Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 24, 2017
Patent Application Number
13185139
Date Filed
July 18, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
A vent plug is disclosed that includes a body having a distal end, a proximal end, and a lumen extending through the distal and proximal ends. A membrane is disposed across the lumen, the membrane being hydrophobic and air permeable. A fluid chamber is formed within the lumen distal the membrane. A distal lumen opening being shaped and sized to retain blood within the lumen until the internal pressure of the lumen increases in response the a finger pressing against a proximal lumen opening.
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