Corrosion of Metal Modular Cup Liners
Abstract Numerous studies have reported on corrosion at the modular head taper, however less is known about the interface between the metal shell and liner of modular cups. This study examined the backside of a series of metal modular cup liners of two designs (DePuy Pinnacle and Smith & Nephew...
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| Veröffentlicht in: | The Journal of arthroplasty 2015-09, Vol.30 (9), p.1652-1656 |
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| container_title | The Journal of arthroplasty |
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| creator | Hothi, Harry S., BEng, MSc, PhD Ilo, Kevin, BSc, MBBS Whittaker, Robert K., BSc Eskelinen, Antti, MD, PhD Skinner, John A., MBBS, FRCS (Eng), FRCS (Orth) Hart, Alister J., MA, MD, FRCS (Orth) |
| description | Abstract Numerous studies have reported on corrosion at the modular head taper, however less is known about the interface between the metal shell and liner of modular cups. This study examined the backside of a series of metal modular cup liners of two designs (DePuy Pinnacle and Smith & Nephew R3), retrieved from 67 patients. Visual inspection found evidence of corrosion in virtually all liners, with the engaging rim surface significantly more corroded than the polar regions ( P |
| doi_str_mv | 10.1016/j.arth.2015.03.022 |
| format | Article |
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This study examined the backside of a series of metal modular cup liners of two designs (DePuy Pinnacle and Smith & Nephew R3), retrieved from 67 patients. Visual inspection found evidence of corrosion in virtually all liners, with the engaging rim surface significantly more corroded than the polar regions ( P <0.001). EDX confirmed that black surface deposits were chromium rich corrosion debris, while SEM analysis revealed considerable pitting in the vicinity of the black debris. The R3 liners were significantly more corroded that the Pinnacles ( P <0.001); this may help to explain the higher revision rates of this design.</description><identifier>ISSN: 0883-5403</identifier><identifier>EISSN: 1532-8406</identifier><identifier>DOI: 10.1016/j.arth.2015.03.022</identifier><identifier>PMID: 25890504</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Adult ; Aged ; Arthroplasty, Replacement, Hip - instrumentation ; Arthroplasty, Replacement, Hip - methods ; Chromium Alloys ; Corrosion ; Female ; Hip Prosthesis ; Humans ; liners ; Male ; metal-on-metal ; Metals ; Microscopy, Electron, Scanning ; Middle Aged ; modular cup ; Orthopedics ; Pelvic Bones - ultrastructure ; Prosthesis Design ; Prosthesis Failure ; Reoperation - instrumentation ; retrieval</subject><ispartof>The Journal of arthroplasty, 2015-09, Vol.30 (9), p.1652-1656</ispartof><rights>2015</rights><rights>Copyright © 2015. Published by Elsevier Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c481t-1f6291311918d360b90c63cbc5c6f41618700a7dcbad2f372133f3260daf59de3</citedby><cites>FETCH-LOGICAL-c481t-1f6291311918d360b90c63cbc5c6f41618700a7dcbad2f372133f3260daf59de3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S088354031500220X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25890504$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hothi, Harry S., BEng, MSc, PhD</creatorcontrib><creatorcontrib>Ilo, Kevin, BSc, MBBS</creatorcontrib><creatorcontrib>Whittaker, Robert K., BSc</creatorcontrib><creatorcontrib>Eskelinen, Antti, MD, PhD</creatorcontrib><creatorcontrib>Skinner, John A., MBBS, FRCS (Eng), FRCS (Orth)</creatorcontrib><creatorcontrib>Hart, Alister J., MA, MD, FRCS (Orth)</creatorcontrib><title>Corrosion of Metal Modular Cup Liners</title><title>The Journal of arthroplasty</title><addtitle>J Arthroplasty</addtitle><description>Abstract Numerous studies have reported on corrosion at the modular head taper, however less is known about the interface between the metal shell and liner of modular cups. This study examined the backside of a series of metal modular cup liners of two designs (DePuy Pinnacle and Smith & Nephew R3), retrieved from 67 patients. Visual inspection found evidence of corrosion in virtually all liners, with the engaging rim surface significantly more corroded than the polar regions ( P <0.001). EDX confirmed that black surface deposits were chromium rich corrosion debris, while SEM analysis revealed considerable pitting in the vicinity of the black debris. The R3 liners were significantly more corroded that the Pinnacles ( P <0.001); this may help to explain the higher revision rates of this design.