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Within recent years, there have been devised many new duodenal buckets, differing from the original Einhorn bucket in that they are more round or more oval, lighter or heavier, or that the shape and number of fenestrations are altered. They all have as their ultimate object the more rapid entrance into the duodenum and the easier flow of bile.
In my experience, the original Einhorn duodenal tip has yet to be improved on, as it enters the duodenum as quickly as any other and affords a drainage of bile as ample as can be.
The one difficulty I have had with all the buckets was in determining, in the obstinate case, whether or not the bucket was in the duodenum. I have therefore devised a bucket in which can be placed a capsule containing barium sulphate, the outline of which can readily be seen through the spiral opening, on fluoroscopy
Manheim SD. A "FLUOROSCOPIC" DUODENAL BUCKET. JAMA. 1927;88(9):644. doi:10.1001/jama.1927.92680350028011