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Tissue penetration device

  • US 7,850,622 B2
  • Filed: 12/22/2005
  • Issued: 12/14/2010
  • Est. Priority Date: 06/12/2001
  • Status: Active Grant
First Claim
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1. A lancing system comprisinga controllable driver that includes a driver coil pack, the controllable driver having a proximal end and a distal end with a distal end of a coupler shaft disposed at the distal end of the controllable driver;

  • a ratchet drive mechanism operably disposed at the distal end of the controllable driver; and

    a plurality of lancets configured to be sequentially advanced by the ratchet drive mechanism into a coupled configuration with the coupler shaft of the controllable driver, each of a lancet being configured to be coupled to the controllable driver to be advanced from a housing to penetrating a skin surface and create an aperture from which a body fluid flows to an interior of the housing that includes a plurality of sample chambers.

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