A clip apparatus for use in cholangiography or the like includes a clip, a catheter and a tool for applying and removing the clip from the cystic duct or the like. The clip preferably has two opposed C-shaped surfaces in jaws which can be biased together such that opposed edges touch to apply the clip...http://www.google.fr/patents/US4671282?utm_source=gb-gplus-shareBrevet US4671282 - Clip apparatus
