口腔医学和外科 Anesthesia(麻醉) · born in1819 In 1840 enrolled at the world 's first dental school Baltimore College of Dental Surgery. Quit for money In 1844 became a student at harvard medical School charles Jackson, who demonstrated the magic of ether (Z ivk)in 1844), quit again for money In 1846, conducted first painless extraction in his office In 1846, first ether anesthesia operation for public(Dr Warren removed a vascular tumor) Life-time litigation for patent 可以重复验证的手术方案口腔医学和外科 Anesthesia （麻醉） • born in 1819 • In 1840 enrolled at the world's first dental school, Baltimore College of Dental Surgery. Quit for money… • In 1844 became a student at Harvard Medical School. (Charles Jackson, who demonstrated the magic of ether （乙醚） in 1844), quit again for money… • In 1846, conducted first painless extraction in his office. • In 1846, first ether anesthesia operation for public (Dr Warren removed a vascular tumor) • Life-time litigation for patent… • 可以重复验证的手术方案