The shark's fin papillotome.
D000328:Adult; D000368:Aged; D014670:Ampulla of Vater / Q000601:surgery*; D001652:Bile Ducts / Q000601:surgery; D002769:Cholelithiasis / Q000601:surgery; D004322:Drainage / Q000379:methods; D004564:Electrocoagulation / Q000295:instrumentation*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged