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US 8,574,372 B2Granted
Nozzle cleaning method, nozzle cleaning device, and automatic analyzer
AssigneeBeckman Coulter, Inc.
InventorsAkihisa Kuroda, Mitsuhisa Kobayashi, Yoshihiro Kase, Tamotsu Okawa
Life of this patent
Estimating the term…
Abstract
A nozzle cleaning method includes cleaning an outer wall of a dispenser nozzle after liquid is sucked and before the liquid is discharged and cleaning at least an inner wall of the dispenser nozzle after the liquid is discharged.
Claims4
A nozzle cleaning method comprising:
- a first cleaning step including cleaning an outer wall of a dispenser nozzle after liquid is sucked into the nozzle and before the liquid is discharged from the nozzle;
- and
- a second cleaning step including cleaning at least an inner wall of the dispenser nozzle after the liquid is discharged,
- wherein the first cleaning step includes inserting the dispenser nozzle into a retention unit in which cleaning fluid is retained, and flowing out cleaning fluid from an opening of the retention unit which retains the cleaning fluid to outside of a cleaning vessel in which the nozzle cleaning is conducted.
1 more element
Dependencies are inferred from the claim text.