VITAL SINGS MONITORING THROUGHT INTERNET

Oxygen saturation percentage

SpO2 sensor model DS-100A

by Nellcor & Co.

Heart rate

Temperature

LM-92 sensor

by National Semiconductors

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

Sensors

Signal Acquisition

Communication with computer

Signal Analysis

Software programming

Telecommunications

PIC16F874A

Analog to digital converter with 10
bits resolution in eight input channels

synchronous serial port SSP supporting
I2C in salve and master models

RS-232 serial port for computer communication

Set of testes based on two scenes

UDLA-P electronics laboratory

UDLA-P clinic

LabView 8.0

Device communicates

I2C protocol

Microcontroller

PIC16F874

Port

RS-232

Vital Sings

Heart Rate

Respiratory Frecuency

Blood Pressure

Temperature

Electronic instrumentation

Pulse Oxymetry

continuous and non
invasive way

Specrtophotometry

studies the interaction
between electromagnetic
radiation and matter

Beer Law

A=lg(Io/I)=ECL

Pulse Oxymeter Operation

R=(AC red/DC red)/(AC ir/DC ir)

LabView

is a graphic programming lenguage
focused on the measurement, control
and automation of processes.

four stages

data acquisition from serial port

data analysis

data display

telecommunications