Oxygenator Design: Polymethylpentene vs. Polypropylene Fibers

A membrane oxygenator replaces lung function by acting as an artificial lung outside the body, mechanically replicating the natural process of gas exchange—adding oxygen to the blood and removing carbon dioxide. This technology forms the core component of Extracorporeal Membrane Oxygenation (ECMO) circuits and heart-lung bypass machines. It allows a patient’s severely damaged or failing lungs to completely rest and heal. The Architecture: Mimicking the Alveoli

In biological lungs, gas exchange happens across microscopic air sacs called alveoli. An oxygenator mimics this vast surface area using specialized synthetic materials: Extracorporeal membrane oxygenation (ECMO) – Mayo Clinic