Continuous spectroscopic measurement of total hemoglobin
US8483789B2 · kind B2 · utility
30Cited by
30References
36Claims
0Family size
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Key dates
| Filing date | Jan 8, 2008 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Apr 3, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/7203
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods for measuring the total hemoglobin of whole blood include measuring reflective light at multiple wavelengths within the visible spectrum, calculating light absorbance at each of the multiple wavelengths, performing a comparison in a change in like absorbance between the multiple wavelengths, and/or relating the comparison to total hemoglobin. A system for measuring total hemoglobin of whole blood may include at least one light source, a catheter, optical fibers, at least one photodetector, data processing circuitry, and/or a display unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.