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Coagulation test device, system, and method of use

  • US 10,520,489 B1
  • Filed: 09/12/2019
  • Issued: 12/31/2019
  • Est. Priority Date: 03/15/2019
  • Status: Active Grant
First Claim
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1. A device for processing a cartridge containing a whole blood sample, the device comprising:

  • a recess for receiving the cartridge,a vacuum source coupled to the cartridge,an actuator linked to the cartridge to agitate the cartridge; and

    a controller configured toactivate the vacuum source to move the whole blood sample from a container into a plurality of channels in the cartridge and subsequently into a plurality of reagent chambers where the blood mixes with a reagent, and then through a plurality of serpentine-shaped channels to a plurality of test chambers,activate the actuator to agitate the cartridge,receive signals from a plurality of sensors, each sensor associated with one of the test chambers, where the signals are based on the presence of a spherical member within a magnetic field generated by a magnet positioned adjacent to each of the test chambers,determine whether coagulopathy is present in the whole blood for each test chamber, andoutput an indicator whether coagulopathy is present in the whole blood for each test chamber on a display.

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