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Tubing designed for external connection of an oxygen delivery source (e.g., hospital oxygen line, oxygen cylinder) at one end and, at the patient end, a device used to administer oxygen such as a nasal oxygen cannula; nasal, nasopharyngeal, or transtracheal oxygen catheter; or oxygen mask. This tubing is typically disposable (single-use) rubber or soft plastic tubing of small diameter (three to five mm/ 1/8 to 3/16 inch), thick walls, and usually include tapered connectors with molded inner rings that hold securely when pressure is applied. Oxygen connection tubing is used in hospitals, in the field, and at home to administer oxygen to patients who need additional oxygen supply.
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