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A study of micromotion and appositional bone growth to a canine madreporic-surfaced femoral component.

Finkelstein, JA, Anderson, GI, Waddell, JP, Richards, RR, Hearn, TC and Schemitsch, E (1994) A study of micromotion and appositional bone growth to a canine madreporic-surfaced femoral component. J Arthroplasty, 9 (3). pp. 317-324.

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Abstract

A canine total hip arthroplasty model was used to examine micromotion and bone apposition to a proximally two-thirds madreporic-surfaced femoral prosthesis. Micromotion was also measured following initial press-fit implantation into canine cadaveric femora. After initial press-fit fixation and either 6 or 24 months of biologic fixation, micromotion was less than 23 microns in the proximal and midstem regions, a magnitude consistent with bone apposition. Bone apposition was greatest near the junction of the madreporic and smooth surfaces and was not significantly different between 6 and 24 months (51% at 6 months and 47% at 24 months). The quality of the interface tissue appears to be conductive to long-term fixation.

Item Type: Article
Authors :
NameEmailORCID
Finkelstein, JAUNSPECIFIEDUNSPECIFIED
Anderson, GIg.i.anderson@surrey.ac.ukUNSPECIFIED
Waddell, JPUNSPECIFIEDUNSPECIFIED
Richards, RRUNSPECIFIEDUNSPECIFIED
Hearn, TCUNSPECIFIEDUNSPECIFIED
Schemitsch, EUNSPECIFIEDUNSPECIFIED
Date : June 1994
Uncontrolled Keywords : Animals, Bone Remodeling, Disease Models, Animal, Dogs, Hip Prosthesis, Prosthesis Design
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:07
Last Modified : 17 May 2017 10:07
URI: http://epubs.surrey.ac.uk/id/eprint/826438

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