Theoretical and Experimental study of a circular imprint process for fabricating polylactide stents

Ping Tun Teng, Fuh Yu Chang, Meng Jye Lin, Yu Ting Chang, Po Chin Liang, Kai Wen Huang

Research output: Contribution to journalArticle

Abstract

This study presents the concept for a circular imprint process for polylactide (PLA) stent fabrication that can reduce processing time and costs compared to traditional processes. The properties of PLA were measured for the theoretical simulation of the PLA stent firstly. Two proposed simulation models were built to predict the filling rate of the PLA material in the circular imprint process by the finite volume method (FVM) and to comprehend the compressibility of the PLA stent using the finite element method (FEM). A specially designed circular mold and imprint system are employed to imprint the stent structure. Experimental results show a similar trend to the theoretical results for the circular imprint process under varying conditions. Moreover, a filling rate of up to 98.3% can be achieved, and the PLA stent, which had good material properties and compressibility, was fabricated successfully using the circular imprint system.

Original languageEnglish
Article number06JK04
JournalJapanese Journal of Applied Physics
Volume53
Issue number6 SPEC. ISSUE
DOIs
Publication statusPublished - 2014 Jun

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Stents
compressibility
finite volume method
finite element method
Compressibility
simulation
costs
trends
fabrication
Finite volume method
Materials properties
Finite element method
Fabrication
Processing
Costs

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Theoretical and Experimental study of a circular imprint process for fabricating polylactide stents. / Teng, Ping Tun; Chang, Fuh Yu; Lin, Meng Jye; Chang, Yu Ting; Liang, Po Chin; Huang, Kai Wen.

In: Japanese Journal of Applied Physics, Vol. 53, No. 6 SPEC. ISSUE, 06JK04, 06.2014.

Research output: Contribution to journalArticle

Teng, Ping Tun ; Chang, Fuh Yu ; Lin, Meng Jye ; Chang, Yu Ting ; Liang, Po Chin ; Huang, Kai Wen. / Theoretical and Experimental study of a circular imprint process for fabricating polylactide stents. In: Japanese Journal of Applied Physics. 2014 ; Vol. 53, No. 6 SPEC. ISSUE.
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