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.  ...

This is a newer design that is based on the Günther Tulip filter and designed to be more easily retrievable. It is made of Conichrome® which is a cobalt- chromium-nickel-molybdenum-iron alloy. It has a single-cone design and incorporates secondary struts, designed to centre the filter...

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 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...

This is an updated version of the recovery filter. This nitinol (nickel-titanium alloy) filter has a conical shape with 6 legs and 6 filter wires arranged in 2 offset layers. It has elastic fixation hooks designed to allow easier removal. Maximum caval diameter for insertion is 28mm and it...