Implementation of microsystems on flexible substrates has enabled a new class of noninvasive medical devices. Flexible substrates are interfaced with soft tissues without causing damage or discomfort for the users. This will enable noninvasive attachment of medical microsystems to the surface of fragile tissues such as infants’ skin. In this talk, we will introduce two noninvasive medical microsystems on flexible substrates: a smart, wireless, battery-free, chipless patch for detection of cutaneous melanoma and a Band-Aid-like conductive hearing aid for pediatric patients. The patch will be placed on the epidermis layer for detection of abnormality in impedance of skin, and the flexible hearing aid will be attached to an infant’s skin behind the ear to bypass pediatric conductive hearing loss. These technologies will enable early action on melanoma and pediatric hearing loss, avoiding long-term consequences of these diseases.

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Mohammad J. Moghimi, Enosh Lim, Charan Reddy Akula, Hina Imtiaz, and Ellaine Ray, "Noninvasive medical microsystems on flexible substrates," Proc. SPIE 12374, Microfluidics, BioMEMS, and Medical Microsystems XXI, 1237408 (Presented at SPIE BiOS: January 30, 2023; Published: 6 March 2023); https://doi.org/10.1117/12.2657653.