带有弹机制的磁驱动活检囊机器人
Md Harun Or Rashid1, Feng Lin1,2
1School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China.
Micromachines
|February 24, 2024
概括
开发了一种新的无线囊内镜 (CE),具有活跃的运动和活检功能. 这种基于针的活检囊机器人 (NBBCR) 能够精确地采集组织样本,以改善胃肠道诊断.
科学领域:
- 生物医学工程 生物医学工程
- 胃肠病学 胃肠病学
- 机器人技术 机器人技术 机器人技术
背景情况:
- 囊内镜 (CE) 仅限于图像捕捉,限制了先进的诊断能力.
- 组织采样是一种至关重要的诊断程序,尚未融入CE技术.
- 囊机器人中的主动移动提供了增强的控制和功能.
研究的目的:
- 开发一种新的无线囊内镜,具有活跃的运动和集成的组织取样能力.
- 设计和制造基于针的活检囊机器人 (NBBCR),用于精确的胃肠道诊断.
- 为了证明先进的CE功能无线控制的可行性.
主要方法:
- 一个囊机器人 (CR) 原型 (12毫米直径,32毫米长) 设计了两个永久磁铁用于外部电磁激活 (EMA).
- 一个集成的弹式活检机制,一个针能够~5毫米的挤出被纳入.
- 进行了体外实验,以评估CR的运动控制和活检机制的启动.
主要成果:
- 该NBBCR原型展示了精确的无线控制,转换速度为2mm/s (x方向) 和3mm/s (y方向).
- 活检机制成功地实现了所需的约5毫米的挤出,用于组织采样.
- 摄像头模块使目标检测和对模拟病变的活检过程的观察成为可能.
结论:
- 开发的活跃的,无线的NBBCR成功地集成了无线控制,精确的移动和活检功能.
- 这项技术推进了囊内镜,使得诊断程序能够超越简单的成像.
- NBBCR具有显著的潜力,可以改善胃肠道疾病诊断中的临床应用.
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