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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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)