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SINGLE-USE DISPOSABLE LANCING APPARATUS AND METHODS

  • US 20090264911A1
  • Filed: 04/15/2009
  • Published: 10/22/2009
  • Est. Priority Date: 04/16/2008
  • Status: Abandoned Application
First Claim
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1. A lancing apparatus configured to reduce pain in taking body fluid samples from the skin, the lancing apparatus comprising:

  • a housing with an inner space; and

    an actuation assembly comprising a lancet needle, a divider and an actuator, the lancet needle having a retracted needle configuration and an extended configuration, the retracted needle configuration enclosing the lancet needle within the housing, the extended configuration at least partially extending the lancet needle outside the housing, the lancet needle operably connected to and extending distally from the divider, the divider operably connected to and distal to the actuator, the divider having a divider front surface and a divider back surface, the divider axially moveable within the inner space, the actuator configured for actuating the lancet needle from the retracted needle configuration to the extended configuration, wherein at least one of the divider front surface and the divider back surface is fluidly connected to a substantially sealed chamber within the inner space, the substantially sealed chamber configured for using a relative differential pressure to actuate the lancet needle from the extended configuration to the retracted needle configuration.

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