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Method and apparatus for penetrating tissue

  • US 20080249554A1
  • Filed: 04/14/2008
  • Published: 10/09/2008
  • Est. Priority Date: 04/19/2002
  • Status: Active Grant
First Claim
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1. A body fluid sampling system for use on a tissue site, the system comprising:

  • an electrically powered drive force generator, wherein the drive force generator is selected from a voice coil drive force generator and a rotary voice coil drive force generator;

    a penetrating member operatively coupled to said force generator, said force generator moving said member along a path out of a housing having a penetrating member exit, into said tissue site, stopping in said tissue site, and withdrawing out of said tissue site;

    an analyte detecting member positioned to receive fluid from a wound created by said penetrating member, said detection member configured to determine a concentration of an analyte in the fluid using a sample of less than 1 μ

    L of the fluid

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