In any event, thereafter, such frictional forces may be overcome when a user presses finger tabs 3151 a, 3151 b apart, thereby unlocking the latch 3150 to allow the base portions 3110 a, 3110 b and thus blades 3120, 3130 to be moved to a closed position, such as the fully closed position shown in FIG. 14B. Subsequently, the closed speculum 3100 may be removed from a patient after a surgical proced