Blood collection and testing device
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United States of America Patent
Stats
-
Jan 24, 1995
Grant Date -
N/A
app pub date -
Jun 29, 1993
filing date -
Jun 29, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Described is a blood collection and testing device including a hollow housing surrounding a vertical axis and having horizontally disposed: an upper annular end; a larger, lower annular end equipped with gauze adapted to receive a blood sample; a circular membrane located above the lower annular end and centrally provided with a puncturably rupturable bubble containing a chemical reagent reactable with human blood; and a centrally-perforate wall located in-between the circular membrane and the housing upper annular end. Slidably disposed within the housing upper annular end is a pushbutton provided with a needle extending along the vertical axis and adapted to puncturably rupture the circular membrane bubble as the slidable pushbutton moves along the vertical axis. A resiliently yieldable helical spring surrounds the needle and bears between the centrally-perforate wall and the pushbutton.
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