Patent ID: 9352112
Filing Date: 2016-05-31
CPC Classification: A61M

Claim Text:
1. A tracheal tube, comprising: a conduit defining a passageway for delivering gas to a patient's lungs comprising a proximal end and a distal end; an inflatable balloon cuff coupled to an exterior wall of the conduit; a suction lumen formed between the exterior wall and an interior wall of the conduit and having a first cross-sectional geometry and a first cross-sectional area; and an evacuation port of the suction lumen comprising an opening having an outer perimeter positioned in an outermost portion of the exterior wall of the conduit, wherein the outer perimeter defines both a second cross-sectional geometry and a second cross-sectional area of the opening, wherein the second cross-sectional geometry is different from the first cross-sectional geometry, and wherein the second cross-sectional area is equal to the first cross-sectional area of the suction lumen.