The obturator is used to insert a tracheostomy tube. It has a lock to keep it from being coughed out, and it is removed for cleaning. The inner cannula fits inside the outer cannula. A neck plate extends from the sides of the outer tube and has holes to attach cloth ties or velcro strap around the neck. The outer cannula is the outer tube that holds the tracheostomy open. However, a specific type of tracheostomy tube will be the same no matter which company manufactures them.Ī commonly used tracheostomy tube consists of three parts: outer cannula with flange (neck plate), inner cannula, and an obturator. These are manufactured by different companies. There are different types of tracheostomy tubes that vary in certain features for different purposes. A tracheostomy (trach) tube is a curved tube that is inserted into a tracheostomy stoma (the hole made in the neck and windpipe (Trachea)).
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