Zeit R M
Radiology. 1987 May;163(2):575-6. doi: 10.1148/radiology.163.2.3550887.
An improved technique for percutaneous placement of Greenfield filters via the femoral vein is described. The technique involves the use of an extra-long sheath for filter placement and the application of a purse-string suture at the venipuncture site to facilitate hemostasis.