3M Littmann Cardiology IV Stethoscope
Advanced single-sided chestpiece stethoscope optimized for cardiology with improved frequency detection. Falls under HTS 9018.90.4000 for stethoscopes used in medical diagnostics.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed for ophthalmologic use
Sight-testing instruments have separate classification
If orthopedic listening device for joint assessment
Specialized orthopedic appliances classify under 9021
Not sure which classification is right?
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Import Tips & Compliance
• Include sound frequency response data; register as Class I FDA device
• Pitfall: incorrect material declarations for soft-sealing eartips
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