When Ventilators Run Short, a $500 Invention May Save Lives

(Bloomberg) — As hospitals scour their storerooms in search of ventilators for Covid-19 patients, Israeli inventors have proposed a solution: an open-source, build-it-yourself breathing machine that costs less than $500.Called AmboVent, it’s the brainchild of a team led by David Alkaher, the 40-year-old chief technology officer at an electronics unit of the Israeli Air Force. Based on simple components that are easy to find like windshield-wiper motors, the device has a price advantage over full-scale models: High-end ventilators made by the likes of Philips can cost almost 100 times as much.Ventilators have been difficult to find at any price, sometimes forcing doctors in jammed intensive care units to decide who gets the last

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