The effect of hip stem material modulus on surface strain in human femora
Human femora were used to compare the changes in bone surface strain resulting from decreasing the material modulus of a collarless hip stem to determine whether a highly elastic stem increased bone loading. Three substrate materials were tested: titanium (modulus of elasticity 110 GPa), carbon fibe...
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| Veröffentlicht in: | Journal of biomechanics 1998-07, Vol.31 (7), p.619-628 |
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| container_title | Journal of biomechanics |
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| creator | Vail, Thomas Parker Glisson, Richard R Koukoubis, Theodosios D Guilak, Farshid |
| description | Human femora were used to compare the changes in bone surface strain resulting from decreasing the material modulus of a collarless hip stem to determine whether a highly elastic stem increased bone loading. Three substrate materials were tested: titanium (modulus of elasticity 110 GPa), carbon fiber composite (modulus of elasticity 52 GPa), and polymethylmethacrylate (PMMA, modulus of elasticity of 1.9 GPa). Two separate analyses were performed in which femora were implanted randomly with one of the three stem types. Results showed that assembly strains did not differ significantly among different materials. There was a large strain reduction in the proximal region of the femora for all stem substrates relative to the intact femur. Although there was statistically greater surface shear strain as the material modulus decreased, the PMMA stem did not substantially increase bone loading. |
| doi_str_mv | 10.1016/S0021-9290(98)00061-X |
| format | Article |
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Three substrate materials were tested: titanium (modulus of elasticity 110 GPa), carbon fiber composite (modulus of elasticity 52 GPa), and polymethylmethacrylate (PMMA, modulus of elasticity of 1.9 GPa). Two separate analyses were performed in which femora were implanted randomly with one of the three stem types. Results showed that assembly strains did not differ significantly among different materials. There was a large strain reduction in the proximal region of the femora for all stem substrates relative to the intact femur. Although there was statistically greater surface shear strain as the material modulus decreased, the PMMA stem did not substantially increase bone loading.</description><identifier>ISSN: 0021-9290</identifier><identifier>EISSN: 1873-2380</identifier><identifier>DOI: 10.1016/S0021-9290(98)00061-X</identifier><identifier>PMID: 9796684</identifier><language>eng</language><publisher>United States: Elsevier Ltd</publisher><subject>Adult ; Aged ; Analysis of Variance ; Biocompatible Materials - chemistry ; Bone ; Cadaver ; Carbon - chemistry ; Carbon Fiber ; Carbon fibers ; Elastic moduli ; Elasticity ; Femur ; Femur - physiology ; Hip prostheses ; Hip Prosthesis ; Hip stem ; Humans ; Implants (surgical) ; Male ; Materials Testing ; Middle Aged ; Modulus ; Polymethyl Methacrylate - chemistry ; Polymethyl methacrylates ; Prosthesis Design ; Shear stress ; Space life sciences ; Strain ; Stress, Mechanical ; Surface Properties ; Surface structure ; Titanium ; Titanium - chemistry ; Weight-Bearing - physiology</subject><ispartof>Journal of biomechanics, 1998-07, Vol.31 (7), p.619-628</ispartof><rights>1998 Elsevier Science Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c488t-706ac06d88894d3e2db7d24dee3a66081d8a31b2de17dcc0fb78e490d1eec19d3</citedby><cites>FETCH-LOGICAL-c488t-706ac06d88894d3e2db7d24dee3a66081d8a31b2de17dcc0fb78e490d1eec19d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0021-9290(98)00061-X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9796684$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vail, Thomas Parker</creatorcontrib><creatorcontrib>Glisson, Richard R</creatorcontrib><creatorcontrib>Koukoubis, Theodosios D</creatorcontrib><creatorcontrib>Guilak, Farshid</creatorcontrib><title>The effect of hip stem material modulus on surface strain in human femora</title><title>Journal of biomechanics</title><addtitle>J Biomech</addtitle><description>Human femora were used to compare the changes in bone surface strain resulting from decreasing the material modulus of a collarless hip stem to determine whether a highly elastic stem increased bone loading. Three substrate materials were tested: titanium (modulus of elasticity 110 GPa), carbon fiber composite (modulus of elasticity 52 GPa), and polymethylmethacrylate (PMMA, modulus of elasticity of 1.9 GPa). Two separate analyses were performed in which femora were implanted randomly with one of the three stem types. Results showed that assembly strains did not differ significantly among different materials. There was a large strain reduction in the proximal region of the femora for all stem substrates relative to the intact femur. Although there was statistically greater surface shear strain as the material modulus decreased, the PMMA stem did not substantially increase bone loading.