Solid sample injection device for micro-fluidic chip

By designing a microfluidic chip solid sample injection device with a multi-layer filter structure, the problems of cumbersome structure and complicated operation of the solid sample injection method in the prior art are solved, and efficient solid sample filtration and transportation are achieved.

CN222678082UActive Publication Date: 2025-03-28JIANGSU SUPERVISION & INSPECTION INST FOR PROD QUALITY
1 Cites 0 Cited by

Patent Information

Application Number
CN202421400265.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-03-28
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing microfluidic chip solid sample injection methods have problems such as cumbersome structure and complicated operation steps, making it difficult to achieve efficient solid sample injection.

Method used

A sample injection device including a cylinder, a connecting end, a filter, an output end and an output nozzle is designed. By providing a multi-layer filter disc and a rotating shaft, the filtering and transportation of solid samples are realized.

Benefits of technology

The device improves the filtration performance of solid samples through a multi-layer filter structure, simplifies operating steps, and improves the efficiency of injection of solid samples from microfluidic chips.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The utility model discloses a solid sample injection device for a micro-fluidic chip, relates to the technical field of solid sample injection devices for micro-fluidic chips, and aims to solve the problems of complicated structure and complicated operation steps of solid sample injection mode extraction, filtration and solution transfer of the conventional micro-fluidic chip. The first rotating shaft is installed on the outer wall of the connecting end, a second rotating shaft is arranged above the outer wall of the output end, a third rotating shaft is arranged below the second rotating shaft, the filtering cavity is installed in the filter, a first filtering disc is arranged above the interior of the filtering cavity, and a second filtering disc is arranged above the interior of the filtering cavity. A third filtering disc is arranged on the lower portion of the interior of the filtering cavity, a second filtering disc is arranged below the third filtering disc, a first connecting rod is arranged in the filtering cavity, a second connecting rod is arranged at the lower end of the first connecting rod, and an outer sleeve fitting is arranged in the second connecting rod.
Need to check novelty before this filing date? Find Prior Art