Magnet-controlled bioelectronic implant could relieve pain

A team of Rice University engineers has introduced the first neural implant that can be both programmed and charged remotely with a magnetic field.

The integrated microsystem, called MagNI (for magnetoelectric neural implant), incorporates magnetoelectric transducers. These allow the chip to harvest power from an alternating magnetic field outside the body.

The team successfully tested the chip’s long-term reliability by soaking it in a solution and testing in air and jellylike agar, which emulates the environment of tissues. In the current generation of chips, energy and information flow only one way, but Yang said the team is working on two-way communication strategies to facilitate data collection from implants and enable more applications.
Author(s)Source
Falk J, Williams MRICE UNIVERSITY News and Media Relations, 19 Feb 2021
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