</description><subject>Adult</subject><subject>Aged</subject><subject>Analysis of Variance</subject><subject>Biocompatible Materials - chemistry</subject><subject>Bone</subject><subject>Cadaver</subject><subject>Carbon - chemistry</subject><subject>Carbon Fiber</subject><subject>Carbon fibers</subject><subject>Elastic moduli</subject><subject>Elasticity</subject><subject>Femur</subject><subject>Femur - physiology</subject><subject>Hip prostheses</subject><subject>Hip Prosthesis</subject><subject>Hip stem</subject><subject>Humans</subject><subject>Implants (surgical)</subject><subject>Male</subject><subject>Materials Testing</subject><subject>Middle Aged</subject><subject>Modulus</subject><subject>Polymethyl Methacrylate - chemistry</subject><subject>Polymethyl methacrylates</subject><subject>Prosthesis Design</subject><subject>Shear stress</subject><subject>Space life sciences</subject><subject>Strain</subject><subject>Stress, Mechanical</subject><subject>Surface Properties</subject><subject>Surface structure</subject><subject>Titanium</subject><subject>Titanium - chemistry</subject><subject>Weight-Bearing - physiology</subject><issn>0021-9290</issn><issn>1873-2380</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1rGzEQhkVJcV2nPyGgU0kO285o1_o4hWCaxmDooQn4JmRpFqvshyvtBvrvu45NroaBOcwzM_A-jN0gfENA-f03gMDCCAO3Rt8BgMRi-4HNUauyEKWGKzZ_Rz6xzzn_mSBVKTNjM6OMlLqas_XznjjVNfmB9zXfxwPPA7W8dQOl6Bre9mFsxsz7jucx1c7TBCQXOz7Vfmxdx2tq--Su2cfaNZm-nPuCvTz-eF49FZtfP9erh03hK62HQoF0HmTQWpsqlCTCTgVRBaLSSQkag3Yl7kQgVMF7qHdKU2UgIJFHE8oF-3q6e0j935HyYNuYPTWN66gfs1UAuDRVdREUWCqJEi-CqAQsRXkElyfQpz7nRLU9pNi69M8i2KMU-ybFHhO3Rts3KXY77d2cH4y7lsL71tnCNL8_zWnK7TVSstlH6jyFmCYxNvTxwof_w1ybvA</recordid><startdate>19980701</startdate><enddate>19980701</enddate><creator>Vail, Thomas Parker</creator><creator>Glisson, Richard R</creator><creator>Koukoubis, Theodosios D</creator><creator>Guilak, Farshid</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>7X8</scope></search><sort><creationdate>19980701</creationdate><title>The effect of hip stem material modulus on surface strain in human femora</title><author>Vail, Thomas Parker ; Glisson, Richard R ; Koukoubis, Theodosios D ; Guilak, Farshid</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c488t-706ac06d88894d3e2db7d24dee3a66081d8a31b2de17dcc0fb78e490d1eec19d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Analysis of Variance</topic><topic>Biocompatible Materials - chemistry</topic><topic>Bone</topic><topic>Cadaver</topic><topic>Carbon - chemistry</topic><topic>Carbon Fiber</topic><topic>Carbon fibers</topic><topic>Elastic moduli</topic><topic>Elasticity</topic><topic>Femur</topic><topic>Femur - physiology</topic><topic>Hip prostheses</topic><topic>Hip Prosthesis</topic><topic>Hip stem</topic><topic>Humans</topic><topic>Implants (surgical)</topic><topic>Male</topic><topic>Materials Testing</topic><topic>Middle Aged</topic><topic>Modulus</topic><topic>Polymethyl Methacrylate - chemistry</topic><topic>Polymethyl methacrylates</topic><topic>Prosthesis Design</topic><topic>Shear stress</topic><topic>Space life sciences</topic><topic>Strain</topic><topic>Stress, Mechanical</topic><topic>Surface Properties</topic><topic>Surface structure</topic><topic>Titanium</topic><topic>Titanium - chemistry</topic><topic>Weight-Bearing - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vail, Thomas Parker</creatorcontrib><creatorcontrib>Glisson, Richard R</creatorcontrib><creatorcontrib>Koukoubis, Theodosios D</creatorcontrib><creatorcontrib>Guilak, Farshid</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of biomechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vail, Thomas Parker</au><au>Glisson, Richard R</au><au>Koukoubis, Theodosios D</au><au>Guilak, Farshid</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of hip stem material modulus on surface strain in human femora</atitle><jtitle>Journal of biomechanics</jtitle><addtitle>J Biomech</addtitle><date>1998-07-01</date><risdate>1998</risdate><volume>31</volume><issue>7</issue><spage>619</spage><epage>628</epage><pages>619-628</pages><issn>0021-9290</issn><eissn>1873-2380</eissn><abstract>Human femora were used to compare the changes in bone surface strain resulting from decreasing the material modulus of a collarless hip stem to determine whether a highly elastic stem increased bone loading. Three substrate materials were tested: titanium (modulus of elasticity 110 GPa), carbon fiber composite (modulus of elasticity 52 GPa), and polymethylmethacrylate (PMMA, modulus of elasticity of 1.9 GPa). Two separate analyses were performed in which femora were implanted randomly with one of the three stem types. Results showed that assembly strains did not differ significantly among different materials. There was a large strain reduction in the proximal region of the femora for all stem substrates relative to the intact femur. Although there was statistically greater surface shear strain as the material modulus decreased, the PMMA stem did not substantially increase bone loading.</abstract><cop>United States</cop><pub>Elsevier Ltd</pub><pmid>9796684</pmid><doi>10.1016/S0021-9290(98)00061-X</doi><tpages>10</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Adult Aged Analysis of Variance Biocompatible Materials - chemistry Bone Cadaver Carbon - chemistry Carbon Fiber Carbon fibers Elastic moduli Elasticity Femur Femur - physiology Hip prostheses Hip Prosthesis Hip stem Humans Implants (surgical) Male Materials Testing Middle Aged Modulus Polymethyl Methacrylate - chemistry Polymethyl methacrylates Prosthesis Design Shear stress Space life sciences Strain Stress, Mechanical Surface Properties Surface structure Titanium Titanium - chemistry Weight-Bearing - physiology |
| title | The effect of hip stem material modulus on surface strain in human femora |
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