Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 30, 2007
Patent Application Number
10806029
Date Filed
March 22, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A lancing device having a low-mass, high-velocity lancet decoupled from a drive mechanism when piercing a user's skin. The drive mechanism includes a spring-driven piston that impacts the lancet on firing to propel the lancet from a retracted position towards an extended position. After impact, but before the lancet reaches the extended position, a stop limits the travel of the piston to separate the piston from the lancet. Precise guidance of the lancet minimizes lateral movement of the lancet.
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