Low-Cost Lancing Device with Cantilevered Leaf Spring for Launch and Return
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United States of America Patent
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Issued Date -
Oct 4, 2007
app pub date -
May 26, 2005
filing date -
May 27, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A lancing assembly is pivotally coupled to a housing and includes an actuator and a leaf spring carrying a lancet. When the actuator is in its set position, the leaf spring and lancet are in their set position with the leaf spring engaging a catch member of the housing. When the actuator is moved to its actuated position, the leaf spring pivots and deflects against the catch member, thereby storing a drive charge. The leaf spring then releases from the catch member as the stored charge launches the lancet to its lancing position. The leaf spring recharges towards the end of the lancing stroke, which return charge then retracts the lancet back into the housing.
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Cited Art Landscape
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