Tracheostomy tube is used to create an opening in neck ( windpipe) to breath oxygen without month or nose. Trach tube is often used in obvious respiratory difficulty condition, and the cause can not be relieved quickly. Components: Cannula, Inserting Stylet, Balloon, Tie band holder Size: #4.0mm, #4.5mm, #5.0mm, #5.5mmï¼?#6.0mm, #6.5mm, #7.0mm, #7.5mm, #8.0mm, #8.5mm, #9.0mm, #10.0mm