This review highlights those experimental systems currently under development with a focus on in vivo modeling and control strategies designed specifically for the complex and dynamic surgical environment. Expert review: Novel methods for state estimation, system modeling and disturbance rejection, as applied to these devices, continues to improve the performance of these important surgical tools. Procedures such as Natural Orifice Transluminal Endoscopic Surgery and Laparo-Endoscopic Single Site surgery, as well as more conventional procedures such as Colonoscopy, serve to benefit tremendously from the development of these automated robotic systems, enabling surgeons to minimize tissue damage and shorten procedure times while avoiding the consequences of laparotomy.
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