| http://www.w3.org/ns/prov#value | - Rather than using a scalpel, scissors or other instrument to first cut into the cystic duct and then replacing the cutting instrument with an ovarian needle as in the prior art, the instrument of the present invention is capable of being clamped at its distal end to the exterior wall of the cystic duct with a needle-like probe penetrating through the wall for allowing the radiopaque fluid to be in
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