Blood-drawing device, in particular for infants and small...

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/15 (2006.01)

Patent

CA 2564893

The invention relates to a blood taking device (1), in particular, for new- born babies and small children or small animals, comprising a blood taking vessel (2), provided on the front end thereof with a cannula (5) with a sharpened tip (4), whereby a porous, gas-permeable limiting element (8) which automatically stops the flow of taken blood, is arranged by pressing in the blood taking vessel (2) in a defined position. The rear end of the blood taking vessel (2) is sealed by a plug (11) which may be temporarily opened for taking blood (11), which dispenses the taken blood by means of a stroke running in a sealed manner in the blood taking vessel (2), which empties under pressure at least a part amount of the blood retained before the limiting element (8).

L'invention concerne un dispositif de prélèvement de sang (1), en particulier pour nouveau-nés et petits enfants ou petits animaux. Ce dispositif comprend un récipient de prélèvement de sang (2), qui est pourvu, à son extrémité avant, d'une canule (5) dont la pointe (4) est effilée. Un élément de limitation (8) poreux, arrêtant automatiquement le flux de sang prélevé, perméable à l'air, est enfoncé dans une position définie dans ledit récipient de prélèvement de sang (2). L'extrémité arrière du récipient de prélèvement de sang (2) est fermée par un bouchon (11) qui peut être temporairement ouvert pour le prélèvement du sang et qui, pour délivrer le sang prélevé dans un récipient à échantillon, vide par surpression, en effectuant de façon étanche une course guidée dans le récipient de prélèvement de sang (2), au moins une partie du sang contenu devant l'élément de limitation (8).

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