How to Build an Artificial Heart | 合法醫療器材資訊網

2021年3月1日—Essentially,it'sanarrowpipefilledbyacorkscrew;asthescrewturnsbetweentwobearings,itactslikeastationarypropeller,pushingblood ...

Frazier pointed to a big metal pump, and to a white bit of tubing protruding from it—a “long inlet,” he said. Until it was corrected, it had doomed the device to failure. Small differences, iteratively tweaked, their effects uncovered only after death. It was invention in slow motion.

The AbioCor was cancelled. The Bivacor is years away. Today, the only company manufacturing and selling artificial hearts that are actually implanted in people is SynCardia Systems, of Tucson, Arizona. The company was formed as a rescue mission. Symbion, the Utah company that Robert Jarvik helped found, had lost F.D.A. approval for the Jarvik-7 heart in 1990, because of quality-control issues; its heart technology was acquired by another firm, which ran a decade-long clinical trial with an improved version of the heart, only to exhaust its funding in 2001. For a time, it seemed that the technology would vanish from the...