Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Patent
1997-07-01
1999-12-14
Azpuru, Carlos A.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Implant or insert
635178, 635179, 635180, 635182, 264 4, 264 7, 264 8, A61F 202, A01N 102, C12N 1102, B39C 3910
Patent
active
060013877
ABSTRACT:
An encapsulating apparatus comprising a spinning cup adjustably rotatable about its central axis for forming droplets and projecting them radially outward, and one or more collection basins surrounding the bead forming spinning cup independently rotatable and positioned to collect the beads projected from the cup. The method for forming tissue microcapsules using the spin disk encapsulation apparatus wherein a supply mixture is introduced into a mixing chamber of the cup from a single, multiple or concentric needles. As the cup spins, the coated particles are propelled upward by the centrifugal force from the mixing chamber along the inner surface of the cup, projected radially outward, as beads, into the gelling solution in one of the selected basins.
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Azpuru Carlos A.
The Reguents of the University of California
Verny Hana
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