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. 2013 Apr;20(2):52–58. doi: 10.5214/ans.0972.7531.200205

Fig. 1:

Fig. 1:

Infusion neurocatheter and agarose gel infusion apparatus. 1A) External geometry of the MRI interventions SmartFlow® neurocatheter. 1B) The Alaris® System syringe pump was utilized to infuse indicator dye (bromophenol blue) into an agarose gel model of the brain via the MRI Interventions SmartFrame® and SmartFlow® neurocatheter system. Note the roughly 10 mm spherical infusion cloud on the left. This infusion was created without the Alaris® System pressure monitoring system in line with the infusion catheter. 1C) Detail of motion of pressure sensing plate (★) in response to pressure sensing disc (*) membrane expansion.