Pump system for use with dialysis and like apparatus
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United States of America Patent
Stats
-
Nov 12, 1985
Grant Date -
N/A
app pub date -
Feb 15, 1983
filing date -
Feb 16, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention is with respect to a dialysis pumping system, and more specially to a single needle dialysis apparatus with a dialyser having blood and dialysate circuits and which has blood inlets and outlets that are joined by intake and outlet lines with at least one blood connection. The intake line has a driving pump and a blood pump powered by driving fluid from said driving pump and pump valves placed upstream and downstream from the said blood pump. Furthermore the outlet line has a further shut off valve. The blood pump unit has a generally stiff housing with a pipe-like liner in it walling off the space in the housing into a first chamber for blood and a second driving fluid chamber that is joined up with the driving pump, that may be a bellows pump and is joined up with the housing by an air circuit with sensors or valve driving parts for controlling motion of air into and out of the housing.
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