An exemplary embodiment of the present invention is directed to a mechanical device that is intended to be used as an adjunct or alternative to diet, exercise or medication to help individual lose weight. The mechanical device may be an intragastric device that is self expansible, reusable, removable coil delivered endoscopically and deployed internally in the human stomach. When deployed in the human stomach, the intragastric device is configured to cause a state of constant satiety, thereby helping patients who have a moderate obesity problem lose weight. Another exemplary embodiment of the invention is intended for use in delivering pharmaceutical agents in a continuous, steady state, and reliable fashion over an extended period of time using the stomach as the natural reservoir.