A surgical clamp has pivoting jaws with undulating arrays of teeth that are interdigitating and offset with relation to each other. This clamp structure assures a firm, non-slipping grip in the presence of blood and body fluids during surgery. The inner surfaces of the jaws are concave to allow the clamp...http://www.google.fr/patents/US5667526?utm_source=gb-gplus-shareBrevet US5667526 - Tissue retaining clamp
