×

Devices for testing for the presence and/or concentration of an analyte in a body fluid

  • US 20010039057A1
  • Filed: 06/14/2001
  • Published: 11/08/2001
  • Est. Priority Date: 04/05/1996
  • Status: Active Grant
First Claim
Patent Images

1. A method of testing blood for the presence or concentration of an analyte comprising:

  • providing a matrix member comprising a skin side and a test side wherein the skin side comprises a porous skin which is a water insoluble polymeric layer capable of blocking the passage of red blood cells and of allowing passage of blood fluids containing an analyte to the test side of the matrix and wherein the test side of the matrix is the opposite side from the skin side and is isotropic for uniform distribution therein of fluid received from the skin side and comprises an indicator capable of indicating the presence or concentration of the analyte;

    applying a blood sample to the skin side of the matrix; and

    reading or measuring on the test side of the matrix the indication provided by the indicator of the presence or concentration of the analyte without removal of the red blood cells from the skin side of the matrix.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×