Analysis of 118 second-generation metal-on-metal retrieved hip implants.

Analysis of 118 second-generation metal-on-metal retrieved hip implants. Research Abstract Details 

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Analysis of 118 second-generation metal-on-metal retrieved hip implants. Abstract Text:

H P Sieber,C B Rieker,P Köttig,

Osteolysis is due to particulate wear debris and is responsible for the long-term failure of total hip replacements. It has stimulated the development of alternative joint surfaces such as metal-on-metal or ceramic-on-ceramic implants. Since 1988 the second-generation metal-on-metal implant Metasul has been used in over 60 000 hips. Analysis of 118 retrieved specimens of the head or cup showed rates of wear of approximately 25 microm for the whole articulation per year in the first year, decreasing to about 5 microm per year after the third. Metal surfaces have a 'self-polishing' capacity. Scratches are worn out by further joint movement. Volumetric wear was decreased some 60-fold compared with that of metal-on-polyethylene implants, suggesting that second-generation metal-on-metal prostheses may considerably reduce osteolysis.

Analysis of 118 second-generation metal-on-metal retrieved hip implants. Publishing Authors By Initials

HP Sieber,CB Rieker,P Köttig,

For similar surgical procedures, operative: reoperation research abstracts see: surgical procedures, operative: reoperation research

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Analysis of 118 second-generation metal-on-metal retrieved hip implants. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The Journal of bone and joint surgery. British vol

VOLUME: 81

Page Numbers: 46-50

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ISSN: 0301-620X

DAY: 14

MONTH: Jan

YEAR: 1999

Analysis of 118 second-generation metal-on-metal retrieved hip implants. Information

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LANGUAGE: eng

NlmUniqueID: 375355

Analysis of 118 second-generation metal-on-metal retrieved hip implants. Keywords Mesh Terms:

KEYWORDS: Reoperation

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Chemical & Substance for Abstract: Analysis of 118 second-generation metal-on-metal retrieved hip implants. Information

Substance Name: Metals

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Grant and Affiliation Information for Analysis of 118 second-generation metal-on-metal retrieved hip implants.

AFFILIATION: Regionalspital, Biel, Switzerland.

Country: ENGLAND

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MEDLINETA: J Bone Joint Surg Br

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