Difference between Whittlestone Expresser and other breast pumps
Pump:
Generally speaking, traditional breast pumps extract milk though intermittent spikes of vacuum generally ranging from 0 to 160-220 mmHg. This suck and release pattern is preset to approximately one second intervals, and can rightly be described as a pure pumping action.
Expresser:
The Whittlestone Breast Expresser uses compression and a constant underlying vacuum to produce a low, sinusoidal delivery of vacuum to the breast for milk expression. This dynamic combination of vacuum and compression is termed pulsation. The Whittlestone Breast Expresser operates at a pulsation rate of 52 pulsations per minute, which has been found to produce optimum levels of comfort and performance.
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