CHILDERS, ROBERT W.,KELLY, THOMAS D.,ROGER, RODOLFO
申请号：
CA2703463
公开号：
CA2703463C
申请日:
2008.10.24
申请国别(地区):
CA
年份:
2016
代理人:
摘要：
A dialysis machine includes a dialysis instrument having a pump actuator andfirst and second valve actuators,and a disposable cassette operable with the dialysis instrument, thedisposable cassette including a pump portion operable withthe pump actuator, first and second valve chambers operable with the first andsecond valve actuators, the first and second valvechambers communicating fluidly with each other, at least the first valvechamber communicating fluidly with a compliance chamber,the compliance chamber negating a first backpressure due to a pneumaticclosing pressure used to close the first valve chamber to helpto ensure the pneumatic pressure applied to the first valve chamber will closethe first valve chamber against a second backpressurefrom an existing closure of the second valve chamber.
