TandemHeart consists of a 21F inflow cannula in the left atrium after femoral venous access and transseptal puncture and a 15 to 17 F arterial cannula in the iliac artery. The externalized centrifugal motor rotates at maximal speed of 7500 rotations per minute, delivering 4 L/min of continuous flow.
From: Naidu SS. Novel percutaneous cardiac assist devices: the science of and indications for hemodynamic support. Circulation 2011; 123:533. DOI:
10.1161/CIRCULATIONAHA.110.945055. Copyright © 2011 American Heart Association. Reproduced with permission from Wolters Kluwer Health. Unauthorized reproduction of this material is prohibited.