Patent ID: 6673627
Filing Date: 2004-01-06
Classification: A61B,Y10T

Abstract:
A whole blood sample collection device comprising:a reservoir; a metering chamber that empties into the reservoir; a fill port that empties into the metering chamber; and a seal comprising a sweeping element movable between a fill position, in which the seal isolates the reservoir from the metering chamber while defining a liquid flow passageway between the fill port and the metering chamber; an intermediate position in which the seal isolates the metering chamber from the fill port and from the reservoir; and a closed position, in which the seal isolates the fill port from the metering chamber but provides fluid flow communication between the reservoir and the metering chamber; said reservoir, metering chamber, fill port and seal forming a portable, handheld unit and said fill port, metering chamber and seal together defining a sample passageway; and at least a portion of the sample passageway being coated with an anticoagulant.