| 摘要 |
A biological specimen collection and transfer system, comprises a biological sample container configured for storing a biological fluid sample, and a fluid level regulator configured to determine a fluid level in the biological sample container and to dispense a fluid into the container if the determined fluid level is less than a desired fluid level. A method of regulating a fluid level of a biological fluid sample in a container during a process of transferring biological matter in the fluid sample to a specimen slide, the method comprises monitoring a pressure of an interior chamber of a specimen filter, the chamber coupled to a vacuum source and having one end submerged in the fluid sample, determining a fluid level of the fluid sample in the container based on a detected change in pressure of the specimen filter chamber, and adding a liquid to the container if the determined fluid level is less than a desired fluid level.
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