Venture capital firm Boston Millennia helped close St. Jude Medical's ($STJ) recent acquisition of CardioMEMS. The deal came after 11 years and 5 rounds of investments into CardioMEMS, once the device had finally settled onto the U.S. market. A Boston Millennia partner said an arduous process of investments and offers finally cumulated in a $375 million acquisition by St. Jude. More