Title:
LIQUID TRANSFER DEVICE AND MULTI-PATH PARALLEL LIQUID TRANSFER DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/206096
Kind Code:
A1
Abstract:
A liquid transfer device (100) and a multi-path parallel liquid transfer device. The liquid transfer device (100) comprises: a liquid path valve plate (120), wherein the bottom of the liquid path valve plate (120) is provided with a valve diaphragm coverage area (P), the valve diaphragm coverage area (P) is provided with at least one pipetting channel (121) and a plurality of valve holes (b), and a first preset distance is provided between the valve holes (b) and the pipetting channel (121); a cassette body (110), fixed to the top of the liquid path valve plate (120), the cassette body (110) comprising a plurality of reagent tubes (111), and each reagent tube (111) being communicated with one valve hole (b); an elastic valve diaphragm (130), covering the valve diaphragm coverage area (P), wherein the elastic valve diaphragm (130) is provided with a plurality of first preset areas (P1), and a plurality of diaphragm valves are formed between the first preset areas (P1) and the liquid path valve plate (120) and are used for connecting or blocking the valve holes (b) and the pipetting channel (121); and a driving assembly (140), configured to open or close the diaphragm valves. Each path of the multi-path parallel liquid transfer device comprises a liquid transfer device (100).
Inventors:
JIANG TAIJIAO (CN)
LIANG SONGSONG (CN)
GENG PENG (CN)
LI SHENGGUANG (CN)
ZHANG HUI (CN)
MA RAN (CN)
LIANG SONGSONG (CN)
GENG PENG (CN)
LI SHENGGUANG (CN)
ZHANG HUI (CN)
MA RAN (CN)
Application Number:
PCT/CN2022/089375
Publication Date:
November 02, 2023
Filing Date:
April 26, 2022
Export Citation:
Assignee:
GUANGZHOU NAT LABORATORY (CN)
International Classes:
B01L3/14; B01L3/02; C12Q1/68; C12Q1/70
Foreign References:
| CN110841730A | 2020-02-28 | |||
| CN112795474A | 2021-05-14 | |||
| CN111644213A | 2020-09-11 | |||
| CN111647498A | 2020-09-11 | |||
| CN207552287U | 2018-06-29 | |||
| CN111500675A | 2020-08-07 | |||
| US20100285578A1 | 2010-11-11 |
Attorney, Agent or Firm:
BEIJING INTELLECTUAL HONESTY INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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