METHODS AND DEVICES FOR SELECTIVE ENDOSCOPIC RETROGRADE CHOLANGIOPANCREATOGRAPHY

摘要

A catheter for inserting into a bodily structure. The catheter includes a primary lumen for passing a device. One or more flaps or circumferential anchors protrude from a front tip of the catheter. The flaps or circumferential anchors engage with an inter- mural mucosa of the bodily structure.