Literature DB >> 19440574

The effects of blood and fat on Morse taper disassembly forces.

Carlos J Lavernia1, Luis Baerga, Robert L Barrack, Evangelos Tozakoglou, Stephen D Cook, Loren Lata, Mark D Rossi.   

Abstract

Biological debris between modular components using Morse tapers in hip arthroplasty can lead to weakening of the implant construct. We conducted a study to determine the effect of blood and fat within the taper interface. Tapers were divided into groups 1 (clean), 2 (surface covered with blood and fat), and 3 (blood and fat wiped off). Each taper was impacted and disassembled 5 times. There was a difference in mean disassembly force between pulls within group 2. Thus, blood and fat contamination can have a significant effect on the potential for disassembly.

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Year:  2009        PMID： 19440574

Source DB:  PubMed          Journal:  Am J Orthop (Belle Mead NJ)        ISSN： 1078-4519


  17 in total

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9.  Are asymmetric metal markings on the cone surface of ceramic femoral heads an indication of entrapped debris?

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10.  Spontaneous Dissociation of Anatomic Medullary Locking A Plus (AML A Plus) Femoral Component at the Head-Neck Interface.

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