The Integra DP™ Valve has the original ball-in-cone and spring mechanism which is used for over 30 years in the treatment of hydrocephalus. This Integra DP Valve System is proven to provide various functions such as accurate pressure control, long term reliability, superior protein handling capacity and resistance to occlusion. This product is available in five color-coded pressure ranges. These ranges are offered in standard and pediatric versions and a wide variety of configuration options are available to accommodate surgeon preference.