Journal of Neurogastroenterology and Motility : eISSN 2093-0887 / pISSN 2093-0879

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Fig. 1. Novel pH sensor catheter equipped with 8 vertically arrayed pH sensors (red arrows) used to assess postprandial gastric acid pocket. The sensors are arranged at intervals of 1 cm on the vertical axis and pH is measured within a width of 7 cm. The pH data from the 8 channels can be simultaneously recorded by connecting to 4 portable digital recorders.
J Neurogastroenterol Motil 2021;27:370~376
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