The mechanical response of glutaraldehyde-fixed bovine pericardium to uniaxial load
Abstract Bovine pericardium, treated with glutaraldehyde, is used in the construction of heart valve substitutes. This study examines the mechanical properties of this tissue by using a continuum physics approximation of the material. A consideration of the relative magnitudes of the characteristic...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Trowbridge, E. A. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1985 |
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| Schlagwörter: |
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| Anmerkung: |
© Chapman and Hall Ltd. 1985 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of materials science - Kluwer Academic Publishers, 1966, 20(1985), 1 vom: Jan., Seite 114-140 |
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| Übergeordnetes Werk: |
volume:20 ; year:1985 ; number:1 ; month:01 ; pages:114-140 |
| Links: |
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| DOI / URN: |
10.1007/BF00555905 |
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| Katalog-ID: |
OLC2046132181 |
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| 245 | 1 | 0 | |a The mechanical response of glutaraldehyde-fixed bovine pericardium to uniaxial load |
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| 520 | |a Abstract Bovine pericardium, treated with glutaraldehyde, is used in the construction of heart valve substitutes. This study examines the mechanical properties of this tissue by using a continuum physics approximation of the material. A consideration of the relative magnitudes of the characteristic deformation time of a heart valve leaflet and the measured relaxation time of the tissue suggests that it can be effectively represented by a non-linear elastic solid. A compressible isotropic strain energy function is used to characterize the homogeneous deformation of the tissue when it is subjected to uniaxial load. The initial elastic material which is characterized by only two elastic constants, undergoes a transition to a second elastic material which is governed by a strain energy function of different magnitude by the same functional form as that associated with the initial elastic solid. This model is used to investigate the pericardial sac-to-sac and within-sac directional variation of the response to load in the unstrained state. Analysis of variance shows that glutaraldehyde treated pericardium possesses no preferred directional strength properties in the unstrained state. Any observed differences in the mechanical properties of different test specimens can be attributed to random biological variation alone. | ||
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| 650 | 4 | |a Valve Leaflet | |
| 650 | 4 | |a Strain Energy Function | |
| 650 | 4 | |a Uniaxial Load | |
| 700 | 1 | |a Black, M. M. |4 aut | |
| 700 | 1 | |a Daniel, C. L. |4 aut | |
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10.1007/BF00555905 doi (DE-627)OLC2046132181 (DE-He213)BF00555905-p DE-627 ger DE-627 rakwb eng 670 VZ Trowbridge, E. A. verfasserin aut The mechanical response of glutaraldehyde-fixed bovine pericardium to uniaxial load 1985 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd. 1985 Abstract Bovine pericardium, treated with glutaraldehyde, is used in the construction of heart valve substitutes. This study examines the mechanical properties of this tissue by using a continuum physics approximation of the material. A consideration of the relative magnitudes of the characteristic deformation time of a heart valve leaflet and the measured relaxation time of the tissue suggests that it can be effectively represented by a non-linear elastic solid. A compressible isotropic strain energy function is used to characterize the homogeneous deformation of the tissue when it is subjected to uniaxial load. The initial elastic material which is characterized by only two elastic constants, undergoes a transition to a second elastic material which is governed by a strain energy function of different magnitude by the same functional form as that associated with the initial elastic solid. This model is used to investigate the pericardial sac-to-sac and within-sac directional variation of the response to load in the unstrained state. Analysis of variance shows that glutaraldehyde treated pericardium possesses no preferred directional strength properties in the unstrained state. Any observed differences in the mechanical properties of different test specimens can be attributed to random biological variation alone. Heart Valve Elastic Material Valve Leaflet Strain Energy Function Uniaxial Load Black, M. M. aut Daniel, C. L. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 20(1985), 1 vom: Jan., Seite 114-140 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:20 year:1985 number:1 month:01 pages:114-140 https://doi.org/10.1007/BF00555905 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_2333 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 20 1985 1 01 114-140 |
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10.1007/BF00555905 doi (DE-627)OLC2046132181 (DE-He213)BF00555905-p DE-627 ger DE-627 rakwb eng 670 VZ Trowbridge, E. A. verfasserin aut The mechanical response of glutaraldehyde-fixed bovine pericardium to uniaxial load 1985 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd. 1985 Abstract Bovine pericardium, treated with glutaraldehyde, is used in the construction of heart valve substitutes. This study examines the mechanical properties of this tissue by using a continuum physics approximation of the material. A consideration of the relative magnitudes of the characteristic deformation time of a heart valve leaflet and the measured relaxation time of the tissue suggests that it can be effectively represented by a non-linear elastic solid. A compressible isotropic strain energy function is used to characterize the homogeneous deformation of the tissue when it is subjected to uniaxial load. The initial elastic material which is characterized by only two elastic constants, undergoes a transition to a second elastic material which is governed by a strain energy function of different magnitude by the same functional form as that associated with the initial elastic solid. This model is used to investigate the pericardial sac-to-sac and within-sac directional variation of the response to load in the unstrained state. Analysis of variance shows that glutaraldehyde treated pericardium possesses no preferred directional strength properties in the unstrained state. Any observed differences in the mechanical properties of different test specimens can be attributed to random biological variation alone. Heart Valve Elastic Material Valve Leaflet Strain Energy Function Uniaxial Load Black, M. M. aut Daniel, C. L. