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Micro-fluidic chip liquid feeding fixture and liquid feeding method

A microfluidic chip, liquid feeding technology, applied in the directions of clamping, manufacturing tools, supports, etc., can solve the problems of difficult chip removal, large time difference, low alignment accuracy, etc., to achieve a wide range of temperature and pressure tolerance, Low cost and strong chemical stability

Inactive Publication Date: 2016-11-16
苏州含光微纳科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the traditional way of feeding microfluidic chips, that is, directly bonding the joints, is a process that is completely done manually. The time difference is large, the alignment accuracy is not high, and the chip is difficult to remove. It can only be used once. The inlet liquid cannot withstand greater pressure and liquid inlet speed, and the phenomenon of liquid leakage is also unavoidable.

Method used

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  • Micro-fluidic chip liquid feeding fixture and liquid feeding method
  • Micro-fluidic chip liquid feeding fixture and liquid feeding method
  • Micro-fluidic chip liquid feeding fixture and liquid feeding method

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Embodiment Construction

[0035] The present invention will be further described below through specific embodiments and accompanying drawings.

[0036] figure 1 It is a structural schematic diagram of the microfluidic chip fixture of this embodiment. The fixture includes a base 1 , a pressing block 2 , a locking screw 3 and a positioning pin 4 . Locating pin 4 is arranged on the base 1, and briquetting block 2 is provided with the locating hole that cooperates with locating pin 4, and locating pin 4 passes the locating hole on the briquetting block 2 during use, realizes the location to briquetting block 2; A cylindrical compression spring (not shown in the figure) can be arranged on 4, which is located between the pressing block 2 and the base 4, so that there is a certain distance between the pressing block 2 and the base 4, which is convenient for fixing the microfluidic chip. The locking screw 3 is used to lock and fix the pressing block 2 . The pressing block 2 is provided with a number of thre...

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Abstract

The invention relates to a micro-fluidic chip liquid feeding fixture and a liquid feeding method. The micro-fluidic chip liquid feeding fixture comprises a base, pressing blocks, a positioning device and a fastening device; the positioning device is used for positioning the pressing blocks; the fastening device is used for locking the pressing blocks and fixing the pressing blocks on the base; a plurality of threaded holes are formed in the pressing blocks and correspond to liquid feeding holes in a micro-fluidic chip; the positioning device comprises stop bolts and positioning holes matched with each other; the stop bolts are arranged on the base; the positioning holes are formed in the pressing blocks; the stop bolts penetrate through the positioning holes; the fastening device comprises lock screws for locking and fixing the pressing blocks; and the micro-fluidic chip liquid feeding fixture further comprises micro-channel connectors and liquid feeding hoses. The micro-fluidic chip liquid feeding fixture can realize liquid feeding of the micro-fluidic chip in a high flow rate, high liquid feeding pressure, high efficiency, high speed and stability manner.

Description

technical field [0001] The invention belongs to the field of microfluidic chips and the field of biomedical detection, and in particular relates to a microfluidic chip liquid inlet fixture and a liquid inlet method. The prepared microfluidic chip liquid inlet fixture can realize rapid feeding of the microfluidic chip. liquid. Background technique [0002] The microfluidic chip liquid inlet fixture is a special fixture device that simplifies and streamlines the conventional chip liquid inlet method and is used to realize the rapid liquid inlet of the microfluidic chip. The microfluidic chip inlet fixture uses the chip fixing device to clamp the chip, and the design of the hole position on the fixture can ensure the complete alignment of the inlet hose when it is inserted vertically, and cooperate with the upper hose, PEEK connector, sealing ring and The micropump realizes the rapid liquid feeding of the microfluidic chip. Compared with the traditional sealing ring glue stic...

Claims

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Application Information

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IPC IPC(8): B23Q3/08
CPCB23Q3/082
Inventor 吴烨娴徐利军孙文聪孟伟宋璐陈兢
Owner 苏州含光微纳科技有限公司
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