Transcript Presentation

MIAMI
Medical Instrument Analysis
and Machine Intelligence
www.ece.uwaterloo.ca/~miami
MIAMI
MEMS and Bio-Sensors Team
Innovation and Creativity
Design, manufacture and test:


Bio-sensors
(brainactivity
waves and signals)
Current
Narcolepsy assistive device hardware
MIAMI
MEMS and Bio-Sensors Team
General review of
Narcolepsy assistive device
Objective data collection
Sleep detection
Sleep staging and
Alertness assessment
Data compression and
logging
Trainability
Utilizing technology to
serve patients
Precise data without
Executes
sleep
patient’s intervention
monitoring
andand
detection
Outlines
sleep
algorithmattributes
alertness
Triggers
audible
Aids
in administering
Uploads
data
to and
sensory
wake-up
medication
dozes
physician’s
PC alerts
Adaptable algorithm for
accuracy and reliability
MIAMI
MEMS and Bio-Sensors Team
Hardware Architecture
Sensors
Power
PC
Interface
Transmition
Channel
User
feeback
Processing block
"The Smart Box"
User
Interface
MIAMI
MEMS and Bio-Sensors Team
Sensors


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
Sensors
Processing Unit
User interface
PC interface
Power
MIAMI
MEMS and Bio-Sensors Team
Processing Unit
Tasks:



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
Sensor data acquisition
Sleep monitoring algorithm execution
Data storage
Triggering wake up alerts
Algorithm training and device
adoptation
Data sharing and transmission
Sensors
Processing Unit
User interface
PC interface
Power
MIAMI
MEMS and Bio-Sensors Team
Processing Unit (cont’d)
Two design approaches are considered:


PDA based device
Custom hardware and firmware design
Sensors
Processing Unit
User interface
PC interface
Power
MIAMI
MEMS and Bio-Sensors Team
Processing Unit (cont’d)
Data storage:
 Flash memory cards are the most
appropriate for portable devices
Sensors
Processing Unit
User interface
PC interface
Power
MIAMI
MEMS and Bio-Sensors Team
User Interface


Easy interface built around minimal
controls
Includes:

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
Patient alertness state indicator
Audible and sensory sleep alerts
Other indicators; e.g. power, mode
Sensors
Processing Unit
User interface
PC interface
Power
MIAMI
MEMS and Bio-Sensors Team
PC Interface


Updates physician’s data base
Comprises a one-click docking
station
Sensors
Processing Unit
User interface
PC interface
Power
MIAMI
MEMS and Bio-Sensors Team
Powering the System


Secondary concerns
Available space and power
requirements may discourage
using batteries
Alternative solution:
– Extract power from the human
body’s energy
Sensors
Processing Unit
User interface
PC interface
Power
MIAMI
MEMS and Bio-Sensors Team
Thank you for your
attention
---------------------Ready for your questions
Salam R. Gabran
January 21th, 2005