Publisher DOI: 10.1007/978-3-030-54334-1_23
Title: Qualification of additively manufactured blood vessel models for the evaluation of braided stent designs
Language: English
Authors: Kuhl, Juliane  
Ngo, Ngoc Tuan 
Buhk, Jan-Hendrik 
Ding, Andreas 
Braschkat, Andrés 
Fiehler, Jens 
Krause, Dieter  
Keywords: Additive Manufacturing (AM); Medical Device Validation; Product Development; Biomedical Design; AM Material Test Setup
Issue Date: 2020
Publisher: Springer
Source: International Conference on Additive Manufacturing in Products and Applications (AMPA 2020)
Abstract (english): 
For testing new designs of braided stents, an animal free anatomical model is needed, in which different Flow Diverter (FD) designs can be implanted and evaluated. The geometric replication of vessels by additively manufactured (AM) models has already been proven for aneurysm coiling within the neurointerventional training model HANNES. Nevertheless, since FDs closely interact with the vessel wall, AM vessel model materials need to be qualificated for the use case. Therefore, this paper presents an appropriate test bench for AM material tests and characterizes AM impact factors. As an outlook, different AM materials are tested and compared. Additionally, the impact of the postprocessing is investigated for one material. The paper shows the qualification of AM models for animal free design tests of a medical devices, where an objective test environment gives the opportunity to qualify AM materials for the medical use case.
Conference: International Conference on Additive Manufacturing in Products and Applications, AMPA 2020 
ISBN: 978-3-030-54333-4
Institute: Produktentwicklung und Konstruktionstechnik M-17 
Document Type: Chapter/Article (Proceedings)
Project: Individualisierte Flow Diversion Behandlung 
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