Stability of proximal femoral allografts after canine hip replacement

S. S. Kohles, J. P. Heiner, R. Vanderby, P. A. Manley, R. P. McCabe, M. D. Markel

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Hip replacement in a femur with proximal bone loss was studied in a canine model. Specifically, the fixation stability of a prosthesis and proximal bone graft relative to the distal femur was analyzed. Linear and angular relative displacements of proximal femoral canine grafts were determined after four months of implantation and after ex vivo (nonresected) implantation. Relative displacements representing the six degrees of freedom were calculated via matrix transformations from the relative displacements measured by nine eddy current transducers. A comparison of the stability during axial and transverse loading between distally cemented and distally press-fit total hip reconstructions was made. The results showed no significant differences between the stability of cemented and cementless reconstructed femora during both loading orientations. The femora implanted for four months had significantly larger linear lateral displacement for cemented (p = 0.0490) and cementless (p = 0.0313) groups during axial loading compared to the nonresected femora. Transverse loading revealed no significant differences between control and four month groups.

Original languageEnglish (US)
Title of host publication1992 Advances in Bioengineering
PublisherPubl by ASME
Number of pages3
ISBN (Print)0791811166
StatePublished - 1992
Externally publishedYes
EventWinter Annual Meeting of the American Society of Mechanical Engineers - Anaheim, CA, USA
Duration: Nov 8 1992Nov 13 1992

Publication series

NameAmerican Society of Mechanical Engineers, Bioengineering Division (Publication) BED


OtherWinter Annual Meeting of the American Society of Mechanical Engineers
CityAnaheim, CA, USA

ASJC Scopus subject areas

  • Engineering(all)


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