Intra-gastric balloon coated in parylene, a method of fabricating such a balloon and of using parylene to coat an intra-gastric balloon

摘要

An expandable intra-gastric balloon ( 1 ) for treating obesity. The balloon can be implanted in the stomach of a patient in order to reduce the volume of the stomach. The balloon ( 1 ) comprises at least one flexible bag ( 2 ) presenting an inside face ( 2 A) and an opposite, outside face ( 2 B). The inside and outside faces ( 2 A, 2 B) form the surface of the at least one flexible bag ( 2 ). At least a portion of the surface ( 2 A, 2 B) is covered by a coating ( 6, 6 ') comprising parylene.