Ear syringe with recirculating cleaning fluid - has one rubber tube ending in injection nozzle sliding in fluid receptacle with other tube acting

摘要

The syringe for washing the ears comprises a bulb from which two rubber tubes (5,7) extend. These have one-way valves (6) to ensure the circulation of fluid in one direction only. The tubes both enter a receptacle for the washing fluid and one terminates in an injection cannula with a flexible rubber nozzle. The cannula can slide in and out of the receptacle on a flexible mounting. The other tube enters the receptacle transversely half way along its length and acts as the outlet line for used fluid. The open end of the sealed by a collar (4) of e.g. foamed rubber.