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Related Experiment Videos

Inferior vena caval stent filter.

M J Wallace, K Ogawa, K Wright

    AJR. American Journal of Roentgenology
    |December 1, 1986
    PubMed
    Summary

    Researchers developed new inferior vena cava filters using expandable stents for anchoring. This novel stent filter system was successfully tested in canine subjects.

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    Area of Science:

    • Biomedical Engineering
    • Vascular Surgery

    Background:

    • Inferior vena cava (IVC) filters are crucial for preventing pulmonary embolism.
    • Current filters face challenges with anchoring and retrieval.
    • Development of improved IVC filter designs is ongoing.

    Purpose of the Study:

    • To create and evaluate a novel IVC filter design incorporating expandable metallic stents.
    • To assess the feasibility of percutaneous placement for the new stent filter system.

    Main Methods:

    • Fabrication of IVC filters by attaching filter wires to expandable metallic stents.
    • Utilizing the stents as an anchoring base to secure the filter to the IVC wall.
    • Testing the stent filter system's introducibility via a 12- to 13-French catheter sheath.

    Main Results:

    • The novel stent filter design was successfully created.
    • The stent provided a base for anchoring the filter to the IVC wall.
    • The system was successfully introduced and tested in 13 canine subjects.

    Conclusions:

    • Expandable metallic stents can serve as effective anchoring bases for IVC filters.
    • The developed stent filter system demonstrates feasibility for percutaneous placement.
    • Further research may explore clinical applications of this stent-based IVC filter design.

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