John Alexander Hopps - Alchetron, The Free Social Encyclopedia
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John Hopps was a Canadian electrical engineer working for the National Research Council in the early 1950s.While studying hypothermia treatments for heart surgery, he observed that a cooled heart would stop beating but could be restarted using mechanical or electrical stimulation.Building on earlier concepts of cardiac pacing (first demonstrated in the 1930s), Hopps developed the first external, portable pacemaker in 1950–1951.His device was large and plugged into a wall outlet, but it laid the
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John Hopps was a Canadian electrical engineer working for th…
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In 1949, Canadian engineer John Hopps was focused on a new business enterprise, using radio wave technology to pasteurize beer. He was annoyed when an interruption pulled him away from this promising development. However, this unexpected opportunity presented by surgeons would prove to be his most valuable investment of time, leading to a monumental discovery that would generate immeasurable human wealth. The surgeons wondered if an artificial electrical impulse could restart a stopped heart, a
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