This is a conical filter with 6 legs, each attached to a flat side rail that lies against the cava wall. These act as vertical stabilizing struts. It is made of Phynox® wire (same alloy as Conichrome®).      'A brief history of inferior vena cava filters and analysis...

The TRAPEASE Permanent Vena Cava Filter from Cordis is designed for the treatment and prevention of recurrent pulmonary embolism. The filter is deployed via a 6F sheathed induction kit.  The updated temporary version is the OptEase filter.     'A brief history of inferior...

This was the first nitinol filter on the market. It has a similar design to the G2 with a lower level of anchoring legs and an upper level for capturing clots.  The main difference is that the upper level is composed of loops of wire rather than struts.     'A brief history...

This nitinol filter has a non-tilt spiral shape, designed to be self-centering. It is anchored by an oversized double ring platform rather than by hooks or struts. This requires that the filter be sized to the caval diameter.     'A brief history of inferior vena cava filters and...

The Optease filter is a retrievable filter that can be inserted via femoral, jugular or antecubital routes. The filter comes compressed in a plastic tube for insertion, marked for the appropriate insertion route. This nitinol hypotube filter is a modified version of the permanent TrapEase...