Method and apparatus for monitoring biological abnormality and blood pressure
First Claim
1. A clinical and physiological abnormality monitoring apparatus comprising:
- means for detectiong vasomotion of a body in a percutaneous manner; and
means for determining a clinical and physiological abnormality upon the detected vasomotion, wherein the detecting means detects a change contained in a blood flow condition of the blood vessels in the percutaneous manner so as to acquire a fluctuation of the blood flow condition caused by the vasomotion, the acquired fluctuation being used to determine the clinical and physiological abnormality.
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Abstract
In a clinical and physiological abnormality monitoring apparatus, and blood pressure monitoring apparatus detects a blood pressure abnormality and the like of a body by employing a pulse wave signal. A frequency analysis is carried out with respect to a pulse wave signal, while this pulse wave signal corresponds to time sequential data of pulse waves. As a result, both a C-frequency component indicative of a fluctuation component of a base line of the pulse wave signal, and also an A-frequency component representative of the respective pulse waves are acquired. A ratio C/A of power of a peak contained in the C-frequency component with respect to power of a peak contained in the A-frequency component is calculated to determine abnormality of the blood pressure.
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Citations
45 Claims
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1. A clinical and physiological abnormality monitoring apparatus comprising:
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means for detectiong vasomotion of a body in a percutaneous manner; and
means for determining a clinical and physiological abnormality upon the detected vasomotion, wherein the detecting means detects a change contained in a blood flow condition of the blood vessels in the percutaneous manner so as to acquire a fluctuation of the blood flow condition caused by the vasomotion, the acquired fluctuation being used to determine the clinical and physiological abnormality. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A blood pressure monitoring apparatus comprising:
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means for detecting vasomotion of a body in a percutaneous manner; and
means for measuring a blood pressure based upon the detected vasomotion, wherein the detecting means detects a change contained in a blood flow condition of the blood vessel in the percutaneous manner so as to acquire a fluctuation of the blood flow condition caused by the vasomotion, the acquired fluctuation being used to measure the blood pressure. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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Specification