Retrospective Cohort Study
Copyright ©The Author(s) 2020.
World J Gastroenterol. Feb 21, 2020; 26(7): 740-748
Published online Feb 21, 2020. doi: 10.3748/wjg.v26.i7.740
Figure 1
Figure 1 Biliary spontaneous dislodgement spiral stent and its clinical application in a patient who underwent mechanical lithotripsy for large stone removal. A: the 7-cm × 7-Fr biliary spontaneous dislodgement spiral stent with 12-mm spirals; B and C: the endoscopic and fluoroscopic view of the biliary spontaneous dislodgement spiral stent, respectively, after insertion into the common bile duct.
Figure 2
Figure 2 Study flowchart of patient selection. CBD: Common bile duct; PTCD: Percutaneous transhepatic cholangial drainage; BSDSS: Biliary spontaneous dislodgement spiral stent; ERCP: Endoscopic retrograde cholangiopancreatography.