Tissue-probe contact assessment during robotic surgery using single-fiber reflectance spectroscopy.

IF 2.9 2区 医学 Q2 BIOCHEMICAL RESEARCH METHODS
Biomedical optics express Pub Date : 2024-11-11 eCollection Date: 2024-12-01 DOI:10.1364/BOE.534558
Lotte M de Roode, Lisanne L de Boer, Henricus J C M Sterenborg, Theo J M Ruers
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引用次数: 0

Abstract

The introduction of robotic surgery has improved minimally invasive surgery, and now robotic surgery is used in several areas of surgical oncology. Several optical techniques can be used to discriminate cancer from healthy tissue based on their optical properties. These technologies can also be employed with a small fiber-optic probe during minimally invasive surgery; however, for acquiring reliable measurements, some optical techniques require the fiber-optic probe to be in direct contact with the tissue. The lack of tactile feedback in robotic surgery makes assessing tissue-probe contact suitable for optical contact measurements challenging for the surgeon. In this study, we investigated the use of single fiber reflectance (SFR) to determine tissue-probe contact adequately. A machine learning-based algorithm was developed to classify if direct tissue-probe contact was present during the measurement in an ex-vivo tissue setup. Using this classification algorithm, an average accuracy of 93.9% was achieved for assessing probe-tissue contact, suggesting that this technique can be utilized to assess tissue-probe contact in an in vivo clinical setting.

利用单纤维反射光谱仪评估机器人手术过程中组织与探针的接触情况。
机器人手术的引入改进了微创手术,目前机器人手术已用于肿瘤外科的多个领域。有几种光学技术可用于根据光学特性区分癌症和健康组织。这些技术也可在微创手术中与小型光纤探头配合使用;不过,为了获得可靠的测量结果,一些光学技术要求光纤探头与组织直接接触。由于机器人手术缺乏触觉反馈,因此评估组织与探针的接触是否适合光学接触测量对外科医生来说具有挑战性。在这项研究中,我们研究了使用单光纤反射率(SFR)来充分确定组织-探针接触情况。我们开发了一种基于机器学习的算法,用于在体外组织设置的测量过程中对组织探针是否直接接触进行分类。使用这种分类算法,评估探头与组织接触的平均准确率达到 93.9%,这表明该技术可用于评估体内临床环境中的组织-探头接触情况。
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
Biomedical optics express
Biomedical optics express BIOCHEMICAL RESEARCH METHODS-OPTICS
CiteScore
6.80
自引率
11.80%
发文量
633
审稿时长
1 months
期刊介绍: The journal''s scope encompasses fundamental research, technology development, biomedical studies and clinical applications. BOEx focuses on the leading edge topics in the field, including: Tissue optics and spectroscopy Novel microscopies Optical coherence tomography Diffuse and fluorescence tomography Photoacoustic and multimodal imaging Molecular imaging and therapies Nanophotonic biosensing Optical biophysics/photobiology Microfluidic optical devices Vision research.
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