Complex sentence: MicroMed Cardiovascular, Inc. filed for Chapter 11 bankruptcy in June 2013, and former members of the company founded ReliantHeart Inc. in August 2013.
Split into simpler sentences: MicroMed Cardiovascular, Inc. filed for Chapter 11 bankruptcy in June 2013. Former members of MicroMed Cardiovascular, Inc. founded ReliantHeart Inc. in August 2013.