Title:
METHOD FOR CLEANING FLOW PATH IN AUTOSAMPLER, AND DEVICE FOR CLEANING FLOW PATH IN AUTOSAMPLER
Document Type and Number:
WIPO Patent Application WO/2022/131153
Kind Code:
A1
Abstract:
Provided is a method for cleaning a flow path in an autosampler, the method making it possible both to suppress any reduction in analysis throughput and to suppress any increase in the amount of cleaning liquid consumed. In a flow path cleaning step S12 of the present invention, when a cleaning liquid is supplied by a cleaning liquid supply mechanism to a flow path switched by a flow path switching mechanism, from among a first flow path that includes a nozzle for suctioning a specimen and a sample loop for retaining the specimen suctioned through the nozzle, and a second flow path that includes a cleaning tank for cleaning at least an outer wall of the nozzle, the flow speed of the cleaning liquid being supplied between measurement of a first measurement item pertaining to the specimen and measurement of a second measurement item that is measured subsequently to the first measurement item is changed by a control device on the basis of first cleaning information indicating a cleaning pattern that corresponds to the first measurement item and second cleaning information indicating a cleaning pattern that corresponds to the second measurement item, from among cleaning information indicating cleaning patterns that correspond to measurement items pertaining to the specimen.
Inventors:
HARADA YUSHI (JP)
HASHIMOTO YUICHIRO (JP)
HASHIMOTO YUICHIRO (JP)
Application Number:
PCT/JP2021/045517
Publication Date:
June 23, 2022
Filing Date:
December 10, 2021
Export Citation:
Assignee:
HITACHI HIGH TECH CORP (JP)
International Classes:
G01N30/24; G01N1/00; G01N30/02; G01N30/18
Domestic Patent References:
| WO2020213061A1 | 2020-10-22 | |||
| WO2017154083A1 | 2017-09-14 | |||
| WO2013099660A1 | 2013-07-04 |
Foreign References:
| JP2014106213A | 2014-06-09 | |||
| JPH04169851A | 1992-06-17 | |||
| JP2012117945A | 2012-06-21 | |||
| JP2011179839A | 2011-09-15 | |||
| JP2011220928A | 2011-11-04 | |||
| CN105057294A | 2015-11-18 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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