Disposable Device For One Or More Introductions, Treatment And Sampling Of Biological Material From At Least One Of The Separation Phases Present Within The Device, Under Sterility Conditions and Constant Pressure
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United States of America Patent
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Issued Date -
Aug 21, 2008
app pub date -
Jul 7, 2005
filing date -
Aug 4, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A disposable device (1) for introduction, treatment and sampling of biological material from at last one of the separation phases under sterility and constant pressure conditions includes a sealed sterile test tube (2), having a first opening (4), or sampling opening, a second opening (7) or inlet opening, and a third opening (8), the first opening (4) providing the passage of a needle (5), coupling between the needle (5) and the first opening (4) being a sealing coupling by an elastic element (6) allowing translation in a substantially vertical direction and inclination of the needle (5). The second opening is sealed by a membrane (7) made of a material allowing the piercing by a syringe needle and closing back after the removal of the needle, the third opening (8) providing a sealing valve (8) balancing the pressure inside the test tube and environmental pressure.
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