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All Journal Frontiers in Community Service and Empowerment Jurnal Teknokes
Setioningsih, Endang Dian
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Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Electrical & Electronics Engineering Engineering Environmental Science Nursing Other

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Enhancing Laboratory Efficiency: A Community Service Program for Centrifuge Maintenance at Randegansari Husada Hospital Setioningsih, Endang Dian; Sumber; Setiawan, Singgih Yudha; Lusiana
Frontiers in Community Service and Empowerment Vol. 4 No. 1 (2025): March
Publisher : Forum Ilmiah Teknologi dan Ilmu Kesehatan (FORITIKES)

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The community service program conducted by Poltekkes Kemenkes Surabaya aimed to address the problems associated with equipment maintenance at the Randegansari Husada Hospital, focusing on its centrifuge equipment in the laboratory. The program included counseling and provided practical assistance to the hospital staff, preparing them with the knowledge and skills for the proper maintenance of equipment. Activities covered recording the specification data of the centrifuge units, damage detection, performance improvement using a preventive maintenance program, and performance testing using a digital tachometer. The calibration process also proved a centrifuge relative error of 1.37% at 3000 RPM within the acceptable error limit of 10%. Verification in time, at 300 seconds, resulted in a relative error of 4.89%, also within acceptable limits. Such efforts go a step further to ensure that the centrifuge works well in contributing toward better diagnostic accuracies. The program took a portion of this staffing challenge when it embarked on the training of a medical laboratory technician, insisting that improved and sustained equipment reliability meant improved health service delivery. These would then increase at the hospital to limit malfunctioning of equipment for overall quality care
Analysis of the Accuracy of Differential Pressure Sensor in a Portable Spirometry with FVC, FEV1 and PEF Parameters Nopriyandi, Nopriyandi; Hari Wisana, I Dewa Gede; Setioningsih, Endang Dian; Rizal, Achmad
Jurnal Teknokes Vol. 17 No. 3 (2024): September
Publisher : Jurusan Teknik Elektromedik, Politeknik Kesehatan Kemenkes Surabaya, Indonesia

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Accurate measurement of lung function is essential for diagnosing and monitoring respiratory diseases such as chronic obstructive pulmonary disease (COPD), asthma, and cystic fibrosis. Traditional spirometry methods often face challenges related to accuracy and sensitivity, which can lead to misdiagnosis and inappropriate treatment. This study aims to evaluate the performance of the DF-Robot differential pressure sensor as a portable spirometry tool, focusing on key parameters including Forced Vital Capacity (FVC), Forced Expiratory Volume in 1 second (FEV1), and Peak Expiratory Flow (PEF). The research was conducted at the Surabaya Electromedical Engineering Department, utilizing a pre-experimental design with a single group. The DF-Robot sensor's output was compared against a Hans Rudolph 5530 Syringe Calibrator to determine its accuracy. Data collection involved three different tube sizes, with ten repetitions for each size using the calibrator, and five repetitions with human subjects to assess real-world applicability. Results indicated that the DF-Robot sensor demonstrated high accuracy, with the smallest tube size yielding a minimal error of 0.9%. In contrast, larger tube sizes resulted in significantly higher error rates, with the largest tube showing an error of 33%. The study concluded that the DF-Robot differential pressure sensor is a promising alternative for portable spirometry applications, providing reliable measurements of lung function parameters. The findings underscore the importance of sensor selection in spirometry, as theaccuracy of measurements directly impacts patient diagnosis and treatment. This research contributes valuable insights intothe development of portable spirometry devices, potentially enhancing the diagnostic capabilities for respiratory diseases andimproving patient outcomes in clinical practice. Future studies should explore further refinements in sensor technology andmethodologies to optimize spirometry accuracy and reliability.
Pulmonary Sound Design Using Max 9814 Sensor with Nextion View Febrianti, Fani; Setioningsih, Endang Dian; Utomo, Bedjo; sumber, sumber
Jurnal Teknokes Vol. 16 No. 3 (2023): September
Publisher : Jurusan Teknik Elektromedik, Politeknik Kesehatan Kemenkes Surabaya, Indonesia

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This study aims to develop a tool that can assist nurses in examining patients by displaying sounds and signals on a TFT LCD screen. This tool uses the MAX 9814 sound sensor, which converts sound into an electrical signal. This sensor will generate a voltage when the diaphragm inside it moves back and forth. To design this tool, researchers used a series of high pass filters and low pass filters with a cut-off frequency of 333 Hz - 714 kHz. During testing of this tool using the MAX 9814 sensor mounted on a stethoscope, the signal appears stable on the TFT LCD screen and sound can be played properly. However, if the placement of the stethoscope is not correct during the examination, this can also affect the signal and sound produced. This tool should not produce a clear and loud sound when checking, because if this happens, the inspection cannot be carried out optimally. This research also produces a signal shape that is almost similar to the signal on the phantom. It is important to note that the MAX 9814 can work optimally if it is not exposed to environmental noise. Therefore, if this equipment is used in a noisy environment, the signal and sound produced may be disturbed by environmental noise. This research was conducted with the aim of making it easier for doctors and nurses to carry out portable examinations, as well as to monitor signals and sounds easily.
Co-Authors Achmad Rizal Febrianti, Fani Hamzah, Torib Hamzah I Dewa Gede Hari Wisana Lusiana Nopriyandi, Nopriyandi Setiawan, Singgih Yudha Sumber Sumber, Sumber Utomo, Bedjo