Uncuffed tracheostomy cannulas Ø 4.0 mm Curved cannulas that create an airway in seconds in emergency situations by inserting them into a tracheostomy stoma, which is a surgically created opening in the neck and trachea. The hollow tube, with or without cuff, is inserted directly into the trachea through a surgical incision, using a wire-guided progressive dilation technique. - made of medical-grade, non-toxic, transparent and anti-crush PVC to protect the delicate tissue of the mucous membranes - Smooth blunt tip of the shutter reduces trauma during insertion - Neck plate with molded size for easy identification - Standard connector - Radio-opaque line helps determine the exact position of the cannula Cannulas include: inflation line, valve, obturator, neck plate, connector, and cable ties. Sterile, single-patient. Class IIa. Without DEHP. Manufactured without natural rubber or latex.