Visual exploration method within the nasal cavity using an fibroscope, an endoscope leading light beams by a flexible glass fiber pipe. Thus, we can diagnose the cause of a chronic nasal congestion. The endoscope allows if meatus are sufficiently opened to visually explore the maxillary sinus, which is invaluable in case of chronic sinusitis.

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Nasofibroscopes became commonplace. They have revolutionized the clinical approach of nasal disease. Meanwhile, changing forensic and security requirements constrains disinfection and sterilization inseparable from their daily use.