US 12,357,991 B2
Sperm selection device, kit, and methods
David Sinton, Toronto (CA); Jason Riordon, Toronto (CA); and Mohammad Simchi, Toronto (CA)
Filed by David Sinton, Toronto (CA); Jason Riordon, Toronto (CA); and Mohammad Simchi, Toronto (CA)
Filed on Apr. 23, 2021, as Appl. No. 17/238,291.
Claims priority of provisional application 63/025,308, filed on May 15, 2020.
Prior Publication US 2021/0354142 A1, Nov. 18, 2021
Int. Cl. C12N 5/071 (2010.01); B01L 3/00 (2006.01); B29C 53/56 (2006.01); B33Y 80/00 (2015.01); C12N 5/076 (2010.01); G01N 1/40 (2006.01); G01N 33/50 (2006.01); B29L 31/00 (2006.01)
CPC B01L 3/502761 (2013.01) [B01L 3/502707 (2013.01); B29C 53/56 (2013.01); B33Y 80/00 (2014.12); C12N 5/061 (2013.01); C12N 5/0612 (2013.01); G01N 1/4077 (2013.01); G01N 33/5005 (2013.01); B01L 2200/0652 (2013.01); B29L 2031/753 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A device for selecting sperm, comprising:
a stack of a plurality of layers of a material, the stack having an inlet end and an outlet end; and
a core, wherein the material is wrapped around the core to form the stack;
wherein each layer of the material comprises a plurality of sperm selection microchannels, wherein each sperm selection microchannel has a respective microchannel inlet at the inlet end of the stack and extends to a respective microchannel outlet at the outlet end of the stack.