| abstract |
A sphincterotome, wherein a portion of the drive wire is poly-p-xylylene, 2-chloro-p-xylylene, 2,4-dichloro-p-xylylene, poly (tetrafluoro-p-xylylene), poly ( A sphincter incisor coated with a material selected from (carboxyl-p-xylylene-co-p-xylylene), fluorinated parylene, parylene HT, and any combination thereof. The coating preferably provides an electrically insulating coating to a portion of the drive wire exposed outside the sphincter shaft so that the exposed non-electrically isolated portion of the drive wire is more distinct to the tissue to be cut. Can be led to. |