Drain, Ventriculostomy
Entry Points
Kocher's Point
The entry site is 11 cm posterior to and 3 cm lateral to the nasion.
Keen's Point
The entry site is 3 cm above and 3 cm behind the pinna.[1][2]
Right VPS through right Keen's point in an old patient with a history of IPH, IVH, and communicating hydrocephalus.
Frazier's Point
The entry site is 6 cm above and 4 cm lateral to the inion.