The goal of this clinical trial is to learn about Application and translational research of 3D printed models in the surgical treatment of common bile duct stones under endoscopic retrograde cholangiopancreatography. The main question it aims to answer are:Compare the differences in stone removal time, surgical complications, and surgical success rate during ERCP (+EST) surgery between 30 patients who used 3D printing preoperative simulation and 30 patients who did not use it. Participating patients will be divided into two groups, one group of 30 patients will use 3D printed models for preoperative simulation planning and then undergo surgery, and the other group will undergo surgery directly without using 3D printed models.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
60
3D printed simulation models of the stomach, duodenum, common bile duct, and pancreatic duct structures using a combination of soft and hard materials
operation time
The operation time of the 3D printed model group was shorter than that of the control group
Time frame: intraoperatively
Surgery success rate
The surgery success rate of the 3D printed model group was higher than that of the control group
Time frame: intraoperatively
amount of bleeding
The amount of bleeding of the 3D printed model group was lower than that of the control group
Time frame: intraoperatively
complications
The complications of the 3D printed model group was lower than that of the control group
Time frame: Within 3 days to 1 month after surgery
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