Nanodevice Arrays for Peripheral Nerve Fascicle Activation Using Ultrasound Energy-Harvesting

Donohoe, Michael and Jennings, Brendan and Jornet, Josep Miquel and Balasubramaniam, Sasitharan (2017) Nanodevice Arrays for Peripheral Nerve Fascicle Activation Using Ultrasound Energy-Harvesting. IEEE Transactions on Nanotechnology, 16 (6). pp. 919-930. ISSN 1536-125X

Full text not available from this repository. (Request a copy)

Abstract

We propose the use of wireless, energy harvesting, implanted nanodevice arrays with electrodes for selective stimulation of peripheral nerves in the human body. We calculate the input ultrasound energy and harvested power for single fixed-size nanowire-based nanodevices at different tissue depths and compare these with the current and voltage levels required for peripheral neural stimulation. We model the dimensioning of arrays of nanodevices, embedded in biocompatible tissue patches, to meet these neural stimulation requirements. Selectivity of activation of particular nerve bundles requires that the output voltage and current of the array can be varied to increase or decrease penetration into the neural tissue. This variation can be achieved by changing the energized area of the array and/or by decreasing the incident ultrasound power. However, the array must be implanted horizontally relative to the incident ultrasound as any tilting of the nanodevices will reduce the harvested energy. The proposed approach provides a longer-term implant solution for nerve stimulation that allows the patient greater freedom of movement than with embedded tethered electrodes.

Item Type: Article
Additional Information: Publisher Copyright: © 2002-2012 IEEE.
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/1700/1706
Departments or Groups:
Depositing User: Admin SSL
Date Deposited: 19 Oct 2022 23:01
Last Modified: 25 Jul 2023 05:50
URI: http://repository-testing.wit.ie/id/eprint/3604

Actions (login required)

View Item View Item