(Jewish Group) Dr. Morton Mower, Jewish co-inventor of a revolutionary defibrillator, dies at 89

The implantable defibrillator, a small device that can be installed under a patient’s skin and immediately send a shock to correct any irregular heart rhythms, is today implanted in more than 300,000 people every year.

Dr. Morton Mower, a Jewish cardiologist and renowned inventor who died April 25 in Denver of cancer at the age of 89, was one of the device’s two inventors. His contributions to medical science were rivaled only by his devotion to the Jewish National Fund, to which he and his wife, Dr. Tobia Mower, were significant donors.

Along with his Jewish co-inventor, Dr. Michel Mirowski, Mower began development in 1969 on a pint-sized defibrillator that could be surgically implanted underneath the abdomen to allow for quicker, more precise electric jolts. He taught himself electrical engineering in his basement in order to created prototypes for the instrument, which the pair believed could be a significant improvement on the over-the-skin defibrillator.

The Baltimore-born Mower would later joke that the two had essentially invented “a time bomb in people’s chests.” But after it was first implanted into humans in 1980, and approved by the Food and Drug Administration in 1985, the device — now commonly placed in the upper chest — became a revolutionary tool for cardiologists. The duo followed up that hit by inventing cardiac resynchronization therapy, an electric device that sends jolts to the left and right ventricles of the heart simultaneously in order to get them to beat in a more organized pattern.

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