Mindray P7-3T - Operation of Deflection Controls

Examination
28 Operator's Manual
• Inconsiderationoftheabove2points,theusershouldfreezetheimage,whichturns
thepowertothetransduceroff,andallowtheendoscopedeflectioncontrolstobe
disengagedwheneveractivescanningisnotdesired.
• Properpatientpreparationisessentialforsuccessfulexaminations.Thisincludes
restrictionsonfoodandliquidintakeaswellasathoroughexplanationofthe
examinationprocedureandotherinstructionsastheparticularsituationwarrants.
• Theuseofabite-guardduringallTEEexaminationsismandatorytoprotectthe
transducerfrompossibledamage.
• Theuseofprotectiveglovesduringtheexaminationisencouraged.PleaseseetheU.S.
FoodandDrugAdministration’sMedicalAlertonLatexProducts(FDA1991).
• Inadditiontothehighleveldisinfection,theuseofaprotectivesheathmayprovide
anevenhigherlevelofprotectionagainstcontaminationofthetransducer.Contact
CIVCOforprotectivesheathsandapplicatorsforprotectivesheaths.
4.3.2 OperationofDeectionControls
Theendoscopeisdesignedforone-handoperation.Figurebelowshowstheoperator
holdingtheendoscopehandleinthelefthand(forreferenceonly).Thumb,rstandsecond
ngersinteractwiththedeectionandscanplanecontrols.
Therearetwowheelsforcontrollingthetransducertipdeection.Thewheelshavebrake
andfreely-movingmodes.Inthebrakedmode,themovementofthedeflectionwheelis
restrained.Thisisusedtoholdthetipinacertainposition.
Specialcareshouldbetakenwheninsertingandremovingthetransducer.
WARNING
●
To avoid injury to the patient, using excessive force during insertion, positioning,
or withdrawal may cause trauma to the stomach or esophagus.
●
To prevent damage to the esophagus when inserting or withdrawing the
transducer, the control wheel must be in the freely moving, neutral, and un-
braked state