1. A complication of the greenfield filter: Fracture and distal migration of two struts—A case report 
Syde A. Taheri, MD, Mahmoud N. Kulaylat, MD, Eric Johnson, MD, Eddie Hoover, MD 
Journal of Vascular Surgery 
Volume 16, Issue 1, Pages (July 1992)
DOI: / (92)
Copyright © 1992 Society for Vascular Surgery and the North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

2. Fig. 1 Greenfield filter in original position.
Journal of Vascular Surgery  , 96-99DOI: ( / (92) )
Copyright © 1992 Society for Vascular Surgery and the North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

3. Fig. 2
Migration of two fractured struts and engagement into right renal vein.
Journal of Vascular Surgery  , 96-99DOI: ( / (92) )
Copyright © 1992 Society for Vascular Surgery and the North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

4. Fig. 3
Cavogram shows patency of IVC and engagement of filter into right renal vein.
Journal of Vascular Surgery  , 96-99DOI: ( / (92) )
Copyright © 1992 Society for Vascular Surgery and the North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions