Abstract: A see-through shield for a urological or similar medical instrument for treating bladder and prostate problems, includes a cylindrical collar adapted to fit a boss on the instrument, a clear planner shield element, a hollow cone-shaped connecting member having its apex connected to one end of the collar and its skirt connected to the shield element forming a semi-flexible joint between the collar and the shield element, a radial slit from and through the collar, the cone-shaped member and into a portion of the shield element to allow a portion of the instrument larger than the collar diameter to pass through the shield when attaching it to an instrument and a securing means to clamp the collar on the boss of an instrument.