Vena tech IVC filter

Case contributed by Dr Jayanth Keshavamurthy

Presentation

Radiograph ordered for abdominal pain.

Patient Data

Age: 55 years
Gender: Male

Name the IVC filter.

X-ray

A Vena Tech inferior vena cava filter and lumbosacral posterior spinal fusion hardware are present.

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®).

http://www.whichmedicaldevice.com/editorial/article/104/a-brief-history-of-inferior-vena-cava-filters-and-analysis-of-current-devices

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