Amy Nasopharyngeal Airway Guide

The Amy Nasopharyngeal Airway—also known as the Amy Nasopharyngeal Airway Tube—is widely used in emergency and tactical environments. It is standard equipment in military field medical kits, tactical emergency care training, and wilderness rescue teams. Its ease of insertion and dependable design make it ideal for maintaining airway patency when oral access is limited.

Material Types of Amy Nasopharyngeal Airways

PVC Nasopharyngeal Airway

Medical-grade PVC offers a practical combination of flexibility and strength. It is commonly used in large-volume procurement programs, EMS kits, and military distribution systems.

Silicone Nasopharyngeal Airway

Silicone NPAs provide maximum softness and biocompatibility. They minimize irritation and are frequently selected by hospitals, anesthesia departments, and advanced rescue units.

Functional Design Variations

Fixed-Flange Nasopharyngeal Airway (Classic Amy Design)

The traditional Amy-style NPA includes a fixed flange that prevents over-insertion. It is valued for its simplicity, reliability, and consistent performance in field conditions.

Silicone Adjustable Nasopharyngeal Airway

The PVC Adjustable Nasopharyngeal Airway includes a movable flange that allows depth adjustment. This design increases adaptability when treating different patient profiles and reduces the number of fixed sizes needed in compact kits.

Professional Sizing Guide for Nasopharyngeal Airway Tubes

Common Sizing Recommendations

Length Estimation Method

A useful field technique is measuring from the nostril to the earlobe or the angle of the mandible to approximate ideal NPA length.

Key Considerations During Sizing

• Select a size that ensures comfort and airflow.
• Use sufficient lubrication.
• If resistance occurs, switch nostrils rather than forcing placement.
• Position the bevel toward the nasal septum.

Application Scenarios and Precautions
 

Typical Application Scenarios

• Tactical emergency training
• Remote or wilderness rescue
• Prehospital airway support
• Situations where oral airway access is limited

Precautions and Suitable Use

• Avoid use in the presence of significant nasal trauma.
• Evaluate carefully in suspected mid-face injuries.
• Monitor for discomfort or bleeding during insertion.
• Use only by personnel with appropriate training.
  
  

Amy Nasopharyngeal Airway Solutions from BEVER Medical 

Silicone Adjustable Nasopharyngeal Airway

• Medical-grade silicone construction
• Soft and flexible for improved tolerance
• Adjustable flange for depth control
• Smooth beveled tip for easy insertion
• Available in a full range of French sizes 

Silicone Nasopharyngeal Airway

• Ultra-soft, medical-grade silicone
• Enhanced patient comfort
• EO-sterilized
• Optional pre-lubricated version

Pre-Lubricated Nasal Airway (PVC or Silicone)

• Ready-to-use format
• Efficient for EMS, military, and rescue kits
• Multiple sizes for various patient needs
   

BEVER Medical supports distributors, military procurement teams, emergency-response suppliers, and global medical device brands with consistent manufacturing quality and reliable product availability.