利用机载近红外Led阵列实时跟踪3d打印智能胶囊

2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII) Pub Date : 2019-06-23 DOI:10.1109/TRANSDUCERS.2019.8808508

Hongjie Jiang, Albert Kim, Jiawei Zhou, R. Rahimi, B. Ziaie

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引用次数: 2

摘要

为了提高智能胶囊的性能和功效，需要在gi通道内的指定位置进行准确的传感和药物递送。在这项工作中，我们利用近红外(NIR)穿透组织内的光来实时跟踪3d打印胶囊。胶囊包含了由机载电池供电的三个875纳米nir - led阵列。利用猪组织和一对光电二极管接收器进行的离体实验显示，光穿透深度为6.2 cm。三节车载电池(1.5 V, 10 mAh)可以提供足够的电力，持续跟踪胶囊在小肠内2小时，从而很好地覆盖了胶囊在空肠中的定位。

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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Real-Time Tracking of a 3D-Printed Smart Capsule Using on-Board Near-Infrared Led Array

Accurate sensing and drug delivery at designated locations within the GI-tract is needed to increase the performance and efficacy of smart capsules. In this work, we utilize the near infrared (NIR) penetration of light within the tissue for real-time tracking of a 3D-printed capsule. The capsule incorporates an array of three 875 nm NIR-LEDs powered by an on-board battery. Ex vivo experiments using porcine tissue and a paired photodiode receiver showed a light penetration depth of 6.2 cm. Three on-board batteries (1.5 V, 10 mAh) can provide enough power to continuously track the capsule in the small intestine for 2 hours, thus providing a good coverage of capsule positioning in the jejunum.

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来源期刊

2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII)

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