Rotatable sphincterotome is used for cannulation of the ductal system and for sphincterotomy, if preloaded, also aids ERCP operation in the stenosis of bile duct difficult stricture.

Features of Rotatable Sphincterotome

Tapered tip enables easy cannulation.

Comparison Between a Rotatable Sphincterotome and a Conventional Sphincterotome

The conventional sphincterotome consists of a metal wire with insulating coating, with the distal 20–30 mm of wire exposed, and a short radio-opaque, tapered tip. Cannulation is usually attempted with a sphincterotome at present time. The conventional sphincterotome is designed to perform sphincterotomy at the 12 o'clock orientation, while a rotatable sphincterotome for ERCP in B-II patients or when cannulation/therapeutic interventions entails orientation other than the standard 11–1 o'clock position.

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