Accessible Blood Glucose Monitor
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Transcript of Accessible Blood Glucose Monitor
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Accessible Blood Accessible Blood Glucose MonitorGlucose Monitor
Adviser: Dr Franz BaudenbacherAdviser: Dr Franz BaudenbacherSponsor: Dr John EnderleSponsor: Dr John Enderle
Team Members:Team Members:Nor Haslin Mohd AliNor Haslin Mohd AliMus’ab ShaharomMus’ab Shaharom
Yazmin ZakariaYazmin Zakaria
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Project backgroundProject background
National Student Design National Student Design CompetitionCompetition
Project Choice: Accessible Blood Project Choice: Accessible Blood Glucose MonitorGlucose Monitor
Funding: $ 2000 Funding: $ 2000 Advisor: Professor BaudenbacherAdvisor: Professor Baudenbacher
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Statistics on diabetes Statistics on diabetes
7% of the population have diabetes 7% of the population have diabetes (20.8 million)(20.8 million)
12 000 – 24 000 new cases of 12 000 – 24 000 new cases of blindness each year. blindness each year.
60-70% of diabetic have mild to 60-70% of diabetic have mild to severe form of nervous system severe form of nervous system damagedamage
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Our Clients..Our Clients..
All clients have diabetesAll clients have diabetes Dave Dave – – 22, has 22, has limited use of his right limited use of his right
armarm and leg. and leg. Wanda – 12, has Wanda – 12, has low visionlow vision, ,
encouraged to start administering encouraged to start administering insulin to herselfinsulin to herself
Lloyd – 80, has some Lloyd – 80, has some hearing losshearing loss and and is very overweight (400lbs).is very overweight (400lbs).
Arnold - has Parkinson’s disease, and Arnold - has Parkinson’s disease, and experiences slight to moderate experiences slight to moderate tremorstremors. He lives alone.. He lives alone.
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Project GoalProject Goal
The blood glucose monitor mustThe blood glucose monitor must communicate effectively communicate effectively visual display and voice output.visual display and voice output. calibration and expiration dates of calibration and expiration dates of
test stripstest strips ease of learning, storage of all ease of learning, storage of all
components, cleaning and components, cleaning and maintenancemaintenance..
affordable and portableaffordable and portable
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Our Goal…Our Goal…
To win the First To win the First Prize for the Prize for the competition, competition, receive the receive the $1000 cash $1000 cash prize.prize.
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ProblemProblem Existing blood Existing blood
glucose monitors in glucose monitors in the market do not the market do not satisfy the needs of satisfy the needs of all our clients. Also, all our clients. Also, some of them are some of them are quite expensive. quite expensive.
Available voice box in Available voice box in the market work with the market work with only certain monitors only certain monitors and are expensive. and are expensive. E.g voice box for E.g voice box for Ultra Ultra
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Design ConsiderationsDesign Considerations
Use existing Use existing product - test product - test strip based strip based monitormonitor
Build voice box Build voice box for audio outputfor audio output
Build finger Build finger placing guide for placing guide for client with tremorclient with tremor
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Proposed DesignProposed Design
+ Voice Box +Blood
Glucose Monitor
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Technical StepsTechnical Steps1) Obtaining signal from glucose monitor1) Obtaining signal from glucose monitor Approach 1: Analog signal from Approach 1: Analog signal from
sensor (sensor (FailedFailed)) Approach 2: Digital signal from LCD Approach 2: Digital signal from LCD
((FailedFailed)) Approach 3: Analog signal from Approach 3: Analog signal from
beeper (beeper (SucceededSucceeded))
2) Build circuit2) Build circuit
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Accu Chek Compact Plus beeper
Current StatusCurrent Status• Similar to Accu Chek Compact – but has beeper to signify the results
e.g – ‘2’ will have two beeps
• The signal we obtained from Accu Chek Compact Plus is from the beeper
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Current StatusCurrent Status
We are now trying We are now trying to rectify the to rectify the signal and convert signal and convert it into a digital it into a digital signal that could signal that could be used for our be used for our speech chip.speech chip.
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Block diagram
Speech ICMicroprocessorA/D SpeakerBeeper
Glucose monitor
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Future workFuture work
Program the Program the microprocessormicroprocessor
Build voice boxBuild voice box
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BudgetBudget
Accu Chek Compact Plus - $22Accu Chek Compact Plus - $22 Microprocessor(HC12) + Microprocessor(HC12) +
Developmental board - $100Developmental board - $100 Plastics - $15Plastics - $15 Total = Total = $137$137
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Price ComparisonPrice Comparison Current available talking blood glucose monitorCurrent available talking blood glucose monitor
Accu Chek VoicemateAccu Chek Voicemate $600$600
SensocardSensocard $300$300
Ultra One Touch + Ultra One Touch + VoiceboxVoicebox
$295$295
Our blood glucose monitorOur blood glucose monitor $137$137
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TimelineTimelineDecemberDecember Research existing products Research existing products
and clients' needsand clients' needs Produce initial ideaProduce initial idea Compile resources and Compile resources and
materials neededmaterials needed Cost assessmentCost assessmentJanuaryJanuary Review existing materialsReview existing materials Design prototypeDesign prototype Development of prototypeDevelopment of prototype
FebruaryFebruary Development of prototype Development of prototype
(continued)(continued) Test prototypeTest prototype
MarchMarch Assess problems and Assess problems and
failuresfailures Redesign and modificationRedesign and modification Changes to prototypeChanges to prototype
AprilApril Compile and present Compile and present
design poster and final design poster and final resultsresults
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Questions?