US 12,467,919 B2
Test stick, testing method and application
Jing-Feng Huang, Guangdong (CN)
Assigned to GUANGDONG SEINDA BIOMEDICAL CORPORATION, Guangzhou (CN)
Appl. No. 17/627,614
Filed by GUANGDONG SEINDA BIOMEDICAL CORPORATION, Guangdong (CN)
PCT Filed Jul. 15, 2020, PCT No. PCT/CN2020/101988
§ 371(c)(1), (2) Date Jan. 14, 2022,
PCT Pub. No. WO2021/012999, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 201910657081.5 (CN), filed on Jul. 19, 2019.
Prior Publication US 2022/0276230 A1, Sep. 1, 2022
Int. Cl. G01N 33/533 (2006.01); B01L 3/00 (2006.01); G01N 33/543 (2006.01)
CPC G01N 33/533 (2013.01) [B01L 3/5023 (2013.01); G01N 33/54388 (2021.08); B01L 2300/0825 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A test stick, comprising a top cover, a bottom cover and a test strip, the test strip being fixed by means of the top cover and the bottom cover, wherein
a positioning hole, a clamp slot structure and a bulge stage are provided inside the bottom cover; the clamp slot structure is internally provided with a support bulge, with a height of the support bulge being less than or equal to a height of the bulge stage;
the top cover is provided with fixing plates, a reaction window, a sample loading hole, a positioning post and a testing liquid hole; wherein the reaction window, the sample loading hole and the testing liquid hole are arranged in sequence; wherein the fixing plates are distributed on two sides of the reaction window; and
the test strip is configured to be loaded in the clamp slot structure of the bottom cover and fixed thereto, the test strip is configured to be supported by the bulge stage and the support bulge, the top cover and the bottom cover are configured to be engaged by means of the positioning hole and the positioning post, and the middle of the test strip is configured to bulge upward under a pressure of the fixing plates and the testing liquid hole of the top cover towards the bottom cover.