Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1983-04-28
1985-07-02
Reeves, Robert B.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209606, 209644, 209906, 209932, B07C 534, B07C 536
Patent
active
045262764
ABSTRACT:
An apparatus for sorting particles comprises a nozzle or the like for producing a stream of particles, such as cells, in a liquid flow. The particles are analyzed as they are flowing to detect different parameters thereof. A hollow inner tube and a concentrically arranged hollow outer tube are located downstream of the analyzing area. Gas bubbles are generated in the inner tube to prevent particles from flowing therein and to deflect particles into the annular space between the inner and outer tubes. Gas bubble generation is coordinated with the particle analysis to selectively deflect particles having the different parameters into the annular space, whereby the deflected particles are sorted for collection. A method of sorting particles, such as cells, substantially in accordance with the above-described apparatus is another aspect of the present invention.
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patent: 4252240 (1981-02-01), Satake
patent: 4284496 (1981-08-01), Newton
Fulwyler Mack J.
Shoor Bernard A.
Becton Dickinson and Company
Reeves Robert B.
Rodrick Richard J.
Wacyra Edward M.
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