Inner cannulas are used in tracheostomy patients to maintain airway patency. Used in ICUs and pulmonology wards. They help prevent mucus buildup and blockage. Disposable cannulas improve hygiene and safety. Easy to replace during routine care. Used in long-term airway management. Compatible with standard tracheostomy tubes. Helps reduce infection risk. Essential consumable in respiratory airway care. Used in hospitals and home care settings.