A method for coating the net or mesh fabric of surgically used blood vessel stents has a first thin coating applied to the web material and a second thicker coating applied to the webs and gaps

摘要

Thin wall material used in the treatment of blocked blood vessels or trachea of patients is composed of a mesh of fine material which is made impervious by coating with a suitable material and to ensure complete coating a first thin coating is applied to the web material followed by a thick coating which covers the space between the webs.