Sorin SpA is an Italy-based group active in the field of medical technology for the treatment of cardiovascular diseases. It focuses its activities on three business units. Cardiopulmonary: through the extra-corporeal blood circulation systems which includes oxygenators, heart lung machines, perfusion tubing sets, cannulae, accessories used in cardiac surgery to keep patients alive during open-heart surgery, distributed under the Dideco and Stoeckert brands. Cardiac rhythm management: which includes implantable devices, programmers, holter monitoring systems and event monitors, distributed under the Sorin-CRM brand. Heart valves: which includes implantable heart valve prostheses and repair products, disposable devices, heart-lung machines, autotransfusion equipment to be utilized in cardiac surgery to correct or replace damaged heart valves, distributed under the Sorin Biomedica, Carbomedics and Mitroflow brands. In February 2013, it acquired Alcard Industria Mecanica Ltda.