Medical devices, namely, obstructing devices which intermittently obstruct a gastric opening or gastrointestinal lumen and slow gastric emptying to induce satiety; medical devices for obesity, obesity related diseases, diabetes, diabetes related diseases and/or for modulating the regulation of hormones, peptides, or proteins, namely, intermittently obstructing devices for the delivery of one or more therapies within the stomach or gastrointestinal tract; medical devices, namely, devices deplo...