Single-needle artificial kidneys
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United States of America Patent
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Sep 10, 1991
Issued Date -
N/A
app pub date -
Nov 23, 1988
filing date -
Nov 23, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Artificial kidney of the single-needle type, incorporating an extracorporeal blood circuit provided with a haemodialyser (13) or haemofilter (31) positioned between two blood circulation pumps (12, 19). This circuit is also provided with a bubble trap (18) and a safety clamp (26) and means for perfusing quantities of liquid which are capable of being relatively large. The perfusing means comprise a reservoir (23) and a perfusion pump (24) the motion of which is under the control of the sequential motion of one of the two blood circulation pumps (12, 19) and also comprise a conduit connecting the reservoir (23) to the extracorporeal blood circuit by way of the perfusion pump (24).
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