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 20(1985), 1 vom: Jan., Seite 114-140 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:20 year:1985 number:1 month:01 pages:114-140 https://doi.org/10.1007/BF00555905 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_2333 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 20 1985 1 01 114-140 |
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10.1007/BF00555905 doi (DE-627)OLC2046132181 (DE-He213)BF00555905-p DE-627 ger DE-627 rakwb eng 670 VZ Trowbridge, E. A. verfasserin aut The mechanical response of glutaraldehyde-fixed bovine pericardium to uniaxial load 1985 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd. 1985 Abstract Bovine pericardium, treated with glutaraldehyde, is used in the construction of heart valve substitutes. This study examines the mechanical properties of this tissue by using a continuum physics approximation of the material. A consideration of the relative magnitudes of the characteristic deformation time of a heart valve leaflet and the measured relaxation time of the tissue suggests that it can be effectively represented by a non-linear elastic solid. A compressible isotropic strain energy function is used to characterize the homogeneous deformation of the tissue when it is subjected to uniaxial load. The initial elastic material which is characterized by only two elastic constants, undergoes a transition to a second elastic material which is governed by a strain energy function of different magnitude by the same functional form as that associated with the initial elastic solid. This model is used to investigate the pericardial sac-to-sac and within-sac directional variation of the response to load in the unstrained state. Analysis of variance shows that glutaraldehyde treated pericardium possesses no preferred directional strength properties in the unstrained state. Any observed differences in the mechanical properties of different test specimens can be attributed to random biological variation alone. Heart Valve Elastic Material Valve Leaflet Strain Energy Function Uniaxial Load Black, M. M. aut Daniel, C. L. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 20(1985), 1 vom: Jan., Seite 114-140 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:20 year:1985 number:1 month:01 pages:114-140 https://doi.org/10.1007/BF00555905 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_2333 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 20 1985 1 01 114-140 |
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10.1007/BF00555905 doi (DE-627)OLC2046132181 (DE-He213)BF00555905-p DE-627 ger DE-627 rakwb eng 670 VZ Trowbridge, E. A. verfasserin aut The mechanical response of glutaraldehyde-fixed bovine pericardium to uniaxial load 1985 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd. 1985 Abstract Bovine pericardium, treated with glutaraldehyde, is used in the construction of heart valve substitutes. This study examines the mechanical properties of this tissue by using a continuum physics approximation of the material. A consideration of the relative magnitudes of the characteristic deformation time of a heart valve leaflet and the measured relaxation time of the tissue suggests that it can be effectively represented by a non-linear elastic solid. A compressible isotropic strain energy function is used to characterize the homogeneous deformation of the tissue when it is subjected to uniaxial load. The initial elastic material which is characterized by only two elastic constants, undergoes a transition to a second elastic material which is governed by a strain energy function of different magnitude by the same functional form as that associated with the initial elastic solid. This model is used to investigate the pericardial sac-to-sac and within-sac directional variation of the response to load in the unstrained state. Analysis of variance shows that glutaraldehyde treated pericardium possesses no preferred directional strength properties in the unstrained state. Any observed differences in the mechanical properties of different test specimens can be attributed to random biological variation alone. Heart Valve Elastic Material Valve Leaflet Strain Energy Function Uniaxial Load Black, M. M. aut Daniel, C. L. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 20(1985), 1 vom: Jan., Seite 114-140 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:20 year:1985 number:1 month:01 pages:114-140 https://doi.org/10.1007/BF00555905 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_2333 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 20 1985 1 01 114-140 |
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10.1007/BF00555905 doi (DE-627)OLC2046132181 (DE-He213)BF00555905-p DE-627 ger DE-627 rakwb eng 670 VZ Trowbridge, E. A. verfasserin aut The mechanical response of glutaraldehyde-fixed bovine pericardium to uniaxial load 1985 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chapman and Hall Ltd. 1985 Abstract Bovine pericardium, treated with glutaraldehyde, is used in the construction of heart valve substitutes. This study examines the mechanical properties of this tissue by using a continuum physics approximation of the material. A consideration of the relative magnitudes of the characteristic deformation time of a heart valve leaflet and the measured relaxation time of the tissue suggests that it can be effectively represented by a non-linear elastic solid. A compressible isotropic strain energy function is used to characterize the homogeneous deformation of the tissue when it is