Assertion: endotracheal tube's cuff | /r/HasAspect | non-elastic wall
Facets:
Source sentences:
text: The lower cuff 19 has a non-elastic wall (polyvinylchloride) which impinges respectively against the patient's subglottis 20 and upper trachea 21 (FIG. 1), inflatable and deflatable via channel 12 through orifice 22 (FIG.3).