B - Operations – Transporting – 04 – B
Patent
B - Operations, Transporting
04
B
233/1
B04B 7/08 (2006.01) B04B 5/04 (2006.01)
Patent
CA 1206937
CENTRIFUGE ASSEMBLY Abstract of the Disclosure An improved centrifuge assembly comprising a channeled rotor assembly and a fluid container disposed in the channel, whereby the centrifugal separation effects in the fluid container are determined by the geometry of the channel in the rotor. The fluid con- tainer is preferably formed from semirigid plastic material and is considered a disposable item to be discarded after a single use. The rotor assembly preferably includes a removable filler piece or center piece formed from a single piece of material, such as rigid plastic, as by molding, dimensioned to form, with the wall of the centrifuge bowl, a circular channel having dimensions appropriate to receive the semirigid container, which is suitably bent and placed in the channel. Fluid connections are provided from each end of the container to an axially located multichannel rotating seal. The connections lie in a plurality of radial slots in the filler piece. Alternatively the entire assembly may be molded as a single entity, with a suitable channel and fluid line grooves being cast therein. Background of the Invention Previous centrifuges for separating the components of blood are known in which the centrifuge bowl is reusable, and is provided with relatively complex channeling or grooves, and fluid connections, making the device expensive and difficult to clean and ster- ilize for each use. - 1 -
300458
Kellogg Robert M.
Kruger Victor R.
Mulzet Alfred P.
Gambro Inc.
Kerr Alexander
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