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Characterization of SLS parts for drug delivery devices

K.H. Low (K.H. Low is a Research Scholar at the Design Research Centre, School of Mechanical and Production Engineering, Nanyang Technological University, Singapore.)
K.F. Leong (K.F. Leong is an Associate Professor at the Design Research Centre, School of Mechanical and Production Engineering, Nanyang Technological University, Singapore.)
C.K. Chua (C.K. Chua is an Associate Professor at the Design Research Centre, School of Mechanical and Production Engineering, Nanyang Technological University, Singapore.)
Z.H. Du (Z.H. Du is a Research Fellow at the Design Research Centre, School of Mechanical and Production Engineering, Nanyang Technological University, Singapore.)
C.M. Cheah (C.M. Cheah is a Research Fellow at the Design Research Centre, School of Mechanical and Production Engineering, Nanyang Technological University, Singapore.)

Rapid Prototyping Journal

ISSN: 1355-2546

Article publication date: 1 December 2001

1998

Abstract

There are many applications for rapid prototyping systems and application in the biomedical field is an important domain. Uses selective laser sintering (SLS) in this study to build porous cylindrical disc matrices for use as drug delivery devices (DDD). Studies the part‐bed temperature to ascertain its influence over the porosity of the disc matrices. They are found to have an inverse linear relationship. Also investigates the dense walls, the inherent consequences of building porous structures with the SLS, in the disc matrix as they have a direct impact on the performance of the DDD. Discusses the size constraint of the disc matrix due to the limitations of the SLS process. Also investigates the possibility of creating disc matrices of varying porosity. Experimental results demonstrate that SLS is viable in producing DDDs that have variable porosity and micro‐features.

Keywords

Citation

Low, K.H., Leong, K.F., Chua, C.K., Du, Z.H. and Cheah, C.M. (2001), "Characterization of SLS parts for drug delivery devices", Rapid Prototyping Journal, Vol. 7 No. 5, pp. 262-268. https://doi.org/10.1108/13552540110410468

Publisher

:

MCB UP Ltd

Copyright © 2001, MCB UP Limited

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