Biocompatible Evaluation Of Biomaterials Used In The New Polish Extracorporeal Pulsatile Heart Assist Device ReligaHeart EXT

The innovative extracorporeal heart support device ReligaHeart (RH EXT) has been developed, based on POLVAD ventricular assist device clinical experience, collected in more than 300 patient applications. The innovative surface engineering technologies are applied in ReligaHeart EXT device. The pump...

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Bibliographic Details
Published in:Archives of metallurgy and materials 2015-09, Vol.60 (3), p.2271-2278
Main Authors: Gonsior, M., Kustosz, R., Kościelniak-Ziemniak, M., Wierzchoń, T.
Format: Article
Language:English
Subjects:
biomaterial biocompatybility evaluation
diffusive layers
polyurethanes
titanium nitride
ventricular assist device
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Summary:The innovative extracorporeal heart support device ReligaHeart (RH EXT) has been developed, based on POLVAD ventricular assist device clinical experience, collected in more than 300 patient applications. The innovative surface engineering technologies are applied in ReligaHeart EXT device. The pump is manufactured of new generation, modified surface structure, biocompatible polyurethanes, and equipped with original tilting disc valves, Moll type. The valve ring is made of titanium alloy, TiN+Ti N+αTi(N) diffusive layer modified, produced with glow discharge at plasma potential, in order to obtain the lowest thrombogenicity. The valve disc is made of polyether ether ketone. The complex and biological evaluations were performed, confirming both biomaterials biocompatible properties and device biocompatibility, proved in 30 days animal heart support.
ISSN:2300-1909
1733-3490
2300-1909
DOI:10.1515/amm-2015-0374