Strata-Adjustable Pressure Valve with Siphon Control Innovative CSF shunt technology, including a patented adjustable valve mechanism with overdrainage protection. The valve may be adjusted using simple hand tools, without the need for x-ray confirmation. mns-stratansc-image-th Strata NSC Adjustable Pressure Valve with No Siphon Control Innovative CSF shunt technology, including a patented adjustable valve mechanism. The valve may be adjusted using simple hand tools, without the need for x-ray confirmation. mns-stratansclp-imageth.jpg Strata NSC LP Adjustable Pressure Lumboperitoneal Shunts An adjustable CSF shunt system for the treatment of communicating hydrocephalus. Properly sized and accessorized, the system offers valve adjustability in a lumboperitoneal configuration. mns-ares-image-th.jpg Ares Antibiotic Impregnated Catheters Ares™ Antibiotic-Impregnated Catheters help reduce bacterial colonization and can be part of any Medtronic shunt system.