The predecessor to the Celect, it was approved for use in Europe in 1992. It consists of 4 legs, each 44mm in length, and has 12 filter wires in total. It is also made of Conichrome® and has similar insertion requirements to the Celect. No limit on the retrieval window has been set.  ...

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...

This is a newer design, laser cut from a single piece of nitinol for greater strength.  It has a conical shape with 6 struts and a caudal hook. It is inserted via a 5F system, the smallest on the market. The dual insertion filter is introduced to the femoral or jugular via a 6.5 F delivery...

The recovery filter has dual legs (similar to Cook's celect filter) that aid straight positioning and are said to give bi-level filtering. The filter can be retrieved using Bard's special recovery cone system (see video).     'A brief history of inferior vena cava filters and...

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...