An artificial lung is a prosthetic device that is implanted into the body to replace biological lungs. It is different from a heart-lung machine in that it is internal and designed to take over the functions of the lungs for long periods of time rather than on a temporary basis. Recent developments include a device that uses small hollow fibers and the heart's own pumping power to oxygenate blood. It may be necessary for a person to receive artificial lungs if theirs become diseased or damaged beyond repair.
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