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Capillary tube tip design to assist blood flow

  • US 20040133127A1
  • Filed: 12/17/2003
  • Published: 07/08/2004
  • Est. Priority Date: 12/30/2002
  • Status: Abandoned Application
First Claim
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1. A body fluid sampling device, comprising:

  • a sample acquisition element defining a cavity;

    a incision forming member slidably disposed in the cavity to form an incision in skin, the sample acquisition element and the incision forming member defining a fluid passage that is sized to draw body fluid from the incision via capillary action; and

    wherein the sample acquisition element has a skin contact surface that is shaped to maintain the incision open as the sample acquisition element is pressed against the skin to draw the body fluid into the fluid passage.

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