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High-precision multi-plunger row pipetting device

A liquid pipetting device and multi-plunger technology, which is applied in measuring tubes/pipettes, chemical instruments and methods, laboratory utensils, etc., can solve problems such as the influence of suction and discharge accuracy, to ensure accuracy, reduce assembly difficulty, and improve Effect of Seal Reliability

Pending Publication Date: 2022-03-08
AUTOBIO LABTEC INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the amount of each reagent is small, the suction and discharge accuracy of the pump directly affects the detection results

Method used

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  • High-precision multi-plunger row pipetting device
  • High-precision multi-plunger row pipetting device
  • High-precision multi-plunger row pipetting device

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Embodiment Construction

[0029] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific working processes are provided, but the protection scope of the present invention is not limited to the following Described embodiment.

[0030] Such as Figure 1-4 As shown, the high-precision multi-plunger serial liquid pipetting device described in the present invention includes a support 1, and a first lifting mechanism is installed on the support 1, which consists of a first screw motor 201, a first guide rail 202 and a U-shaped structure. The first lifting mounting frame 203 constitutes, wherein, the first screw motor 201 has a first screw rod and a first lifting nut, the first screw and the first guide rail 202 are parallel to each other, the first lifting nut and the first lifting mounting frame 203 a...

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Abstract

The invention discloses a high-precision multi-plunger row pipetting device which comprises a bracket, a first lifting mechanism arranged on the bracket, and a first lifting mounting frame with a U-shaped structure, a second lifting mechanism is arranged on the first lifting mounting frame and is provided with a lifting plate positioned between an upper plate and a lower plate of the first lifting mounting frame; the plunger pumps are located between the lifting plate and the lower plate, and gun head adapters extending below the lower plate are integrally arranged at the outlet ends of the plunger pumps; the puncturing heads are arranged near the gun head adapters, the tops of the puncturing heads are connected with the lower plate, and the bottoms of the puncturing heads are of sharp thorn structures used for opening reagent sealing films; and the gun head withdrawing mechanism comprises a push plate arranged below the lower plate, a push rod penetrating through the lower plate and extending upwards is arranged on the push plate, a limiting piece located below the lifting plate is arranged at the top of the push rod, and an elastic return piece is arranged between the limiting piece and the lower plate. The liquid transfer device is ingenious in design, reliable in quality, high in liquid transfer precision, good in sealing effect and free of liquid leakage after long-term operation.

Description

technical field [0001] The invention relates to the technical field of in vitro diagnostic testing equipment, in particular to a high-precision multi-plunger serial pipetting device. Background technique [0002] In vitro diagnostic testing is a technology that uses modern physical and chemical methods and means for medical diagnosis. It mainly studies how to provide evidence for clinical diagnosis and treatment through laboratory technology and medical equipment. This technology requires the use of various photoelectric instruments and chemical reagents to complete experiments. analyze. As we all know, the plunger pump is a device that uses the plunger to reciprocate in the pump chamber to change the volume formed in the pump chamber and repeatedly suck and discharge liquid; in medical, chemical and other laboratories, plunger pumps are usually used to absorb And add different amounts of reagents and samples, and inject them into the reaction pool for chemical reaction. S...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L3/02
CPCB01L3/0213
Inventor 赵鹏王超高健尚晓京李东刘聪张合书
Owner AUTOBIO LABTEC INSTR CO LTD
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