Biliary sphincter scissors, used in a sphincterotomy, include a stationary blade and an actuated blade having dimensions which allow the scissors to pass through a channel in an endoscope. The biliary sphincter scissors include a flexible arc-shaped curvature in the distal end to allow for creation of...http://www.google.de/patents/US6652551?utm_source=gb-gplus-sharePatent US6652551 - Biliary sphincter scissors
