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

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

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

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.

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

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.

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

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

Proposed DesignProposed Design

+ Voice Box +Blood

Glucose Monitor

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

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

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.

Block diagram

Speech ICMicroprocessorA/D SpeakerBeeper

Glucose monitor

Future workFuture work

Program the Program the microprocessormicroprocessor

Build voice boxBuild voice box

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

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

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

Questions?