| 摘 要： | Peritoneal dialysis is widely used in clinical practices.The flow controlled sys-tem we have developed is completely under computer control.In order to be as simpleas possible,we use only one valve to control the three stages of peritoneal dialysis,that is the infusion,dwell,and drainage of dialysate.In clinical application the wholetime during which the pipeline is shut is about 8-10 hours for every treatment.In or-der to avoid the phenomenon that the pipeline can't open after it was closed for too
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