Cited by 230Neuroscience and Neural EngineeringAnalog and Mixed-Signal Circuit DesignWireless Body Area Networks

The DOI matches its Crossref record; 69 of the 70 references it cites were found in a registry or an index.

A mm-Sized Wireless Implantable Device for Electrical Stimulation of Peripheral Nerves

Abstract

A wireless electrical stimulation implant for peripheral nerves, achieving >10× improvement over state of the art in the depth/volume figure of merit, is presented. The fully integrated implant measures just 2 mm × 3 mm × 6.5 mm (39 mm3, 78 mg), and operates at a large depth of 10.5 cm in a tissue phantom. The implant is powered using ultrasound and includes a miniaturized piezoelectric receiver (piezo), an IC designed in 180 nm HV BCD process, an off-chip energy storage capacitor, and platinum stimulation electrodes. The package also includes an optional blue light-emitting diode for potential applications in optogenetic stimulation in the future. A system-level design strategy for complete operation of the implant during the charging transient of the storage capacitor, as well as a unique downlink command/data transfer protocol, is presented. The implant enables externally programmable current-controlled stimulation of peripheral nerves, with a wide range of stimulation parameters, both for electrical (22 to 5000 μA amplitude, ~14 to 470 μs pulse-width, 0 to 60 Hz repetition rate) and optical (up to 23 mW/mm2optical intensity) stimulation. Additionally, the implant achieves 15 V compliance voltage for chronic applications. Full integration of the implant components, end-to-end in vitro system characterizations, and results for the electrical stimulation of a sciatic nerve, demonstrate the feasibility and efficacy of the proposed stimulator for peripheral nerves.

Overview

Integrity signals

Registry

Crossref · 10.1109/tbcas.2018.2799623

Cites

69 of 69 references verified0 citation errors · 0 not checkable

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Citations

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Research works printed but not linked: 4

  1. zhou, 2009, Implantable Neural Prostheses 2 Techniques and Engineering Approaches
  2. chang, 0, A 30.5�mm3 fully packaged implantable device with duplex ultrasonic data and power links achieving 95�kb/s with <10?4 BER at 8.5 cm depth, Proc IEEE Int Solid-State Circuits Conf, 460
  3. yakovlev, 0, A 11 ?W sub-pJ/bit reconfigurable transceiver for�mm-sized wireless implants, Proc 2013 IEEE Custom Integrated Circuits Conf, 1
  4. lo, 0, A 176-channel 0.5 cm3 0.7 g wireless implant for motor function recovery after spinal cord injury, Proc IEEE Int Solid-State Circuits Conf, 382

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Metadata

Authors
Charthad, J., Chang, T. C., Liu, Z., Sawaby, A., Weber, M. J., Baker, S., Gore, F., Felt, S. A., & Arbabian, A.
Affiliations
  • Stanford University (US)
  • University of California, Berkeley (US)
Venue
IEEE Transactions on Biomedical Circuits and Systems
Published
2018-04
Volume
12
Issue
2
Pages
257-270
ISSN
  • 1932-4545 (ISSN-L)
  • 1940-9990
OpenAlex
W2790547683
Cited by
230
References
70
Citations by year
2026: 16 · 2025: 17 · 2024: 24 · 2023: 41 · 2022: 40 · 2021: 32 · 2020: 38 · 2019: 16 · 2018: 6
FWCI
10.37
Type
journal article
Language
en
Open access
closed
Locations
  • IEEE Transactions on Biomedical Circuits and Systems (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • DARPA Young Faculty Award
  • National Science Foundation CAREER Award (ECCS-1454107)
  • NSF Graduate Research Fellowships Program (DGE-114747)
  • Stanford internal seed funds
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Analog and Mixed-Signal Circuit Design
  • Physical Sciences › Engineering › Biomedical Engineering › Wireless Body Area Networks
Keywords
peripheral nerve stimulation, piezoelectric receiver, energy storage capacitors, optogenetic stimulation, blue LEDs, sciatic nerve stimulation
MeSH terms
Electrodes, Implanted, Electric Stimulation Therapy, Equipment Design, Humans, Models, Theoretical, Peripheral Nerves

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