Dentsply SironaOperating Instructions Simulation Unit Sim Intego4 Operation4.5 Assistant element / Suction handpiece tray66 09 437 D3649D3649.201.01.04.02 06.2019 65Spray aspiratorABYou can angle the suction handpiece by turning it.Spray aspirator cannulas with lateral air intakes A should be used sothe suction flow is not completely cut off when suction is attached. Thisprevents backflow from the hose when the suction is attached.The suction flow can be stopped and regulated using the slide B.The thick suction hose can be used for surgical suction. To insert asurgical cannula, please attach the adapter supplied.Saliva ejectorA curved cannula is available for suction that can be hanged in themouth opening of the phantom head.The suction flow can be stopped and regulated using the A rotatingknob.4.5.4 Standard and Sprayvit E 3-way syringeThe function is described in the chapter on the assistant element, see"Standard and Sprayvit E 3-way syringe" [→ 45].