Liquid detection in gases conduits

Abstract

A gases conduit comprising: a lumen, and a conduit wall member forming at least part of a wall of the gases conduit. The conduit wall member comprising a first electrically conductive element and a second electrically conductive element; and a recess open to the lumen and at least partially between the first electrically conductive element and the second electrically conductive element. The recess comprises a first width proximal the lumen, and a second width distal the lumen, wherein the first width is greater than or less than the second width.

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