| http://www.w3.org/ns/prov#value | - Filter 50 can be fabricated from a variety of different materials, such as but not limited to, a woven or braided plastic or metallic mesh, a perforated polymer film, a Nitinol mesh, combinations thereof, or other material that is capable of capturing material within flowing blood, while allowing the blood to flow through the pores or apertures thereof.
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