A drape adaptor configured for coupling to a first component of a medical device and for receiving a medical tool. The first component of the medical device including a non-sterile portion of a driving mechanism. The drape adaptor comprises a sealing member configured for passing therethrough at least a portion of at least one component of a sterile portion of the driving mechanism. The drape adaptor is configured to enable transmission of torque from the first component of the medical device to the medical tool via direct engagement between the at least one component of the sterile portion of the driving mechanism and the non-sterile portion of the driving mechanism, through the sealing member, without compromising the sterility of the environment external to the drape adaptor.
