Reduced stress shielding with limited micromotions using a carbon fibre composite biomimetic hip stem: a finite element model
Total hip arthroplasty (THA) enjoys excellent rates of success in older patients, but younger patients are still at risk of aseptic loosening and bone resorption from stress shielding. One solution to the stress shielding problem is to use a hip stem with mechanical properties matching those of cort...
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| Veröffentlicht in: | Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine Journal of engineering in medicine, 2011-09, Vol.225 (9), p.907-919 |
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| creator | Caouette, C Yahia, L’H Bureau, M N |
| description | Total hip arthroplasty (THA) enjoys excellent rates of success in older patients, but younger patients are still at risk of aseptic loosening and bone resorption from stress shielding. One solution to the stress shielding problem is to use a hip stem with mechanical properties matching those of cortical bone. The objective of the present study was to investigate numerically the biomechanical performance of such a biomimetic hip stem based on a hydroxyapatite (HA)-coated carbon fibre composite. A finite element model (FEM) of the biomimetic stem was constructed. Contact elements were studied to model the bone–implant interface in a non-osseointegrated and osseointegrated state in the best way. Three static load cases representing slow walking, stair climbing, and gait in a healthy individual were considered. Stress shielding and bone–implant interface micromotions were evaluated and compared with the results of a similar FEM based on titanium alloy (Ti–6Al–4V). The composite stems allowed for reduced stress shielding when compared with a traditional Ti–6Al–4V stem. Micromotions were slightly higher with the composite stem, but remained below 40 μm on most of the HA-coated surface. It is concluded that a biomimetic composite stem might offer a better compromise between stress shielding and micromotions than the Ti–6Al–4V stem with the same external geometry. |
| doi_str_mv | 10.1177/0954411911412465 |
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One solution to the stress shielding problem is to use a hip stem with mechanical properties matching those of cortical bone. The objective of the present study was to investigate numerically the biomechanical performance of such a biomimetic hip stem based on a hydroxyapatite (HA)-coated carbon fibre composite. A finite element model (FEM) of the biomimetic stem was constructed. Contact elements were studied to model the bone–implant interface in a non-osseointegrated and osseointegrated state in the best way. Three static load cases representing slow walking, stair climbing, and gait in a healthy individual were considered. Stress shielding and bone–implant interface micromotions were evaluated and compared with the results of a similar FEM based on titanium alloy (Ti–6Al–4V). The composite stems allowed for reduced stress shielding when compared with a traditional Ti–6Al–4V stem. Micromotions were slightly higher with the composite stem, but remained below 40 μm on most of the HA-coated surface. It is concluded that a biomimetic composite stem might offer a better compromise between stress shielding and micromotions than the Ti–6Al–4V stem with the same external geometry.</description><identifier>ISSN: 0954-4119</identifier><identifier>EISSN: 2041-3033</identifier><identifier>DOI: 10.1177/0954411911412465</identifier><identifier>PMID: 22070028</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Biocompatibility ; Biocompatible Materials - chemistry ; Biomechanical Phenomena ; Biomimetic Materials ; Biomimetics ; Bone implants ; Bone resorption ; Carbon ; Carbon - chemistry ; Climbing ; Computer Simulation ; Cortical bone ; Femur Head - anatomy & histology ; Femur Head - physiology ; Finite element method ; Gait ; Hip ; Hip Prosthesis ; Humans ; Hydroxyapatite ; Joint surgery ; Mathematical models ; Mechanical properties ; Models, Biological ; Osseointegration ; Protective coatings ; Stress shielding ; Stress, Mechanical ; Surgical implants ; Titanium ; Titanium alloys ; Titanium base alloys ; Total hip arthroplasty ; Walking</subject><ispartof>Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine, 2011-09, Vol.225 (9), p.907-919</ispartof><rights>IMechE 