Chemistry: analytical and immunological testing – Hemoglobin – myoglobin – or occult blood
Reexamination Certificate
2004-05-14
2008-11-11
Wallenhorst, Maureen M (Department: 1797)
Chemistry: analytical and immunological testing
Hemoglobin, myoglobin, or occult blood
C436S063000, C436S164000, C422S082050, C422S082090, C702S019000
Reexamination Certificate
active
07449339
ABSTRACT:
A method and apparatus for measuring Tot-Hb in a sample are provided. The method involves collecting absorbance measurements of a sample using a spectroscopic apparatus that includes a first primary calibration algorithm for one of Oxy-Hb, “Oxy-Hb plus Deoxy-Hb”, or “Total-Hb minus Met-Hb” and a second primary calibration algorithm for one or more than one of Met-Hb, Carboxy-Hb, or Sulf-Hb, or includes a third primary calibration algorithm obtained by adding terms of the first primary calibration algorithm and the second primary calibration algorithm together. Followed by predicting either a first value for one of Oxy-Hb, “Oxy-Hb plus Deoxy-Hb,” or “Total-Hb minus Met-Hb” and predicting second value for one or more than one of Met-Hb, Carboxy-Hb, or Sulf-Hb in the sample and adding the first and second value together, or predicting a value for Total-Hb.
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Communication from European Patent Office in counterpart foreign application No. EP 04 253 225.9.
Maclntyre Duncan
Samsoondar James
Arent & Fox LLP
NIR Diagnostics Inc.
Wallenhorst Maureen M
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