the first five years.