Prof. Mehdi Kiani Profile

Prof. Mehdi Kiani

at Pennsylvania State Univ

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Proceedings Article | 5 March 2021 Presentation

Wireless implantable systems for gastric electrical-wave recording

Mehdi Kiani

Proceedings Volume 11663, 116630R (2021) https://doi.org/10.1117/12.2579419

KEYWORDS: Ultrasonics, Stomach, Wave propagation, Prototyping, Nervous system

Read Abstract +

Gastric contractions are coordinated by an underlying bioelectrical activity, termed slow waves. Aberrant slow-wave patterns have been associated with gastric dysmotility. High-resolution mapping of slow waves has potential to detect the mechanisms underlying gastric dysrhythmias. I will present our recent efforts towards the development of wireless implantable systems for gastric slow-wave recording. First, an inductively powered implantable system will be presented along with its shortcomings. Then, a new paradigm will be presented for large-scale gastric interfacing by developing a network of distributed, miniaturized, ultrasonically interrogated implants. Finally, the concept of a new technique for robust ultrasonic beamforming will be presented.

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