Engineers developed the first bioelectronic implant with remote magnetic control, which can relieve pain and stimulate neurons in patients with epilepsy or Parkinson.
Existing stimulation methods such asUltrasound, electromagnetic and optical radiation, inductive coupling, can cause tissue heating or be weakened by hair, skin, bones, and muscles. So researchers at Rice University created a tiny chip that achieves the same effect through a safe magneticfields.
The device, called MagNI, consists ofa magnetoelectric converter in the form of a 2x4 mm film, a CMOS chip, and a capacitor for temporary energy storage located on a flexible polyimide substrate.
This design allows you to transfer energy to the chip from an alternating magnetic field outside the body and remotely configure its operation.
The team successfully checked the long-term reliability of the device, and also tested the correctness of its operation on the hydra, causing contractions in the creature upon contact.
Let us recall that recently scientists also inventedthe first artificial neurons on low-power chips that behave just like real ones and allow the creation of medical devices for the treatment of neurodegenerative diseases.
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