Electrical characterization of flexible ECG patch

Recording electrical activity is essential to monitor organs such as the heart. It is of the utmost importance to obtain a good quality cardiac signal for medical follow-up and to achieve a better diagnosis of cardiac problems. Currently, wet or commercial Ag/AgCl electrodes are openly accepted in the clinical setting, obtaining a good cardiac signal; however, they present adversities, such as abrasion, allergy, and skin irritation, due to the gel used. Therefore, in recent years, research on dry electrodes has been developed to solve these adversities and put aside the use of gels. However, dry electrodes still have a higher impedance than wet electrodes and are more expensive to produce. 3D printing - an alternative manufacturing method - is faster and lowers costs due to the minimal use of material resources. 3D printing opens up a world of possibilities for creating custom sensors. In this thesis, 3D electrodes based on a conductive material were printed to measure resistance, skin impedance and obtain the cardiac signal. Additionally, the 3D printing conditions and the skin preparation were evaluated during the measurements.

• Autor Principal: Milán Cucurí, Nataly Sabina (author)
• Formato: bachelorThesis
• Idioma: eng
• Publicado: 2022
• Subjects: Electrodos secos; Electrocardiograma; Impedancia de la piel; Impresión 3D; Material conductivo; Dry electrodes; Skin impedance; 3D printing; Conductive material
• Acceso en liña: http://repositorio.yachaytech.edu.ec/handle/123456789/574