Liquid drop micro-fluidic chip
By designing droplet microfluidic chips with multiple second and third channels, combined with microvalve structures, the problem of insufficient droplet generation flux in existing technologies has been solved, achieving efficient droplet generation and uniformity.
CN223832351UActive Publication Date: 2026-01-27LEAD HEALTHCARE TECHNOLOGY (GUANGZHOU) CO LTD
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Patent Information
- Application Number
- CN202423322845.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Technical Problem
Existing microfluidic chips cannot meet the demand of tens to hundreds of microliters per day when generating droplets of tens of micrometers, resulting in insufficient throughput.
Method used
A droplet microfluidic chip is designed, employing a structure with multiple second and third channels, combined with a microvalve structure. By setting channels with different cross-sectional areas and microvalve control of flow rate, the droplet flux can be multiplied and made more uniform.
Benefits of technology
It achieves high-throughput and near-uniform droplet generation, improves droplet generation efficiency and uniformity, and meets the high-throughput requirement.
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Smart Images
Figure CN223832351U_ABST
Abstract
The utility model discloses a droplet micro-fluidic chip, and relates to the technical field of microfluidics, the droplet micro-fluidic chip comprises a chip body, the chip body comprises a first inlet, a second inlet, a liquid path layer and a plurality of liquid path outlets, the liquid path layer comprises a first channel, a plurality of second channels and a plurality of third channels, the first channel is communicated with the first inlet, and the second channel is communicated with the second inlet; the number of the second passages is the same as that of the third passages, one end of each third passage is connected with a liquid path outlet, the other end of each third passage is communicated with the second inlet, one end of each second passage is communicated with the first passage, and the other end of each second passage is communicated with the third passage; the cross section area of the second channel is larger than that of the third channel, and the second channel is provided with a micro-valve structure. According to the droplet micro-fluidic chip disclosed by the invention, design optimization is carried out on each channel, and the droplet micro-fluidic chip is matched with a micro-valve structure for use, so that high-flux and nearly-uniform droplet generation can be realized.
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