Towards wireless capsule endoscopic ultrasound (WCEU)

J. H. Lee, G. Traverso, Carl M. Schoellhammer, D. Blankschtein, R. Langer, K. Thomenius, D. Boning, B. Anthony
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引用次数: 20

Abstract

Wireless capsule endoscopy (WCE) has revolutionized the capacity for evaluation of the gastrointestinal (GI) tract. Although WCE provides high quality images of the GI tract, evaluation is limited to the mucosal surface. This work investigates feasibility and design considerations for wireless capsule endoscopic ultrasound (WCEU) that combines the benefits of WCE and ultrasound imaging. This work has two goals: (1) evaluate transducer designs appropriate for WCEU and (2) investigate whether peristalsis can produce sufficient contact to ensure acoustic coupling. Between mechanical scanning (MS) and side-looking array (SLA) designs, MS performs better for both imaging performance and system complexity. In vivo imaging in pigs demonstrates promising results, although the effect of peristalsis and resulting coverage needs further investigation and quantification.
无线胶囊内窥镜超声(WCEU)
无线胶囊内窥镜(WCE)已经彻底改变了评估胃肠道(GI)的能力。虽然WCE提供了高质量的胃肠道图像,但评估仅限于粘膜表面。这项工作探讨了无线胶囊内窥镜超声(WCEU)的可行性和设计考虑,它结合了WCE和超声成像的优点。这项工作有两个目标:(1)评估适合WCEU的换能器设计;(2)研究振动是否能产生足够的接触以确保声学耦合。在机械扫描(MS)和侧视阵列(SLA)设计之间,MS在成像性能和系统复杂性方面都表现得更好。猪体内成像显示了有希望的结果,尽管蠕动的影响和由此产生的覆盖范围需要进一步的调查和量化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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