| Patent Number |
Title Of Patent |
Date Issued |
| 6353471 |
Method and apparatus for non-destructive screening of specimen integrity |
March 5, 2002 |
| A method and apparatus for providing a non-destructive pre-test screen of specimen integrity for a blood analyzer by measurement of absorbance or reflectance is provided. The method involves measurement of polychromatic light in the near infrared and adjacent visible region, which is eit |
| 6235534 |
Incremental absorbance scanning of liquid in dispensing tips |
May 22, 2001 |
| A method and apparatus for detecting improper liquid content of a metering tip of an analyzer. The method detects the content or status using radiation between 630 and 2000 nm, and comprises the steps of: a) aspirating the liquid into the tips; b) scanning the liquid; c) providing re |
| 6013528 |
Analyzer throughput featuring through-the-tip analysis |
January 11, 2000 |
| Apparatus and method for detecting patient sample quality, and/or analytes, in the tip used to aspirate the patient sample liquid and then dispense it onto a slide test element. Spectrophotometric analysis is done on the liquid while still in the tip, by scanning the tip for transmittanc |
| 5958789 |
Reduction in positive bias in wet assays due to splashing |
September 28, 1999 |
| A method of preventing false detection of signal due to splashing of reagent liquid used to produce such signal, when dispensing at least one such liquid from a metering tip into a second liquid, comprising the steps of: a) positioning the metering tip a predetermined distance above the |
| 5895761 |
Surface area liquid transfer method and related apparatus |
April 20, 1999 |
| An apparatus and a related method for uniformly transferring a liquid material to a test slide element in which a transfer element having a liquid supporting surface area approximately equal to the surface area subtended by the test volume of the test slide element is brought into di |
| 5846492 |
Sample quality measurement and/or analyte measurement in the dispensing tip of an analyzer |
December 8, 1998 |
| Apparatus and method for detecting patient sample quality, and/or analytes, in the tip used to aspirate the patient sample liquid and then dispense it onto a slide test element. Spectrophotometric analysis is done on the liquid while still in the tip, by scanning the tip for transmittanc |
| 5759010 |
Sealed cartridge to improve chemistry stability of test elements |
June 2, 1998 |
| An improved cartridge and method of dispensing test elements therefrom, which seals off the elements from exposure to the atmosphere. The cartridge includes, at its end apertured to eject test elements, a cover plate, said plate optionally being biased into contact with the end-most |
| 5715611 |
Apparatus for controlling humidity |
February 10, 1998 |
| Humidity control apparatus for articles being stored, comprising: a) a chamber within which the articles are to be contained, b) a conveyor passing by a portion of, and exposed to, the contents of the chamber, c) a drive mechanism for driving the conveyor past the portion of the chamber, |
| 5641688 |
Immunoassay including washing a slide at different locations |
June 24, 1997 |
| A method of separating bound labeled indicator from free labeled indicator in a layer of a test element for immunoassay. The method comprisesa) depositing sample containing a target immunoanalyte capable of binding to the labeled indicator or to an immobilized antibody in competition with |
