In proximal deep vein thrombosis, thrombolytic treatment is more effec
tive than heparin from a recanalization point of view but with a failu
re rate of 20%. We describe an interventional therapeutic procedure th
at may be effective in these cases. Mechanical thrombolysis with the t
hrombolizer (Angiocor, Lille Hellemmes, France) has been tried in 2 ca
ses of deep vein thrombosis, when systemic thrombolysis alone had fail
ed.