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Catalysts for body fluid sample extraction

  • US 8,795,201 B2
  • Filed: 01/28/2013
  • Issued: 08/05/2014
  • Est. Priority Date: 09/30/2005
  • Status: Active Grant
First Claim
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1. An arrangement for producing a sample of body fluid from a wound opening created in a skin surface at a sampling site, the arrangement comprising:

  • a cartridge comprising a plurality of compartments and a plurality of sampling sites, wherein each of the sampling sites comprisesa skin-penetration member having a first end configured to pierce the surface of the skin, and an inner lumen in communication with the first end,a torsional spring actuator operatively associated with the skin-penetration member, anda needle hub connecting the skin-penetration member and the torsional spring actuator, wherein the needle hub comprises a reagent pad and wherein the torsional spring actuator is configured to drive the skin-penetration member in an arcuate path to form the wound opening; and

    a detector assembly,wherein each of the compartments at least partially encloses the skin-penetration member, torsional spring, and needle hub of a respective sampling site of the plurality of sampling sites.

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