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Mechanical properties of some fibre reinforced polymer composites after implantation as fracture fixation plates |
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| Authors: | G.B. McKenna G.W. Bradley H.K Dunn W.O. Statton |
| Affiliation: | Polymer Science and Standards Division, National Measurement Laboratory, National Bureau of Standards, Washington, D.C. 20234, USA Division of Orthopaedics, University of Utah Medical Centre, Salt Lake City, Utah 84112, USA Department of Materials Science and Engineering, University of Utah, Salt Lake City, Utah 84112, USA |
| Abstract: | Continuous fibre reinforced composite bone plates made from graphite/polysulphoneand glass/epoxy laminates were implanted for 16 weeks on osteotomized canine femurs and for 12 months on intact femurs. After sacrifice, the plates were removed and tested in four point bending for stiffness and strength. There were no significant differences in properties between control and implanted plates in the 16 week study. Both the glass/epoxy and the graphite/polysulphone systems showed deterioration after implantation for 12 months. |
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