New technique to extend the useful life of a biodegradable cartilage implant

T. L. Spain, C. M. Agrawal, K. A. Athanasiou

Research output: Contribution to conferencePaper

Abstract

A blend of three copolymers of 50:50 poly(DL-lactide-co-glycolide) with inherent viscosities of 0.23, 0.58 and 1.37 dl/gm was used as the starting material of a cartilage implant. The new design's salient in vitro biodegradation characteristics were obtained and compared with those of the current design. The axial strain was calculated at the surface of the implant by normalizing the equilibrium creep value with the initial implant thickness. The Boussinesq-Papkovitch equation was used to calculate Young's modulus, and the porosity was quantified by applying the NIH Image 1.60 software to the images produced by scanning electron microscopy.

Original languageEnglish (US)
Number of pages1
StatePublished - 1998
EventProceedings of the 1998 17th Southern Biomedical Engineering Conference - San Antonio, TX, USA
Duration: Feb 6 1998Feb 8 1998

Other

OtherProceedings of the 1998 17th Southern Biomedical Engineering Conference
CitySan Antonio, TX, USA
Period2/6/982/8/98

ASJC Scopus subject areas

  • Engineering(all)

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    Spain, T. L., Agrawal, C. M., & Athanasiou, K. A. (1998). New technique to extend the useful life of a biodegradable cartilage implant. Paper presented at Proceedings of the 1998 17th Southern Biomedical Engineering Conference, San Antonio, TX, USA, .