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Cardiopulmonary bypass devices consist of two main functional units: the pump and the oxygenator. These units remove oxygen-depleted blood from a patient's body and replace it with oxygen-rich blood through a series of tubes, or hoses. Additionally, a heat exchanger is used to control body temperature by heating or cooling the blood in the circuit.
A MAQUET hollow fiber membrane oxygenator. A membrane oxygenator is a device used to add oxygen to, and remove carbon dioxide from the blood.It can be used in two principal modes: to imitate the function of the lungs in cardiopulmonary bypass (CPB), and to oxygenate blood in longer term life support, termed extracorporeal membrane oxygenation (ECMO).
For most cardiac operations such as coronary artery bypass grafting, the cardiopulmonary bypass is performed using a heart-lung machine (or cardiopulmonary bypass machine). The heart-lung machine serves to replace the work of the heart during the open bypass surgery. The machine replaces both the heart's pumping action and the lungs' gas ...
Extracorporeal membrane oxygenation (ECMO), is a form of extracorporeal life support, providing prolonged cardiac and respiratory support to persons whose heart and lungs are unable to provide an adequate amount of oxygen, gas exchange or blood supply to sustain life.
The first uses a cardiopulmonary bypass machine, a machine which takes over the functions of the heart and lungs during surgery by circulating blood and oxygen. With the heart in cardioplegic arrest , harvested arteries and veins are used to connect across problematic regions—a construction known as surgical anastomosis .
Cardiopulmonary bypass (CPB) is a medical technique to oxygenate the blood and remove the carbon dioxide during the cardiac operation. [4] It can be seen as a “pump” to serve as a heart-lung machine whose function is sustaining blood circulatory and transporting oxygen to red blood cells before blood is flowing backwards the arterial ...
Cardiopulmonary bypass (CPB) / heart-lung machine: External pump to take over the function of both the heart and lungs. Commonly used in cardiothoracic surgery when the heart is being operated on for such surgeries like open valve replacement or CABG on the posterior side of the heart.
A bubble oxygenator is an early implementation of the oxygenator used for cardiopulmonary bypass. It has since been supplanted by the membrane oxygenator [1] as a result of advances in material science. Some continue to promote it as a low-cost alternative allowing greater self-sufficiency. [2]: p.182