When the head is subject to non-penetrating (blunt) impact. contusion-type injuries are commonly identified beneath the impact site (the coup) and. in some instances. at the opposite pole (the contre-coup). https://www.roneverhart.com/Medline-Cooley-Intracardiac-Needle-Holders-6-75-17-1-cm-Straight-Cooley-Intracardiac-Needle-Holder-with-Smooth-Tungst/