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Blood sampling device

  • US 6,719,771 B1
  • Filed: 12/19/2001
  • Issued: 04/13/2004
  • Est. Priority Date: 06/19/1999
  • Status: Active Grant
First Claim
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1. A blood sampling device comprising a barrel containing a spring-loaded lancet releasable by a trigger from a primed rearward position, momentarily to project its tip from the forward end of the barrel, the lancet having a distortable or detachable appendage to engage the barrel and hold the lancet against a drive spring, wherein,the appendage extends rearwardly from the lancet and latches to a detent provided by the internal structure of the barrel, the release of the lancet is by the trigger integral with the barrel being pressed in transversely to the barrel to unlatch the appendage, and the barrel is an integral molding with two halves hinged together to encase the lancet and the spring.

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