uting ▁st ent ▁approved ▁in ▁the ▁United ▁States . ▁ ▁In ▁April ▁ 2 0 0 4 ▁the ▁company ▁announced ▁that ▁it ▁had ▁exerc ised ▁an ▁exclusive ▁option ▁to ▁ac quire ▁P rec ision ▁V asc ular ▁Systems , ▁Inc ., ▁as ▁part ▁of ▁a ▁series ▁of ▁agre ements ▁between ▁Boston ▁Scient ific ▁and ▁P rec ision ▁V asc ular ▁in ▁ 2 0 0 2 ▁- ▁for ▁an ▁und is closed ▁sum . ▁In ▁June ▁Boston ▁acquired ▁Advanced ▁B ion ics ▁Corporation ▁for ▁$ 7 4 0 ▁million ▁in ▁c ash , ▁plus ▁ear n ▁out ▁pay ments . ▁In ▁December ▁Boston ▁completed ▁its ▁ac quisition ▁of ▁Advanced ▁St ent ▁Techn ologies , ▁Inc . ▁for ▁$ 1 2 0 ▁million ▁pay able ▁in ▁Boston ▁Scient ific ▁stock , ▁plus ▁the ▁possibility ▁of ▁future ▁cont ing ent ▁pay ments . ▁A ST ▁had ▁been ▁developing ▁st ent ▁and ▁st ent ▁delivery ▁systems ▁specifically ▁designed ▁to ▁address ▁the ▁an atom ical ▁needs ▁of ▁coron ary ▁ar tery ▁disease ▁in ▁b if ur c ated ▁vessels . ▁ ▁In ▁April ▁ 2 0 0 5 , ▁Boston ▁exerc ised ▁an ▁exclusive ▁option ▁to ▁ac quire ▁Tri V asc ular , ▁Inc . ▁for ▁an ▁und is closed ▁sum . ▁Tri V asc ular ▁was ▁founded ▁in ▁ 1 9 9 8 ▁to ▁develop ▁less - in vas ive ▁medical ▁devices ▁and ▁procedures ▁for ▁tre ating ▁ab dom inal ▁a ort ic ▁an eur ys ms . ▁In ▁the ▁same ▁month ▁the ▁company ▁also ▁announced