Laser texturing of a St. Jude Medical RegentTM mechanical heart valve prosthesis: the proof of concept.

ABSTRACT:

Objectives

The liquid-solid interactions have attracted broad interest since solid surfaces can either repel or attract fluids, configuring a wide spectrum of wetting states (from superhydrophilicity to superhydrophobicity). Since the blood-artificial surface interaction of bileaflet mechanical heart valves essentially represents a liquid-solid interaction, we analysed the thrombogenicity of mechanical heart valve prostheses from innovative perspectives. The aim of the present study was to modify the surface wettability of standard St. Jude Medical Regent™ occluders.

Methods

Four pyrolytic carbon occluders were irradiated by means of ultra-short pulse laser, to create 4 different nanotextures (A-D), the essential prerequisite to achieve superhydrophobicity. The static surfac

SUBMITTER: Vigano G 

PROVIDER: S-EPMC8632736 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature