Bier's first spinal anesthetic and Veress's needle.
Maltby
J R
JR
D000775:Anesthesia, Spinal / Q000266:history* / Q000295:instrumentation; D004850:Eponyms; D004867:Equipment Design / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D009339:Needles / Q000266:history*