Gastric retention device.

摘要

A device for extended retention in the stomach, the device comprising a molding which comprises shape memory material (A) joined to or mixed with material erodible in vivo (B), said molding being of a size, shape and durability to remain in the stomach for a definite residence time. The device can be of a shape such as not to hinder passage of food in the stomach and is capable of being folded to an orally administrable form. It is used for drug delivery.