| 摘要 |
An antireflux device is adapted to be surgically applied to the esophagus of a person. The device includes a pair of magnets symmetrically positioned with the opposite polarities of the magnets under the diaphragm of the person so as to compress the lower portion of the esophagus. This closes the lumen to prevent reflux of gastric material into the esophagus. The magnets may be covered with silicon or another biologically inert material.
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