BALLOON TO BE PLACED AND LEFT IN STOMACH

摘要

An intragastric balloon (1) that is left in an inflated state inside a stomach (S) includes: a balloon main body (2) that is capable of being inflated to a predetermined size; and at least one or more internal passages (3) that are formed in the balloon main body (2) so as to penetrate the balloon main body (2), and that allow contents of the stomach (S) to be passed.