1. MIAMI Medical Instrument Analysis and Machine Intelligence www.ece.uwaterloo.ca/~miami

2. MIAMI MEMS and Bio-Sensors Team Innovation and Creativity Design, manufacture and test:  Bio-sensors (brain waves and signals)  Narcolepsy assistive device hardware Current activity

3. General review of Narcolepsy assistive device Objective data collection Sleep detection Sleep staging and Alertness assessment Data compression and logging Trainability MIAMI MEMS and Bio-Sensors Team Precise data without patient’s intervention Executes sleep monitoring and detection algorithm Triggers audible and sensory wake-up alerts Outlines sleep and alertness attributes Aids in administering medication dozes Utilizing technology to serve patients Uploads data to physician’s PC Adaptable algorithm for accuracy and reliability

4. Hardware Architecture Sensors Transmition Channel Processing block "The Smart Box" User feeback User Interface PC Interface Power MIAMI MEMS and Bio-Sensors Team

5. Sensors Processing Unit User interface PC interface Power  To be designed according to required stimulants  Design guidelines:  Concealable design to meet physiological constraints  Low power consumption  Designed for noise suppression  Includes signal conditioning circuits; e.g. low noise amplifier MIAMI MEMS and Bio-Sensors Team

6. Processing Unit Tasks:  Sensor data acquisition  Sleep monitoring algorithm execution  Data storage  Triggering wake up alerts  Algorithm training and device adoptation  Data sharing and transmission MIAMI MEMS and Bio-Sensors Team Sensors Processing Unit User interface PC interface Power

7. Processing Unit (cont’d) Two design approaches are considered:  PDA based device  Custom hardware and firmware design MIAMI MEMS and Bio-Sensors Team Sensors Processing Unit User interface PC interface Power

8. Processing Unit (cont’d) Data storage:  Flash memory cards are the most appropriate for portable devices MIAMI MEMS and Bio-Sensors Team Sensors Processing Unit User interface PC interface Power

9. User Interface  Easy interface built around minimal controls  Includes:  Patient alertness state indicator  Audible and sensory sleep alerts  Other indicators; e.g. power, mode MIAMI MEMS and Bio-Sensors Team Sensors Processing Unit User interface PC interface Power

10. PC Interface  Updates physician’s data base  Comprises a one-click docking station MIAMI MEMS and Bio-Sensors Team Sensors Processing Unit User interface PC interface Power

11.  Available space and power requirements may discourage using batteries  Alternative solution: –Extract power from the human body’s energy Secondary concerns Powering the System MIAMI MEMS and Bio-Sensors Team Sensors Processing Unit User interface PC interface Power

12. Thank you for your attention ---------------------- Ready for your questions MIAMI MEMS and Bio-Sensors Team Salam R. Gabran January 21 th, 2005