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Systems and Methods for Locating A Blood Vessel

  • US 20080287824A1
  • Filed: 05/17/2007
  • Published: 11/20/2008
  • Est. Priority Date: 05/17/2007
  • Status: Active Grant
First Claim
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1. A system for locating a blood vessel, the system comprising:

  • a temperature sensor operable to output a temperature measure of a point on a surface of a skin; and

    a processor in communication with the temperature sensor and configured to;

    receive a first temperature measure from the temperature sensor,receive a second temperature measure from the temperature sensor,determine a differential between the first temperature measure and the second temperature measure, andgenerate an output signal indicating the presence of a blood vessel if the differential exceeds a threshold.

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