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P O ProWirelessReflectancePulseOximeter Team 3JamesHartSofiaIddirRobMaharNaomiThonakkaraparayil Outline DefinitionofPulseOximetryBiologicalAspectsAvailableProductsP O ProSpecificationsDesignConstraintsDesignOverviewBudgetConclusion WhatisaPulseOximeter Apulseoximetermeasuresanddisplaysthepulserateandthesaturationofhemoglobininarterialblood Thissaturationofhemoglobinisameasureoftheaverageamountofoxygenboundtoeachhemoglobinmolecule Pulseoximetryisanon invasiveprocess BiologicalStandPoint ThecompoundhemoglobinprovidesabindingmechanismthatallowsoxygentobetransportedthroughthebloodHemoglobinchangescolorwhenoxygenated Anoxygenatedhemoglobinmoleculeisbrightred whiledeoxygenatedhemoglobinmoleculeisdarkredThiscolordifferenceisusedintheapplicationofpulseoximetry LightAbsorbance showstheextinctioncoefficientoftheoxyhemoglobinanddeoxyhemoglobinatwavelengthsintherangeofinterestinpulseoximetry Theabsorbanceoflightintheredregionofthespectrumismuchhigherfordeoxyhemoglobinthanforoxyhemoglobin Thedeoxyhemoglobinismoretransparenttolightfromtheinfraredregionthantheoxyhemoglobin CompetitiveProducts Patent TheAvant 4000SystemwithBluetooth WirelessTechnologyLightweightwrist wornpatientmoduleWirelessSPOMedicalWirelessPulseOx6500systemWirelessHasanalarmunitThePedOMetrixisthetrademarkforSPO USA sWellnessBabyMonitor WBM MostsimilartoP O ProCurrentlyunderconstructionIssuedpatentsaremoregenericpatentsthatwouldnotinfluencethedesignofP O Pro TheP O Pro WhatistheP O Pro TheP O ProwillmonitorthebloodoxygencontentofinfantsandsmallchildrenDatasentusingwirelesstransmitterintegratedcircuitdevicetoabedsidemonitorThemonitordisplaysthebloodoxygencontentandpulserateofthechildonadigitaldisplayInformationisthensenttoaportablebeeperdeviceAccessibletothegeneralpublicthroughadrugstore Specifications Sensor Reflectance nottransmittancePlacedonankleHasarechargeablebatteryBatterylaststhoughthenightforthreeyearsFunctiononallskinpigmentsHypoallergenicanddoesnotimpedecirculationCanwithstandnormalmovementsMonitor PlugsintowalloutletDisplaysBPM SpO2levelsAlarm MayvibrateforhearingimpairedHasarechargeablebatteryDisplaysBPM SpO2levelsWillnotifywhenabnormalBPM SpO2levelsarereachedWillnotifyanymalfunctionsinthedevice DesignConstraints Economicconstraints costofbuildingthedeviceeconomicstandingofthetargetmarketManufacturability Inordertokeepthecostsdown itshouldbeaseasytomanufactureaspossibleEnvironmentalconstraints Durability subjectsinvolvedaretoddlersorinfants ThematerialusedHealthandsafetyconstraints AlowpowerBluetoothtransmitterwillbeusedtosenddatafromthesensortothemonitorSkinirritationsand ordiscomfort DeviceOverview Sensor Sensorcontains twolow voltagehigh intensityLEDsaslightsourcesonephotodiodeasalightreceiverOneLEDemitsredlight approximately660nm Thesecondemitsinfraredlight approximately940nm AbsorbanceismeasureddirectlyfrombackscatteredlightTheLEDsarealternatelyilluminatedusingafour stateclock Monitor DisplaysdatasentfromsensorSpO2 concentrationPulserateConsistsofON Off RESETswitchCanbeplacedinadifferentroomfromsensorDistancebetweensensorandmonitorshouldnotexceed30ft Alarm PortabledevicesimilartobeeperDisplaysdatasentfrommonitorConsistsofON Off RESETswitchDistancebetweenalarmandmonitorshouldnotexceed100ft WirelessCommunication TwodifferentOptions RfwirelessdevicesBluetoothWireless WirelessOptions Hereareafewofthepotentialtransmitter receiverdevisesweareconsideringDesign1BluetoothDesign2Linx Budget AnkleUnitBattery3 6VLithiumBattery 5 00Box 5 00Strap 2 00Transmitter 3 60Photodiode BedsideMonitorACadapter 1 50Box 7 00Microprocessorandotheric s 25 00Receiver 3 60Transmitter 3 60BeeperDeviceBattery3 6VLithiumBattery 5 00Box 6 00IC s 15 00total 82 30 Conclusion TheP O ProisawirelesssolutiontoeveryhouseholdTheproductisportable reliable andeasytouseTheP O ProwillbereadilyavailabletothegeneralpublicatretailstoreswhilebeingcompetitivelypricedFinalproductwillconsistofasensor amonitorandanalarmSensor Monitor AlarmAwatchshapedsensormodulewhichwillbeplacedontheinfant sanklewilltransmitdatatothemonitorMonitorwilltransmitdatat
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