A device designed to be inserted into a patient's mouth to facilitate access to the respiratory system. It is typically a small rigid or semi-rigid plastic hollow device with a shape and structure that provides an appropriate gastight seal (i.e., with a pat...
A device designed for partial insertion into a patient's mouth (in between the lips) to facilitate access to the respiratory system. It is typically a small rigid or semi-rigid hollow device with a shape and structure that enables an appropriate gastight se...