This filter is made from 316L stainless steel alloy that is nonferromagnetic and is MR compatible. It has a dual level arrangement with 6 short hooked legs to ensure fixation to the caval wall and 3 longer legs for centering. It requires a 7F system for insertion. It is approved...

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...

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...