At this point in the surgery, according to the original surgical plan, the position of the interventricular foramen was determined and the choroid plexus was seen. Just put the head end of the shunt tube in the square of the interventricular hole to avoid the choroid plexus, and the first small goal of the surgery is achieved.
The problem is that since ventriculoscopy is used, well-intentioned doctors will take the patient's side of the brain