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Mechanical evaluation of a bio-active bone cement for total hip arthroplasty (2000)

Ikeda, D. ; Saito, M. ; Murakami, A. ; [weitere]

Springer

Medical & biological engineering & computing 38 (2000), S. 401-405

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ISSN: 1741-0444

Schlagwort(e): Total hip arthroplasty ; Bone cement ; Bio-active cement ; Hydroxyapatite ; Finite element method ; Fatigue strength

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Chemie und Pharmazie , Medizin

Notizen: Abstract A new bio-active bone cement, known as CAP, has been developed as an alternative to acrylic bone cement. CAP has improved mechanical properties, with a high modulus that is over five times that of PMMA. The effects of this high modulus are examined by finite element analysis, when the CAP is used in place of PMMA to fix the femoral component in total hip prostheses. The results show a higher tensile stress of 8.76 MPa in the CAP cement, compared with 1.99 MPa in the PMMA cement. However, it is also shown that CAP has a superior fatigue strength of approximately 40 MPa, obtained from a cyclic loading test.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02345009

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