subjected to uniaxial load. The initial elastic material which is characterized by only two elastic constants, undergoes a transition to a second elastic material which is governed by a strain energy function of different magnitude by the same functional form as that associated with the initial elastic solid. This model is used to investigate the pericardial sac-to-sac and within-sac directional variation of the response to load in the unstrained state. Analysis of variance shows that glutaraldehyde treated pericardium possesses no preferred directional strength properties in the unstrained state. Any observed differences in the mechanical properties of different test specimens can be attributed to random biological variation alone. Heart Valve Elastic Material Valve Leaflet Strain Energy Function Uniaxial Load Black, M. M. aut Daniel, C. L. aut Enthalten in Journal of materials science Kluwer Academic Publishers, 1966 20(1985), 1 vom: Jan., Seite 114-140 (DE-627)129546372 (DE-600)218324-9 (DE-576)014996774 0022-2461 nnns volume:20 year:1985 number:1 month:01 pages:114-140 https://doi.org/10.1007/BF00555905 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_11 GBV_ILN_20 GBV_ILN_23 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_62 GBV_ILN_65 GBV_ILN_70 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2057 GBV_ILN_2333 GBV_ILN_4082 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4319 GBV_ILN_4323 GBV_ILN_4700 AR 20 1985 1 01 114-140 |
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Enthalten in Journal of materials science 20(1985), 1 vom: Jan., Seite 114-140 volume:20 year:1985 number:1 month:01 pages:114-140 |
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the mechanical response of glutaraldehyde-fixed bovine pericardium to uniaxial load |
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The mechanical response of glutaraldehyde-fixed bovine pericardium to uniaxial load |
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Abstract Bovine pericardium, treated with glutaraldehyde, is used in the construction of heart valve substitutes. This study examines the mechanical properties of this tissue by using a continuum physics approximation of the material. A consideration of the relative magnitudes of the characteristic deformation time of a heart valve leaflet and the measured relaxation time of the tissue suggests that it can be effectively represented by a non-linear elastic solid. A compressible isotropic strain energy function is used to characterize the homogeneous deformation of the tissue when it is subjected to uniaxial load. The initial elastic material which is characterized by only two elastic constants, undergoes a transition to a second elastic material which is governed by a strain energy function of different magnitude by the same functional form as that associated with the initial elastic solid. This model is used to investigate the pericardial sac-to-sac and within-sac directional variation of the response to load in the unstrained state. Analysis of variance shows that glutaraldehyde treated pericardium possesses no preferred directional strength properties in the unstrained state. Any observed differences in the mechanical properties of different test specimens can be attributed to random biological variation alone. © Chapman and Hall Ltd. 1985 |
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Abstract Bovine pericardium, treated with glutaraldehyde, is used in the construction of heart valve substitutes. This study examines the mechanical properties of this tissue by using a continuum physics approximation of the material. A consideration of the relative magnitudes of the characteristic deformation time of a heart valve leaflet and the measured relaxation time of the tissue suggests that it can be effectively represented by a non-linear elastic solid. A compressible isotropic strain energy function is used to characterize the homogeneous deformation of the tissue when it is subjected to uniaxial load. The initial elastic material which is characterized by only two elastic constants, undergoes a transition to a second elastic material which is governed by a strain energy function of different magnitude by the same functional form as that associated with the initial elastic solid. This model is used to investigate the pericardial sac-to-sac and within-sac directional variation of the response to load in the unstrained state. Analysis of variance shows that glutaraldehyde treated pericardium possesses no preferred directional strength properties in the unstrained state. Any observed differences in the mechanical properties of different test specimens can be attributed to random biological variation alone. © Chapman and Hall Ltd. 1985 |
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Abstract Bovine pericardium, treated with glutaraldehyde, is used in the construction of heart valve substitutes. This study examines the mechanical properties of this tissue by using a continuum physics approximation of the material. A consideration of the relative magnitudes of the characteristic deformation time of a heart valve leaflet and the measured relaxation time of the tissue suggests that it can be effectively represented by a non-linear elastic solid. A compressible isotropic strain energy function is used to characterize the homogeneous deformation of the tissue when it is subjected to uniaxial load. The initial elastic material which is characterized by only two elastic constants, undergoes a transition to a second elastic material which is governed by a strain energy function of different magnitude by the same functional form as that associated with the initial elastic solid. This model is used to investigate the pericardial sac-to-sac and within-sac directional variation of the response to load in the unstrained state. Analysis of variance shows that glutaraldehyde treated pericardium possesses no preferred directional strength properties in the unstrained state. Any observed differences in the mechanical properties of different test specimens can be attributed to random biological variation alone. © Chapman and Hall Ltd. 1985 |
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