Inside Precision Medicine March 22, 2024
A battery-free magnetic implant paired with a miniaturized wearable device could one day be used to wirelessly monitor health, early studies suggest.
Chipless implants were able to measure glucose levels, the viscosity of cerebrospinal fluid and intracranial pressure in preclinical experiments conducted in rats.
The implants wirelessly communicated with the wearable device through a magnetic field, researchers report in the journal Science Advances.
The system opens up the possibility of continuous health monitoring without needing transcutaneous wires, integrated circuit chips, or bulky readout equipment, thereby reducing infections, improving biocompatibility, and aiding portability.
“Our miniaturized system presents exciting possibilities for advancing health monitoring,” said lead investigator Mengdi Han, PhD, an assistant professor in the department of biomedical engineering at Peking University.
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