US 12,337,335 B2
Biochemical item detection disc
Chengyu Feng, Suzhou (CN); Yexian Wu, Suzhou (CN); Liya Sun, Suzhou (CN); and Jing Chen, Suzhou (CN)
Assigned to Hanguang Micro-nano Technology (Taicang) Co., Ltd., Suzhou (CN)
Filed by Hanguang Micro-nano Technology (Taicang) Co., Ltd., Suzhou (CN)
Filed on Jul. 29, 2022, as Appl. No. 17/876,832.
Claims priority of application No. 202210177056.9 (CN), filed on Feb. 24, 2022.
Prior Publication US 2023/0264205 A1, Aug. 24, 2023
Int. Cl. B04B 5/04 (2006.01); B01L 3/00 (2006.01); B04B 11/02 (2006.01); G01N 1/34 (2006.01)
CPC B04B 5/0442 (2013.01) [B01L 3/502753 (2013.01); B04B 11/02 (2013.01); G01N 1/34 (2013.01); B01L 2200/16 (2013.01); B01L 2300/0803 (2013.01); B01L 2300/0877 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A biochemical item detection disc, comprising:
a disc (1),
a first detection unit (2) and
a second detection unit (3),
wherein the first detection unit (2) and the second detection unit (3) are arranged on the disc (1);
the first detection unit (2) comprises a centrifugal bag placing tank (21), a first diluent dosing tank (22), a sample adding tank (23), a first sample dosing tank (24), a first mixing tank (25), a first liquid separation tank (26) and first detection holes (27),
wherein the centrifugal bag placing tank (21) is communicated with the first diluent dosing tank (22) through a liquid inlet flow channel;
the sample adding tank (23) is communicated with the first sample dosing tank (24) through a first flow channel;
the first diluent dosing tank (24) is communicated with the first mixing tank (25) through a first siphon flow channel (4);
the first sample dosing tank (24) is communicated with the first mixing tank (25) through a second siphon flow channel (5); and
the first mixing tank (25) is communicated with the first liquid separation tank (26) through a third siphon flow channel (6);
a plurality of the first detection holes (27) are arranged; and
the first liquid separation tank (26) is communicated with the first detection holes (27) through a plurality of separate flow channels;
the second detection unit (3) comprises a first diluent overflow tank (31), a second diluent dosing tank (32), a second sample dosing tank (33), a second mixing tank (34), a second liquid separation tank (35) and second detection holes (36), wherein the first diluent overflow tank (31) is communicated with the first diluent dosing tank (24) through an overflow channel;
the first diluent overflow tank (31) is communicated with the second diluent dosing tank (32) through the liquid inlet flow channel;
the second sample dosing tank (33) is communicated with the first sample dosing tank (24) through a second flow channel;
the second diluent dosing tank (32) is communicated with the second mixing tank (34) through a fourth siphon flow channel (7);
the second sample dosing tank (33) is communicated with the second mixing tank (34) through a fifth siphon flow channel (8); and
the second mixing tank (34) is communicated with the second liquid separation tank (35) through a sixth siphon flow channel (9); and
a plurality of the second detection holes (36) are arranged; and the second liquid separation tank (35) is communicated with the second detection holes (36) through the plurality of separate flow channels.