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Contec CMS-50D Manual

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3.2
3.2
3.2
3.2Caution
Caution
Caution
Caution
1.Thefingershouldbeplacedproperly(seetheattachedillustrationofthismanual,Figure5),or
elseitmaycauseinaccuratemeasurement.
2.TheSpO
2
sensorandphotoelectricreceivingtubeshouldbearrangedinawaywiththe
subject
’
sarterioleinapositiontherebetween．
3.TheSpO
2
sensorshouldnotbeusedatalocationorlimbtiedwitharterialcanalorblood
pressurecufforreceivingintravenousinjection.
4.Makesuretheopticalpathisfreefromanyopticalobstacleslikerubberizedfabric.
5.Excessiveambientlightmayaffectthemeasuringresult.Itincludesfluorescentlamp,dualruby
light,infraredheater,directsunlightandetc.
6.Strenuousactionofthesubjectorextremeelectrosurgicalinterferencemayalsoaffectthe
accuracy.
7.Testeecannotuseenamelorothermakeup.
3.3
3.3
3.3
3.3Clinical
Clinical
Clinical
Clinicalrestrictions
restrictions
restrictions
restrictions
1.Asthemeasureistakenonthebasisofarteriolepulse,substantialpulsatingbloodflowof
subjectisrequired.Forasubjectwithweakpulseduetoshock,lowambient/bodytemperature,
majorbleeding,oruseofvascularcontractingdrug,theSpO
2
waveform(PLETH)willdecrease.
Inthiscase,themeasurementwillbemoresensitivetointerference.
2.Forthosewithasubstantialamountofstainingdilutiondrug(suchasmethyleneblue,indigo
greenandacidindigoblue),orcarbonmonoxidehemoglobin(COHb),ormethionine(Me+Hb)
orthiosalicylichemoglobin,andsomewithicterusproblem,theSpO
2
determinationbythis
monitormaybeinaccurate.
3.Thedrugslikedopamine,procaine,prilocaine,lidocaineandbutacainemayalsobeamajor
factorblamedforseriouserrorofSpO
2
measure.
4.AstheSpO
2
valueservesasareferencevalueforjudgementofanemicanoxiaandtoxicanoxia,
somepatientswithseriousanemiamayalsoreportgoodSpO
2
measurement.
4
4
4
4Technical
Technical
Technical
Technicalspecifications
specifications
specifications
specifications
1
1
1
1）Display
Display
Display
DisplayFormat:
Format:
Format:
Format:OLEDDisplay;
SpO
SpO
SpO
SpO
2
2
2
2
M
M
M
Measur
easur
easur
easuring
ing
ing
ingRange
Range
Range
Range:
:
:
:0%~100%;
Pulse
Pulse
Pulse
PulseRat
Rat
Rat
Rate
e
e
eM
M
M
Measur
easur
easur
easuring
ing
ing
ingRange
Range
Range
Range:
:
:
:30bpm~250bpm;
Pulse
Pulse
Pulse
PulseWave
Wave
Wave
WaveDisplay:
Display:
Display:
Display:columniationdisplayandthewaveformdisplay.
2
2
2
2）Power
Power
Power
PowerRequirements:
Requirements:
Requirements:
Requirements:2×1.5VAAAalkalinebattery(orusingtherechargeablebattery
instead),adaptablerange:2.6V~
3.6V.
3
3
3
3）Power
Power
Power
PowerConsumption:
Consumption:
Consumption:
Consumption:Smallerthan30mA.
4
4
4
4）Resolution:
Resolution:
Resolution:
Resolution:1%forSpO
2
and1bpmforPulseRate.
5
5
5
5）Measurement
Measurement
Measurement
MeasurementAccuracy:
Accuracy:
Accuracy:
Accuracy:±2%instageof70%-100%SpO
2
,andmeaninglesswhenstagebeing
smallerthan70%.±2bpmduringthepulseraterangeof30-99bpmand±2%duringthepulse
raterangeof100~250bpm.
6
6
6
6）Measurement
Measurement
Measurement
MeasurementPerformance
Performance
Performance
Performancein
in
in
inWeak
Weak
Weak
WeakFilling
Filling
Filling
FillingCondition:
Condition:
Condition:
Condition:SpO
2
andpulseratecanbeshown
correctlywhenpulse-fillingratiois0.4%.SpO
2
erroris±4%,pulserateerroris±2bpmduring
thepulseraterangeof30~99bpmand±2%duringthepulseraterangeof100~250bpm.
7
7
7
7）Resistance
Resistance
Resistance
Resistanceto
to
to
tosurrounding
surrounding
surrounding
surroundinglight:
light:
light:
light:Thedeviationbetweenthevaluemeasuredinthecondition
… 6 …


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