Disposable Nasal Biliary Drainage Catheter Used for temporary endoscopic drainage of the biliary duct through the nasal passage by use of an indwelling catheter. 

· Flexibility and stiffness
- The drainage catheter provide the perfect combination of flexibility and stiffness.

·Surface
- The drainage catheter is designed with a smooth distal end to minimize damage to the biliary tract.

· Radiopacity
- The drainage catheter has good development which is convenient for operating under the screen.

· Shape diversity
- Different shapes which are adapt to a variety of clinical application.