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An advanced RFID-based system to localize gastric and colon cancers during laparoscopic surgery

机译：基于先进的RFID系统来定位腹腔镜手术期间胃癌和结肠癌

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Background We aimed to improve the tumor localization system using radiofrequency identification (RFID) technology used during laparoscopic surgery for gastric and colorectal cancer. To this end, we developed a detection algorithm and designed improvement for the RFID clip. Methods To evaluate the proposed system, a swine-based animal study was conducted, followed by experiments on porcine stomachs and colons using the EASIE-R simulator. The success rates of endoscopic clipping, detection time, and detection accuracy, which is the distance between the detection point and RFID tag, were measured. Results Results of the in vivo swine animal study showed success in all three clippings and detections of the RFID clips. Results of the 60 RFID endoclip attempts using the EASIE-R simulator showed a total clipping success rate of 85.0% (n = 51/60; stomach, 83.3%, n = 25/30; colon, 86.7%, n = 26/30). The median detection times were 29.2 s for the stomach and 25.5 s for the colon. The median detection accuracy was 4.0 mm for the stomach and 4.5 mm for the colon. Conclusions We confirmed that the proposed RFID-based system showed improvements over the system of a previous study. This RFID-based system is effective at localizing gastric and colorectal tumors.
机译：背景：我们旨在利用射频识别（RFID）技术改进腹腔镜胃癌和结直肠癌手术中的肿瘤定位系统。为此，我们开发了一种检测算法，并对RFID片段进行了改进。方法为了评估所提出的系统，进行了一项基于猪的动物研究，然后使用EASIE-R模拟器对猪的胃和结肠进行了实验。测量内窥镜夹持的成功率、检测时间和检测精度，即检测点与RFID标签之间的距离。结果活体猪-动物研究的结果显示，RFID片段的所有三次剪辑和检测均成功。使用EASIE-R模拟器进行的60次RFID内夹尝试的结果显示，总夹持成功率为85.0%（n=51/60；胃，83.3%，n=25/30；结肠，86.7%，n=26/30）。胃和结肠的中位检测时间分别为29.2秒和25.5秒。胃和结肠的中位检测准确度分别为4.0 mm和4.5 mm。结论我们确认，与之前的研究相比，拟议的基于RFID的系统表现出了改进。这种基于RFID的系统可以有效地定位胃和结肠肿瘤。

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