Fast on the tail of a new artificial heart, researchers report that a bioengineered lung is nearing clinical trials. Unlike the AbioCor heart developed by Danvers, Mass, manufacturer Abiomed, implanted for the first time on July 2, the intravenous membrane oxygenator (IOM), as the new lung device is called, is not a self-contained replacement but more akin to an angioplasty catheter. By removing some of the respiratory load from the real lungs, the assist device may allow better healing for 750 000 patients with emphysema, chest trauma, or acute respiratory failure.
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