- Outer cannula, double fenestrated
- Inner cannula, double fenestrated, with swivel speaking valve type B
- Inner cannula with 15 mm connector
- For attaching:
TRACOE humid assist (REF 640-CT, REF 641 and REF 643)
For tracheostomised patients with fully or partially intact larynx, for speaking.
Further Information see in the attached document "The Modular System" (see Downloads).