The size of a Grain of Salt

Pashinyan really, really, really, hurt a policeman, per report from the court trial today. While there were, admittedly, varied reports of the size of the WOUND the policeman-victim sustained, which range from 0.2-0.3 mm to 2-3 mm, the fact is, folks, a wound is a wound. Really. What if that small wound had gotten infected, or bled?
Is that possible with such a sized wound? Let's take a look...
Below is a standard ruler- I have marked and highlighted (though it is unfortunately minimally visible in the pix) the MAXIMUM of the reported lengths of the wound - you decide...