首页> 外文会议>2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems amp; Eurosensors XXXIII >Real-Time Tracking of a 3D-Printed Smart Capsule Using on-Board Near-Infrared Led Array
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Real-Time Tracking of a 3D-Printed Smart Capsule Using on-Board Near-Infrared Led Array

机译:使用板载近红外LED阵列实时跟踪3D打印的智能胶囊

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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.
机译:需要在胃肠道内的指定位置进行准确的传感和药物输送,以提高智能胶囊的性能和功效。在这项工作中,我们利用组织中的光的近红外(NIR)穿透力来实时跟踪3D打印的胶囊。该胶囊包含由车载电池供电的三个875 nm NIR-LED阵列。使用猪组织和配对的光电二极管接收器的离体实验显示光穿透深度为6.2 cm。三个车载电池(1.5 V,10 mAh)可以提供足够的功率,以连续跟踪小肠中的胶囊2小时,从而很好地覆盖了胶囊在空肠中的位置。

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