The proGAV 1.0 shunt valves are predecessors of the proGAV 2.0 Valves and are also marketed by the same company, Miethke.
Imaging
The proGAV 1.0 shunt system can be identified on radiographic imaging[^1]
EnlargeX-ray showing a proGAV 1 shunt valve together with a gravitational unit.EnlargeImages of three proGAV 1.0 shunt systems on shunt valve radiographs. Figure adapted from Rhomberg, T., Trivik-Barrientos, F., Hakim, A. et al. Applied deep learning in neurosurgery: identifying cerebrospinal fluid (CSF) shunt systems in hydrocephalus patients. Acta Neurochir 166, 69 (2024). https:\/\/doi.org\/10.1007\/s00701-024-05940-3
Pressure-level setting
The pressure level currently set on a proGAV 1.0 valve can be determined using an X-ray of the shunt valve.
EnlargeIllustration of the various proGAV 1 pressure settings. Figure adapted from the original instructions provided by the valve manufacturer.