Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1995-07-06
1998-08-18
Stinson, Frankie L.
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134 2218, 134166C, 134169C, 134 57R, 277646, B08B 902
Patent
active
057954038
ABSTRACT:
For cleaning endoscopes which have at least two channels with one inlet and one outlet that each open into a chamber of the endoscope, wherein the inlets are connectable to a source of cleaning fluid, the invention provides for an insertion element insertable into the chamber of the endoscope head, said insertion element features controllable seals that in the activated state rest against the wall of the chamber and thus form mutually separated annular spaces that communicate with each channel and connect one associated inlet in the sense of the flow with an associated outlet, whereas in the deactivated state they feature a distance between the insertion element and the wall. This ensures that each channel is individually cleaned, and that the cleaning can also be monitored. In order to clean the surface of the chamber covered by the activated seal, the seal is deactivated so that this location can then also be rinsed.
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