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Pipetting device

A liquid pipetting device and liquid technology, applied in liquid bottling, packaging, liquid processing, etc., can solve problems such as inconvenient maintenance, pulse effect, and bulky structure

Inactive Publication Date: 2014-09-10
ANPAC BIO MEDICAL SCI (LISHUI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing liquid pipetting technology, it is limited to the pump-driven pipetting method, which is very weak when controlling fluids in the nanoliter range, and often has a series of problems such as hysteresis, long stabilization time, poor repeatability, and pulse effects.
The current pressure control method is still unable to realize the integrated pipette that can input and output, mix and clean at the same time. For each step, a system with a bulky structure is required, which is inconvenient to maintain and the cost is correspondingly increased.

Method used

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  • Pipetting device

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Embodiment Construction

[0013] The advantages of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0014] refer to figure 1 It is a structural schematic diagram of a preferred embodiment of the present invention, the pipetting device includes a container for holding liquid, and the container is a sealed container 14, including: a liquid inlet, a liquid outlet, an implant 13 and at least one catheter 9. The pipetting device also includes: a pump body that provides air power to the sealed container; wherein the liquid inlet is connected to a liquid inlet pipe 5, and the liquid outlet is connected to a liquid outlet pipe 7; the implant tube 13 is arranged inside the sealed container 14, One end is connected with the liquid outlet, and the other end leads to the bottom of the sealed container 14;

[0015] As preferably, the liquid pipetting device also includes: an open funnel 2, which is connected with the liquid inlet pipe ...

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Abstract

The invention discloses a pipetting device. The pipetting device comprises a liquid container. The liquid container is a sealed container. The sealed container comprises a liquid inlet, a liquid outlet, an implant pipe and at least one conduit. The pipetting device also comprises a pump for providing air power for the sealed container. The liquid inlet is communicated with a liquid inlet pipe and the liquid outlet is communicated with a liquid outlet pipe. The implant pipe is arranged in the sealed container, one end of the implant pipe is connected to the liquid outlet and the other end of the implant pipe enters into the sealed container and stretches to the bottom of the sealed container. One end of the at least one conduit is communicated with the top of the sealed container and the other end of the at least one conduit is connected to the pump so that the pump can suck air in the sealed container or feed air into the sealed container. The pipetting device is an integrated pipettor and can realize combination of input, output, mixing and cleaning. The pipetting device has a constant-current pipetting function.

Description

technical field [0001] The invention relates to the field of biochemical equipment, in particular to a pipetting device. Background technique [0002] In the existing liquid pipetting technology, it is limited to the pump-driven pipetting method, which is very weak when controlling the fluid of nanoliter level, and often has a series of problems such as hysteresis, long stabilization time, poor repeatability, and pulse effect. The current pressure control method is still unable to realize the integrated pipette that can input and output, mix and clean at the same time. For each step, a system with a bulky structure is required, which is inconvenient to maintain and the cost is correspondingly increased. [0003] Therefore, there is an urgent need for an integrated pipette that can realize input and output, mixing, and cleaning. At the same time, the pipette also has the function of adjusting the speed and volume of pipetting as required. Contents of the invention [0004]...

Claims

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Application Information

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IPC IPC(8): B67C3/00B67C9/00
Inventor 谢元华顾廷
Owner ANPAC BIO MEDICAL SCI (LISHUI) CO LTD
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