Physical Properties of Venous Stents: An Experimental Comparison

Cardiovascular and Interventional Radiology
Darius DabirDaniel L R Kuetting

Abstract

Iliocaval obstruction is a substantial contributor to chronic venous insufficiency and is increasingly being treated endovascularly with angioplasty and stent placement. Utilization of an appropriate stent for treatment is pivotal; however, until today, mechanical properties of venous stents remain unknown. We analyzed the radial resistive force, the chronic outward force, as well as the crush resistance of seven stent models [Zilver Vena (Cook, Bjaeverskov, Denmark), Sinus Venous, Sinus Obliquus and Sinus XL Flex (Optimed, Ettlingen, Germany), Vici (Veniti; St. Louis, USA), Wallstent (Boston Scientific, Marlborough, USA), and Venovo (Bard, Tempe, USA)] in vitro using a radial force testing machine (RX-650, Machine Solutions Inc., Flagstaff, AZ, USA) and a hardness testing machine (zwickiLine, Zwick Roell, Ulm, Germany). The Sinus Obliquus revealed the highest radial resistive force (19.41 N/cm) and the highest chronic outward force at 50 and 30% nominal diameter (7.93 N/cm at 50%, 16.97 N/cm at 30%) while the Venovo revealed the highest chronic outward force at 90 and 80% nominal diameter (4.83 N/cm at 90%, 5.37 N/cm at 80%). The radial resistive force and the chronic outward force of the Wallstent greatly depended on whether ...Continue Reading

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Citations

Sep 20, 2018·Phlebology·Haijie CheXiaoming Zhang
Oct 18, 2018·Journal of Thrombosis and Thrombolysis·Xicheng ZhangXiaoqiang Li
Mar 3, 2020·Zentralblatt für Chirurgie·Michael Burbelko
Oct 22, 2020·Journal of Medical Imaging and Radiation Oncology·Ivan Kuang Hsin HuangZhiwen Joseph Lo
Jan 29, 2021·Cardiovascular and Interventional Radiology·Christopher J GrilliAssaf Graif
Mar 18, 2021·Journal of Biomechanics·Masoud HejaziA Srikantha Phani
Mar 20, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Jakub KwiecinskiZhong You
May 7, 2021·VASA. Zeitschrift für Gefässkrankheiten·Michael LichtenbergRick de Graaf
May 22, 2021·Journal of Vascular Surgery. Venous and Lymphatic Disorders·Mohamed A H TahaAlun H Davies
Jun 21, 2021·Physica Medica : PM : an International Journal Devoted to the Applications of Physics to Medicine and Biology : Official Journal of the Italian Association of Biomedical Physics (AIFB)·Simon ReissMichael Bock
Jun 21, 2021·Techniques in Vascular and Interventional Radiology·Jesse ChaitManju Kalra
Jul 15, 2021·Journal of Vascular Surgery Cases and Innovative Techniques·Aaron C DaubJeffrey Forris Beecham Chick
Jun 29, 2021·Journal of Vascular and Interventional Radiology : JVIR·John FiltesNoor Ahmad

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