17-11-2012, 05:28 PM
WEARABLE BIOSENSORS
[attachment=40077]
WEARABLE SENSORS
Wireless miniature sensors
Allow monitoring of physiological signals.
Used for diagnosis and treatment of diseases.
Recorded data can be processed to detect patient’s
clinical situation
RING SENSOR
Monitor heart rate and oxygen saturation
Equipped with low power transceiver
Accomplishes bi-directional communication
with a base station
WORKING PRINCIPLE
Blood volume in the finger changes with the heart muscle
expansion and contraction.
This blood volume changes can be easily detected by photoelectric
methods.
Light emitted from LED is passed through finger and is directed to
Photoresistor.
Optical density of blood depends on the blood volume.
If the blood volume increases, optical density increases, light
transmission through finger reduces & the resistance of photo
resistor increases.
Thus the voltage generated by photo resistor varies with the
amount of blood in the finger.
APPLICATIONS
Catastrophic Detection:
-wireless supervision of people during hazardous
operations.
Chronic medical condition:
-monitoring the hypertension in cardiovascular
disease
-chronic surveillance of abnormal heart failure
CONCLUSION
The ring sensor and smart shirt are an effective,
comfortable, and mobile information infrastructure
that takes the advantage of telemedicine and
information processing.
It is expected that the smart shirt leads to the
realization of “Affordable Healthcare, Any place,
Anytime, Anyone”.
[attachment=40077]
WEARABLE SENSORS
Wireless miniature sensors
Allow monitoring of physiological signals.
Used for diagnosis and treatment of diseases.
Recorded data can be processed to detect patient’s
clinical situation
RING SENSOR
Monitor heart rate and oxygen saturation
Equipped with low power transceiver
Accomplishes bi-directional communication
with a base station
WORKING PRINCIPLE
Blood volume in the finger changes with the heart muscle
expansion and contraction.
This blood volume changes can be easily detected by photoelectric
methods.
Light emitted from LED is passed through finger and is directed to
Photoresistor.
Optical density of blood depends on the blood volume.
If the blood volume increases, optical density increases, light
transmission through finger reduces & the resistance of photo
resistor increases.
Thus the voltage generated by photo resistor varies with the
amount of blood in the finger.
APPLICATIONS
Catastrophic Detection:
-wireless supervision of people during hazardous
operations.
Chronic medical condition:
-monitoring the hypertension in cardiovascular
disease
-chronic surveillance of abnormal heart failure
CONCLUSION
The ring sensor and smart shirt are an effective,
comfortable, and mobile information infrastructure
that takes the advantage of telemedicine and
information processing.
It is expected that the smart shirt leads to the
realization of “Affordable Healthcare, Any place,
Anytime, Anyone”.