Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 30, 2018
Patent Application Number
13394638
Date Filed
September 7, 2010
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A blood collection device comprising a cannula hub defining a chamber; an inlet cannula and an outlet cannula mounted to the cannula hub; a closed sleeve mounted over a portion of the outlet cannula; and a venting mechanism between the chamber and the ambient surroundings comprising a tubular insert and a membrane permeable to air and substantially impermeable to blood.
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