Speaking Valve Influence on Breathing, Swallowing and Vocal Functions in Patients With Tracheostomy.

This study looks at how a special one-way speaking valve affects breathing, swallowing, and voice in patients who have a tracheostomy (a breathing tube in the neck) after a brain injury. The goal is to understand whether using the valve helps these functions improve. You may be eligible if: - You have had a brain injury (traumatic or non-traumatic) - You have a tracheostomy - You are in a state of unresponsive wakefulness or minimally conscious state - Fiber optic examination shows good vocal cord movement and no airway growths (MarianJoy scale score 1–3) - Your legal guardian speaks Hebrew You may NOT be eligible if: - You have airway narrowing or inflammation - Your blood oxygen level is below 90% Talk to your doctor to see if this trial is right for you.