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Systems and methods for parenterally procuring bodily-fluid samples with reduced contamination

  • US 8,231,546 B2
  • Filed: 12/22/2011
  • Issued: 07/31/2012
  • Est. Priority Date: 12/18/2006
  • Status: Active Grant
First Claim
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1. A method of using a sample procurement device for obtaining one or more blood samples from a patient, the sample procurement device including a needle having a lumen configured for insertion into the patient, and a pre-sample reservoir fluidically coupleable to the needle, the method comprising the ordered steps of:

  • inserting the needle into the vasculature of the patient;

    establishing fluid communication between the needle and the pre-sample reservoir;

    receiving a first volume of blood into the pre-sample reservoir;

    fluidically isolating the needle from the pre-sample reservoir;

    establishing fluid communication between the needle and a sample vessel; and

    receiving a second volume of blood subsequent to the first volume of blood into the sample vessel.

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