US 11,980,883 B2
Lateral flow pump housing
William Strong, El Cerrito, CA (US); and Daniel Y. Chu, San Francisco, CA (US)
Assigned to BIO-RAD LABORATORIES, INC., Hercules, CA (US)
Appl. No. 16/641,676
Filed by BIO-RAD LABORATORIES, INC., Hercules, CA (US)
PCT Filed Aug. 22, 2018, PCT No. PCT/US2018/047405
§ 371(c)(1), (2) Date Feb. 25, 2020,
PCT Pub. No. WO2019/040544, PCT Pub. Date Feb. 28, 2019.
Claims priority of provisional application 62/550,105, filed on Aug. 25, 2017.
Prior Publication US 2020/0384461 A1, Dec. 10, 2020
Int. Cl. B01L 9/00 (2006.01); B01L 3/00 (2006.01)
CPC B01L 3/5023 (2013.01) [B01L 2200/12 (2013.01); B01L 2300/0609 (2013.01); B01L 2300/0825 (2013.01); B01L 2400/0406 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A lateral flow device pump housing comprising:
a base comprising a cavity housing a pump, the pump comprising a compressed absorbent pad in contact with an end of a wicking pad; and
a cup nested inside the cavity within the base, the cup being in contact with the pump and exerting a pressure of about 1000 Newtons per square meter to about 11,000 Newtons per square meter on the pump, wherein a cup side wall is attached to and directly contacts a pump housing side wall in the cavity, the cup side wall being attached to said pump housing side wall within the cavity by a heat weld.