Functional electrical stimulation driver for a werable-based bio-stimulation system
Conference Paper
Overview
Research
View All
Overview
abstract
Electrical stimulation is widely used in clinical applications as an auxiliary treatment
method for muscle injuries or illnesses provoked by muscle atrophy. In most cases, the regular
stimulation systems do not provide the proper flexibility to fit the patient’s needs or do not
provide the freedom of movement due to their size. This paper presents an electrical stimulation
driver based on a MOSFET-Transformer topology controlled by a microcontroller. The circuit
is integrated into a wearable bio-stimulation system that uses dry electrodes and is controlled
by a mobile application. The main system requirements are the stimulation flexibility as well as
the driver size. The circuit must be able to generate stimulation pulses according to the patient
necessity and be small enough to fit a piece of wearable equipment. The pulses are generated by a
microcontroller, controlled by a mobile application, the application sets the pulse parameters such
as width, amplitude, and frequency, and the driver performs the signal conditioning, amplifies,
and generates the output waveform
This work was supported by the European Regional Development Fund (ERDF) through
the Operational Programme for Competitiveness and Internationalization (COMPETE
2020), under Portugal 2020 in the framework of the NanoStim - Nanomaterials for
wearable-based integrated biostimulation (POCI-01-0247-FEDER-045908) project.
