Swallow Study Pressure Topography Catheter from Mexico
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.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify 36-sensor spacing accuracy to 1cm intervals
• Calibrate impedance electrodes to 1kOhm accuracy
• Provide pH sensor drift specification (<0.2 pH units/24hr)