Year: 2024
Type: article
Abstract: Wearable ultrasound has been widely developed for long-term, continuous imaging without the need for bulky system manipulation and repeated manual locating. To potentially lead to more accurate and reliable imaging monitoring, this work presents the design, fabrication, and evaluation of a novel high-frequency wearable ultrasound array belt (WUAB) for small animal echocardiography. The fabrication process involved precise dicing technology for a -pitch design. The WUAB consists of two matching layers, a piezoelectric composite with 128 channels, a customized flexible circuit substrate, an acoustic backing layer, and a customized belt structure with designed end tip and insertion point for wearability. The resulting WUAB demonstrates the sensitivity of and the fractional bandwidth (BDW) of . In vivo experiments on rat model showed expected echocardiography and B-mode images of rat heart. These results represent significant promise for future longitudinal studies in small animals and real-time physiological monitoring.
Authors: Yushun Zeng, Xin Sun, Junhang Zhang, Chi-Feng Chang, Baoqiang Liu, Chen Gong, Jie Ji, Bryan Zhen Zhang, Yujie Wang, Matthew Xinhu Ren, Robert Wodnicki, Hsiao-Chuan Liu, Qifa Zhou
Language: English
Subfield: Mechanics of Materials
Field: Engineering
Domain: Physical Sciences
Open Access status: green
Awards: G3644505816, Development of non-contact rheometry for measuring rheological properties of biological fluids, G6571276258, Biomechanical mapping of the optic nerve head and peripapillary sclera using high frequency ultrasonic elastography, G8184037217, Development of two-dimensional (2D) acoustic force elastography microscopy for the non-contact measurement of elastic property of cell encapsulated scaffolds, High-Resolution Flow Imaging of Optic Nerve Head and Retrolaminar Microvascular Circulation
OpenAlex ID: W4404101463