Medtronic, Inc., Start-Ups Vie to Debut Leadless Pacemakers Published: Aug 20, 2010 MassDevice -- Medtronic Inc. (NYSE:MDT) is quietly working on plans to develop a pacemaker that can deliver electricity to the heart without wires. Related links MassDevice This will open in a new window News Release This will open in a new window Email this Facebook Twitter LinkedIn Pinterest Reddit Back to news