Article 555 — Grave Wilful Injury.

Whoever intentionally: a) wounds a person so as to endanger his life or to permanently jeopardize his physical or mental health; or b) maims his body or one of his essential limbs or organs, or disables them, or gravely and conspicuously disfigures him; or c) in any other way inflicts upon another an injury or disease of a serious nature, is punishable, according to the circumstances of the case and the gravity of the injury, with rigorous imprisonment not exceeding fifteen years, or with simple imprisonment for not less than one year.