| 摘要 |
A tongue depressor for illuminating an oral cavity, the tongue depressor including a handle which includes a light source and a switch for connecting a power supply to the light source. The tongue depressor also includes a blade for depressing the tongue, the blade being removably coupled to the handle, and wherein coupling the blade to the handle actuates the switch so that light emitted from the light source is transmitted by the blade into the oral cavity. |
