Body activity measurement device
First Claim
1. A body activity measurement device comprising:
- a light irradiation unit configured to irradiate light of a specified wavelength on a specified measurement site of a body of a subject;
a light detector configured to detect the intensity of the light exiting from the aforementioned measurement site based on the irradiated light of the light irradiation unit;
a time sequence data generator that, based on the time sequence changes of the intensity of the exiting light that the light detector detects, generates time sequence data suggesting the changes in amount or changes in concentration of a specified body substance pertaining to the body activity; and
multiple baseline correction units that correct baselines that mutually differ in relation to the aforementioned time sequence data obtained when the aforementioned subject performs specified assignments, configured such that the aforementioned baseline correction of the time sequence data can be conducted using one or multiple baseline correction units corresponding to the assignment performed by the subject.
1 Assignment
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Accused Products
Abstract
A body activity measurement device is provided with a light irradiation unit that irradiates near infrared light of a specified wavelength on a specified measurement site of a brain of a subject; a light detector that detects the intensity of the light exiting from the measurement site; a light absorbance data generator that from the time sequence changes of the intensity of the exiting light generates light absorbance time sequence data suggesting the changes in the concentration of oxyHb, deoxyHb and totalHb; and multiple baseline correction units that correct baselines that mutually differ in relation to the light absorbance time sequence data obtained when the subject performs specified assignments; and configured such that the baseline correction of the light absorbance time sequence data can be conducted using the baseline correction units corresponding to the assignment performed by the subject.
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Citations
17 Claims
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1. A body activity measurement device comprising:
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a light irradiation unit configured to irradiate light of a specified wavelength on a specified measurement site of a body of a subject; a light detector configured to detect the intensity of the light exiting from the aforementioned measurement site based on the irradiated light of the light irradiation unit; a time sequence data generator that, based on the time sequence changes of the intensity of the exiting light that the light detector detects, generates time sequence data suggesting the changes in amount or changes in concentration of a specified body substance pertaining to the body activity; and multiple baseline correction units that correct baselines that mutually differ in relation to the aforementioned time sequence data obtained when the aforementioned subject performs specified assignments, configured such that the aforementioned baseline correction of the time sequence data can be conducted using one or multiple baseline correction units corresponding to the assignment performed by the subject. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A body activity measurement system comprising:
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a light irradiation unit configured to irradiate light of a specified wavelength on a specified measurement site of the body of a subject to provide a measurement of a characteristic of the body; a light detector configured to detect the intensity of the light exiting from the aforementioned measurement site based on the irradiated light of the light irradiation unit; a predetermined assigned task material to require activity by the body of the subject; a stored table of correction values related to predetermined baseline values associated with the predetermined assigned task; a time sequence data generator that, based on the time sequence changes of the intensity of the exiting light that the light detector detects, generates time sequence data representative of changes in the characteristics of the body during and after the predetermined assigned task; and a baseline correction assembly for determining from the time sequence data a baseline value corrected by a correction value obtained from the stored table of correction values appropriate to the body of the subject and the predetermined assigned task. - View Dependent Claims (14)
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15. A body activity measurement device comprising:
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a detector unit configured to be operatively connected to a body of a subject for providing measurement signals characteristic of the body during and after a predetermined activity of the subject; a time sequence generator that, based on the time sequence changes of signals that the detector unit detects, generates time sequence data of the changes in the characteristic of the body during the body activity; and multiple baseline correction units that correct baselines that mutually differ in relation to the aforementioned time sequence data obtained when the aforementioned subject performs a specified assignment, wherein the aforementioned baseline correction of the time sequence data can be conducted using one or more multiple baseline correction units corresponding to the assignment performed by the subject. - View Dependent Claims (16, 17)
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Specification