CPC A61F 5/003 (2013.01) [A61B 5/4851 (2013.01); A61B 5/6871 (2013.01); A61F 5/0036 (2013.01); A61F 5/0089 (2013.01); A61M 31/005 (2013.01); A61B 5/1032 (2013.01); A61B 5/207 (2013.01); A61M 2210/1053 (2013.01)] | 20 Claims |
1. An intragastric volume-occupying device, comprising:
an intragastric balloon having a wall and a lumen; and
a paste or solution of methylene blue dotted or printed onto at least a portion of an interior of the wall of the instragastric balloon, wherein the methylene blue is configured to indicate a failure of the intragastric volume-occupying device by being reduced to leukomethylene blue upon exposure to gastric fluids, so as to yield a discolored urine as an indicator of failure of the intragastric volume-occupying device.
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