Wear simulation of total hip prostheses with polyethylene against CoCr, alumina and diamond-like carbon

Saikko, Vesa; Ahlroos, Tiina; Calonius, Olof; Keränen, Jaakko

doi:10.1016/s0142-9612(00)00306-9

Cited by 146 publications

(90 citation statements)

References 20 publications

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“…A number of papers do not state the type of DLC used [4,[40][41][42][43][46][47][48], while those that do state they are using ta-C or a-C:H, they fail to mention the composition ratio. While the manufacturing method and the source material enable an estimation of the composition, without knowing the exact conditions during the deposition, it remains little more than a guess.…”

Section: Potential Reasons For Differing Resultsmentioning

confidence: 99%

“…Finally the thickness of interlayers and coatings are also often excluded, which again play a significant role in the coatings performance. Saikko et al [43] noted that different serums can cause different results, due to the different types of biological interactions that occur and the severity of these interactions in the fluid. In addition to this, some serum tests use additives like EDTA to prevent the serum clotting, this can change the chemistry of the serum and the interactions of the proteins on the surface, affecting the overall performance.…”

Section: Potential Reasons For Differing Resultsmentioning

confidence: 99%

“…Out of 14 reports [4,27,[39][40][41][42][43][44][45][46][47][48][49][50] there appeared to be no standardisation between choice of testing conditions and counter surface.…”

Section: Pin On Disc Testingmentioning

confidence: 99%

“…Tiainen [27] showed a reduction in wear by a factor of 10 5 -10 6 , Lappalainen et al [39] only showing a reduction of 10 2 -10 4 and Fisher et al [42] only showing a wear rate reduction of 26.The only notable differences between these tests is that Fisher et al tested the DLC coating against a different hard coating (CrN) not a 2nd DLC surface and a slightly different testing rig Papers that use DLC on UHMWPE(Saikko et al [43], Affatato et al [41] and Dowling et al [40]) use similar testing periods and testing solutions. However, Affatato et al [41] used double the test load that Saikko et al [43] employed. So although the results are similar (Affatato et al showing DLC to offer a very slight improvement, Saikko et al showing it is virtually the same, if a little worse than using an uncoated sample) they are difficult to compare due to such a simple difference in test conditions.…”

Section: Hip Simulator Testingmentioning

confidence: 99%

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Diamond like carbon coatings for potential application in biological implants—a review

Love

Cook

Harvey

et al. 2013

Tribology International

227

118

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a b s t r a c tProduction of wear debris has been linked to the failure of numerous hip implants. With the current focus on increasing the implant longevity, thus wear and corrosion resistance is important. Hard coatings have the potential to reduce the wear and corrosion. Diamond like Carbon (DLC) coatings exhibit properties that could make them viable for implants. This paper critically reviews previously published research into usage of DLC coatings for implants. Overall DLCs seem to be an effective coating for implants but with the variance in results, further testing is required for clarification of use.

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Section: Potential Reasons For Differing Resultsmentioning

confidence: 99%

Section: Potential Reasons For Differing Resultsmentioning

confidence: 99%

“…Out of 14 reports [4,27,[39][40][41][42][43][44][45][46][47][48][49][50] there appeared to be no standardisation between choice of testing conditions and counter surface.…”

Section: Pin On Disc Testingmentioning

confidence: 99%

Section: Hip Simulator Testingmentioning

confidence: 99%

See 2 more Smart Citations

Diamond like carbon coatings for potential application in biological implants—a review

Love

Cook

Harvey

et al. 2013

Tribology International

227

118

View full text Add to dashboard Cite

show abstract

“…It concerns a total hip prosthesis wear. To deal with this type of problem some authors have adopted an experimental basis using hip simulators [7], [24], [2]. This type of approach allows quite accurate estimation of wear loss and location.…”

Section: Numerical Simulations : Total Hip Prosthesismentioning

confidence: 99%

An implicit numerical method for wear modeling applied to a hip joint prosthesis problem

Jourdan¹,

Samida²

2009

Computer Methods in Applied Mechanics and Engineering

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Some phenomenological wear models exist, but they are most of the time used to post-process numerical simulations. In certain situations however, material loss may be sufficient to change the contact area, contact stresses. In such cases, coupling the wear loss estimation to the mechanical contact modelling becomes essential. It can be done, and is done most of the time, by updating geometry between time-

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Effect of counterface roughness on the wear of conventional and crosslinked ultrahigh molecular weight polyethylene studied with a multi-directional motion pin-on-disk device

Saikko¹,

Calonius²,

Keränen

2001

J. Biomed. Mater. Res.

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The effect of counterface roughness on the wear of conventional gamma-sterilized, and electron-beam-crosslinked ultrahigh molecular weight polyethylene was studied with a circularly translating pin-on-disk device. The counterfaces, CoCr disks, were either polished, or roughened so that they represented the type of roughening and the range of surface roughness values (R(a) = 0.014-0.24 microm) observed in explanted femoral heads of total hip prostheses. The lubricant was diluted calf serum, and the test length 3 million cycles. A total of 24 tests were done. With both types of polyethylene, there was a strong correlation between R(a) and wear factor k. The power equations were k = 5.87 x 10(-5)(R(a))(0.91) for conventional polyethylene (R(2) = 0.94), and k = 7.87 x 10(-5)(R(a))(2.49) for crosslinked polyethylene (R(2) = 0.82). Crosslinking improved wear resistance significantly. The wear of crosslinked polyethylene against the roughest counterfaces was lower than the wear of conventional polyethylene against the polished counterfaces. Against rough counterfaces, the wear of crosslinked polyethylene was an order of magnitude lower than that of conventional polyethylene. On the crosslinked polyethylene pins that were tested against polished counterfaces, remains of original machining marks were still visible after the test. The average size of wear particles produced by both types of polyethylene against rough counterfaces was similar, 0.4 microm, whereas that produced by conventional and crosslinked polyethylene against polished counterfaces was significantly smaller, 0.2 and 0.1 microm, respectively.

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Wear simulation of total hip prostheses with polyethylene against CoCr, alumina and diamond-like carbon

Cited by 146 publications

References 20 publications

Diamond like carbon coatings for potential application in biological implants—a review

Diamond like carbon coatings for potential application in biological implants—a review

An implicit numerical method for wear modeling applied to a hip joint prosthesis problem

Effect of counterface roughness on the wear of conventional and crosslinked ultrahigh molecular weight polyethylene studied with a multi-directional motion pin-on-disk device

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