| CPC A61B 34/30 (2016.02) [A61B 17/3421 (2013.01); A61B 17/3423 (2013.01); A61B 17/0281 (2013.01); A61B 2017/3445 (2013.01); A61B 2017/3466 (2013.01); A61B 2017/347 (2013.01)] | 15 Claims | 

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               1. A surgical system comprising: 
            a cannula configured to be fixed-in-space relative to a patient by being coupled to a structural arm of a teleoperated robot; and 
                a rotating assistant port device comprising: 
                a circular outer hub; and 
                a circular inner hub rotatably coupled to the outer hub, wherein: 
                the circular inner hub includes a cannula port and an assistant port; 
                the cannula is inserted through the cannula port; 
                the assistant port is configured to accommodate insertion of a hand operated instrument; and 
                the circular inner hub and the assistant port are rotatable together around the cannula while an orientation of the outer hub remains substantially fixed, an axis of rotation of the circular inner hub and the assistant port extending longitudinally through the center of the cannula port and the cannula. 
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