Laparoendoscopic single-site surgery using a multi-functional miniature in vivo robot

Background Existing methods used to perform laparoendoscopic single-site surgery (LESS) require multiple laparoscopic tools that are inserted into the peritoneal cavity through a single, specialized port. These methods are inherently limited in visualization and dextrous capabilities by working through a single access point. A miniature in vivo robotic platform that is completely inserted into the peritoneal cavity through a single incision can address these limitations, providing more intuitive manipulation capabilities and improved visualization. Methods The miniature in vivo robotic platform for LESS consists of a multifunctional robot and a remote surgeon interface. The robot has two arms and specialized end effectors that can be interchanged to provide monopolar cautery, tissue manipulation, and intracorporeal suturing capabilities. Results This robot has been demonstrated in multiple non-survival procedures in a porcine model, including four cholecystectomies. Conclusion This study demonstrates the effectiveness of using a multifunctional miniature in vivo robot platform to perform LESS. Copyright (C) 2010 John Wiley & Sons, Ltd.