9 Jan 1965 Jahr - Portable Defibrillator
and Commercial Ultrasound
Beschreibung:
Dr. Frank Pantridge installed the first portable defibrillator in an ambulance in Belfast, Northern Ireland. It weighed 150 pounds and was powered by car batteries (nytimes).
Walter Erich Krause of the Siemens Corporation filed a patent for the first practical commercial ultrasound machine. According to the patent, his machine could be "used for practical ultra-sonic-optical examination to achieve a lifelike reproduction of the body part under examination" (nytimes).
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