Decannulation is the process of removing a tracheostomy tube (trach). According to the provided reference, a tracheotomy tube is a breathing tube surgically placed in the neck. Elective decannulation happens when a doctor determines that the patient, often a child in the reference's context, no longer requires the tracheotomy tube to breathe properly. The doctor will then advise on when it is safe to begin the decannulation process.
In simpler terms, decannulation is getting rid of the trach tube.