DIE ANPASSUNG DES VISKOELASTISCHEN VERHALTENS VON KNOCHENZEMENT AN DEN KNOCHEN ALS STABILISIERUNGSFAKTOR VON ENDOPROTHESEN

Translated title of the contribution: Adaptation of the viscoelastic behavior of bone cement to bone as a stabilizing factor in total replacements

G. Nikiforidis, A. Bezerianos, E. Lambiris

Research output: Contribution to journalArticle

Abstract

Incompatibility of viscoelastic properties is a major factor contributing to the development and enlargement of microscopic cracks between bone and bone cement. In the study reported here the viscoelastic characteristics of fresh long bones were studied in vitro and compared with those of bone cement. Using strain gauges, creep elongation was measured over time spans ranging from 10-2 to 103 seconds with an applied stress of 10 MPa. On the basis of these measurements creep compliance and permanent elongation at two points on a sheep femur were calculated by means of a rheologic Kelvin model with three parameters. The possibility of obtaining an optimal bone/cement bond was studied in the light of these results and of data published in the literature on bone cement creep related to cement composition factors.

Original languageGerman
Pages (from-to)237-242
Number of pages6
JournalZeitschrift fur Orthopadie und Ihre Grenzgebiete
Volume127
Issue number2
StatePublished - 1989
Externally publishedYes

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Bone Cements
Bone and Bones
Femur
Compliance
Sheep

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery

Cite this

DIE ANPASSUNG DES VISKOELASTISCHEN VERHALTENS VON KNOCHENZEMENT AN DEN KNOCHEN ALS STABILISIERUNGSFAKTOR VON ENDOPROTHESEN. / Nikiforidis, G.; Bezerianos, A.; Lambiris, E.

In: Zeitschrift fur Orthopadie und Ihre Grenzgebiete, Vol. 127, No. 2, 1989, p. 237-242.

Research output: Contribution to journalArticle

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