A Fiber Optic (F.O.) Laryngoscope Blade is a sophisticated medical instrument used in the field of anesthesia and emergency medicine. It is a crucial part of a fiber optic laryngoscope system made to help in endotracheal intubation, a crucial technique that involves inserting a breathing tube into a patient’s trachea. Small optical fibers implanted into the blade of the F.O. laryngoscope convey light to illuminate the airway and offer a good view of the vocal cords and surrounding tissues. This device uses fiber optic technology. This lighting is essential, especially in challenging or difficult-to-view instances when a direct line of sight is required for effective intubation. The F.O. laryngoscope blade improves the accuracy and security of intubation.