Cargando…
Validation of Noninvasive MOEMS-Assisted Measurement System Based on CCD Sensor for Radial Pulse Analysis
Examination of wrist radial pulse is a noninvasive diagnostic method, which occupies a very important position in Traditional Chinese Medicine. It is based on manual palpation and therefore relies largely on the practitioner′s subjective technical skills and judgment. Consequently, it lacks reliabil...
Autores principales: | , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Molecular Diversity Preservation International (MDPI)
2013
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3673142/ https://www.ncbi.nlm.nih.gov/pubmed/23609803 http://dx.doi.org/10.3390/s130405368 |
_version_ | 1782272218829422592 |
---|---|
author | Malinauskas, Karolis Palevicius, Paulius Ragulskis, Minvydas Ostasevicius, Vytautas Dauksevicius, Rolanas |
author_facet | Malinauskas, Karolis Palevicius, Paulius Ragulskis, Minvydas Ostasevicius, Vytautas Dauksevicius, Rolanas |
author_sort | Malinauskas, Karolis |
collection | PubMed |
description | Examination of wrist radial pulse is a noninvasive diagnostic method, which occupies a very important position in Traditional Chinese Medicine. It is based on manual palpation and therefore relies largely on the practitioner′s subjective technical skills and judgment. Consequently, it lacks reliability and consistency, which limits practical applications in clinical medicine. Thus, quantifiable characterization of the wrist pulse diagnosis method is a prerequisite for its further development and widespread use. This paper reports application of a noninvasive CCD sensor-based hybrid measurement system for radial pulse signal analysis. First, artery wall deformations caused by the blood flow are calibrated with a laser triangulation displacement sensor, following by the measurement of the deformations with projection moiré method. Different input pressures and fluids of various viscosities are used in the assembled artificial blood flow system in order to test the performance of laser triangulation technique with detection sensitivity enhancement through microfabricated retroreflective optical element placed on a synthetic vascular graft. Subsequently, the applicability of double-exposure whole-field projection moiré technique for registration of blood flow pulses is considered: a computational model and representative example are provided, followed by in vitro experiment performed on a vascular graft with artificial skin atop, which validates the suitability of the technique for characterization of skin surface deformations caused by the radial pulsation. |
format | Online Article Text |
id | pubmed-3673142 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2013 |
publisher | Molecular Diversity Preservation International (MDPI) |
record_format | MEDLINE/PubMed |
spelling | pubmed-36731422013-06-19 Validation of Noninvasive MOEMS-Assisted Measurement System Based on CCD Sensor for Radial Pulse Analysis Malinauskas, Karolis Palevicius, Paulius Ragulskis, Minvydas Ostasevicius, Vytautas Dauksevicius, Rolanas Sensors (Basel) Article Examination of wrist radial pulse is a noninvasive diagnostic method, which occupies a very important position in Traditional Chinese Medicine. It is based on manual palpation and therefore relies largely on the practitioner′s subjective technical skills and judgment. Consequently, it lacks reliability and consistency, which limits practical applications in clinical medicine. Thus, quantifiable characterization of the wrist pulse diagnosis method is a prerequisite for its further development and widespread use. This paper reports application of a noninvasive CCD sensor-based hybrid measurement system for radial pulse signal analysis. First, artery wall deformations caused by the blood flow are calibrated with a laser triangulation displacement sensor, following by the measurement of the deformations with projection moiré method. Different input pressures and fluids of various viscosities are used in the assembled artificial blood flow system in order to test the performance of laser triangulation technique with detection sensitivity enhancement through microfabricated retroreflective optical element placed on a synthetic vascular graft. Subsequently, the applicability of double-exposure whole-field projection moiré technique for registration of blood flow pulses is considered: a computational model and representative example are provided, followed by in vitro experiment performed on a vascular graft with artificial skin atop, which validates the suitability of the technique for characterization of skin surface deformations caused by the radial pulsation. Molecular Diversity Preservation International (MDPI) 2013-04-22 /pmc/articles/PMC3673142/ /pubmed/23609803 http://dx.doi.org/10.3390/s130405368 Text en © 2013 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/). |
spellingShingle | Article Malinauskas, Karolis Palevicius, Paulius Ragulskis, Minvydas Ostasevicius, Vytautas Dauksevicius, Rolanas Validation of Noninvasive MOEMS-Assisted Measurement System Based on CCD Sensor for Radial Pulse Analysis |
title | Validation of Noninvasive MOEMS-Assisted Measurement System Based on CCD Sensor for Radial Pulse Analysis |
title_full | Validation of Noninvasive MOEMS-Assisted Measurement System Based on CCD Sensor for Radial Pulse Analysis |
title_fullStr | Validation of Noninvasive MOEMS-Assisted Measurement System Based on CCD Sensor for Radial Pulse Analysis |
title_full_unstemmed | Validation of Noninvasive MOEMS-Assisted Measurement System Based on CCD Sensor for Radial Pulse Analysis |
title_short | Validation of Noninvasive MOEMS-Assisted Measurement System Based on CCD Sensor for Radial Pulse Analysis |
title_sort | validation of noninvasive moems-assisted measurement system based on ccd sensor for radial pulse analysis |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3673142/ https://www.ncbi.nlm.nih.gov/pubmed/23609803 http://dx.doi.org/10.3390/s130405368 |
work_keys_str_mv | AT malinauskaskarolis validationofnoninvasivemoemsassistedmeasurementsystembasedonccdsensorforradialpulseanalysis AT paleviciuspaulius validationofnoninvasivemoemsassistedmeasurementsystembasedonccdsensorforradialpulseanalysis AT ragulskisminvydas validationofnoninvasivemoemsassistedmeasurementsystembasedonccdsensorforradialpulseanalysis AT ostaseviciusvytautas validationofnoninvasivemoemsassistedmeasurementsystembasedonccdsensorforradialpulseanalysis AT daukseviciusrolanas validationofnoninvasivemoemsassistedmeasurementsystembasedonccdsensorforradialpulseanalysis |