Anuscopio fenestrado escalado

Fenestrated anuscope comprising a base body (1) with a hollow and transparent cylindrical channel (3) and a dilator (5) adapted to be introduced into said cylindrical channel (3), where said channel (3) and the dilator (5) have crowns (8, 9) of approximately the same diameter and windows at their distal ends (4, 6), characterized in that the crowns are provided with an angular scale in such a position that both can be read at the same time when the dilator (5) is inserted into the base body (1), the base body (1) also being provided with a linear scale in centimeters or millimeters inside the wall of its cylindrical channel (3) and with an angular scale equal to the scales of the crowns (8, 9) provided in the area of the window (4) of the cylindrical channel (3). (Machine-translation by Google Translate, not legally binding)