Swallow Study Pressure Topography Catheter
36-channel intraluminal impedance-pH catheter for comprehensive pharyngeal/esophageal function testing. Falls under HTS 9018.19.40.00 as apparatus for functional exploratory examination combining motility and reflux monitoring. High-density sensor array design.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pH monitoring without pressure sensor capability
Dedicated pH diagnostic apparatus classified separately.
If optical coherence tomography integration
Optical measuring instruments take precedence per Chapter notes.
If multifunction sensor for non-specific physiological use
General parts suitable for multiple apparatus types.
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Import Tips & Compliance
• Verify 36-sensor spacing accuracy to 1cm intervals
• Calibrate impedance electrodes to 1kOhm accuracy
• Provide pH sensor drift specification (<0.2 pH units/24hr)
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