Alumina-on-Alumina Total Hip Arthroplasty

Hamadouche, Moussa; Boutin, Pierre; Daussange, J.; Bolander, Mark E.; Sedel, L.

doi:10.2106/00004623-200201000-00011

Cited by 364 publications

(45 citation statements)

References 24 publications

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“…It reacts as if an excessively high pressure, as in the shoulders of weight lifters, would prevail. Many publications in the field of joint surgery reflect additional complications which are presently not well understood [23]. This supports our considerations of a nano-material function of spongy bone material, which is not tolerated and supported by typical present-day implants.…”

Section: Challenges For Prosthesis Researchsupporting

confidence: 80%

Nano-Material Aspects of Shock Absorption in Bone Joints

Tributsch

Copf²,

Copf³

et al. 2010

TOBEJ

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This theoretical study is based on a nano-technological evaluation of the effect of pressure on the composite bone fine structure. It turned out, that the well known macroscopic mechano-elastic performance of bones in combination with muscles and tendons is just one functional aspect which is critically supported by additional micro- and nano- shock damping technology aimed at minimising local bone material damage within the joints and supporting spongy bone material. The identified mechanisms comprise essentially three phenomena localised within the three–dimensional spongy structure with channels and so called perforated flexible tensulae membranes of different dimensions intersecting and linking them. Kinetic energy of a mechanical shock may be dissipated within the solid-liquid composite bone structure into heat via the generation of quasi-chaotic hydromechanic micro-turbulence. It may generate electro-kinetic energy in terms of electric currents and potentials. And the resulting specific structural and surface electrochemical changes may induce the compressible intra-osseal liquid to build up pressure dependent free chemical energy. Innovative bone joint prostheses will have to consider and to be adapted to the nano-material aspects of shock absorption in the operated bones.

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Section: Challenges For Prosthesis Researchsupporting

confidence: 80%

Nano-Material Aspects of Shock Absorption in Bone Joints

Tributsch

Copf²,

Copf³

et al. 2010

TOBEJ

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show abstract

“…In all cases, we have used an uncemented femoral stem Quadra, and an uncemented Pressfit acetabulum Versafit (Medacta). In patients less than 70 years of age, a ceramic-on-ceramic combination was used as a matter of principle [6]. Beyond 70 years of age, a double mobility ceramic-on-polyethylene combination is preferable.…”

Section: Resultsmentioning

confidence: 99%

Total hip arthroplasty through an anterior Hueter minimally invasive approach

Laude¹

2006

Interact Surg

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“…Similarly, the alternatives of ceramic [8] and of metalon-metal [14,20] articulations have proven successful. Moreover, subsequent to the new understanding of the mechanisms of lysis from UHMWPE in humans, the innovations of crosslinking plus melting [14,15,20] or crosslinking with added antioxidants [17,18] have reestablished metal-on-crosslinked polyethylene as a leading choice for articulation [1].…”

Section: The Five Observationsmentioning

confidence: 99%