Design considerations for aural vital signs using PZT piezoelectric ceramics sensor based on the computerization method

The purpose was to illustrate how system developed for measurement of the aural vital signs such as patient's heart and lung sounds in the hospital. For heart sounds measurement must operate the frequency response between 20 - 800 Hz, and lung sounds measurement must operate the frequency respo...

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Main Authors: Noimanee S., Tunkasiri T., Siriwitayakorn K., Tantrakoon J.
Format: Article
Language:English
Published: 2014
Online Access:http://www.scopus.com/inward/record.url?eid=2-s2.0-39749137409&partnerID=40&md5=22dbde9940b8a3b10c56041e89ddd11a
http://cmuir.cmu.ac.th/handle/6653943832/1311
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Institution: Chiang Mai University
Language: English
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spelling th-cmuir.6653943832-13112014-08-29T09:29:07Z Design considerations for aural vital signs using PZT piezoelectric ceramics sensor based on the computerization method Noimanee S. Tunkasiri T. Siriwitayakorn K. Tantrakoon J. The purpose was to illustrate how system developed for measurement of the aural vital signs such as patient's heart and lung sounds in the hospital. For heart sounds measurement must operate the frequency response between 20 - 800 Hz, and lung sounds measurement must operate the frequency response between 160 - 4,000 Hz. The method was designed PZT piezoelectric ceramics for both frequency response in the same PZT sensor. It converts a signal from aural vital sign form to voltage signal. The signal is suitably amplified and re-filtered in band pass frequency band. It is converted to digital signal by an analog to digital conversion circuitry developed for the purpose. The results were that all signals can fed to personal computer through the sound card port. With the supporting software for drawing of graphic on the screen, the signal for a specific duration is accessed and stored in the computer's memory in term of each patient's data. In conclusion, the data of each patient call dot pcg (.pcg) for drawing graph and dot wave (.wave) for sound listening or automatic sending via electronic mail to the physician for later analysis of interpreting the sounds on the basis of their time domain and frequency domain representation to diagnose heart disorders. © 2007 by MDPI. 2014-08-29T09:29:07Z 2014-08-29T09:29:07Z 2007 Article 14243210 http://www.scopus.com/inward/record.url?eid=2-s2.0-39749137409&partnerID=40&md5=22dbde9940b8a3b10c56041e89ddd11a http://cmuir.cmu.ac.th/handle/6653943832/1311 English
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
language English
description The purpose was to illustrate how system developed for measurement of the aural vital signs such as patient's heart and lung sounds in the hospital. For heart sounds measurement must operate the frequency response between 20 - 800 Hz, and lung sounds measurement must operate the frequency response between 160 - 4,000 Hz. The method was designed PZT piezoelectric ceramics for both frequency response in the same PZT sensor. It converts a signal from aural vital sign form to voltage signal. The signal is suitably amplified and re-filtered in band pass frequency band. It is converted to digital signal by an analog to digital conversion circuitry developed for the purpose. The results were that all signals can fed to personal computer through the sound card port. With the supporting software for drawing of graphic on the screen, the signal for a specific duration is accessed and stored in the computer's memory in term of each patient's data. In conclusion, the data of each patient call dot pcg (.pcg) for drawing graph and dot wave (.wave) for sound listening or automatic sending via electronic mail to the physician for later analysis of interpreting the sounds on the basis of their time domain and frequency domain representation to diagnose heart disorders. © 2007 by MDPI.
format Article
author Noimanee S.
Tunkasiri T.
Siriwitayakorn K.
Tantrakoon J.
spellingShingle Noimanee S.
Tunkasiri T.
Siriwitayakorn K.
Tantrakoon J.
Design considerations for aural vital signs using PZT piezoelectric ceramics sensor based on the computerization method
author_facet Noimanee S.
Tunkasiri T.
Siriwitayakorn K.
Tantrakoon J.
author_sort Noimanee S.
title Design considerations for aural vital signs using PZT piezoelectric ceramics sensor based on the computerization method
title_short Design considerations for aural vital signs using PZT piezoelectric ceramics sensor based on the computerization method
title_full Design considerations for aural vital signs using PZT piezoelectric ceramics sensor based on the computerization method
title_fullStr Design considerations for aural vital signs using PZT piezoelectric ceramics sensor based on the computerization method
title_full_unstemmed Design considerations for aural vital signs using PZT piezoelectric ceramics sensor based on the computerization method
title_sort design considerations for aural vital signs using pzt piezoelectric ceramics sensor based on the computerization method
publishDate 2014
url http://www.scopus.com/inward/record.url?eid=2-s2.0-39749137409&partnerID=40&md5=22dbde9940b8a3b10c56041e89ddd11a
http://cmuir.cmu.ac.th/handle/6653943832/1311
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