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High Resolution Impedance Manometry Catheters

High Resolution Impedance Manometry can be performed with solid state or water perfused catheters.

Water perfused catheters can be used because distilled water from the perfusion system has a very high impedance value and does not conduct electricity.

The small amount of distilled water will not interfere with the bolus swallow which will be detected with the impedance rings.
Water perfused Impedance catheter
Water perfused
HRIM catheter