Chemistry: molecular biology and microbiology – Differentiated tissue or organ other than blood – per se – or... – Including perfusion; composition therefor
Reexamination Certificate
2011-03-01
2011-03-01
Beisner, William H (Department: 1775)
Chemistry: molecular biology and microbiology
Differentiated tissue or organ other than blood, per se, or...
Including perfusion; composition therefor
C435S284100, C417S019000
Reexamination Certificate
active
07897327
ABSTRACT:
A method for controlling a pump for delivery of liquid to an organ over a series of fixed-length time intervals f, each interval f comprising a time t1and a time t2wherein t1+t2equals the length of interval f. The method comprises allowing output pressure of the pump to decrease over time t1, increasing output pressure of the pump over time t2, comparing achieved pump output pressure to a predetermined pressure at about the end of interval f, and at least one of (i) adjusting t1and t2if necessary so the predetermined pressure is approximated by the output pressure at the end of the next interval f, and (ii) adjusting a rate of change of the output pressure during at least one of t1and t2if necessary so the predetermined pressure is approximated by the output pressure at the end of the next interval f.
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Brassil John
Foley John
Millis Roger
Schein Doug
Beisner William H
Hobbs Michael
Oliff & Berridg,e PLC
Organ Recovery Systems, Inc.
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