Vena cava filter with filament
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United States of America
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Feb 18, 2025
Grant Date -
Apr 8, 2021
app pub date -
Oct 20, 2020
filing date -
Oct 20, 2020
priority date (Note) -
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Abstract
A vena cava filter is described, having one or more frame members or an elongated member arranged in helical fashion. A plurality of filaments connect frame members or portions of the elongated member. The filaments may be made of suture material. Hooks may be placed on a free end of the filaments, along the length thereof, or on one or more frame members to engage the blood vessel wall and anchor the filter. A retrieval member may be positioned on the filter to facilitate withdrawal of the filter from the blood vessel.
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