| 摘要 |
<p>An oral device (1) to prevent the passage of a food bolus (B) from the oral cavity or mouth (101) to the pharynx (102) of a user (100) comprises a main body (2) and releasable coupling means (6, 7) protruding from the main body (2) to couple the main body (2) to the teeth (105) of the user (100); the main body (2) protrudes, when in use, between the soft palate (106) and the tongue (103) of the user (100).</p> |
