Presentation TCT 2013 The Coronary Sinus Reducer – a Device Based Therapy for Refractory Angina; Interim Safety Results of the ongoing COSIRA clinical Trial and efficacy results of the CS Reducer... Presenter: Shmuel Banai, Marc Jolicoeur, Jean-Fran?ois Tanguay, Elazer Edelman, Stefan Verheye January 31, 2013