Blood-sampling tube
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United States of America Patent
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May 12, 1987
Grant Date -
N/A
app pub date -
Jan 24, 1986
filing date -
Jan 24, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blood-sampling tube assembly comprises a cap fitted onto the open end of a blood-sampling tube and having inner and outer walls between which the walls of the tube is snugly received. According to the invention, the cap is formed with an outwardly open and upwardly open compartment containing a self sealing membrane pierceable by a needle and held in place by a laminate, e.g. aluminum foil and a heat sealing layer, bonded to an end wall of the cap bridging the inner and outer walls and closing the membrane within the compartment.
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