| 摘要 |
The apparatus comprises a T-shaped member adapted to be inserted into the mouth of a patient and feeding oxygen thereto. The T-shaped member is divided into front and rear portions by an apertured wall into which a catheter assembly is to be inserted for insertion into a patient. The aperture in the wall is controlled by a rotary rod or valve having a through-hole which can be aligned with the aperture in the wall in one position and which is out of alignment with the wall in another position.
|
