Self-contained artificial heart still functional after two weeks.

I’m sorry to put it that way, but we’ve been chasing this goal my entire life. You have to be very, very measured in your expectations:

Developed by French firm Carmat, this is an artificial heart designed for people whose hearts are so weak that they can no longer pump enough blood to sustain life. It was implanted in its first human patient on 18 December 2013 at the Georges Pompidou European Hospital in Paris.

The device replaces the real heart and is meant to keep patients going while they wait for a donor: Carmat claims it can be used for up to five years. Lithium-ion batteries outside the body keep it pumping, while sensors monitor and automatically control blood flow to adapt to the patient’s activity.

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