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Journal : TEKNIK

Rancang Bangun Kanula Hidung Aliran Tinggi dilengkapi Sistem Humidifikasi untuk Hipoksemik Akut Ernia Susana; Indah Nursyamsi Handayani; Agus Komarudin
TEKNIK Vol. 43, No. 3 (2022): December 2022
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v43i3.42888

Abstract

High-Flow Nasal Cannula (HFNC) is a non-invasive oxygen therapy device that aids in administering high-flow oxygen to patients with acute respiratory distress syndrome. Since the end of 2019, the worldwide demand for HFNC devices has risen dramatically because of the Covid-19 outbreak. Multiple studies have endorsed HFNC as a treatment strategy for individuals in the early infection phase (stage 1) until they enter the pulmonary phase (pulmonary phase). Therefore, in anticipation of the need for these devices, the Indonesian Ministry of Health encourages the development of HFNC as a step towards self-sufficiency in domestic medical device products. This article describes the design of an HFNC prototype based on components accessible on the local market and a software system based on open source. The research design uses engineering design. The HFNC device is intended to create a fraction of inspired oxygen (FiO 2) in the range of 30-100%, which is regulated by two settings: oxygen flow rate and compressed air. The test results demonstrate that the FiO 2 correction value satisfies the HFNC product test method requirements of less than 5% Oxygen for every air flow rate and compressed air setting. In addition, the airflow rate measurement meets the threshold value of 60 lpm. Based on testing using performance measurement tools, it can be concluded that the HFNC design can be used as a therapeutic tool for acute hypoxia.
Rancang Bangun Alat Pemantau Kesehatan Perorangan untuk Deteksi Dini Silent Hypoxia Kuswoyo, Heri; Susana, Ernia; Tjahjadi, Hendrana
TEKNIK Vol. 43, No. 1 (2022): May 2022
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v43i1.42752

Abstract

Silent hypoxia in Covid-19 patients and symptoms of severe hypoxemia require appropriate treatment. These cases often appear asymptomatic but risk fatal to life-threatening. One of the recommended devices is pulse oximetry. Embedded systems technologies and the Internet of Things (IoT) can develop low-cost personal health monitoring devices. This study developed a pulse oximetry prototype integrated with a digital temperature sensor and equipped with the interpretation results of both "normal" and "hypoxic" conditions. It is called OxyTemp. IoT technologies monitor user conditions remotely using the Blynk application via mobile phones. This study used Research & Development with the Reverse engineering method. The OxyTemp has Different types of prototype testing are physical and functional inspection, electrical safety testing, and performance testing of each parameter using an appropriate calibrator. The working method refers to SK Direktur Jenderal Pelayanan Kesehatan Tahun 2018 No. 041-18 on Pulse Oximeter Testing Working Methods.