MEDICAL APPARATUS, PHISIOLOGICAL PARAMETER ANALYZING METHOD AND COMPUTER READABLE MEDIUM
First Claim
1. A medical apparatus comprising:
- a light emitter that is configured to emit light beams of different wavelengths to living tissue;
a light detector that is configured to detect the light beams of different wavelengths emitted from the light emitter, through the living tissue;
an acquiring section that calculates absorbances of arterial blood for the respective light beams of different wavelengths, based on the light beams detected by the light detector, that acquires a pulse waveform based on the absorbances, and that acquires a parameter corresponding to an oxygen saturation from a ratio of the absorbances;
a detecting section that detects variation of the parameter corresponding to the oxygen saturation acquired by the acquiring section; and
an evaluating section that evaluates the pulse waveform that is acquired for a purpose of pulse wave analysis by the acquiring section, based on a result of the detection by the detecting section.
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Accused Products
Abstract
A medical apparatus includes a light emitter configured to emit light beams of different wavelengths to living tissue, a light detector configured to detect the light beams of different wavelengths emitted from the light emitter, an acquiring section that calculates absorbances of arterial blood for the respective light beams of different wavelengths based on the light beams detected by the light detector, that acquires a pulse waveform based on the absorbances, and that acquires a parameter corresponding to an oxygen saturation from a ratio of the absorbances, a detecting section that detects variation of the parameter corresponding to the oxygen saturation acquired by the acquiring section, and an evaluating section that evaluates the pulse waveform acquired for a purpose of pulse wave analysis by the acquiring section based on a result of the detection by the detecting section.
2 Citations
13 Claims
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1. A medical apparatus comprising:
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a light emitter that is configured to emit light beams of different wavelengths to living tissue; a light detector that is configured to detect the light beams of different wavelengths emitted from the light emitter, through the living tissue; an acquiring section that calculates absorbances of arterial blood for the respective light beams of different wavelengths, based on the light beams detected by the light detector, that acquires a pulse waveform based on the absorbances, and that acquires a parameter corresponding to an oxygen saturation from a ratio of the absorbances; a detecting section that detects variation of the parameter corresponding to the oxygen saturation acquired by the acquiring section; and an evaluating section that evaluates the pulse waveform that is acquired for a purpose of pulse wave analysis by the acquiring section, based on a result of the detection by the detecting section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for analyzing a physiological parameter, the method being used in a medical apparatus having a light emitter that is configured to emit light beams of different wavelengths to living tissue including arterial blood, and a light detector that is configured to detect the light beams of different wavelengths emitted from the light emitter, through the living tissue, the method comprising:
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calculating absorbances of the arterial blood for the respective light beams of different wavelengths, based on the light beams detected by the light detector; acquiring a pulse waveform based on the absorbances and a parameter corresponding to an oxygen saturation from a ratio of the absorbances; detecting variation of the parameter corresponding to the oxygen saturation acquired in the acquiring; and evaluating the pulse waveform which is acquired for a purpose of pulse wave analysis in the acquiring, based on a result of the detection in the detecting.
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13. A non-transitory computer readable medium storing a program executed in an apparatus for processing a physiological parameter obtained from a light emitter that is configured to emit light beams of different wavelengths to living tissue and a light detector that is configured to detect the light beams of different wavelengths emitted from the light emitter, through the living tissue, wherein the program cause the apparatus to executes:
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calculating absorbances of the arterial blood for the respective light beams of different wavelengths, based on the light beams detected by the light detector; acquiring a pulse waveform based on the absorbances and a parameter corresponding to an oxygen saturation from a ratio of the absorbances; detecting variation of the parameter corresponding to the oxygen saturation acquired in the acquiring; and evaluating the pulse waveform which is acquired for a purpose of pulse wave analysis in the acquiring, based on a result of the detection in the detecting.
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Specification