A controllable number and spacing particle release device and method

By designing a particle release device with controllable quantity and spacing, and utilizing programmable pressure pumps and microfluidic technology, the problems of complex equipment and cumbersome operation in existing technologies have been solved, achieving efficient and automated release and storage of microparticles, which is suitable for single-cell analysis and cell therapy.

CN117358329BActive Publication Date: 2026-05-29ZHUHAI DALUE TECH LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHUHAI DALUE TECH LTD
Filing Date
2023-10-16
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing single-cell capture and release technologies have high equipment requirements, are cumbersome to operate, and have low release efficiency, making it difficult to achieve dense storage and regular batch release.

Method used

Design a particle release device with controllable quantity and spacing, including a programmable pressure pump and a microfluidic device. Utilize microporous structure and fluid velocity to control the capture and release of particles, and achieve automated and efficient release of particles through an interleaved array of micropores and a programmable pressure pump.

Benefits of technology

It enables simple and automated particle capture and release, reduces equipment costs, and allows for the release of any number of particles at equal intervals, making it suitable for single-cell analysis and cell therapy.

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Abstract

The present application relates to a quantity and spacing controllable particle release device and a method thereof, the quantity and spacing controllable particle release device comprising a programmable pressure pump device for injecting and controlling the size of the front end pressure of microparticles; a microfluidic device, an inlet of the microfluidic device being connected with the programmable pressure pump device, the microfluidic device comprising a micropore structure, the micropore structure comprising a main flow channel and a multiple micropore array structure, the main flow channel being arranged above the multiple micropore array structure, and the multiple micropore array structure comprising a plurality of micropores. The quantity and spacing controllable particle release device is simple to operate, automatic, efficient, fast and controllable, simple in design and processing, and can realize the release of any number of cells or particles.
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