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01.07.2016 | Systems-Level Quality Improvement | Ausgabe 7/2016

Journal of Medical Systems 7/2016

Design and Construction of a Microcontroller-Based Ventilator Synchronized with Pulse Oximeter

Zeitschrift:
Journal of Medical Systems > Ausgabe 7/2016
Autoren:
Adem Gölcük, Hakan Işık, İnan Güler
Wichtige Hinweise
This article is part of the Topical Collection on Systems-Level Quality Improvement.

Abstract

This study aims to introduce a novel device with which mechanical ventilator and pulse oximeter work in synchronization. Serial communication technique was used to enable communication between the pulse oximeter and the ventilator. The SpO2 value and the pulse rate read on the pulse oximeter were transmitted to the mechanical ventilator through transmitter (Tx) and receiver (Rx) lines. The fuzzy-logic-based software developed for the mechanical ventilator interprets these values and calculates the percentage of oxygen (FiO2) and Positive End-Expiratory Pressure (PEEP) to be delivered to the patient. The fuzzy-logic-based software was developed to check the changing medical states of patients and to produce new results (FiO2 ve PEEP) according to each new state. FiO2 and PEEP values delivered from the ventilator to the patient can be calculated in this way without requiring any arterial blood gas analysis. Our experiments and the feedbacks from physicians show that this device makes it possible to obtain more successful results when compared to the current practices.

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