Non-invasive measurement of skin bilirubin level

Details Non-invasive measurement of skin bilirubin level Non-invasive measurement of skin bilirubin level

2005-08-09

2005-08-09

Smith, Zandra V. (Department: 2877)

Optics: measuring and testing

Blood analysis

C600S306000, C600S315000

Reexamination Certificate

active

06927843

ABSTRACT:
The invention concerns a method and a device for non-invasive measurement of a tissue and in particular of the skin bilirubin level. The inventive device is characterized in that it comprises: a reading head (1) capable of sending several flashes of various specific wavelengths towards the tissue (2) to be examined and of receiving and measuring in return the reflected light; a calculator, such as a microprocessor, capable of calculating for each wavelength the amount of reflected light and bring it to a value calculated proportionally to a reference value identical for a predetermined wavelength; and a comparator for comparing the calculated value to a table of reference values.

REFERENCES:
patent: 4398541 (1983-08-01), Pugliese
patent: 5259382 (1993-11-01), Kronberg
patent: 5933226 (1999-08-01), Yamanishi
patent: 6129664 (2000-10-01), Macfarlane et al.
patent: 38 27 457 (1989-06-01), None
patent: 0 747 002 (1996-12-01), None

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