Search Results - qifa+zhou

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2025-059 - Sequential -based Excitation Shear Wave Elastography (SE-SWE)

Background: Ultrasound elastography, specifically shear wave elastography (SWE), is essential for non-invasive assessment of tissue stiffness, an important biomarker for diagnosing and monitoring diseases such as liver fibrosis, cancer, and ocular conditions. While conventional two-dimensional SWE provides valuable clinical insights, accurately characterizing...

Published: 3/17/2026 Inventor(s): Qifa Zhou, Hsiao Chuan Liu, Xin Sun

2025-190 - A portable image guided ultrasound stimulator

​​​​​Image-guided ultrasound Wearable stimulator Closed-loop targeting Noninvasive pacing Abstract USC researchers have developed a portable, wearable system intended to support noninvasive cardiac rhythm management using an ultrasound-based approach. The technology is designed to deliver controlled cardiac stimulation without implanted leads...

A programmable ultrasound-induced wireless implantable stimulator for personalized chronic pain management

Wireless Ultrasound-Powered Implant for Personalized Chronic Pain Management Abstract USC researchers have developed a flexible, ultrasound-induced wireless implantable stimulator for personalized chronic pain management. The miniaturized device wirelessly harvests ultrasound energy to deliver programmable electrical stimulation for spinal cord...

2016-101 - Modular Piezoelectric Sensor Array with Co-Integrated Electronics

Ultrasound imaging Medical imaging Non-destructive testing Abstract USC researchers have developed a a modular piezoelectric sensor array with co-integrated electronics and beamforming channels. This technology mitigates the negative side effects of previous 2D ultrasound array implementations, allowing for improved trace widths, decreased parasitic...

2022-181 - Contact-Lens Ultrasound Array for Retinal Stimulation and Imaging

Restoring vision from retinal degenerative diseases Abstract USC researchers have developed a novel ultrasound array to stimulate and image the eyeball. It can be attached to the cornea and worn long-term like a contact lens. By employing ultrasonic features, advanced micro-processing technology, and a sophisticated control algorithm, the device...