如附图所示，在一个优选实施例中。
从属权利要求说明了本发明的优选实施例。
The dependent claims describe preferred embodiments of the invention.
在优选实施例中，胃是作为这种刺激目标的胃肠道内的器官。
In preferred embodiments, the stomach is the organ within the gastrointestinal tract which is targeted for such stimulation.
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