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Left panel. Portable manometry device. The device comprises three components: a catheter with (A) rectal and (B) 4 radial anal balloons (arrows, 20 mm long), which is connected to (C) a manometer, that communicates via wireless with (D) a computer. The acquisition module display provides instructions that guide users throughout the study. Right panel. Comparison of anal resting (upper panel) and squeeze pressures (lower panel) measured with HRM and portable manometry.
