Method for cleaning /disinfecting /sterilizing the water...

Details Method for cleaning /disinfecting /sterilizing the water... Method for cleaning /disinfecting /sterilizing the water...

2007-05-01

2007-05-01

McKane, E. Leigh (Department: 1744)

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using disinfecting or sterilizing substance

C422S003000, C134S022120

Reexamination Certificate

active

10374113

ABSTRACT:
A method for cleaning/disinfecting/sterilizing the water circuits (1) of dental units (100) comprises at least the following steps: introducing a cleaning/disinfecting/sterilizing fluid into the water circuit (1); holding the cleaning/disinfecting/sterilizing fluid in the water circuit (1) for a predetermined length of time; draining the cleaning/disinfecting/sterilizing fluid out of the circuit (1) through endpieces (3a) of supply branches (3); the method further comprising a step of programming/selecting the contact time periods (T) of the steps of introducing and holding the fluid in the water circuit (1), this step preceding the step of introducing the fluid and being effected by selecting from a plurality of contact time periods (T1, T2, T3. . . Tn) each of which consists at least of a fraction of a time period (Ta) of the step of introducing fluid in the water circuit (1) added to a time period (Tb) of the holding step, according to a desired parameter-level (P1, P2, P3. . . Pn) of cleaning/disinfection/sterilization and/or of predetermined or predeterminable events on the dental unit (100).

REFERENCES:
patent: 4545956 (1985-10-01), Ciszewski et al.
patent: 5837204 (1998-11-01), Prevost et al.
patent: 6019117 (2000-02-01), Detsch et al.
patent: 6250920 (2001-06-01), Overmyer
patent: 1029512 (2000-08-01), None
patent: 1 161 959 (2001-12-01), None

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