The<unk>  tube was a type of blood collecting device, first manufactured by Hynson, Wescott and Dunning in around 1922. This<unk>  was one of the first evacuated systems, predating the more well known Vacutainer. Its primary use was to test for syphilis and typhoid fever.
Keidel vacuum
Scrotal inflation
Senn retractor
Shirley drain
Mikulicz's drain
Word catheter
Müller's maneuver
Sinus lift