Implantables

Wireless Battery-Free Bioelectronics

Shared Ph.D. implantable platform work across 14 journal articles, 20+ fixtures, 6 tuned antennas, 3 simulation frameworks, <50 mg implants, and up to 2 m wireless power.

Part of Graduate Research Assistant · Gutruf Lab, University of Arizona · Dec 2018 – May 2022

completed 2018–2022 ImplantablesWireless powerBiointerfacesFlexible electronics
Type research platform
Skills Implantables, Wireless power, Flexible electronics, Preclinical validation

Selected facts

Quantitative details and source-backed proof points.

Publication output: 14 peer-reviewed journal articles, 5 conference proceedings/abstracts, and 1 book chapter.

Mentored or managed 10+ researchers/students across graduate research work.

Platform metrics: below 50 mg device weight, up to 2 m wireless power range, 5 months rapid-aging testing, and below 20 days recovery in source-review framing.

Shared validation infrastructure: 20+ test fixtures, 6 tuned antenna designs, and 3 simulation frameworks.

Platform details included 13.56 MHz magnetic resonant coupling, device operation testing greater than 1 year, and MRI/CT compatibility for post-operation probe-targeting analysis.

Project summary

Why it exists, what I built, and what I learned.

Why I built it

Chronic small-animal sensing and stimulation needed implantable platforms without tethers, batteries, or percutaneous connectors.

What I built

Wireless photometry, neurostimulation, osseosurface sensing, and FES systems using miniaturized circuits, flexible interconnects, soft packaging, and biocompatible encapsulation.

What worked

The reusable engineering base made it possible to translate wireless power, communication, packaging, and validation methods across multiple implantable publications.

What failed

Every implant constraint compounded: geometry, heat, encapsulation, power range, communication, tissue mechanics, surgical handling, and in vivo reliability.

What I learned

Implantable engineering succeeds when power, mechanics, packaging, test fixtures, and preclinical workflow are designed as one system.

Stack

Tools, systems, and technical areas involved.

13.56 MHz wireless powerFlexible electronicsPhotometryNeurostimulationFESAntenna tuningEncapsulationPreclinical validation

Links and direction

Public links and next steps.

Next Future direction

Use this as the platform overview and use the publication-specific pages for exact device details.

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Other projects in the same neighborhood.