Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Thomas Burnham0
Martin Kang0
Nicolas Lo Grandjean-Thomsen0
Date of Patent
October 2, 2018
0Patent Application Number
139857370
Date Filed
February 15, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A vent arrangement is provided to a mask to discharge exhaled gas from the mask to atmosphere. The vent arrangement is structured to diffuse the exhaust vent flow to produce less air jetting, thereby increasing the comfort of the patient and their bed partner. The vent may include a first wall, a second wall defining an outer perimeter, and a plurality of gas washout vent holes positioned between the first wall and the second wall, the vent holes having an inner edge positioned within the outer perimeter of the second wall.
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