User Manual

Table Of Contents
ExpressionMR400InstructionsforUseMonitoringSPO267
WAR NIN G
If the wSpO2 module is incorrectly positioned when used within the MR magnet room, the
following factors can cause SPO2 waveform distortion and numeric inaccuracies, and
respiration numeric inaccuracies:
Fast magnetic field changes usually found but not limited to scan sequences using PNS
levels above 80 percent.
Severe vibrations induced by scan sequences using PNS levels above 80 percent.
Distance from the bore opening.
Distance from the bore iso-center in the x, y, or z direction.
ToensurebestperformanceduringSPO2
measurements
Step Action
1Ensurethatthefiberheadsaredirectlyoppositeeachother,asthe
lightmustpassthroughthepatient’stissueandbereceivedfor
properoperation.
2Swiveleachfiberheadintoapositionthatcausestheleastbending
ofthecablewhi leprovidingthemostcomforttothepatient.
3Checkthebattery
indicatoronthewSpO2moduletoensurethat
enoughchargeexists:
Greenbatteryindicator=Charge sufficient;proceedtostep5.
•Redbatteryindicator=Chargelow;proceedtostep4.
Seepage211fordetails.(Also,youcanreferencethestatus
informationpane;seepage216.)
4Insertacharged
modulebatteryintothewSpO2 moduleandthen
recheckthebatteryindicatortoensureasufficientchargebefore
proceeding;seepage126.
5CheckthenetworkchannelindicatoronthewSpO2moduleto
ensurecommunicationisestablishedwiththeMR400:
Steady=Goodcommunication;proceedtostep7.
Flashing=Nocommunication;
proceedtostep6.
Seepage211fordetails.(Also,youcanreferencethestatus
informationpane;seepage216.)
6EnsurethatthewSpO2moduleiswithin9.1m(30feet)ofthe
MR400,inthesameMRIroomorinthesameshieldedroom,andis
setto
thesamewirelessnetworkchannelusedbytheMR400;see
page129.
7ChecktheperfusionindexvalueforthequalityoftheSpO2
measurementfromthemodule;seepage66fordetails.