Non-invasive spectroscopy of mammalian tissues
First Claim
1. A non-invasive spectrometric device for assessing the level of hemoglobin in mammalian tissues comprising (a) wavelength filter means for transmitting or reflecting wavelengths of light;
- (b) light intensity sensor means arranged and disposed to measure the intensity of the wavelengths transmitted or reflected by the wavelength filter means and generate an electrical signal therefrom, (c) output processing means connected to the light intensity sensor means to receive and process the output therefrom; and
(d) display means connected to the output processing means to display the output.
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Accused Products
Abstract
In the spectrometric device of this invention the objective lens and diffraction grating are replaced with a spectral imaging apparatus on electrically switchable color filter technology. The spectrometric device includes wavelength filter means as the spectral imaging apparatus for transmitting or reflecting wavelengths of light, light intensity sensor means arranged and disposed to measure the intensity of the wavelengths transmitted or reflected by the wavelength filter means and generate an electrical signal from the wavelengths transmitted or reflected, output processing means connected to the light intensity sensor means to receive and process the output from the light intensity sensor means, and display means connected to the output processing means to display the output.
32 Citations
20 Claims
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1. A non-invasive spectrometric device for assessing the level of hemoglobin in mammalian tissues comprising (a) wavelength filter means for transmitting or reflecting wavelengths of light;
- (b) light intensity sensor means arranged and disposed to measure the intensity of the wavelengths transmitted or reflected by the wavelength filter means and generate an electrical signal therefrom, (c) output processing means connected to the light intensity sensor means to receive and process the output therefrom; and
(d) display means connected to the output processing means to display the output. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
- (b) light intensity sensor means arranged and disposed to measure the intensity of the wavelengths transmitted or reflected by the wavelength filter means and generate an electrical signal therefrom, (c) output processing means connected to the light intensity sensor means to receive and process the output therefrom; and
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20. The device of claim wherein the light intensity sensor means is selected from the group consisting of an array of CCD and a photodiode.
Specification