Seal for reagent flask usable by a blood analyzer
AssigneeDiagnostica Stago
InventorsAlain Rousseau, Jean-François Gelin
Life of this patent
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Abstract
The invention concerns a seal for closing the neck of a flask. The seal comprises a stopper with a central coaxial channel for passage of an injection and/or sampling needle, this channel being sealed by at least one ball with a diameter slightly greater than that of the channel. This seal is suitable for a reagent flask used by a blood analyzer.
Claims9
Seal for a reagent flask usable by a blood analyser said blood analyser comprising an injection and/or straight end sampling needle, said flask comprising a tubular body ended on one side by a bottom and on the other side by a neck able to be sealed by a stopper made of an elastic material, said stopper comprising a coaxial central channel used for the passage of an injection and/or sampling needle, said channel being sealed off by at least one ball having a diameter slightly larger than that of the channel, wherein said channel is sealed off by two balls respectively engaged at the level of their ends.
Dependencies are inferred from the claim text.