Patent ID: 7313257

Claim:
A self-contained, optical hand-held diagnostic device, the device comprising: a body having a pocket-sized form factor sized and shaped for engagement by a user's hand; a power supply disposed within said body; a display disposed integrally with said body; a holder configured for receiving reagent sample media therein, the sample media having a plurality of test areas disposed in spaced relation thereon, each of the test areas configured to react with a sample when disposed in contact with the sample and to change color according to an amount of a constituent or property in the sample; the holder sized and shaped for forming an indexed fit with the sample media; a micro-array of imagers disposed within said body; each of said imagers being superposed with a respective one of the test areas when the sample media is indexed within said holder; the imagers being configured to each capture an image of the test area respectively superposed therewith; a processor coupled to said imagers; said processor configured to analyze said images of said test areas; said processor configured to derive a diagnosis value from said analysis, and to generate an output corresponding thereto; and said display configured to receive and display said output; wherein said device is a unitary, self-contained, pocket-sized diagnostic tool.