| http://www.w3.org/ns/prov#value | - Filter 21 should be allowed to expand such that it substantially traverses the cross sectional area of the vessel. [0051] If catheter 12 is divided into sections such as section 14 and 16, catheter 12 can be completely removed from the body over a wire 26 having a standard guidewire length of about 180 cm for a femoral approach to a coronary artery or graft.
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