Vols. Videos

Ventricular Shunt Reference

Last Updated: August 27, 2019

The layout of this chapter is broken down by the manufacturing company of the shunt listed in alphabetical order. Images of each shunt valve on standard radiography are provided. Images demonstrating the various shunt settings are also available for reference.

Aesculap

proGAV Valve

The valve settings for this unit numerically correspond to the associated opening pressure.

proGAV 2.0 Valve

The valve settings for this unit numerically correspond to the associated opening pressure.

proSA Gravitational Unit

The valve settings for this unit numerically correspond to the associated opening pressure when not combined with a differential pressure unit in the shunt system.

Codman

Certas Plus Valve

Valve Settings and Correspondant Opening Pressure
Valve Setting Opening Pressure Setting (cm H2O)
1 2.0-2.5
2 4.4-5.5
3 7.5-8.0
4 11-12
5 14-14.5
6 17-18
7 21-22.5
8 >40

Hakim Programmable Valve

The valve settings for this unit numerically correspond to the associated opening pressure.

Medtronic

PS Medical CSF-Flow Control Valve

Valve Settings and Correspondant Opening Pressure
Valve Setting Opening Pressure Setting (cm H2O)
Low-Low Pressure 1
Low Pressure 3
Medium Pressure 8.5
High Pressure 14.5

Delta Valve

Valve Settings and Correspondant Opening Pressure
Valve Setting Opening Pressure (cm H2O)
Lying Standing
0.5 1.5 3.0
1.0 3.5 5.0
1.5 7.0 8.5
2.0 10.5 12.0

Strata II Valve

Valve Settings and Correspondant Opening Pressure
Valve Setting Opening Pressure (cm H2O)
Lying Standing
0.5 1.5 3.0
1.0 3.5 5.0
1.5 7.0 8.5
2.0 10.5 12.0
2.5 13.5 14.7

Strata NSC Valve

Valve Setting and Correspondant Opening Pressure
Valve Setting Opening Pressure (cm H2O)
0.5 1.5
1.0 3.5
1.5 9.0
2.0 14.5
2.5 20.0

Strata MR Valve

Valve Setting and Correspondant Opening Pressure
Valve Setting Opening Pressure (cm H2O)
0.5 1.5
1.0 3.5
1.5 9.0
2.0 14.5

Sophysa

Polaris Valve

Pressure Ranges for 4 Polaris Models
Models SPV-140 SPV SPV-300 SPV-400

Pressure

Setting

Dots

(mm H2O)

Position 110305080
Position 24070100150
Position 380110150230
Position 4110150220330
Position 5140200300400

For additional examples of the appearance of a variety of shunt valves on imaging, please see this reference.

Contributor: Benjamin K. Hendricks, MD

DOI: https://doi.org/10.18791/nsatlas.v2.20

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