Tracheal tube with facility to view inner cannula

摘要

A tracheal tube assembly includes an outer cannula configured to be positioned in a patient airway and an inner cannula configured to be disposed inside the outer cannula. The tracheal tube assembly further includes a flange member secured about the outer cannula, and a connector coupled to a proximal end of the outer cannula. The connector is configured to provide a view of the inner cannula, and the inner cannula and the connector form a contiguous passageway for exchanging fluid with the patient airway in operation.

主权项

1. A tracheal tube assembly comprising:
an outer cannula configured to be positioned in a patient airway; an inner cannula configured to be disposed inside the outer cannula; a flange member secured about the outer cannula; and a connector disposed on a proximal end of the outer cannula and comprising a window having a translucency suitable to view the inner cannula through the window, wherein the connector is configured to couple the outer cannula to a ventilator and to provide a view of the inner cannula, wherein an inner cannula rear wall corresponding to an inner cannula proximal portion abuts against a connector rear wall when the inner cannula is disposed inside the outer cannula, and wherein the inner cannula and the connector form a contiguous passageway with the ventilator for exchanging fluid with the patient airway in operation.