Right after surgery, rinse the punch with clean water and soak it in a special cleaning liquid for about 10 minutes, then gently brush the bite area with a soft brush to remove any tissue. Put it in an autoclave machine at 250°F for 15-20 minutes to sterilize it this is the standard way to kill all germs safely. Always store it dry in a clean place, and check the tip regularly under a magnifier to make sure it's still sharp and working properly.