EXTENDED DURATION MEDICAL FILTER SYSTEM WITH CAGED FILTER
First Claim
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1. A medical filter system for placement in a tubular body passage such as a blood vessel, the medical filter system comprising in radially expanded form, an elongated cage and an elongated filter, said cage having a tubular form with a hollow interior and said filter disposed within said hollow interior in an interference fit with said cage.
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Abstract
A removable, radially compressible and expandable medical filter system for placement in a tubular body passage such as a blood vessel. The medical filter system comprises in radially expanded form, an elongated tubular cage with a hollow interior and an elongated filter disposed within the hollow interior of the cage in an interference fit.
71 Citations
20 Claims
- 1. A medical filter system for placement in a tubular body passage such as a blood vessel, the medical filter system comprising in radially expanded form, an elongated cage and an elongated filter, said cage having a tubular form with a hollow interior and said filter disposed within said hollow interior in an interference fit with said cage.
- 11. In combination, a blood vessel having a tubular wall and a medical filter system, said medical filter system being expanded in said blood vessel and having an elongated cage and an elongated filter, said cage having a tubular form with a hollow interior and said filter disposed within said hollow interior in an interference fit with said cage.
- 12. The combination as set forth in claim 12, wherein said filter has a retrieval hook at a longitudinal end thereof.
- 16. A method of treatment of a patient having a tubular blood vessel with a wall, said method comprising implanting a medical filter system in a tubular body passage, said medical filter system having self-expanding tubular cage containing a self-expanding filter.
Specification