Design of a Drop-in EBI Sensor Probe for Abnormal Tissue Detection in Minimally Invasive Surgery.

Q3 Biochemistry, Genetics and Molecular Biology
Journal of Electrical Bioimpedance Pub Date : 2020-12-31 eCollection Date: 2020-01-01 DOI:10.2478/joeb-2020-0013
Guanming Zhu, Liang Zhou, Shilong Wang, Pengjie Lin, Jing Guo, Shuting Cai, Xiaoming Xiong, Xiaobing Jiang, Zhuoqi Cheng
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引用次数: 9

Abstract

It is a common challenge for the surgeon to detect pathological tissues and determine the resection margin during a minimally invasive surgery. In this study, we present a drop-in sensor probe based on the electrical bioimpedance spectroscopic technology, which can be grasped by a laparoscopic forceps and controlled by the surgeon to inspect suspicious tissue area conveniently. The probe is designed with an optimized electrode and a suitable shape specifically for Minimally Invasive Surgery (MIS). Subsequently, a series of ex vivo experiments are carried out with porcine liver tissue for feasibility validation. During the experiments, impedance measured at frequencies from 1 kHz to 2 MHz are collected on both normal tissues and water soaked tissue. In addition, classifiers based on discriminant analysis are developed. The result of the experiment indicate that the sensor probe can be used to measure the impedance of the tissue easily and the developed tissue classifier achieved accuracy of 80% and 100% respectively.

Abstract Image

Abstract Image

Abstract Image

用于微创手术异常组织检测的嵌入式EBI传感器探头设计。
在微创手术中,病理组织的检测和切除边缘的确定是外科医生面临的共同挑战。在这项研究中,我们提出了一种基于电生物阻抗光谱技术的插入式传感器探头,它可以被腹腔镜钳抓住,由外科医生控制,方便地检查可疑组织区域。该探头采用优化电极和适合微创手术(MIS)的形状设计。随后,利用猪肝组织进行了一系列离体实验,以验证其可行性。在实验中,我们采集了正常组织和水浸组织在1 kHz到2 MHz频率范围内的阻抗。此外,还开发了基于判别分析的分类器。实验结果表明,该传感器探头可以方便地测量组织阻抗,所开发的组织分类器准确率分别达到80%和100%。
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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来源期刊
Journal of Electrical Bioimpedance
Journal of Electrical Bioimpedance Engineering-Biomedical Engineering
CiteScore
3.00
自引率
0.00%
发文量
8
审稿时长
17 weeks
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