US 12,453,967 B2
Closed system centrifuge tube for performing sample transfer
Christopher Michael Puleo, Niskayuna, NY (US); Ralf Lenigk, Schnectady, NY (US); Tejas Suresh Khire, Niskayuna, NY (US); Tyler Hammond, Amsterdam, NY (US); Erik Leeming Kvam, Niskayuna, NY (US); and Allison Caron, Burnt Hills, NY (US)
Assigned to GE PRECISION HEALTHCARE LLC, Waukesha, WI (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Jan. 11, 2022, as Appl. No. 17/573,311.
Prior Publication US 2023/0219080 A1, Jul. 13, 2023
Int. Cl. B01L 3/00 (2006.01)
CPC B01L 3/5021 (2013.01) [B01L 3/502715 (2013.01); B01L 2200/10 (2013.01); B01L 2300/087 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A functionally closed system centrifuge tube that comprises:
an inner centrifuge tube comprising:
a main loading port;
a pellet accumulation zone at a terminus of an acute-angled elbow joint;
one or more pellet removal ports disposed on a same surface as the main loading port and located distal to the acute-angled elbow joint; and
a microchannel embedded in side walls that connects the pellet accumulation zone through the acute-angled elbow joint to the one or more pellet removal ports.