2011</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c495t-6b4071c1576586eb86143b2e47b17ddc8979b77561c857de744a21a8cdc519a33</citedby><cites>FETCH-LOGICAL-c495t-6b4071c1576586eb86143b2e47b17ddc8979b77561c857de744a21a8cdc519a33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/0954411911412465$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/0954411911412465$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,780,784,21819,27924,27925,43621,43622</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22070028$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Caouette, C</creatorcontrib><creatorcontrib>Yahia, L’H</creatorcontrib><creatorcontrib>Bureau, M N</creatorcontrib><title>Reduced stress shielding with limited micromotions using a carbon fibre composite biomimetic hip stem: a finite element model</title><title>Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine</title><addtitle>Proc Inst Mech Eng H</addtitle><description>Total hip arthroplasty (THA) enjoys excellent rates of success in older patients, but younger patients are still at risk of aseptic loosening and bone resorption from stress shielding. One solution to the stress shielding problem is to use a hip stem with mechanical properties matching those of cortical bone. The objective of the present study was to investigate numerically the biomechanical performance of such a biomimetic hip stem based on a hydroxyapatite (HA)-coated carbon fibre composite. A finite element model (FEM) of the biomimetic stem was constructed. Contact elements were studied to model the bone–implant interface in a non-osseointegrated and osseointegrated state in the best way. Three static load cases representing slow walking, stair climbing, and gait in a healthy individual were considered. Stress shielding and bone–implant interface micromotions were evaluated and compared with the results of a similar FEM based on titanium alloy (Ti–6Al–4V). The composite stems allowed for reduced stress shielding when compared with a traditional Ti–6Al–4V stem. Micromotions were slightly higher with the composite stem, but remained below 40 μm on most of the HA-coated surface. It is concluded that a biomimetic composite stem might offer a better compromise between stress shielding and micromotions than the Ti–6Al–4V stem with the same external geometry.</description><subject>Biocompatibility</subject><subject>Biocompatible Materials - chemistry</subject><subject>Biomechanical Phenomena</subject><subject>Biomimetic Materials</subject><subject>Biomimetics</subject><subject>Bone implants</subject><subject>Bone resorption</subject><subject>Carbon</subject><subject>Carbon - chemistry</subject><subject>Climbing</subject><subject>Computer Simulation</subject><subject>Cortical bone</subject><subject>Femur Head - anatomy & histology</subject><subject>Femur Head - physiology</subject><subject>Finite element method</subject><subject>Gait</subject><subject>Hip</subject><subject>Hip Prosthesis</subject><subject>Humans</subject><subject>Hydroxyapatite</subject><subject>Joint surgery</subject><subject>Mathematical models</subject><subject>Mechanical properties</subject><subject>Models, Biological</subject><subject>Osseointegration</subject><subject>Protective coatings</subject><subject>Stress shielding</subject><subject>Stress, Mechanical</subject><subject>Surgical implants</subject><subject>Titanium</subject><subject>Titanium alloys</subject><subject>Titanium base alloys</subject><subject>Total hip arthroplasty</subject><subject>Walking</subject><issn>0954-4119</issn><issn>2041-3033</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUuLFTEQRoMoznV070oCLnTTmsqz250MvmBAEF03edSdm6HTuSbdiAv_u2nuKDKgrrI4p74i9RHyGNgLAGNeskFJCTAASOBSqztkx5mETjAh7pLdhruNn5EHtV4zxgCYvk_OOGeGMd7vyI9PGFaPgdalYK20HiJOIc5X9FtcDnSKKS6NpuhLTnmJea50rRu31Nvi8kz30RWkPqdjrk2mLuYUEy7R00M8tmBMr5q9j_NGccKE80JTDjg9JPf2dqr46OY9J1_evvl88b67_Pjuw8Xry87LQS2ddpIZ8KCMVr1G12uQwnGUxoEJwfeDGZwxSoPvlQlopLQcbO-DVzBYIc7Js1PuseSvK9ZlTLF6nCY7Y17rODChNZegmvn8nyYYzUEwKYb_q4ILznvNttSnt9TrvJa5fXmEvldtNeebxU5Wu3WtBffjscRky_cR2Lj1Pd7uu408uQleXcLwe-BXwU3oTkK1V_jH1r8F_gR2sbEp</recordid><startdate>201109</startdate><enddate>201109</enddate><creator>Caouette, C</creator><creator>Yahia, L’H</creator><creator>Bureau, M N</creator><general>SAGE Publications</general><general>SAGE PUBLICATIONS, INC</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>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>K9.