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Tampons

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In 1931 , the tampon was ‘ alternative medicine ’, but inventor Earle Haas was adamant that it would sell . Tampax founder Gertrude Tendrich saw its potential and helped women live more comfortably during their periods – from enjoying exercise more freely and having more confidence , its availability supported women as more ladies entered the workforce .

Defibrillator

A defibrillator provides electric shocks to the heart of a patient experiencing cardiac arrest – when the heart ceases to function .

In 1930 , Electrical Engineer William Kouwenhoven manufactured the external defibrillator . Then in 1947 , cardiac surgeon Claude Beck first successfully used the debrillabulator in heart surgery . healthcareglobal . com 119