Patent ID: 8905030

Claim:
A tracheal tube comprising: a ventilation lumen having a proximal end and a distal end; a secondary lumen formed within a wall of the ventilation lumen; and a connector having a generally annular body and an insert portion defining a passageway that is in fluid communication with the ventilation lumen, wherein the insert portion is non-removably disposed within the annular body in the proximal end of the ventilation lumen such that the proximal end of the ventilation lumen is between the insert portion and the annular body, and wherein the insert portion comprises a first recess aligned with the secondary lumen and configured to reduce stress on the wall at least in the vicinity of the secondary lumen, wherein the first recess is disposed about only a portion of a circumference of a side wall of the insert portion at a step that is proximal to an insert distal end, wherein the step is formed at a junction of a tapered portion with a non-tapered portion.