Methods and apparatus for lancet actuation

  • US 8,414,503 B2
  • Filed: 03/16/2007
  • Issued: 04/09/2013
  • Est. Priority Date: 04/19/2002
  • Status: Active Grant
First Claim
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1. A body fluid sampling device for use on a tissue site, comprising:

  • a housing;

    an electronic drive force generator configured to be coupled to a penetrating member;

    a multiple penetrating member cartridge;

    a processor coupled to the drive force generator capable of changing a direction and magnitude of force exerted on a penetrating member during a lancing cycle;

    a feedback control coupled to the processor, the feedback control providing information to the processor based on at least one of penetrating member, displacement velocity and acceleration;

    a human interface on the housing;

    a human interface processor; and

    wherein the housing and all elements therein have a combined weight of less than about 0.5 lbs and the electronic drive force generator uses electricity to create a controllable electromagnetic field for actuating a penetrating member.

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