EMBOLIC FILTERS WITH CONTROLLED PORE SIZE
First Claim
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1. A device for filtering emboli from a patient'"'"'s vasculature, which comprises:
- a filter element repositionable between a collapsed configuration and an expanded configuration, the filter element comprising a plurality of filaments woven together such that the filter element includes a plurality of pores, the plurality of filaments including a first filament defining a first transverse cross-sectional dimension, and a second filament defining a second, transverse cross-sectional dimension different from the first transverse cross-sectional dimension.
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Abstract
A device for filtering emboli from blood flowing through a lumen defined by the walls of a vessel in a patient'"'"'s body. The device has a filter element being expandable from a collapsed configuration to an expanded configuration. The filter element includes a material having pores, and the material having pores includes cylindrical wires having at least three different diameters arranged in a pattern of graduated diameters.
11 Citations
20 Claims
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1. A device for filtering emboli from a patient'"'"'s vasculature, which comprises:
a filter element repositionable between a collapsed configuration and an expanded configuration, the filter element comprising a plurality of filaments woven together such that the filter element includes a plurality of pores, the plurality of filaments including a first filament defining a first transverse cross-sectional dimension, and a second filament defining a second, transverse cross-sectional dimension different from the first transverse cross-sectional dimension. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A device for filtering emboli from a patient'"'"'s vasculature, comprising:
a filter element repositionable between a collapsed configuration and an expanded configuration, the filter element comprising a plurality of cylindrical filaments woven together such that the filter element defines a plurality of pores. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
Specification