FILTER FOR THROMBUS CATCHING

摘要

PURPOSE: To provide a device capable of inserting simply by a percutaneous filter insertion method and having sufficient filter action not by permanent indwelling but by temporary inserting. CONSTITUTION: This filter is composed of plural extensible pyramidal leaf bodies 1 formed with an extensible metallic wire, and a funnel type catching space is formed by arranging and fixing the one end of each leaf body 1 on a circular ditch 4 of a metallic cylinder 2 joined to the tip of a tube shaft 3.