The goal of this clinical trial is to learn if the anti-fog suction device works to keep the surgical view clear during endoscopic nose-to-pituitary operations and whether it lowers the chance of brain-fluid infection. It will also learn about the safety of the device. The main questions it aims to answer are: * Does the device reduce the total time the surgeon has to stop because the lens fogs up? * What medical problems (such as nose-bleed, tube blockage, or infection) do participants have when the device is used? Researchers will compare the anti-fog device to the usual "water-squirt" method to see if the device works better. Participants will: * Have either the device or the usual water method applied during their planned pituitary surgery * Stay in the hospital for the normal recovery period (about 3-5 days) and return for a routine check-up around day 7 * Allow the study team to record operating times, any fog-related pauses, and results of blood or spinal-fluid tests taken before and after surgery
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Total duration of lens-fog interruptions (minutes)
Timeframe: Before the Nasal Packing(2 hours roughly)