Low cost safety lancet
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 7, 2011
Grant Date -
Aug 9, 2007
app pub date -
Jun 24, 2005
filing date -
Jun 25, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lancing device has a housing, an activation/retraction control assembly, and a lancet. The control assembly and the housing have cooperating engagement structures such as detents that disengage after a predetermined launch force is applied to the control assembly. In this way, the lancet is driven to its puncturing position without the use of a drive spring. In addition, the control assembly and the lancet have cooperating releasable engagement structures such as notched sections and tamped protrusions that disengage when the lancet reaches its puncturing position, thereby freeing the lancet from the control assembly. And the control assembly has angled retraction structures that engage the freed lancet to bias it back safely into the housing.
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