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Fall detection solutions for improving safety of elderly citizens

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  1. 1. Fall detection solutions for improving safety of elderly citizens - SensorBand project Timo Jämsä and Maarit Kangas Department of Medical Technology Institute of Biomedicine University of Oulu and the SensorBand Consortium
  2. 2. Partners 3.6.2010 © Jämsä et al
  3. 3. SensorBand I (2006-2007) <ul><li>University of Oulu, Dept. Med. Tech </li></ul><ul><li>Methods for identifying fall events with </li></ul><ul><li>body-attached accelerometer(s) </li></ul><ul><li>Luleå University of Technology </li></ul><ul><li>Real-Time Embedded Systems Design </li></ul><ul><li>System Level Power Management </li></ul><ul><li>Meri-Lappi Institute, University of Oulu </li></ul><ul><li>Component reliability and failure analysis </li></ul><ul><li>Kalix Electropolis AB </li></ul><ul><li>CareTech AB </li></ul><ul><li>National Semiconductor Finland Oy </li></ul><ul><li>Elektrobit Wireless Communications </li></ul>Body-attached real-time sensor for fall detection Wireless technology, service platforms for older adults 3.6.2010 © Jämsä et al
  4. 4. SensorBand II (2008-2011) <ul><li>University of Oulu, Dept. Med. Tech </li></ul><ul><li>Fall detection validation, fall mechanism </li></ul><ul><li>Luleå University of Technology </li></ul><ul><li>Development of fall detection system </li></ul><ul><li>Fall epidemiology, f all detection validation </li></ul><ul><li>University of Oulu, Kemi-Tornio Unit </li></ul><ul><li>Quality of system (components) </li></ul>Research Technology Kalix Electropolis AB, CareTech AB Development of fall detection system Quality of system National Semiconductor Finland Oy Quality of system (components) Oulu Deaconess Institute, ODL User platform in Finland Kalix municipality User platform in Sweden Real-life test 3.6.2010 © Jämsä et al
  5. 5. SensorBand II Financiers EU ERDF / Interreg IV A North program Regional Council of Lapland The County Administrative Board of Norrbotten Norrbotten County Council Norrbottens Forskningsråd Kalix municipality Kemin Digipolis Oy CareTech AB National Semiconductor Finland Oy Luleå University of Technology 3.6.2010 © Jämsä et al
  6. 6. Falls – challenging care & technology <ul><li>The earlier the fall is reported, the lower is the rate of morbidity-mortality </li></ul><ul><li>The use of automatic fall detectors decreases the fear of falling and improves the independence and the security </li></ul><ul><li> Increases the quality of life </li></ul><ul><li>Older adults are ready to use applications (acceptance) </li></ul>3.6.2010 © Jämsä et al
  7. 7. Fall detection concept <ul><li>Fall detection using a triaxial accelerometer worn at the waist </li></ul><ul><li>Simple threshold-based algorithms </li></ul><ul><li> Fall detection sensitivity of 97% and specificity of 100% in laboratory environment </li></ul><ul><li>Kangas et al . Proc. IEEE EMBS 2007, </li></ul><ul><li>Kangas et al . Gait Posture 2008, Gait Posture 2009 </li></ul>Impact (SV TOT ) + end posture (z-axis) 3.6.2010 © Jämsä et al
  8. 8. SensorBand II <ul><li>Purpose: Test SensorBand fall detector in real life environment </li></ul><ul><ul><li>Long-term (~6-9 months) validation for fall detector prototype in real-life environment (e.g. residential home) with reasonable number (>30) of end-users (older adults) </li></ul></ul><ul><li>Goals </li></ul><ul><ul><li>Develop and build fall detection system for tests (software/hardware) </li></ul></ul><ul><ul><li>Verify functionality of the system </li></ul></ul><ul><ul><li>Check quality and reliability of the system </li></ul></ul><ul><ul><li>Make research on activity and falls among elderly </li></ul></ul>3.6.2010 © Jämsä et al
  9. 9. <ul><li>The sensor is built in a special designed plastic housing and contains following main functions </li></ul><ul><li>Battery, lifetime approx. 1 year </li></ul><ul><li>Radio signal transceiver </li></ul><ul><li>Accelerometer and microcontroller with sophisticated software </li></ul><ul><li>Manual alarm trigger </li></ul><ul><li>  </li></ul>Sensor design 3.6.2010 © Jämsä et al
  10. 10. <ul><li>Wireless communication with sensors </li></ul><ul><li>Connects to the Internet </li></ul><ul><li>Always ”on-line” and connected to the database </li></ul><ul><li>Lifestyle and fall monitoring </li></ul><ul><li>Speech communication </li></ul><ul><li>Prepared for e-health and more …… </li></ul>Fall detector Wrist trigger Smoke detector E-health detectors The residential home gateway CareIP ® 3.6.2010 © Jämsä et al ®
  11. 11. Database System solution for the field trial 3.6.2010 © Jämsä et al
  12. 12. The SensorBand group Timo Jämsä, Maarit Kangas, Raija Korpelainen, Petteri Viramo, Kari Remes Lars Nyberg, Irene Wikman, Jimmie Wiklander, Per Lindgren Peter Wallström, Peter Nilsson, Anders Lundbäck Arto Brushane, Anders Högström, Jerry Lindblom Additional information on the booth #908
  13. 13. 3.6.2010 © Jämsä et al