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These units act as a temporary substitute for circulatory and pulmonary function. As such, they should circulate, oxygenate, and filter blood.
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Facilities are strongly encouraged to standardize their equipment. This can simplify and ease upgrading or adding new components.
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An in-line arterial filter should be included with the disposable tubing for the heart-lung bypass unit. This can help trap particulate matter and gaseous emboli.
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Today, most units consist of modular components that fit into a portable console base; facilities can now buy a basic unit and later upgrade or replace it as needed.
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Customized units are also offered. Before making the purchase, buyers should consider the level of modularity of each system.
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