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Outset Medical, Inc.

A medical-device maker that builds the Tablo hemodialysis system, an all-in-one machine that purifies tap water right inside the device so it can plug into any faucet—no separate water room needed. Doctors use it in hospitals and clinics, and patients with kidney failure can even run their own treatments at home. Founded in 2003 in California as Home Dialysis Plus, the company renamed itself Outset Medical in 2015 to signal a fresh start for a field it saw as slow to change.