摘要 |
A diagnostic device for a liquid sample comprising, a receptacle having a cavity containing a culture medium, and means for establishing communication with the sample. The device has pump means for withdrawing and expelling liquid, and valve means for separately establishing communication of the establishing means and the receptacle with the pump means, in order that a liquid sample may be withdrawn by the pump means through the establishing and valve means and expelled by the pump means through the valve means into the receptacle for inoculation of the culture medium. |