1. Select the scalpel of appropriate specification and tear open the sealed package.
2. Push down the button on the housing, pull backward the housing, till the button bounces back and the blade is fully exposed, and then use the scalpel.
3. After use, push down the button on the housing, push forward the housing, till the button bounces back and the blade is fully shielded. Place the used scalpel into a medical waste collection box.



