METHOD FOR MONITORING ANIMAL RESPIRATION AND/OR PULSE CHANGES

METHOD FOR MONITORING ANIMAL RESPIRATION AND/OR PULSE CHANGES

A method of monitoring variation in either or both respiration and heartbeat of an animal comprising the steps of vibrating a piezoelectric vibrator by continuously or intermittently applying an AC voltage of a frequency corresponding to a natural resonance frequency of the vibrator to the piezoelec...

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Hauptverfasser: OHYA, SHIGEMASA, KIKUCHI, HIROKAZU, SHIGETO, KAZUHIDE
Format: Patent
Sprache:eng ; fre ; ger
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DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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creator OHYA, SHIGEMASA
KIKUCHI, HIROKAZU
SHIGETO, KAZUHIDE
description A method of monitoring variation in either or both respiration and heartbeat of an animal comprising the steps of vibrating a piezoelectric vibrator by continuously or intermittently applying an AC voltage of a frequency corresponding to a natural resonance frequency of the vibrator to the piezoelectric vibrator under such condition that the vibrator is placed directly or indirectly in contact with the surface of the animal's body; collecting a current generated by the vibrator under vibration; and calculating an impedance of the vibrator from a value of the current and a value of the AC voltage applied to the vibrator so as to continuously or intermittently detect variation of the impedance by lapse of time is effective to monitor variation of respiration and/or heartbeat of animals including humans who are in sleep or under exercise and take a variety of positions with high sensitivity.
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subjects DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
title METHOD FOR MONITORING ANIMAL RESPIRATION AND/OR PULSE CHANGES
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