Bent plastic pipette head

A pipetting and plastic technology, applied in the fields of biology and medicine, to achieve the effect of ensuring aseptic operation and easy and convenient operation process

Pending Publication Date: 2019-03-22
刘晓
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a plastic pipette tip with an angle, which can liberate the previous operators from the problems of muscle fatigue and aponeurosis strain caused by repeated mechanical pipetting operations for a long time, and also solves the problem of vertical operation. All kinds of pollution caused by dust falling from above, and it is more convenient and efficient for pipette pipetting operations that require pipette tips, ensuring the aseptic effect of pipette pipetting operations, easier and more accurate

Method used

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  • Bent plastic pipette head
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Embodiment Construction

[0022] Please refer to the attached figure 1 To attach figure 2 As shown, a plastic tip for pipetting at an angle includes a tip body 1 and a filter element 2; the tip body 1 is a cavity structure without a top cover; the tip body 1 includes a lower cavity 101, an upper barrel 102 and the connection cavity 103 connecting the two, and the three are integrated; the lower cavity 101 is a conical cavity structure without a top cover, and the upper cylinder 102 is a tubular structure with a large upper part and a smaller lower part. The cavity 103 is a tubular structure with a large top and a small bottom, and the axis is a circular arc; the angle between the top surface of the lower cavity 101 and the bottom surface of the upper cylinder 102 is an acute angle; the filter element 2 is a PE filter element, and the The filter element 2 is arranged in the inner cavity of the lower cavity 101 , and the distance between the bottom surface of the filter element 2 and the bottom of the ...

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Abstract

The invention discloses a bent plastic pipette head. The pipette head comprises a pipette head body and a filter element, wherein the pipette head body comprises a lower cavity, an upper barrel and aconnecting cavity connected with the lower cavity and the upper barrel, the lower cavity, the upper barrel and the connecting cavity are of an integrated structure, and the filter element is arrangedin an inner cavity of the lower cavity. The pipette head has the benefits as follows: compared with an original classical straight pipette head in each pipetting process, the operation action of the pipette head is more adapted to the artificial engineering principle, the operation process is easier and more convenient, the pipette head is particularly suitable for experiments requiring various long-term artificial pipetting operations, and the sterile effect in pipetting operation processes is guaranteed. The pipette head is bent, so that pressure gas flow is quickly downward under the regulation of the bent pipette head after leaving the oral liquid forwards and enters a mouth pipette under protection of a mask for various following precise pipetting operations.

Description

technical field [0001] The invention relates to the technical fields of biology and medicine, in particular to an angled pipetting plastic tip. Background technique [0002] Liquid pipetting operation is one of the most basic operation methods in biomedical activities. The current operation is mainly to pipette various types of related liquids through various pipettes (guns) matching pipette plastic tips, and to prepare All kinds of droplets in experimental clinical activities are all straight due to the limitation of the shape of pipette tips in the past, which has brought some problems in the actual use process. For example, in various pipetting processes, in order to ensure the accuracy of the pipetting volume, the pipetting action must be kept normal and vertical, because all pipette tips are straight, which forces the operator to keep Only when the pipette is vertical can the matching pipette tip be vertical, thereby ensuring that the precise volume of liquid pipetted ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L3/02
CPCB01L3/0293
Inventor 刘晓刘璟青王娟
Owner 刘晓
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