vital sings monitori

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QUALITATIVE AND QUANTITATIVE RESEARCH

by Carlos Arturo Valencia

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.