NDLI: An intrafascicular electrode with integrated amplifiers for peripheral nerve recording

Content Provider	IEEE Xplore Digital Library
Author	Kian Ann Ng Cutrone, A. Bossi, S. Sudip Nag Delgado-Martinez, I. Sheshadri, S. Poulard, C.A. Yong Ping Xu Shih-Cheng Yen Thakor, N.V.
Copyright Year	2015
Description	Author affiliation: SiNAPSE, Singapore, Singapore (Kian Ann Ng; Sudip Nag; Delgado-Martinez, I.; Sheshadri, S.; Yong Ping Xu; Shih-Cheng Yen; Thakor, N.V.) \|\| Ecole Super. de Phys. et de Chim. Industrielles de la ville de Paris, Paris, France (Poulard, C.A.) \|\| Biorobotics Inst., Scuola Superiore Sant'Anna, Pontedera, Italy (Cutrone, A.; Bossi, S.)
Abstract	Thin-film longitudinal intrafascicular electrodes (tf-LIFE) are widely used for peripheral nerve recordings. tf-LIFEs are also promising electrodes for neural signal acquisition in future peripheral nerve prostheses. However, common mode signal interference, and electrical artifacts originating from long wire leads and wire movement are known problems encountered when using such electrodes, which lead to degradation in the recording quality. Here, we report an active tf-LIFE electrode implemented by integrating a neural amplifier chip die in close proximity to a tf-LIFE electrode. Consuming only 1mW and measuring 37 mm×7.2 mm×2.4 mm, this active tf-LIFE electrode creates a reliable connection and considerably shortens the distance between the electrode site and neural amplifier. This active electrode has demonstrated repeatable in-vivo recordings of compound action potentials from the rat sciatic nerve. Our results show that this electrode is suitable for repeated in-vivo recordings of compound action potentials from nerves in applications such as peripheral and visceral nerve interfaces that require low-noise stable nerve recordings.
Starting Page	394
Ending Page	397
File Size	2101441
Page Count	4
File Format	PDF
ISBN	9781467363891
DOI	10.1109/NER.2015.7146642
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-04-22
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Integrated circuits Encapsulation Electric potential Current measurement Wires Interference
Content Type	Text
Resource Type	Article

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