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

Artificial Vein Valves

Since surgical reconstructions of vein valves or even the creation of neo-valves is a very tricky job, only very few phlebologists are able to perform (MALETI).
The only solution for a routine application, e.g. in symptomatic cases with deep vein reflux after DVT, is the development of implantable artificial vein valves. These have to be very different from the prototypes shown in the past!
Due to the ongoing patent process, we are not allowed to publish details of our work now. However, we are free to counsel other investigators and support their work.

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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