</description><subject>Adult</subject><subject>Aged</subject><subject>Arthroplasty, Replacement, Hip - instrumentation</subject><subject>Arthroplasty, Replacement, Hip - methods</subject><subject>Chromium Alloys</subject><subject>Corrosion</subject><subject>Female</subject><subject>Hip Prosthesis</subject><subject>Humans</subject><subject>liners</subject><subject>Male</subject><subject>metal-on-metal</subject><subject>Metals</subject><subject>Microscopy, Electron, Scanning</subject><subject>Middle Aged</subject><subject>modular cup</subject><subject>Orthopedics</subject><subject>Pelvic Bones - ultrastructure</subject><subject>Prosthesis Design</subject><subject>Prosthesis Failure</subject><subject>Reoperation - instrumentation</subject><subject>retrieval</subject><issn>0883-5403</issn><issn>1532-8406</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kUtLxDAUhYMozvj4Ay6kG8FN671J02lBBBl8wQwuVHAXMkmKGTvNmLTC_HtTRl24cHU35xzu-Q4hJwgZAhYXy0z67i2jgDwDlgGlO2SMnNG0zKHYJWMoS5byHNiIHISwBEDkPN8nI8rLCjjkY3I2dd67YF2buDqZm042ydzpvpE-mfbrZGZb48MR2atlE8zx9z0kL7c3z9P7dPZ49zC9nqUqL7FLsS5ohQyxwlKzAhYVqIKpheKqqHMssJwAyIlWC6lpzSYUGasZLUDLmlfasENyvs1de_fRm9CJlQ3KNI1sjeuDwElsEINpFaV0K1Xx_eBNLdberqTfCAQx4BFLMeARAx4BTEQ80XT6nd8vVkb_Wn54RMHlVmBiy09rvAjKmlYZbb1RndDO_p9_9ceuGttaJZt3szFh6XrfRn4CRaACxNMw0LAPcoh2eGVfx1SIWg</recordid><startdate>20150901</startdate><enddate>20150901</enddate><creator>Hothi, Harry S., BEng, MSc, PhD</creator><creator>Ilo, Kevin, BSc, MBBS</creator><creator>Whittaker, Robert K., BSc</creator><creator>Eskelinen, Antti, MD, PhD</creator><creator>Skinner, John A., MBBS, FRCS (Eng), FRCS (Orth)</creator><creator>Hart, Alister J., MA, MD, FRCS (Orth)</creator><general>Elsevier 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>7X8</scope></search><sort><creationdate>20150901</creationdate><title>Corrosion of Metal Modular Cup Liners</title><author>Hothi, Harry S., BEng, MSc, PhD ; Ilo, Kevin, BSc, MBBS ; Whittaker, Robert K., BSc ; Eskelinen, Antti, MD, PhD ; Skinner, John A., MBBS, FRCS (Eng), FRCS (Orth) ; Hart, Alister J., MA, MD, FRCS (Orth)</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c481t-1f6291311918d360b90c63cbc5c6f41618700a7dcbad2f372133f3260daf59de3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Arthroplasty, Replacement, Hip - instrumentation</topic><topic>Arthroplasty, Replacement, Hip - methods</topic><topic>Chromium Alloys</topic><topic>Corrosion</topic><topic>Female</topic><topic>Hip Prosthesis</topic><topic>Humans</topic><topic>liners</topic><topic>Male</topic><topic>metal-on-metal</topic><topic>Metals</topic><topic>Microscopy, Electron, Scanning</topic><topic>Middle Aged</topic><topic>modular cup</topic><topic>Orthopedics</topic><topic>Pelvic Bones - ultrastructure</topic><topic>Prosthesis Design</topic><topic>Prosthesis Failure</topic><topic>Reoperation - instrumentation</topic><topic>retrieval</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hothi, Harry S., BEng, MSc, PhD</creatorcontrib><creatorcontrib>Ilo, Kevin, BSc, MBBS</creatorcontrib><creatorcontrib>Whittaker, Robert K., BSc</creatorcontrib><creatorcontrib>Eskelinen, Antti, MD, PhD</creatorcontrib><creatorcontrib>Skinner, John A., MBBS, FRCS (Eng), FRCS (Orth)</creatorcontrib><creatorcontrib>Hart, Alister J., MA, MD, FRCS (Orth)</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Journal of arthroplasty</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hothi, Harry S., BEng, MSc, PhD</au><au>Ilo, Kevin, BSc, MBBS</au><au>Whittaker, Robert K., BSc</au><au>Eskelinen, Antti, MD, PhD</au><au>Skinner, John A., MBBS, FRCS (Eng), FRCS (Orth)</au><au>Hart, Alister J., MA, MD, FRCS (Orth)</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Corrosion of Metal Modular Cup Liners</atitle><jtitle>The Journal of arthroplasty</jtitle><addtitle>J Arthroplasty</addtitle><date>2015-09-01</date><risdate>2015</risdate><volume>30</volume><issue>9</issue><spage>1652</spage><epage>1656</epage><pages>1652-1656</pages><issn>0883-5403</issn><eissn>1532-8406</eissn><abstract>Abstract Numerous studies have reported on corrosion at the modular head taper, however less is known about the interface between the metal shell and liner of modular cups. This study examined the backside of a series of metal modular cup liners of two designs (DePuy Pinnacle and Smith & Nephew R3), retrieved from 67 patients. Visual inspection found evidence of corrosion in virtually all liners, with the engaging rim surface significantly more corroded than the polar regions ( P <0.001). EDX confirmed that black surface deposits were chromium rich corrosion debris, while SEM analysis revealed considerable pitting in the vicinity of the black debris. The R3 liners were significantly more corroded that the Pinnacles ( P <0.001); this may help to explain the higher revision rates of this design.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>25890504</pmid><doi>10.1016/j.arth.2015.03.022</doi><tpages>5</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Adult Aged Arthroplasty, Replacement, Hip - instrumentation Arthroplasty, Replacement, Hip - methods Chromium Alloys Corrosion Female Hip Prosthesis Humans liners Male metal-on-metal Metals Microscopy, Electron, Scanning Middle Aged modular cup Orthopedics Pelvic Bones - ultrastructure Prosthesis Design Prosthesis Failure Reoperation - instrumentation retrieval |
| title | Corrosion of Metal Modular Cup Liners |
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