Method and apparatus for sampling liquid phase components from a liquid-semisolid fluid

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United States of America Patent

PATENT NO 4577514
SERIAL NO

06598074

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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To sample liquid phase components of a biological fluid which has been subjected to centrifugation to separate its liquid and semisolid phase components and define a liquid-semisolid interface therebetween, a probe carrying a sensor at its end is extended into and through the liquid phase components until the sensor detects the interface, whereupon further extension of the probe into the fluid is halted. A sample of liquid phase components is then withdrawn through openings in the probe spaced from the interface, so that only liquid components are sampled. It is contemplated that a stopper close a vessel containing the biological fluid, and that the probe be extended through and movable within a needle which first pierces the stopper, so that the probe may be moved through the needle and into the vessel. It is also contemplated that the withdrawn liquid phase components be aseptically transferred to a receiving vessel, and that the probe be cleansed with a flushing solution between sampling operations.

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Patent Owner(s)

Patent OwnerAddress
VANDERBILT UNIVERSITY A CORP OF TNNASHVILLE TN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Benge, Herman Nashville, TN 2 133
Bradley, Charles A Brentwood, TN 3 134
Parl, Fritz F Nashville, TN 5 137
Seebaugh, William R Nashville, TN 1 59

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