A bariatric device for use in inducing weight loss, comprising a cardiac element 12 and a fixation element 31 wherein the fixation element 31 attaches the cardiac element 12 to the upper stomach to allow the cardiac element 12 to apply at least intermittent pressure to the upper stomach which produces a satiety signal to the user, giving the recipient a feeling of fullness and reducing his or her hunger feelings. The device may also contain an esophageal element 36 which is connected to the cardiac element 12 by a connecting element 25. The device may also contain a sensor to sense a parameter associated with the patient to monitor performance and to collect and store parameter data. In any of the embodiments, the bariatric device may be made from multiple sizes or adjustable, either manually, automatically or remotely, to optimally size and/or position the device to produce the desired satiety signals and weight loss.