@inproceedings{e52e08f41daf48238386bbf42b6528f4,
title = "Process development for high-resolution 3D-printing of bioresorbable vascular stents",
abstract = "The recent development of {"}continuous projection microstereolithography{"} also known as CLIP technology has successfully alleviated the main obstacles surrounding 3D printing technologies: Production speed and part quality. Following the same working principle, we further developed the μCLIP process to address the needs for high-resolution 3D printing of biomedical devices with micron-scale precision. Compared to standard stereolithography (SLA) process, μCLIP fabrication can reduce fabrication time from several hours to as little as a few minutes. μCLIP can also produce better surface finish and more uniform mechanical properties than conventional SLA, as each individual {"}fabrication layer{"} continuously polymerizes into the subsequent layer. In this study, we report the process development in manufacturing high-resolution bioresorbable stents using our own μCLIP system. The bioresorbable photopolymerizable biomaterial (B-ink) used in this study is methacrylated poly(1, 12 dodecamethylene citrate) (mPDC). Through optimization of our μCLIP process and concentration of B-ink components, we have created a customizable bioresorbable stent with similar mechanical properties exhibited by nitinol stents. Upon optimization, fabricating a 2 cm tall vascular stent that comprises 4000 layers was accomplished in 26.5 minutes.",
keywords = "3D Printing, Bioresorbable Vascular Stent, μCLIP",
author = "Ware, {Henry Oliver T.} and Farsheed, {Adam C.} and {Van Lith}, Robert and Evan Baker and Guillermo Ameer and Cheng Sun",
note = "Publisher Copyright: {\textcopyright} 2017 SPIE.; Advanced Fabrication Technologies for Micro/Nano Optics and Photonics X 2017 ; Conference date: 29-01-2017 Through 01-02-2017",
year = "2017",
doi = "10.1117/12.2252856",
language = "English (US)",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Schoenfeld, {Winston V.} and {von Freymann}, Georg and Rumpf, {Raymond C.}",
booktitle = "Advanced Fabrication Technologies for Micro/Nano Optics and Photonics X 2017",
}