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Self flushing luer activated blood sampling devices

  • US 7,314,452 B2
  • Filed: 02/23/2006
  • Issued: 01/01/2008
  • Est. Priority Date: 01/10/2005
  • Status: Active Grant
First Claim
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1. An apparatus for allowing a fluid pressure measurement and a fluid sample to be taken from a patient, comprising:

  • an inlet port configured to receive a first fluid from the patient;

    an outlet port coupled to the inlet port through a monitoring channel and configured to receive a second fluid;

    a sampling port configured for extraction of the first fluid from the patient;

    an auxiliary channel having first and second ends, the first end coupled to the outlet port; and

    a four-port two-position sampling valve having a passageway, the sampling valve in a first position connecting the sampling port to the inlet port and the sampling valve in a second position connecting the second end of the auxiliary channel to the passageway for self-flushing the passageway with the second fluid.

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