| 摘要 |
A therapeutic device comprising an enclosed member and a cover. The enclosed member has a plurality of kernels of seed corn therein. The cover encloses the enclosed member. The cover has a slit for the insertion and removal of the enclosed member. The kernels of seed corn are capable of being exothermic when heated or endothermic when cooled. The enclosed member can be removed from the cover and the cover can be washed to clean the cover.
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