Vacuum blood sample collecting device
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United States of America Patent
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Jul 30, 1991
Grant Date -
N/A
app pub date -
May 15, 1989
filing date -
May 17, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blood sample collecting device includes a vacuum blood sampling chamber having a blood container disposed therein, and a vacuum pump for evacuating the vacuum blood sampling chamber to collect a blood sample into the blood container under a vacuum developed in the vacuum blood sampling chamber. The amount of collected blood in the blood container, and the vacuum in the vacuum blood sampling chamber is lowered below a preset pressure on the condition that a rate of increase in the measured amount of collected blood does not reach a predetermined normal rate of increase.
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