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All Journal TEKNIK SANITAS: Jurnal Teknologi dan Seni Kesehatan
Agus Komarudin
Poltekkes Kemenkes Jakarta II
Engineering Environmental Science Health Professions Medicine & Pharmacology Public Health

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Optimization of Ultraviolet Sterilization Cabinet by Improving Light Reflection Using Aluminum Foil Atika Hendryani; Wafa' Nabilah; Agus Komarudin
SANITAS: Jurnal Teknologi dan Seni Kesehatan Vol 11 No 2 (2020): SANITAS Volume 11 Nomor 2 Tahun 2020
Publisher : Politeknik Kesehatan Kemenkes Jakarta II

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36525/sanitas.2020.20

Abstract

UV light radiation is the most important thing to sterilize medical devices. Over years studies continue to develop technology for sterilization using UV lights. This study aimed to develop an affordable UV cabinet sterilizer design by optimizing UV light using aluminum foil. The main contribution of this study is that the device can optimize the UV light intensity to whole over the cabinet. For instance, the device was only used two UV lamps as resources. Furthermore, the UV lights reflecting on the aluminum foil surface. To validate the results, the intensity of UV light was measured using a UV analyzer. The intensity was measured at 5 different points inside the device. This study has shown the measurement of UV light intensity at 5 different points were almost similar. The highest intensity was on center point 860 µW/cm^2, on the front area 632 µW/cm^2 and 606 µW/cm^2. On the rear area, the intensities are 630 µW/cm^2 and 670 µW/cm^2. This study improved the UV light intensity by using an aluminum surface to reflect the lights. This study has proven that UV radiation can be maximized by using the aluminum foil as the light reflector.
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.
Co-Authors Atika Hendryani Handayani, Indah Nursyamsi Susana, Ernia Wafa' Nabilah