Cleaning and liquid contact with solids – Processes – Combined
Patent
1982-05-03
1984-04-24
Lindsay, Jr., Robert L.
Cleaning and liquid contact with solids
Processes
Combined
134 2212, 134 26, 134 56R, 134 57R, 210 90, 210 962, 210140, 2103213, 210646, B08B 704, B08B 304
Patent
active
044445962
ABSTRACT:
A fully automated method and apparatus for cleaning and disinfecting blood dialyzers for reuse having multiple stations simultaneously capable of cleaning a plurality of dialyzers. The dialyzer, the station cleaning the dialyzer, and the patient are identified and the identifications are stored in memory. A predetermined sequence of cleaning procedures tailored to the type of dialyzer to be cleaned are provided. The cleaning procedures are automatically machined sequenced, and the sequence is selectively controlled in response to automatic test procedures measuring indicia of dialyzer reusability. The tests performed on the dialyzer include a blood presence test, a pressure leakage test, and an ultrafiltration rate test. If it is determined that the dialyzer is not reusable, it is either cleaned further to make it reusable or machine sequencing of subsequent cleaning procedures is inhibited.
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Gortz Norman
Huson Andrew S.
MacIntyre Robert M.
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