Medbar 209-01 Single Valve Karmen Canhle Injector Manual Vacuum Aspirator Set The aspirator set is a medical device. This set consists of a valve karmen cannula injector and a manual vacuum aspirator used in vacuum aspiration or liquid removal operations. Vacuum aspiration is a medical procedure and is used to remove fluid or tissue samples from the body or clean foreign substances. Such procedures are preferred in many medical applications since they can be performed without requiring surgical intervention. The Medbar 209-01 set consists of a single valve karmen cannula injector and a vacuum aspirator. Valve Karmen cannula injector is a tool used to draw fluids in the body. & Nbsp;