A visual system for laparoscopy comprising a visual device having a visual head member and an elongated connector； a manipulation device (2100) having a handheld operation portion, an insertion portion (2110, 8210) and a first contact element (2130, 8230)； and an external device comprising means to communicate with the vision head member, via the first contact element, when the elongated connector is mounted in an lumen of the insertion portion. The insertion portion of the manipulation device is configured to be extendable out from a body cavity through an airtight passage whereby the elongated connector is configured to be slidably mounted into the lumen of the insertion portion outside of the body cavity upon the insertion portion is withdrawn into the body cavity.
