Tag: tsūsensan
-
Hanaoka Seishū, inventor of an early general anesthetic
Kingston BridgesLondon, United Kingdom Since time immemorial, humans have sought to alleviate illness and suffering through surgical interventions. Amputations with improvised tools took place in the Upper Paleolithic period over 30,000 years ago, and skeletal evidence of trephining has been found in excavations on several continents. Throughout the centuries, as an understanding of the human…