1. The bird's nest filter: A new percutaneous transcatheter inferior vena cava filter 
John O.F. Roehm, M.D. 
Journal of Vascular Surgery 
Volume 1, Issue 3, Pages (May 1984)
DOI: / (84)
Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

2. Fig. 1
Radiograph of bird's nest filter within catheter (top). Axial (middle) and lateral (bottom) projections of filter in plastic tube. Note fine interstices as viewed axially.
Journal of Vascular Surgery 1984 1, DOI: ( / (84) )
Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

3. Fig. 2
Inferior vena cava autopsy specimen containing filter. In spite of shrinkage of vena cava produced by formalin fixation, hooks have not penetrated vena cava wall.
Journal of Vascular Surgery 1984 1, DOI: ( / (84) )
Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

4. Fig. 3
Lateral radiograph of (left to right) Mobin-Uddin, bird's nest, and Kim-Ray Greenfield filters.
Journal of Vascular Surgery 1984 1, DOI: ( / (84) )
Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions