Kocher's point is a common entry point for an intraventricular catheter

Catheter

In medicine, a catheter is a tube that can be inserted into a body cavity, duct, or vessel. Catheters thereby allow drainage, administration of fluids or gases, or access by surgical instruments. The process of inserting a catheter is catheterization...

 to drain cerebral spinal fluid from the cerebral ventricles. It is located 2.5 centimeters from the midline (at approximately the mid-pupillary line) approximately 11 cm posterior to the nasion

Nasion

The nasion is the intersection of the frontal and two nasal bones of the human skull. Its manifestation on the visible surface of the face is a distinctly depressed area directly between the eyes, just superior to the bridge of the nose....

. It is important to be at least 1 cm anterior to the coronal suture to avoid the motor strip.