You took the words out of my mouth, Cathy.
The upshot is, this is NOT a marketing ploy by the pump companies to make you spend $50 to $70USD retail for a new sterile pump kit. You really DO need to match name brand with name brand. Swapping kits results in either injury or poor pumping results.
On a side note, I had converter kits to attach a hand pump to an electric pump, turning it into a single breast pump. Interestingly, this name brand converter kit had a little "T" attachment designed to help attach this converter kit to the "other guy's" electric pump! This company no longer provides these little attachments any more. The kits I had were out of production when I got them, probably because of this little "T" connector. I just threw the connectors in the trash.
Phyllis

---- "Catherine Watson Genna wrote: 
> Linda Pohl (an IBCLC and professional engineer) researched this a few 
> years ago, and found dangerous suction pressures in hospital grade pumps 
> used with the incorrect brand of kit.
> 
> Each of the major manufacturers carefully calibrates the air space in 
> their kits to the amount of air their pump moves to allow safe and 
> effective suction pressures at the nipple. The kits are not 
> interchangeable, as you observed.
> 
> I hope you have the authority to correct this dangerous advice on the 
> part of the hospital's CLEs, and perhaps ensure that they did not learn 
> such a thing in their training course (and get correct information to 
> the instructors if they did).
> 
> Catherine Watson Genna, IBCLC  NYC
> 
 
--
Phyllis Adamson, IBCLC, RLC
Glendale, AZ.
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