Optional Vena Cava Filter with Disengaging Centering Struts: Retrieval in an Animal Model

Hanno Hoppe, Theodore J. Beyer, Won Kyu Park, Barry T. Uchida, Dusan Pavcnik, Frederick S. Keller, John A. Kaufman

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

An optional inferior vena cava (IVC) filter prototype was evaluated for safety and long-term retrievability as an initial feasibility study in an animal model. This filter has four centering struts that have the ability to disengage from the filtering cone portion, allowing the legs to slide out of endothelial growth. Retrieval of six filters in three animals was successful up to 27 weeks. There was no substantial filter tilt, migration, or IVC damage. In conclusion, this filter design may help overcome some of the shortcomings in currently approved optional IVC filters, including long-term retrieval difficulties, tilting, or migration.

Original languageEnglish (US)
Pages (from-to)1772-1776
Number of pages5
JournalJournal of Vascular and Interventional Radiology
Volume19
Issue number12
DOIs
StatePublished - Dec 1 2008

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

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