VITAL SINGS MONITORING THROUGHT INTERNET
VIRTUAL INTRUMENTATION
LabView
four stages
telecommunications
data display
data analysis
data acquisition from serial port
is a graphic programming lenguage
focused on the measurement, control
and automation of processes.
PROJECT STAGES
Electronic instrumentation
Pulse Oxymetry
Pulse Oxymeter Operation
R=(AC red/DC red)/(AC ir/DC ir)
continuous and non
invasive way
ANTECEDENTS
Vital Sings
Blood Pressure
Respiratory Frecuency
Heart Rate
INTERFACE
Port
RS-232
Microcontroller
PIC16F874
Device communicates
I2C protocol
LabView 8.0
TESTS AND RESULTS
Set of testes based on two scenes
UDLA-P clinic
UDLA-P electronics laboratory
DATA ADQUISITION
PIC16F874A
RS-232 serial port for computer communication
synchronous serial port SSP supporting
I2C in salve and master models
Analog to digital converter with 10
bits resolution in eight input channels
DEVELOPED
Telecommunications
Software programming
Signal Analysis
Communication with computer
Signal Acquisition
Sensors
FINAL OBJECTIVE
Being a good help for cases when for any reason
the patient must be out of a controlled environment
with pleople dedicated to his care
VITAL SINGS OF PATIENT
Temperature
LM-92 sensor
by National Semiconductors
Heart rate
Oxygen saturation percentage
SpO2 sensor model DS-100A
by Nellcor & Co.
