0041 - 79 938 95 71      info@venartis.org      drragg

Temporary Vein Blocker

Permanent implantable vein blocker (e.g. V-Block, VVT) have been invented to reliably occlude a vein segment, e.g. the saphenofemoral junction during catheter foam applications to prevent femoral vein thrombosis.
The VENARTIS work group is convinced that many patients will object to receiving an implant, even a resorbable one, when similar effects can be achieved without (e.g. laser, glue, RF).
Therefore, we designed a temporary vein blocker, which is positioned and deployed prior to foam injection, and collected after 1 - 2 minutes of foam exposure.
Compared to former attempts with occluding balloons, the device works much more precisely and is easily adaptable to different diameters and anatomic variants.
More detailed information will follow after patent disclosure.


See some photos from recent Workshops

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About us

I have been working on innovations in venous medicine now for 17 years, together with my teams in Berlin, Munich and Zurich and a growing number of international friends.

My personal bio includes physics, interventional radiology, angiology, phlebology and meanwhile 27 years of clinical experience in interdisciplinary vascular medicine

Award Sponsors

All prizes are offered by the VENARTIS work group, from the private pocket of cooperating physicians.

The committee selecting the innovation award winner includes members of vWIN foundation and VENARTIS work group.


Work Group Dr. Ragg

c/o Swiss-VX Venentherapie
und Forschung GmbH
Chaltenbodenstrasse 16
CH - 8834 Schindellegi (SZ)
0041 - 79 938 95 71