Vein filter
First Claim
1. A vessel filter comprising a first region and a second region, the first region including a filtering section for capturing particles and having a first transverse dimension, the second region including a mounting section for mounting the filter within the vessel, the mounting section having a second transverse dimension greater than the first transverse dimension and including vessel engaging structure to retain the filter, the vessel engaging structure including a first set of hooks and a second set of hooks, each set of hooks being positioned at an end of the mounting section, each of the hooks of the first set of hooks having a maximum transverse dimension greater than a maximum transverse dimension of each of the hooks of the second set of hooks.
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Accused Products
Abstract
A vessel filter comprising a first region and a second region wherein the filter is movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. A first region has a filter portion having a converging region at a first end portion to direct particles toward the center of the filter and the second region is flared in the expanded position to have a transverse dimension increasing toward a second end portion opposite the first end portion. The second region includes a vessel engaging portion at the second end portion. The second region includes a plurality of spaced apart struts with adjacent struts being joined.
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Citations
9 Claims
- 1. A vessel filter comprising a first region and a second region, the first region including a filtering section for capturing particles and having a first transverse dimension, the second region including a mounting section for mounting the filter within the vessel, the mounting section having a second transverse dimension greater than the first transverse dimension and including vessel engaging structure to retain the filter, the vessel engaging structure including a first set of hooks and a second set of hooks, each set of hooks being positioned at an end of the mounting section, each of the hooks of the first set of hooks having a maximum transverse dimension greater than a maximum transverse dimension of each of the hooks of the second set of hooks.
Specification