2010

Fast, Quantitative Diagnostic Reader for Medical Tests

Kimberly-Clark Corporation

This medical reader can perform diagnostic tests on any bodily fluid that attenuates light, such as blood, urine, sputum, or other fluid. Thousands of potential tests are possible, including immunoassay, colorimetric/chromogenic tests, cholesterol, and osteoporosis calcium levels. This all-in-one diagnostic reader can handle such tests and report results in as little as ten minutes. The prototype performs three identical tests on a single, whole-blood sample for accuracy, but a greater number of simultaneous tests could be performed, or a battery of tests could be performed on the same sample.

A unique lancet draws blood for the prototype system. It slices the skin and creates a pressure differential to avoid injuring the red blood cells by “milking” (typical of finger sticks). In the prototype, one-button activation isolates a specific region of the Pre-Analytic System, transfers the plasma sample to the main test strip, applies diluents to it, and activates the electronic test protocol.

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