Chapter 2 Performing an Investigation 25
WARNING
Thecapsulewillcauseamicro-traumatotheesophagealwallduringthexingprocess.Healthcare
professionals must carry out operations in strict accordance with this manual to avoid other traumas.
CAUTION
•
Do not use the pH capsule if the sterilization bag in which it is shipped has been opened, damaged, or
compromised in any way. Before replacing the compromised capsule with a new one, be sure place the
oldcapsulebackinitspackageproperlyandverifythatthebreakerisinplaceandtheLEDindicator
isoff.
•
Priortocommencingtheexamination,conrmthatthevacuumpumpisoperatingproperly.Afaulty
vacuum pump can cause the examination to fail.
1. Attachthecapsuletotheesophagus5cmabovetheproximalborderoftheloweresophagealsphincter(LES),
asidentiedbymanometry,or6cmabovethesquamocolumnarjunction(SCJ),asidentiedbyendoscopy.
Measurethedistancetothedesiredlocationbymanometryorendoscopeandthenmarkthatlengthonthe
delivery system using adhesive tape, as illustrated in Figure2-10.
Figure2-10: MarkingtheInsertionLengthontheDeliverySystem
2. Lubricate the tip and insert the delivery system through the mouth (with the capsule facing the tongue) to the
designatedlocationusingthethetapemarkerasaguide,asillustratedinFigure2-11.
Figure2-11: Inserting the Delivery System
CAUTION
•
Do not cover the capsule with lubricant, as this can interfere with the performance of the capsule.
•
Do not move the delivery system when the capsule arrives at the designated location.
WARNING
Carefully and slowly insert the delivery system. Be careful to avoid inserting it into the trachea or lungs.
3. Attachthevacuumpump,asillustratedinFigure2-12.