The tubing on the Medela products is low where it connects on the flange and 
it is more likely to have tiny droplets go down the tubing. Ameda has the 
diaphragm that stops anything wet from going up their tubing. When Medela 
first changed their tubing hole to lower rather than higher like it was 
before, the rep told me that it helps to turn the valve with the white 
circle in line with the hole of the flange. Meaning both in line facing the 
same way, towards moms breast. Supposedly this keeps the milk from tending 
to flow down the tubing. Don't know if that really works. The other thing I 
have heard is that the diaphragms on the Symphony motor itself (where the 
tubing connects on the motor) tend to wear unevenly and moms will complain 
that one side doesn't work as well. The last I heard, Medela was wanting 
pump dealers to purchase the new diaphragm caps for the motor part (not a 
free replacement). While moms tend to like the Symphony pump, it does seem 
to be a bit more "complicated" to operate than the older pumps. Also, in the 
recent Symphony/Classic pump trials, at the end of the study 3/4 of the 
women were using the larger flanges (pumping for premies). And about half 
started out using the larger flanges.

Kathy Eng, BSW, IBCLC 

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