초록 ▼

A device is provided for cleaning a liquid sample taking needle, mounted fixedly on the frame of a sample taking apparatus, which device includes a mobile mechanism formed of a rinsing case (14) sliding over the sample taking needle (3) between a top position which it occupies during sample taking a

A device is provided for cleaning a liquid sample taking needle, mounted fixedly on the frame of a sample taking apparatus, which device includes a mobile mechanism formed of a rinsing case (14) sliding over the sample taking needle (3) between a top position which it occupies during sample taking and a low position which it occupies during cleaning in which it covers the whole of the lower part of the needle, the end of this latter remaining withdrawn inside a cylindrical cleaning chamber (18) provided in the case through which the needle passes and at the lower part of which a depression is applied.

대표청구항 ▼

A device for cleaning a sample taking needle, particularly a blood sample, comprising a frame, a needle for taking samples mounted on the frame, a mobile means mounted on said frame for contacting with said needle, said mobile means having a cylindrical cleaning chamber opening outwards with the nee

A device for cleaning a sample taking needle, particularly a blood sample, comprising a frame, a needle for taking samples mounted on the frame, a mobile means mounted on said frame for contacting with said needle, said mobile means having a cylindrical cleaning chamber opening outwards with the needle received in the cleaning chamber, said mobile means being slidable over the needle between a high position at which the lower part of the needle projects out of the mobile means and is accessible for taking a liquid sample and a low position at which the mobile means covers the whole of the lower part of the needle, with the end of the needle lying withdrawn inside the cylindrical chamber, and fluid cleaning means for applying a vacuum at the lower part of said chamber for sucking a rinsing fluid injected through the needle for providing inner rinsing in a counterflow with respect to the liquid sample taking direction.