Design and Development of a Therapeutic  Device for Drop Hand Patienst

Rahmatul Yoga Setyawan; Retno Wigajatri Purnamaningsih

doi:10.62146/ijecbe.v2i3.53

Authors

Rahmatul Yoga Setyawan Universitas Indonesia
Retno Wigajatri Purnamaningsih Universitas Indonesia

DOI:

https://doi.org/10.62146/ijecbe.v2i3.53

Keywords:

Drop hand, Passive Exercise, Myoware Muscle Sensor, Electrical Stimulation

Abstract

Drop hand is a condition where a person's wrist or fingers experience difficulty and weakness in performing extension and flexion movements. This paper reports the design and development of a therapeutic device for individuals with drop hand, capable of performing passive training movements, electrical stimulation, and monitoring muscle strength. The device consists of a servo motor (MG995) for passive training movements, an IC NE555 specifically used for stimulation, and a Myoware muscle sensor to monitor muscle strength in the hands of individuals with drop hand. The device is also equipped with a NodeMCU ESP8266 microcontroller that can connect to a WiFi network, allowing muscle sensor readings to be stored in Google Sheets. Initial tests showed that the device could lift weights up to 1 kg, generate electrical stimulation frequencies ranging from 2.75 Hz to 18.2 Hz, and that muscle strength monitoring could be performed in real time.

Author Biographies

Rahmatul Yoga Setyawan, Universitas Indonesia

Department of Electrical Engineering, Faculty of Engineering, Universitas Indonesia, Depok, Indonesia

Retno Wigajatri Purnamaningsih, Universitas Indonesia

Department of Electrical Engineering, Faculty of Engineering, Universitas Indonesia, Depok, Indonesia

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