What is the purpose of a tracheostomy tube obturator?
a. To minimize trauma to the tracheal muco-sal during insertion
b. To provide a patent airway should the tube become obstructed
c. To help ascertain the proper tube position by radiograph
d. To provide a means to inflate and deflate the tube cuff
ANS: A
An obturator with a rounded tip is used for tube insertion. Prior to insertion, the obturator is placed within the outer cannula, with its tip extending just beyond the far end of the tube. This minimizes mucosal trauma during insertion.
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