A drape adaptor configured for coupling to a firstcomponent of a medical device and for receiving a medical tool.The first component of the medical device including a non-sterileportion of a driving mechanism. The drape adaptor comprisesa sealing member configured for passing therethrough at least aportion of at least one component of a sterile portion of the drivingmechanism. The drape adaptor is configured to enable transmissionof torque from the first component of the medical deviceto the medical tool via direct engagement between the at leastone component of the sterile portion of the driving mechanismand the non- sterile portion of the driving mechanism, throughthe sealing member, without compromising the sterility of theenvironment external to the drape adaptor.
