What were some medical innovations between 1800 and 1993 in the United States?
I need the information for a research paper of about 10 pages. Any sort of time line or important inventions would be helpful.
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1842 Ether anesthesia
Crawford Long, of Jefferson, Georgia, performed the first operation using his development of ether-based anesthesia, when he removed a tumor from the neck of Mr. James Venable. Long did not reveal the practicality of using ether anesthesia until 1849.
1875 Electric dental drill
A dental drill is a small, high-speed drill used in dentistry to remove decayed tooth material prior to the insertion of a dental filling. George F. Green of Kalamazoo, Michigan invented an electric powered device to drill teeth in 1875.