1
Randel Dorian, Richard Wood Storrs: Plasma concentrate apparatus and method. Hanuman, William B Walker, June 14, 2005: US06905612 (164 worldwide citation)

A plasma concentrator for producing plasma concentrate from a plasma from which erythrocytes have been substantially removed. The device comprises a concentrating chamber having an inlet port and an concentrate outlet, the concentrating chamber containing hydrogel beads and at least one inert agitat ...


2
Randel Dorian, Scott R King, Richard Wood Storrs: Methods and apparatus for isolating platelets from blood. Hanuman, William B Walker, May 29, 2007: US07223346 (88 worldwide citation)

A platelet collection device comprising a centrifugal spin-separator container with a cavity having a longitudinal inner surface. A float in the cavity has a base, a platelet collection surface above the base, an outer surface. The float density is below the density of erythrocytes and above the den ...


3
Randel Dorian, Scott R King, Richard Wood Storrs: Methods and apparatus for isolating platelets from blood. Hanuman, Harness Dickey & Pierce, December 30, 2008: US07470371 (79 worldwide citation)

A platelet collection device comprising a centrifugal spin-separator container with a cavity having a longitudinal inner surface. A float in the cavity has a base, a platelet collection surface above the base, an outer surface. The float density is below the density of erythrocytes and above the den ...


4
Randel Dorian, Michael D Leach, Richard Wood Storrs: Plasma concentrator device. Hanuman, Biomet Biologics, Harness Dickey, June 30, 2009: US07553413 (57 worldwide citation)

A plasma concentrator of this invention having a concentrator chamber, concentrator gel beads, a filter, and an agitator. The agitator has agitator blades extending outwardly from the lower end. The agitator end is positioned in the concentrator chamber and supported for rotation about its central a ...


5
Dorian Randel, Storrs Richard Wood, King Scott: Method and apparatus for isolating platelets from blood. Hanuman, March 2, 2005: EP1509326-A2 (49 worldwide citation)

A platelet collection device comprising a centrifugal spin-separator container with a cavity having a longitudinal inner surface. A float in the cavity has a base, a platelet collection surface above the base, an outer surface. The float density is below the density of erythrocytes and above the den ...


6
Randel Dorian, Michael D Leach: Method and apparatus for preparing platelet rich plasma and concentrates thereof. Hanuman, Biomet Biologics, Harness Dickey, May 4, 2010: US07708152 (43 worldwide citation)

The PRP separator-concentrator of this invention is suitable for office use or emergency use for trauma victims. The PRP separator comprises a motorized centrifugal separation assembly, and a concentrator assembly. The centrifugal separator assembly comprises a centrifugal drum separator that includ ...


7
Michael D Leach, Randel Dorian, Jacy C Hoeppner: Buoy suspension fractionation system. Hanuman, Biomet Biologics, Harness Dickey, October 5, 2010: US07806276 (40 worldwide citation)

A separator that uses centrifugation to fractionate a suspension such as blood comprises a separation container and a buoy. The buoy is carried in the separation container and has a tuned density that is configured to reach an equilibrium position in a suspension. The guide surface is carried on the ...


8
Randel Dorian, Scott R King, Richard Wood Storrs: Methods and apparatus for isolating platelets from blood. Hanuman, Harness Dickey, November 23, 2010: US07837884 (32 worldwide citation)

A platelet collection device comprising a centrifugal spin-separator container with a cavity having a longitudinal inner surface. A float in the cavity has a base, a platelet collection surface above the base, an outer surface. The float density is below the density of erythrocytes and above the den ...


9
Leach Michael D, Dorian Randel, Hoeppner Jacy C: Buoy suspension fractionation system. Biomet Biologics, Hanuman, Leach Michael D, Dorian Randel, Hoeppner Jacy C, WARNER Richard W, October 23, 2008: WO/2008/127639 (30 worldwide citation)

A separator (10) that uses centrifugation to fractionate a suspension such as blood comprises a separation container (12) and a buoy (30). The buoy (30) is carried in the separation container (12) and has a tuned density that is configured to reach an equilibrium position in a suspension. The guide ...


10
Randel Dorian, Michael D Leach, Richard W Storrs: Plasma concentration. Hanuman, Biomet Biologics, Harness Dickey, March 8, 2011: US07901584 (28 worldwide citation)

A plasma concentrator having a concentrator chamber, concentrator gel beads, a filter, and an agitator. The agitator end is positioned in the concentrator chamber and supported for rotation about its central axis and for reciprocal movement along its central axis. A filter is selected to block effec ...