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Royan -, Royan
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PENGEMBANGAN SIMULATOR FETAL BERBASIS KONTROL SUARA UNTUK PENGUJIAN ALAT FETAL DOPPLER -, Royan; Mukti Wibowo, Kusnanto; Latif, Abdul; Ishartomo, Farid; Tirta Nadi, Danu; Mulyanto, Arif; Rofiqoch, Isnaeni
Jurnal Ilmiah Poli Rekayasa Vol 21, No 1 (2025): Oktober
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.21.1.424

Abstract

Fetal Doppler is a diagnostic tool to detect fetal heart rate in BPM (beats per minute). Like other medical devices, it must be calibrated periodically by a health facility testing center, as stated in the Regulation of the Minister of Health of Indonesia Number 54 of 2015 article 4 paragraph 1. Article 8 paragraph 1 explains that testing or calibration of medical devices is carried out periodically at least once a year. In addition, testing must be carried out after repairs to medical devices as stated in SNI IEC 62353 of 2014. In addition to testing and calibration, medical devices need to be maintained and tested for function. Therefore, a fetal doppler simulator is needed by medical device technicians to test the function of the fetal doppler. The innovation made on this device is that the simulator is connected to a smartphone with the aim of minimizing electronic components, eliminating settings with buttons and replacing them with Voice Control on the smartphone. This fetal doppler simulator is successfully designed well, it can simulate fetal heart rate from 60-240 BPM with error value of 0% at settings of 90,120,150,180, and 240 BPM. While at setting 60 BPM there is an error value of 1.6%. This simulator is suitable for use as a reference for fetal doppler function test because the error value is below the tolerance of ±5 for BPM on fetal Doppler.
PERANCANGAN DAN IMPLEMENTASI ALAT PENGECEKAN KABEL NURSECALL BERBIAYA RENDAH SEBAGAI ALTERNATIF MULTIMETER Latif, Abdul; Mukti Wibowo, Kusnanto; -, Royan
Jurnal Ilmiah Poli Rekayasa Vol 21, No 1 (2025): Oktober
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.21.1.426

Abstract

Cables in nurse call systems generally have considerable length and are distributed across multiple installation points, making them vulnerable to faults such as broken wires, loose connections, or continuity problems. These conditions can disrupt communication between patients and medical staff, potentially reducing the quality of healthcare services. Therefore, checking cable continuity before and after the installation process is a crucial step to ensure that each line is properly connected and that the nurse call system operates optimally and reliably. This study designs and tests a low-cost prototype device for checking the continuity of nurse call cables, consisting of two modules: Device A as a 9-volt power source and Device B as a two-line LED-based indicator. The novelty of this research lies in the use of a simple non-microcontroller circuit with direct visual indicators, specifically designed for on-site nurse call cable inspection as a practical alternative to conventional multimeters. The research method includes circuit design, prototype development, and field testing on cables with various length variations, followed by a functional comparison with conventional testing methods. The test results indicate that the device is capable of reliably detecting cable conditions through LED indicators that turn on or off during each test, with a high level of consistency. In addition, its low production cost and ease of use provide practical contributions for technicians involved in the installation and maintenance of nurse call systems, particularly in field conditions that require fast and efficient inspection.
Co-Authors Abdul Latif Arif Mulyanto, Arif Farid Ishartomo Kusnanto Mukti Wibowo Rofiqoch, Isnaeni Tirta Nadi, Danu