Assertion: endotracheal tube's opening | /r/HasProperty | protected by sleeve
Facets:
Source sentences:
text: The opening 32 of the intratracheal pulmonary ventilation tube 14 is protected by a sleeve 42 which helps to insure that the flow through intratracheal pulmonary ventilation tube 14 is directed away from the distal end 34 of endotracheal tube 10.