| 摘要 |
A flexible tubular assembly having an outer tube and located therein an inner tube. One end of the inner tube is in communication with the locale of the nasal passages of a patient. The other end of the inner tube is provided with the safety connector at an end portion of the outer tube externally with respect to the outside of the connector through a wall thereof. The external connection includes a tubular nipple that is at an angle with respect to the connector and is the safety connector feature of the present invention.
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