| http://www.w3.org/ns/prov#value | - In this manner, a needle or other puncturing element may be passed through the apparatus following its implantation to restore blood flow, or to gain access to portions of the blood vessel which are distal to the site at which the apparatus was implanted. [0017] Still further in accordance with the invention, some embodiments of these implantable lumen-blocking apparatus may comprise a woven fabri
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