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Detecting a blood sample

  • US 9,880,254 B2
  • Filed: 09/21/2012
  • Issued: 01/30/2018
  • Est. Priority Date: 09/22/2011
  • Status: Active Grant
First Claim
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1. Apparatus for detecting presence of a blood sample, the apparatus comprising:

  • a housing having an aperture, the aperture configured to receive a body part of a user, wherein the housing is configured to retain a cylindrical cartridge having a vertical axis that is coaxial with an elongate shaft supported centrally within the cylindrical cartridge, where the elongate shaft is rotatable and has directly mounted thereon a plurality of testing members, wherein each of the plurality of testing members include a notch at a first position at an edge of each of the plurality of testing members and a cutaway portion at a second position at the edge of each of the plurality of testing members, and wherein each of the plurality of testing members rotates with the shaft and comprises a blood collection part located at a third position at the edge of each of the plurality of testing members, wherein the third position is located between the notch and the cutaway portion;

    a camera having a field of view that encompasses at least a portion of the aperture, the camera configured to capture images of the user'"'"'s body part; and

    a processor configured to;

    control operation of the camera;

    receive the captured images;

    determine whether a predetermined quantity of blood is present on the surface of the user'"'"'s body part.

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