The Greenfield filter was the result of collaboration between a surgeon and a petroleum engineer. Originally it was a component of a catheter management approach to massive pulmonary embolism. Industry support allowed further technical improvements and long-term patient followup studies.
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References
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GreenfieldL.J., KimmellG.O.Application of pneumatic techniques to surface tension determinations: the surfactometer.J Surg Res1967; 7: 276–9.
2.
GreenfieldL.J., KimmellG.O., McCurdyW.C.Transvenous removal of pulmonary emboli by vacuum-cup catheter technique.J Surg Res1969; 9: 347–52.