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7QP</scope><scope>7X8</scope></search><sort><creationdate>201109</creationdate><title>Reduced stress shielding with limited micromotions using a carbon fibre composite biomimetic hip stem: a finite element model</title><author>Caouette, C ; Yahia, L’H ; Bureau, M N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c495t-6b4071c1576586eb86143b2e47b17ddc8979b77561c857de744a21a8cdc519a33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Biocompatibility</topic><topic>Biocompatible Materials - chemistry</topic><topic>Biomechanical Phenomena</topic><topic>Biomimetic Materials</topic><topic>Biomimetics</topic><topic>Bone implants</topic><topic>Bone resorption</topic><topic>Carbon</topic><topic>Carbon - chemistry</topic><topic>Climbing</topic><topic>Computer Simulation</topic><topic>Cortical bone</topic><topic>Femur Head - anatomy & histology</topic><topic>Femur Head - physiology</topic><topic>Finite element method</topic><topic>Gait</topic><topic>Hip</topic><topic>Hip Prosthesis</topic><topic>Humans</topic><topic>Hydroxyapatite</topic><topic>Joint surgery</topic><topic>Mathematical models</topic><topic>Mechanical properties</topic><topic>Models, Biological</topic><topic>Osseointegration</topic><topic>Protective coatings</topic><topic>Stress shielding</topic><topic>Stress, Mechanical</topic><topic>Surgical implants</topic><topic>Titanium</topic><topic>Titanium alloys</topic><topic>Titanium base alloys</topic><topic>Total hip arthroplasty</topic><topic>Walking</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Caouette, C</creatorcontrib><creatorcontrib>Yahia, L’H</creatorcontrib><creatorcontrib>Bureau, M N</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Caouette, C</au><au>Yahia, L’H</au><au>Bureau, M N</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reduced stress shielding with limited micromotions using a carbon fibre composite biomimetic hip stem: a finite element model</atitle><jtitle>Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine</jtitle><addtitle>Proc Inst Mech Eng H</addtitle><date>2011-09</date><risdate>2011</risdate><volume>225</volume><issue>9</issue><spage>907</spage><epage>919</epage><pages>907-919</pages><issn>0954-4119</issn><eissn>2041-3033</eissn><abstract>Total hip arthroplasty (THA) enjoys excellent rates of success in older patients, but younger patients are still at risk of aseptic loosening and bone resorption from stress shielding. One solution to the stress shielding problem is to use a hip stem with mechanical properties matching those of cortical bone. The objective of the present study was to investigate numerically the biomechanical performance of such a biomimetic hip stem based on a hydroxyapatite (HA)-coated carbon fibre composite. A finite element model (FEM) of the biomimetic stem was constructed. Contact elements were studied to model the bone–implant interface in a non-osseointegrated and osseointegrated state in the best way. Three static load cases representing slow walking, stair climbing, and gait in a healthy individual were considered. Stress shielding and bone–implant interface micromotions were evaluated and compared with the results of a similar FEM based on titanium alloy (Ti–6Al–4V). The composite stems allowed for reduced stress shielding when compared with a traditional Ti–6Al–4V stem. Micromotions were slightly higher with the composite stem, but remained below 40 μm on most of the HA-coated surface. It is concluded that a biomimetic composite stem might offer a better compromise between stress shielding and micromotions than the Ti–6Al–4V stem with the same external geometry.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><pmid>22070028</pmid><doi>10.1177/0954411911412465</doi><tpages>13</tpages></addata></record> |
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| ispartof | Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine, 2011-09, Vol.225 (9), p.907-919 |
| issn | 0954-4119 2041-3033 |
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| subjects | Biocompatibility Biocompatible Materials - chemistry Biomechanical Phenomena Biomimetic Materials Biomimetics Bone implants Bone resorption Carbon Carbon - chemistry Climbing Computer Simulation Cortical bone Femur Head - anatomy & histology Femur Head - physiology Finite element method Gait Hip Hip Prosthesis Humans Hydroxyapatite Joint surgery Mathematical models Mechanical properties Models, Biological Osseointegration Protective coatings Stress shielding Stress, Mechanical Surgical implants Titanium Titanium alloys Titanium base alloys Total hip arthroplasty Walking |
| title | Reduced stress shielding with limited micromotions using a carbon fibre composite biomimetic hip stem: a finite element model |
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