Blood sampling device
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United States of America Patent
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-
Jan 30, 1996
Grant Date -
N/A
app pub date -
Sep 27, 1994
filing date -
Apr 1, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A blood sampling device has a tubular body (1, 2) housing a spring loaded (7) lancet (8) whose needle (17) is initially protected by a cap (20) which projects out from the forward end of the body. A rocker-like trigger (9) is formed as part of the moulded body (1,2) and holds the lancet (8) in a retracted position when the lancet is pushed back by the projecting cap (20). The cap can then be removed by a twist and pull action, breaking it free from the lancet body, which is prevented from rotating. Pressure on the trigger (9) releases the lancet (8), which is shot forward by the spring (7) for momentary projection of the needle tip (19), and then retracts to bring the needle tip within the body.
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