US Patent 9320568 Sterile surgical drape

A surgical drape comprises an exterior surface adjacent to a sterile field for performing a surgical procedure and an interior surface forming a cavity for receiving a non-sterile portion of a robotic surgical system. The surgical drape also includes a first vent through the interior and exterior surfaces spaced apart from a second vent through the interior and exterior surfaces to create convection heat venting through the surgical drape. The exterior and interior surfaces include a window for positioning adjacent to a monitor screen, the window having a static charge.