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| | Oral cavity spreading apparatus - Patent 6500002 |
 | | An oral cavity spreading apparatus according to claim 5, wherein at least one of the surfaces of the end portions of said mouth corner hooks are adhesive surfaces. |
 | | The present invention relates to an oral cavity spreading apparatus adapted to be used in, for example, medical examination, medical care, photographing, etc. for the interior of the oral cavity or the pharyngeal region, or oral muscle function training, or in inserting a cannula or gastrocamera into the trachea. |
 | | The oral cavity spreading apparatus 1 comprises a pair of mouth corner hooks 2 and 3, left and right, which are arcuate as viewed frontally, and a substantially U-shaped spring arm portion 4 that connects the respective lower parts of the hooks 2 and 3. |
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