Hi, Pamela,
Perhaps Ameda stopped selling this piston pump because it only has one
flange size?  I remember giving this pump to moms 20-30 years ago.  I do
remember the rubber washer wearing out on these pumps and seeing some pretty
bad nipple/areolar damage, but in hindsight it was probably from poor flange
fit combined with breast edema and too vigorous pumping.  
 <http://www.pumps4mums.co.uk/ameda-two-hand-manual-breastpump.htm>
http://www.pumps4mums.co.uk/ameda-two-hand-manual-breastpump.htm

Linda Anderegg, BSN, RNC, IBCLC, RLC
currently unemployed in Chicago

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