An object of the invention is to form a projecting image of smooth image quality inconspicuous in a joint in a stable state. An assembly is presented for encasing a cable and providing an airtight chamber around the fiber-optic cable. The catheter includes a tube having a circular cross section, a detachable portion, a locking mechanism, an inner tube, a first pigtail curl, a second pigtail curl, and a marker. More specifically, the tape lifter is movable between a first position away from the tape and a second position in contact with the tape. At least one portion of the one object may be extracted from the repository, wherein the portion is extracted in extensible markup language format.