一种用于内窥镜触诊的喷墨印刷压阻式背靠背石墨烯触觉传感器

2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS) Pub Date : 2017-02-23 DOI:10.1109/MEMSYS.2017.7863482

Yu-Min Fu, Meng-Chuin Chou, Yu-Ting Cheng, E. Secor, M. Hersam

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引用次数: 6

摘要

本文提出了一种模拟人手指触觉的触觉传感器设计，用于内窥镜触诊中组织硬度的区分。该传感器包括两个喷墨打印的基于压阻石墨烯的传感元件，它们背靠背相连，分别用于力和位移检测。实验结果表明，当猪的脂肪和肌肉组织受到相同100 μm位移时，传感器分别接收到2.1和5.3 mN的力反馈。与现有技术相比，这种力反馈的2.5倍差异提供了一种令人信服的方法，通过这种方法，医生可以更直观地感知内窥镜手术期间的硬度和组织差异。

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An inkjet printed piezoresistive back-to-back graphene tactile sensor for endosurgical palpation applications

The paper presents a tactile sensor design mimicking human finger touch to differentiate tissue hardness for endosurgical palpation applications. The sensor comprises two inkjet-printed piezoresistive graphene-based sensing elements linked back-to-back for force and displacement detection, respectively. Experimental results indicate the sensor registers 2.1 and 5.3 mN force feedback from the fat and muscle tissues of pig, respectively, when pressed to the tissues with the same 100 μm displacement. This difference of ∼2.5 times in force feedback provides a compelling method by which doctors can more intuitively perceive hardness and tissue differences during endosurgery in comparison with the prior arts.

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2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS)

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