Air/Water Nozzle in Flexible Medical Endoscopes
Air/Water Nozzle is located at the distal end of a flexible medical endoscope and serves as the terminal component of the water and air channel.
Functions:
It directs water and air (or CO₂) toward the objective lens area to clean the lens and maintain clear visualization, and delivers gas into the lumen to improve viewing conditions. The nozzle orifice size and spray angle directly affect spray direction, flow stability, and cleaning efficiency.
Materials:
The nozzle is typically made of materials with good biocompatibility and resistance to disinfection, including medical-grade stainless steel (e.g., SUS304 / SUS316) and medical-grade engineering plastics such as PEEK or PPS.
The water & air nozzle is a critical component for distal air/water delivery and visual clarity, and its design and material selection have a significant impact on image quality and device reliability.
