Download - Programmable Biofeedback Chest Exerciser
Programmable Programmable Biofeedback Chest Biofeedback Chest
ExerciserExerciserGroup 23:Group 23:
Eileen Bock, Lauren Cassell, Eileen Bock, Lauren Cassell, Margaret Gipson, Laurie McAlexanderMargaret Gipson, Laurie McAlexander
Advisors:Advisors:Douglas Sawyer, M.D., Ph.D.Douglas Sawyer, M.D., Ph.D.
Paul King, Ph.D.Paul King, Ph.D.John Newman, M.D.John Newman, M.D.
Heart Failure and Its Heart Failure and Its TreatmentTreatment
StatisticsStatistics Affects 5 million AmericansAffects 5 million Americans 50% mortality rate within 4 50% mortality rate within 4
years of diagnosisyears of diagnosis
PathologyPathologyHeart doesn’t pump nutrients Heart doesn’t pump nutrients to to tissues efficientlytissues efficientlyHeart can’t develop pressure Heart can’t develop pressure toto eject needed stroke volumeeject needed stroke volume
•Benefits of exercise as Benefits of exercise as treatmenttreatment
•Improves vascular functionImproves vascular function•Improves muscle functionImproves muscle function•Reduces arrythmia riskReduces arrythmia risk
•Benefits of deep breathing Benefits of deep breathing as as exerciseexercise
•Targets muscles of chest Targets muscles of chest wallwall•Not as difficult for patientsNot as difficult for patients
Current DevicesCurrent Devices
Incentive SpirometerIncentive Spirometer Problems: Problems:
Must be stationary Must be stationary
during useduring use Large, awkward shapeLarge, awkward shape
PneumotracePneumotrace Problems:Problems:
Must be lying down for useMust be lying down for use Very complex deviceVery complex device
Current DevicesCurrent Devices
RESPeRATERESPeRATE Problems:Problems:
Must wear headphonesMust wear headphones Must carry additional deviceMust carry additional device
VivoMetrics LifeShirtVivoMetrics LifeShirt Problems:Problems:
Large DeviceLarge Device Uncomfortable to wearUncomfortable to wear Very conspicuousVery conspicuous
Our SolutionsOur Solutions
Will be smallWill be small Can be worn inconspicuously under Can be worn inconspicuously under
clothingclothing Can be worn during dailyCan be worn during daily
activities activities Will be incorporated into Will be incorporated into
a PDAa PDA
ApplicationsApplications
Daily WearDaily Wear Measure breathing rateMeasure breathing rate Measure patient’s compliance Measure patient’s compliance with pre-programmed breathing with pre-programmed breathing exercisesexercises
Exercise WearExercise Wear Measure breathing rateMeasure breathing rate Indicate when the user reaches a proper Indicate when the user reaches a proper
range for beneficial aerobic activityrange for beneficial aerobic activity
ApproachApproach
BridgeBridge Differential Differential
amplifieramplifier Bend SensorBend Sensor Voltage threshold Voltage threshold
detectordetector
RRss/R/R22=R=R33/R/R11
DesignDesign
Needed components:Needed components: Adjustable inelastic Adjustable inelastic
bandband Elastic sectionElastic section Strain gauge/bend Strain gauge/bend
sensorsensor PDA for digital PDA for digital
outputoutput DAQ systemDAQ system Motor for vibrationMotor for vibration
Acquired Acquired components:components:
Voltage sourceVoltage source Low power Low power
Operational Operational AmplifierAmplifier
TestingTesting
Part 1Part 1 10 subjects wear 10 subjects wear
the device for 1 the device for 1 hour eachhour each
Subject will Subject will perform breathing perform breathing exercises and exercises and various common various common activitiesactivities
Subject surveySubject survey
Part 2Part 2 Previous 10 Previous 10
subjects will return subjects will return and wear device and wear device for 3 hoursfor 3 hours
Subject surveySubject survey
TestingTestingPart 3Part 3 Clinical testing: requires another Clinical testing: requires another
IRB protocol submissionIRB protocol submission 2 control groups, 1 experimental 2 control groups, 1 experimental
groupgroup Measure improvement of negative Measure improvement of negative
inspiratory force with incentive inspiratory force with incentive spirometerspirometer
Tidal Volume ExperimentsTidal Volume Experiments
Determine Determine relationship between relationship between chest circumference chest circumference and lung volumeand lung volume
Determine the output Determine the output voltage of the device voltage of the device during a normal and during a normal and a deep breatha deep breath
Measurements used Measurements used to adjust resistor to adjust resistor ratings and gainratings and gain
Expected ResultsExpected Results
Output voltage correlates to lung volumeOutput voltage correlates to lung volume Deep breath threshold will correspond to Deep breath threshold will correspond to
a given output voltagea given output voltage If threshold not reach in a predetermined If threshold not reach in a predetermined
time period, alarm will soundtime period, alarm will sound Expect that the use of this device will Expect that the use of this device will
increase lung capacity and force of increase lung capacity and force of expiration from lungsexpiration from lungs
ResourcesResources
REST1 Impedance Pmeumograph by UFI. REST1 Impedance Pmeumograph by UFI. http://www.ufiservingscience.com/ DSRsp11.htmlhttp://www.ufiservingscience.com/ DSRsp11.html
"How to Use an Incentive Spirometer". The Cleveland Clinic "How to Use an Incentive Spirometer". The Cleveland Clinic Foundation. Foundation. <http://www.clevelandclinic.org/health/health-info/docs/0200/0239<http://www.clevelandclinic.org/health/health-info/docs/0200/0239.asp?index= 4302& src=news>. .asp?index= 4302& src=news>.
"Anaesthesia Products," Lifeline Systems Pvt. Ltd. "Anaesthesia Products," Lifeline Systems Pvt. Ltd. <http://www.lifelinedelhi.com/ catheter-mount.html><http://www.lifelinedelhi.com/ catheter-mount.html>
"RESPeRATE High Blood Pressure and Hypertension." Buyamag. "RESPeRATE High Blood Pressure and Hypertension." Buyamag. <http://www.buyamag.com/high_blood_pressure_hypertension.ph<http://www.buyamag.com/high_blood_pressure_hypertension.php>.p>.
"Smart textiles at Hightex 2005". Hightex 2005. "Smart textiles at Hightex 2005". Hightex 2005. <http://www.hightex2005.com/smart_textiles.htm>.<http://www.hightex2005.com/smart_textiles.htm>.
““Learning to Whistle”. November 2005. Learning to Whistle”. November 2005. <http://learningtowhistle.blogspot.com/2005_11_01_learningtowhi<http://learningtowhistle.blogspot.com/2005_11_01_learningtowhistle_archive.html>.stle_archive.html>.
http://www.answers.com/topic/lung http://www.answers.com/topic/lung