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- W4297962011 abstract "Abstract BACKGROUND: Endoscope can removes the button battery embedded in the esophagus，recommend emergency for symptomatic and asymptomatic children (< 2 hours) , For intragastric button batteries(BB), food debris may make positioning difficult. The smooth disc-shaped button battery allows foreign body forceps to grasp the battery Easy to slip off.Reasons for the delay include limited access to endoscopists, referral to tertiary care institutions, or delayed anesthesia due to gastric tamponade may all cause complications,In view of the extremely short effective treatment time window of the button battery in the upper gastrointestinal tract , this study designed a simple, fast and effective magnetic retrieval system for the button battery of the upper digestive tract. Method: A set of magnetic retrieval system(MRS) for removing the upper digestive tract button battery was designed, including the magnetic retrieval device and the external guide magnet. We verified its feasibility by finite element analysis (FEA) simulation and removed button batteries with MRS in Beagle model. Result: The button battery in the esophagus were all retrieved, No operation-related complications occurred. the retrieval time in the magnet group and endoscopic group was 92.91±82.47 s and 327.64±270.63 s respectively,P=0.012. 4 shifts happened in the endoscopic group during operation, 3 button batteries slipped off the forceps in the endoscopic group,resistance when retrieved was 2.1±1.02 N. The button battery in the stomach was all retrieved , the median time for magnetic aggregation using a guide magnet is 87s (70-135s), the median retrieved time was 21s (19-35s), and the resistance during the retrieved was 1.98N (1.67-2.4N). Conclusion: we designed a novel magnetic retrieval system in this study. The MRS has a short magnetic retrieval time, is safe,cheapness and easy to operate, We suggest that the MRS could be used for the retrieval of BB during children ingestion button batteries." @default.
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- W4297962011 date "2022-09-29" @default.
- W4297962011 modified "2023-10-06" @default.
- W4297962011 title "A novel magnetic retrieval system for button battery in upper gastrointestinal" @default.
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- W4297962011 doi "https://doi.org/10.21203/rs.3.rs-2077846/v1" @default.
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