ReThink Medical, Inc. manufactures wrist-worn devices that measure, detect, and notify indicators of worsening heart failures. It detects and notifies worsening conditions of heart and heart failure weeks in advance that allows proper treatment preventing hospitalization. The company was founded in 2010 and is based in San Francisco, California. As of August 11, 2020, ReThink Medical, Inc. operates as a subsidiary of Terumo Corporation.