Comparison of Resistive and Optical Strain Measurement for Early Fracture Detection

To increase learning success in surgical training, physical simulators are supplemented by measurement technology to generate and record objective feedback and error detection. An opportunity to detect fractures following hip stem implantation early can be measurement of occurring strains on bone su...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Carabello Alina, Neupetsch Constanze, Werner Michael, Rotsch Christian, Drossel Welf-Guntram, Zajonz Dirk
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2020
Materias:	strain measurement bone strain gauges digital image correlation fracture Medicine R
Acceso en línea:	https://doaj.org/article/d1342fb653804e1c924207567db1576f
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:d1342fb653804e1c924207567db1576f
record_format	dspace
spelling	oai:doaj.org-article:d1342fb653804e1c924207567db1576f2021-12-05T14:10:42ZComparison of Resistive and Optical Strain Measurement for Early Fracture Detection2364-550410.1515/cdbme-2020-3050https://doaj.org/article/d1342fb653804e1c924207567db1576f2020-09-01T00:00:00Zhttps://doi.org/10.1515/cdbme-2020-3050https://doaj.org/toc/2364-5504To increase learning success in surgical training, physical simulators are supplemented by measurement technology to generate and record objective feedback and error detection. An opportunity to detect fractures following hip stem implantation early can be measurement of occurring strains on bone surface. These strains can be determined while using strain gauges, digital image correlation (DIC) or photoelasticity. In this research strain gauges and DIC were compared regarding their suitability as strain measurement tools for use in physical simulators. Therefore a testing method was described to replicate the implantation of a hip stem. Testing devices modelled on a realistic prosthesis were pressed into prepared porcine femora in a two-step procedure with a material testing machine. The local strains occurring on bone surface were determined using an optical measurement system for DIC and strain gauges. The initial fractures in the tested femora are located medial-anterior in most cases (73,6%). With increasing indentation depth of the test device, the strains on bone surface increase. Comparing the local strains determined by DIC and strain gauges consistencies in curves are noticeable. Maximal determined strains before fracturing amount to 0,69% with strain gauges and 0,75% with DIC. In the range of the fracture gap, strain gradients are determined by using DIC. However the detected surfaces are of low quality caused by gaps and motion artefacts. The results show strains on bone surfaces for early fracture detection are measurable with strain gauges and DIC. DIC is assessed as less suitable compared to strain gauges. Furthermore strain gauges have greater level of integration and economic efficiency, so they are preferred the use in surgical training simulators.Carabello AlinaNeupetsch ConstanzeWerner MichaelRotsch ChristianDrossel Welf-GuntramZajonz DirkDe Gruyterarticlestrain measurementbonestrain gaugesdigital image correlationfractureMedicineRENCurrent Directions in Biomedical Engineering, Vol 6, Iss 3, Pp 196-199 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	strain measurement bone strain gauges digital image correlation fracture Medicine R
spellingShingle	strain measurement bone strain gauges digital image correlation fracture Medicine R Carabello Alina Neupetsch Constanze Werner Michael Rotsch Christian Drossel Welf-Guntram Zajonz Dirk Comparison of Resistive and Optical Strain Measurement for Early Fracture Detection
description	To increase learning success in surgical training, physical simulators are supplemented by measurement technology to generate and record objective feedback and error detection. An opportunity to detect fractures following hip stem implantation early can be measurement of occurring strains on bone surface. These strains can be determined while using strain gauges, digital image correlation (DIC) or photoelasticity. In this research strain gauges and DIC were compared regarding their suitability as strain measurement tools for use in physical simulators. Therefore a testing method was described to replicate the implantation of a hip stem. Testing devices modelled on a realistic prosthesis were pressed into prepared porcine femora in a two-step procedure with a material testing machine. The local strains occurring on bone surface were determined using an optical measurement system for DIC and strain gauges. The initial fractures in the tested femora are located medial-anterior in most cases (73,6%). With increasing indentation depth of the test device, the strains on bone surface increase. Comparing the local strains determined by DIC and strain gauges consistencies in curves are noticeable. Maximal determined strains before fracturing amount to 0,69% with strain gauges and 0,75% with DIC. In the range of the fracture gap, strain gradients are determined by using DIC. However the detected surfaces are of low quality caused by gaps and motion artefacts. The results show strains on bone surfaces for early fracture detection are measurable with strain gauges and DIC. DIC is assessed as less suitable compared to strain gauges. Furthermore strain gauges have greater level of integration and economic efficiency, so they are preferred the use in surgical training simulators.
format	article
author	Carabello Alina Neupetsch Constanze Werner Michael Rotsch Christian Drossel Welf-Guntram Zajonz Dirk
author_facet	Carabello Alina Neupetsch Constanze Werner Michael Rotsch Christian Drossel Welf-Guntram Zajonz Dirk
author_sort	Carabello Alina
title	Comparison of Resistive and Optical Strain Measurement for Early Fracture Detection
title_short	Comparison of Resistive and Optical Strain Measurement for Early Fracture Detection
title_full	Comparison of Resistive and Optical Strain Measurement for Early Fracture Detection
title_fullStr	Comparison of Resistive and Optical Strain Measurement for Early Fracture Detection
title_full_unstemmed	Comparison of Resistive and Optical Strain Measurement for Early Fracture Detection
title_sort	comparison of resistive and optical strain measurement for early fracture detection
publisher	De Gruyter
publishDate	2020
url	https://doaj.org/article/d1342fb653804e1c924207567db1576f
work_keys_str_mv	AT carabelloalina comparisonofresistiveandopticalstrainmeasurementforearlyfracturedetection AT neupetschconstanze comparisonofresistiveandopticalstrainmeasurementforearlyfracturedetection AT wernermichael comparisonofresistiveandopticalstrainmeasurementforearlyfracturedetection AT rotschchristian comparisonofresistiveandopticalstrainmeasurementforearlyfracturedetection AT drosselwelfguntram comparisonofresistiveandopticalstrainmeasurementforearlyfracturedetection AT zajonzdirk comparisonofresistiveandopticalstrainmeasurementforearlyfracturedetection
_version_	1718371809892499456

Comparison of Resistive and Optical Strain Measurement for Early Fracture Detection

Ejemplares similares