Patent ID: 8317814

Claim:
A medical device for observing inside of an abdominal cavity, the medical device comprising: a camera to be installed in an abdominal cavity capable of being introduced into a body cavity and having a contact portion that is fixed in contact with a wall within a body, an image pickup unit that picks up an image in the abdominal cavity, and a wire capable of being drawn toward the wall within the body; an extracorporeal device capable of being installed on a body surface outside of the body and having a hole portion through which the wire can be inserted and removed, a fixing mechanism for fixing the wire inserted through the hole portion, and a housing that is fixable in contact with the body surface; and a pressure detecting mechanism provided to the extracorporeal device, the pressure detecting mechanism capable of being installed on the body surface outside of the body, to detect a pressure equal to or larger than a predetermined pressure applied to the housing in contact with the body surface, and drive the fixing mechanism so that the wire is fixed in a state where a predetermined tensile force is maintained, when the camera to be installed in an abdominal cavity is pulled by the wire so that the wall within a body contacts the contact portion, to be drawn toward the wall within a body and installed in a state where the body wall is sandwiched between the contact portion of the camera to be installed in an abdominal cavity and the extracorporeal device.