| http://www.w3.org/ns/prov#value | - U.S. Pat. No. 5,782,861 and 5,964,782 describe clip devices composed of two or more prongs or hooks that, depending on the direction of the prongs, can clip together the puncture site from the intra- or extravascular position, through the use of a collar which forces the prongs together or other mechanisms.
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