Terumo offers devices that circulate blood in place of the heart and lungs during cardiovascular surgery in which the heart is stopped (“on pump” surgery). During open-heart surgery, the heart-lung machine temporarily takes over the pumping function of the heart. An oxygenator temporarily takes over the functions of the lungs, exchanging gases including oxygen and then returning oxygenated blood back to the patient via the cardiopulmonary bypass circuit.

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