The Medtronic Delta® valves is a siphon control device that resists siphoning of CSF from the brain’s ventricular system. The valve is designed to be closed at its resting state and to not allow CSF to flow through it down a pressure gradient due to the shunt’s outlet being below its inlets. Only when pressure builds proximal to the valve to a value in excess of the it’s opening presssure will the valve open to allow flow of CSF through the shunt.
Valve Design
Delta® Contour Valve. Regular and Small:
Delta® Neonatal Valve:
Delta Burr Hole Valve :
Delta® Chamber Valve:
Radiographic Images
 |  |  |  |
 Regular Valve |  Regular Valve |  Regular Valve |  Regular Valve |
 Small Valve |  Small Valve |  Small Valve |  Small Valve |
 Neonatal Valve |  Neonatal Valve |  Neonatal Valve |  Neonatal Valve |
Burr Hole Valve |  Burr Hole Valve |  Burr Hole Valve |  Burr Hole Valve |
 Chamber Valve |  Chamber Valve | Chamber Valve | Chamber Valve |
Valve Opening Pressures
Valve Dimensions
Shunt Configurations
Medtronic Delta® valve is a Registered Trademark of Medtronic PS Medical, Inc.
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