This may very depending on the particular child. Check with the doctor for frequency of trach change. Change the trach tube before a feeding or at least 2 hours after a feeding. The kitchen or dining room table covered with a pad or blanket may be a good place for a trach change.
Procedure Explain the procedure in a way appropriate for a child's age and understanding.
Use a calm gentle approach. If you are anxious, the child may sense this. Or wrap a piece of tape around the end of the tie similar to the end of a shoe lace to make it easier to thread. Inspect all tubes for cracks, tears, or decreased flexibility before use, especially if tubes are reused. Bring trach tie through one end of new trach tube.