Inclusion criteria | |
Aged 18–80 years | |
Individual with WON confirmed by CT and MRCP | |
The size of WON ≥ 6 cm and located adjacent to the gastric wall | |
Participants has symptoms related to the WON | |
Written informed consent obtained | |
Exclusion criteria | |
Aged < 18 years or > 80 years | |
Individual cannot accept the endoscopic procedure | |
The distance between the stomach and the wall of the WON ≥ 1 cm | |
Participant has blood coagulation dysfunction (platelet count < 50 × 109/L or INR > 1.5) | |
Allergic to nickel titanium | |
Suffering from severe lung or heart disease | |
Pregnant and lactating women and those who are about to become pregnant soon | |
Any other factors that are not suitable for inclusion or influence the individual’s participation in the study judged by researchers |