This invention relates to a sealing cannula device which can be easily and properly inserted while effectively sealing an incision made during a surgical or non-surgical process. The sealing cannula device includes a cannula sleeve having an external flange and tissue engaging threads. The screw threads on the external surface of the cannula sleeve allows the device to be easily screwed through an incision made in a body cavity wall or blood vessel until the tissue abuts against the flange. The ...

A surgical retractor has a connection region to connect to cannulas, tubing, blood pumps, and the like. By fixing these items against the surgical retractor, they are kept out of the surgical field of view and thus do not interfere with the surgery.