Printed circuit assemblies
Instruments and appliances used in medical, surgical, dental or veterinary sciences, including scintigraphic apparatus, other electro-medical apparatus and sight-testing instruments; parts and accessories thereof: > Electro-diagnostic apparatus (including apparatus for functional exploratory examination or for checking physiological parameters); parts and accessories thereof: > Electrocardiographs, and parts and accessories thereof: > Printed circuit assemblies
Duty Rate (from China)
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
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 9018.11.60.00
ECG Signal Processing Printed Circuit Board
This printed circuit assembly processes analog ECG signals from electrodes into digital data for analysis in electrocardiograph machines. It falls under HTS 9018.11.60.00 as a dedicated component for electro-diagnostic electrocardiographs used in medical sciences. The board includes amplifiers, ADCs, and microcontrollers optimized for cardiac monitoring.
Electrocardiograph Display Driver Circuit Assembly
Printed circuit board assembly that drives LCD/OLED displays for real-time ECG waveform visualization in diagnostic monitors. Classified under HTS 9018.11.60.00 for its principal use as an accessory in electrocardiographs for functional cardiac examination. Features include waveform rendering chips and high-refresh-rate drivers tailored for medical-grade displays.
ECG Patient Isolation Amplifier PCA
This safety-critical printed circuit assembly provides galvanic isolation between patient electrodes and ECG processing electronics to prevent electrical shock. It qualifies for HTS 9018.11.60.00 as an essential accessory for electrocardiographs ensuring compliance with medical safety standards like IEC 60601. Includes optocouplers, transformers, and high-voltage barriers.
Holter Monitor Data Acquisition PCA
Compact printed circuit assembly for 24-48 hour ambulatory ECG monitoring devices, capturing multi-lead cardiac signals with low-power design. Falls under HTS 9018.11.60.00 as a part for electro-diagnostic electrocardiographs in portable form. Integrates ADCs, filters, and flash storage controllers.
Stress Test ECG Control Board Assembly
Printed circuit assembly managing treadmill synchronization, heart rate alarms, and protocol execution in exercise stress electrocardiographs. Classified in HTS 9018.11.60.00 for controlling physiological parameter checking during cardiac stress testing. Features RS-232 interfaces and real-time DSP processors.
12-Lead ECG Front-End Analog PCA
High-fidelity printed circuit assembly handling 12-lead electrode inputs with right-leg drive and pacemaker pulse detection for diagnostic ECGs. Under HTS 9018.11.60.00 as core electro-diagnostic component for comprehensive cardiac analysis. Uses precision instrumentation amplifiers and lead-off detection.
Defibrillator-Compatible ECG Interface Board
Printed circuit assembly designed for ECG monitoring during defibrillation, featuring protected inputs surviving high-energy shocks. HTS 9018.11.60.00 classification for electrocardiograph accessories in emergency cardiac care. Includes ESD protection and defibrillation recovery circuits.
Wireless ECG Transmitter Circuit Assembly
Bluetooth-enabled printed circuit board transmitting real-time ECG data from wearable monitors to base stations. Falls under HTS 9018.11.60.00 as accessory for electro-diagnostic electrocardiographs supporting functional parameter checking. Complies with medical telemetry standards.
ECG Filter and Artifact Rejection PCA
Digital signal processing printed circuit assembly removing baseline wander, muscle noise, and 50/60Hz interference from ECG signals. HTS 9018.11.60.00 for enhancing accuracy in electrocardiograph physiological parameter checking. Employs FIR/IIR filters and adaptive algorithms.
Portable ECG Battery Management PCA
Power management printed circuit assembly for battery-powered handheld electrocardiographs, optimizing runtime and charge safety. Classified under HTS 9018.11.60.00 as accessory principally used with portable ECG diagnostic devices. Includes fuel gauging and thermal protection.