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An obturator is a medical device or instrument used to block, fill, or guide an opening. In airway care, an obturator often fits inside a tracheostomy tube to create a smooth rounded tip during insertion. In surgery, an obturator may fill a cannula or sleeve to help it pass through tissue. In prosthodontics, an obturator can be a prosthetic device that closes an opening in the palate or mouth.
read more about obturator ...An obturator is used to make insertion smoother, protect tissue, or close an unwanted opening. In a tracheostomy tube, it guides the tube through the stoma and is removed immediately after placement. In surgical sleeves or cannulas, it helps support insertion through tissue or into a joint or body cavity. In oral care, a palatal obturator can help separate the mouth and nasal cavity for speech, swallowing, or feeding.
Tracheostomy obturators are curved inserts that match the shape of a tracheostomy tube. Surgical obturators may be blunt, tapered, cannulated, or used with trocars, arthroscopic sleeves, or other access devices. Palatal obturators are custom prosthetic appliances made for defects in the roof of the mouth. The correct type depends on the body area and clinical purpose.
For tracheostomy placement or tube change, the obturator is inserted into the outer cannula before the tube is placed. Once the tube is in position, the obturator is removed so air can pass through the tracheostomy tube. For surgical access, the obturator is placed inside a sleeve or cannula during insertion and removed afterward. A palatal obturator is fitted by dental or maxillofacial specialists and worn according to the care plan.
An obturator should not block airflow after a tracheostomy tube is placed. Leaving it inside the tube can prevent breathing, so it must be removed immediately after insertion. Poor fit, wrong size, forcing insertion, or damaged equipment can injure tissue. Patients with tracheostomy tubes should keep the obturator available for tube changes if instructed by their care team.
Yes, many tracheostomy tubes come with an obturator used only during insertion or tube changes. It is removed after the tube is placed.
No. The obturator blocks the tube opening during insertion and must be removed immediately so air can flow.
No. A palatal obturator is a prosthetic device for an opening in the palate, while a tracheostomy obturator is an insertion guide for a tracheostomy tube.
Reuse depends on the device type and labeling. Tracheostomy obturators are usually kept with the patient’s tube, while surgical devices follow sterilization or single-use instructions.
Living with a Tracheostomy Tube and Stoma. Johns Hopkins Medicine. https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/living-with-a-tracheostomy-tube-and-stoma. Date Accessed June 18, 2026.
Tracheostomy Tube Change. StatPearls (NCBI Bookshelf). https://www.ncbi.nlm.nih.gov/books/NBK555919/. Date Accessed June 18, 2026.
Parts of a Tracheostomy. Golisano Children’s Hospital. https://www.urmc.rochester.edu/childrens-hospital/tracheostomy-ventilator-program/tracheostomy/parts-of-a-tracheostomy.aspx. Date Accessed June 18, 2026.
Palatal obturators in patients after maxillectomy. PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC4402688/. Date Accessed June 18, 2026.
Prosthodontic Management in Conjunction with Speech Therapy in Cleft Lip and Palate. PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC4672837/. Date Accessed June 18, 2026.