Medtech funding: MiCardia raises $3.7 million April 11, 2013 By Brad Perriello MiCardia reported raising $3.7 million in a April 3, 2013 regulatory filing: Company: MiCardia Raise: $3.7 million Security: Debt, Options/Warrants Investors: 17 Sales Commission: $0 Finders’ Fees: $0