US 12,256,976 B2
Electrosurgical system with electrically active outer surface
Tyler E. McLawhorn, Winston-Salem, NC (US)
Assigned to Cook Medical Technologies LLC, Bloomington, IN (US)
Filed by Cook Medical Technologies LLC, Bloomington, IN (US)
Filed on Oct. 4, 2021, as Appl. No. 17/493,433.
Application 17/493,433 is a division of application No. 14/209,422, filed on Mar. 13, 2014, abandoned.
Claims priority of provisional application 61/798,262, filed on Mar. 15, 2013.
Prior Publication US 2022/0022938 A1, Jan. 27, 2022
Int. Cl. A61B 18/14 (2006.01); A61B 1/00 (2006.01); A61B 1/018 (2006.01); A61B 18/00 (2006.01)
CPC A61B 18/14 (2013.01) [A61B 1/00087 (2013.01); A61B 1/00114 (2013.01); A61B 1/018 (2013.01); A61B 18/1492 (2013.01); A61B 2018/00482 (2013.01); A61B 2018/00494 (2013.01); A61B 2018/00553 (2013.01); A61B 2018/00982 (2013.01); A61B 2018/1425 (2013.01); A61B 2018/144 (2013.01); A61B 2018/1475 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A method comprising:
delivering a distal portion of a medical delivery device to a treatment site within a patient for performance of a sphincterotomy, wherein the medical delivery device comprises an outer surface and a return electrode that is at least one of disposed on or integrated with the outer surface;
contacting the return electrode of the medical delivery device to an inner wall of a duodenum of the patient when the distal portion is at the treatment site;
delivering an electrosurgical device through a working channel of the medical delivery device to the treatment site; and
cutting a papilla of the patient with an active member of the electrosurgical device while drawing electrical current through the active member of the electrosurgical device and the return electrode of the medical delivery device, and while the return electrode of the medical delivery device is contacting the inner wall of the duodenum.