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Personal Medical Monitor. Jason Ewing, Morgan Hinchcliffe , Dina Irgebayeva and Aida Kulmambetova. 1. Problem Situation. Heart disease, cancer, and diabetes are chronic diseases affecting 90 million Americans’ quality of life
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Personal Medical Monitor Jason Ewing, Morgan Hinchcliffe, Dina Irgebayeva and Aida Kulmambetova
1. Problem Situation • Heart disease, cancer, and diabetes are chronic diseases affecting 90 million Americans’ quality of life • Almost 80% of Americans have one chronic disease, while over 50% are affected by more than two • System to be developed should be portable, cost no more than $200 per unit and put into operation in 6 months (Source: CDC, National Center for Health Statistics)
2. Customer Requirements • Easy to use • Low maintenance • Low cost • Provide continuous care anytime, 24 hours a day • Wide range coverage • Reliable • Emergency contact Design Statement • Provide timely access to a patient's health status to improve the patient's quality of life and reduce healthcare cost
3. Derived Requirements I/O Requirements: • Collects health-specific metrics from devices and sends to them to server Technical Requirements: • 2.4 GHz wireless systems, sensors and GPS location tracking transmitting to a server with online accessible database Performance Requirements: • If the vitals or tracking information is out of the safe range or emergency button is pressed specified signal to be sent to server through a 240 kb/s network • Packages of data should be sent to server every 1 hour while there is no emergency case Cost Requirements: • The cost of development for the implementable system design is less than $44,000 Trade Off Requirements: • System lifetime is 5 years TestRequirements: • Collect data from sensors every 10 sec with the accuracy ±0.05%
4. Use Case Model GPS Location Emergency Dispatch Monitor Blood Pressure Analyze Data Heart Rate 3rd-Party Caretaker Graphic User Interface Emergency Button
5. Concept Exploration • Alternative System Design: • Place elderly person in nursing home • Hire stay at home nurse • Connect patient up to conventional vitals monitoring devices • Evaluation Criteria: • Leads to lack of independence, causes depression • Extremely costly and similar problems to (1) • Limits mobility and uncomfortable • Do Nothing Alternative: • Increase chances of injury and slower response time to emergencies