Investigations of antithrombogenic properties of passive-carbon layer
2006
Purpose: The main purpose of the paper was evaluation of antithrombogenic properties of the passive-carbon layer used for enhancing the surface properties of vascular stents made of Cr-Ni-Mo steel. Design/methodology/approach: In vitro tests of biotolerance evaluation of the passive-carbon layer in blood environment have been carried out on the basis of haemolysis tests (in the direct contact and from the extract) and blood clotting tests. Findings: The carried out investigations have shown that deposition process of the passive-carbon layer which has dielectric properties on the surface of implants made of Cr-Ni-Mo steel and used in interventional cardiology is an effective way in limiting the reactivity of their surface in blood environment and the blood clotting process
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