Pipetting needle cleaning method and device and sample analyzer
A technology for cleaning devices and pipetting needles, applied in cleaning methods and utensils, chemical instruments and methods, cleaning hollow objects, etc., can solve problems such as affecting test results, incomplete cleaning, etc., to avoid cross-contamination, cleaning thoroughly, and large Effect of cleaning range
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[0042] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0043] Reference figure 1 with figure 2 As shown, when performing fluid simulation for the cleaning process of the pipette needle, it was found that the waterfall cleaning has the problem of incomplete cleaning of the front end face A, such as figure 1 As shown, there are dead corners of the cleaning liquid in the part A of the front end face and the side wall part where the water flow meets. Reference figure 2 As shown, it can also be ...
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