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Transvalvular Pumps. A) The Hemopump has a trans-valvular impeller connected to an extra-corporeal motor by a driveline; B) The Impella has a trans-valvular impeller connected to an intracorporeal motor without a driveline; C) The investigational HeartMate Percutaneous Heart Pump (HM-PHP) has a self-expanding trans-valvular impeller connected to an extra-corporeal motor by a driveline.
