DLC Coated Textile Vascular Prostheses Tested in Sheep

Miroslav Jelínek; Jiří Podlaha; Tomáš Kocourek

doi:10.4028/www.scientific.net/AMR.647.20

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DLC Coated Textile Vascular Prostheses Tested in Sheep
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 647DLC Coated Textile Vascular Prostheses Tested in...

DLC Coated Textile Vascular Prostheses Tested in Sheep

Abstract:

Textile vascular prostheses ARTECOR were coated by laser with amorphous diamond-like carbon layers (DLC) with thickness up to 200 nm. Layers were created in 0.25 Pa of Argon at laser energy density of 8 or 22 Jcm-2. Depending on the deposition conditions, DLC properties moved from soft „graphitic“ to more „diamond“ (53 % of sp3 bonds). Coated prostheses of various DLC thickness and sp3 content were implanted into carotid artery of Merino sheep. The prostheses were extirpated after 100 days (~180 days). From preliminary results follows that prostheses coated with DLC layer thickness of 20 nm and higher sp3 content showed the best results.

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Periodical:

Advanced Materials Research (Volume 647)

Pages:

20-24

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.647.20

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Online since:

January 2013

Authors:

Miroslav Jelínek, Jiří Podlaha, Tomáš Kocourek

Keywords:

DLC, In Vivo, PLD, Pre-Clinical Study, Thin Film, Vascular Prosthesis

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