Impact of a Novel Oblique-Tip Papillotome for Biliary Cannulation during ERCP: A Nonrandomized Coarsened Exact Matching Study

Figure 1

Concept of a new oblique-tip papillotome. A standard-tip papillotome may be advertently aligned with the pancreatic duct (a). The new oblique-tip papillotome can deflect the interposed septum between the opening of the common bile duct and the pancreatic duct below. As a result, the top of the oblique-tip papillotome can follow a course toward the bile duct (b). The new oblique-tip papillotome with cutting wire, injection, and guide wire lumen. The tip of the oblique-tip papillotome is sharpened obliquely and circumferentially and is angled at approximately 40 degrees (c). CBD: common bile duct; MPD: main pancreatic duct.

(a)

(b)

(c)