Covidien Shiley Manual De Usuario página 17

9. Insert the new inner cannula making sure that it is
properly secured in place.
10. If you use a twist-lock inner cannula, it is secure when
you feel it lock into place and the blue dots on the inner
and outer cannulae are lined up. If you are using a dis-
posable inner cannula, make sure that both sides of the
winged flange are snap-locked securely in place.
11. Finish fastening the ties as described on page 9.
12. Throw away the old tube.
Changing the Tube
15