초록

A miniaturized proportioning system for continuously mixing and preparing dialysate in accurate proportions, as may be prescribed by a physician, for simultaneous clinical treatment of a plurality of patients, e.g., ten, or in another form for treating a single patient almost anywhere.

대표청구항 ▼

In a hemodialysis proportioning system, a dialysate tank, a source of dialysate concentrate, a source of water, a water supply valve opening and closing said water source to said tank, a dialysate concentrate supply valve opening and closing said dialysate concentrate source to said tank, a metering

In a hemodialysis proportioning system, a dialysate tank, a source of dialysate concentrate, a source of water, a water supply valve opening and closing said water source to said tank, a dialysate concentrate supply valve opening and closing said dialysate concentrate source to said tank, a metering pump means connected in series with said dialysate source and said dialysate supply valve for feeding a measured amount of dialysate concentrate to said tank, a high level sensing means for sensing a predetermined high liquid level within said tank and a low level sensing means for sensing a predetermined low liquid level within said tank, a dialysate outlet valve opening and closing the dialysate from said tank to the patient, separate means responsive to said low level sensing means when the predetermined low liquid level is sensed for opening said water supply valve and said dialysate concentrate supply valve, for closing said dialysate outlet valve and for cycling said dialysate metering pump to meter a predetermined volume of dialysate concentrate to said tank, said separate means being responsive to said high level sensing means when said high liquid level is reached to open said dialysate outlet valve and to close said water and dialysate concentrate supply valves.