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

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

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

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

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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 language	English (US)
Title of host publication	Southern Biomedical Engineering Conference - Proceedings
Place of Publication	Piscataway, NJ, United States
Publisher	IEEE
Pages	21
Number of pages	1
State	Published - 1998
Externally published	Yes
Event	Proceedings of the 1998 17th Southern Biomedical Engineering Conference - San Antonio, TX, USA Duration: Feb 6 1998 → Feb 8 1998

Other

Other	Proceedings of the 1998 17th Southern Biomedical Engineering Conference
City	San Antonio, TX, USA
Period	2/6/98 → 2/8/98

ASJC Scopus subject areas

Engineering(all)

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Cite this

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title = "New technique to extend the useful life of a biodegradable cartilage implant",

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.",

author = "Spain, {T. L.} and Agrawal, {C. M.} and Athanasiou, {K. A.}",

year = "1998",

language = "English (US)",

pages = "21",

booktitle = "Southern Biomedical Engineering Conference - Proceedings",

publisher = "IEEE",

note = "Proceedings of the 1998 17th Southern Biomedical Engineering Conference ; Conference date: 06-02-1998 Through 08-02-1998",

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TY - GEN

T1 - New technique to extend the useful life of a biodegradable cartilage implant

AU - Spain, T. L.

AU - Agrawal, C. M.

AU - Athanasiou, K. A.

PY - 1998

Y1 - 1998

N2 - 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.

AB - 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.

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M3 - Conference contribution

AN - SCOPUS:0031700024

SP - 21

BT - Southern Biomedical Engineering Conference - Proceedings

PB - IEEE

CY - Piscataway, NJ, United States

T2 - Proceedings of the 1998 17th Southern Biomedical Engineering Conference

Y2 - 6 February 1998 through 8 February 1998

ER -