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Accessible Home Vital Signs Monitoring System

Designing an accessible, cost-effective at-home vital signs monitoring system to transmit medical information with user-friendly software. Targeting elderly with varying disabilities.

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Accessible Home Vital Signs Monitoring System

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  1. Accessible Home Vital Signs Monitoring System Group 22 BME 272 Kristyn Eilertsen Adam Goodale Stephen Kepper Sunil Narayan Stacey Tarver

  2. National Student Design Competition • Sponsored by Rehabilitation Engineering Research Center on Accessible Medical Instrumentation • Problem: Increase in healthcare costs require the need for medical tasks to be moved into the home • Aim: Design an affordable, at-home vital signs monitoring system, that can transmit medical information • Specs: collect 4-6 vital signs, store/retrieve data, easy to use, accessible at home

  3. Project Background • The growing number of elderly people means even more stress will be placed on emergency rooms • Currently at home vital systems or personal nurses are too expensive for everyone to use

  4. Changing the Face of Healthcare • Number of hospital emergency departments cut by 14% in 2005 • ER visits reached a record high of 114 million, consisting primarily of the uninsured and elderly • US 65-and-over population has risen 9.6% over that same time period

  5. Why target the elderly? • ER visits by Americans age 65 and over rose 26% in 2003 • Medicaid patients were four times more likely to seek treament in an ER than those with private health insurance • Nursing home residents age 65-74 were five times more likely to visit the ER than non institutionalized seniors

  6. Patient Challenges • Must accommodate patients with varying disabilities • Blind • Deaf • Elderly • Bed ridden • Motor movement challenged • Little technology experience

  7. User friendly Cost effective Visual usage Audio usage Large responsive user interface Compact Aesthetically pleasing Fast response Telemedicine Requirements

  8. Components • Multimodal home vital signs monitoring system • Body temperature • Weight • Blood pressure • Heart rate • Respiration rate • Computer Blood pressure Weight scale Temperature Breathing rate Heart rate

  9. Sensor Range and Accuracy • Vernier Sensors • Very accurate • Inexpensive Sensors • Blood Pressure Sensor • Range: 0-250mm Hg, Accuracy: +/- 3mm Hg • Force Plate • Range: 0 – 1000lb, Accuracy: +/- 0.25lb • Temperature Probe • Range: -40C to 135C, Accuracy: +/- 0.2-0.5C • Breathing Rate • Range and Accuracy: Contact Vernier • Heart Rate Monitor • Range and Accuracy: Contact Vernier

  10. Top Competitors • Philips SureSigns VS1 Vital Sign Monitor ~ $1982.70 • GE DINAMAP ProCare 120 Monitor ~ $1821.50 • Does not include weight measurement, data storage, or emailing capability • Device is heavy, difficult to read, and requires some training to use (i.e. Not designed for use by elderly)

  11. Package Costs • Premium Package • (computer, program, and all five sensors) ……………$1,051 • Sensor Only Package • (all five sensors and program only)……………………..$612 • Vital Sign Package • (heart rate, breathing rate, and blood pressure only)…$384

  12. Our Product’s Advantages • Can be compartmentalized to address patient’s specific needs • Less than half the cost with full functionality • Capable of automated communication with Doctor or health professional • Designed specifically for the elderly

  13. Software Component • Computer Program • Stand alone program • Compilation of Matlab and Microsoft Visual C++ • Large, easy-to-use graphic user interface (GUI) • Voice response capabilities • Communicates both results and directions

  14. Data Acquisition • Program communicates with sensor • via USB • sets sampling rate, collects and stores data • Displays results to patient • Stores data • Saved as date and time

  15. Telemedicine • Emailing Results • Program creates email with attached results • Uses stored patient and doctor email address in setup screen • Ability to retrieve and send past results • Security protected through username and password

  16. Conclusion • In the near Future…. • Continue formatting C++ and Matlab code • Integrate sensors • Test sensor quality • Compare to actual medical devices • Create stand alone computer program

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