Bionic untethered micro-nano robots, due to their advantages of small size, low weight, large thrust-to-weight ratio, strong wireless mobility, high flexibility and high sensitivity, have very important application values in the fields of biomedicine, such as disease diagnosis, minimally invasive surgery, targeted therapy, etc. This review article systematically introduced the manufacturing methods and motion control, and discussed the biomedical applications of bionic untethered micro-nano robots. Finally, the article discussed the possible challenges for bionic untethered micro-nano robots in the future. In summary, this review described bionic untethered micro-nano robots and their potential applications in biomedical fields.
仿生无约束微纳米机器人，由于其具有体积小、重量轻、推重比大、无线移动能力强和灵敏度高的优点，在生物医学领域有非常重要的应用价值，如疾病诊断、微创手术、靶向治疗等。本文系统介绍了仿生无约束微纳米机器人的制造方法和运动控制，并讨论了微纳米机器人的生物医学应用，最后讨论了未来可能遇到的挑战。综上，本文阐述了仿生无约束微纳米机器人及其在生物医学领域的应用潜力。.
Keywords: biomedical applications; bionic micro-nano robots; micro-nano robots; untethered micro-nano robots.