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Multichannel pipettor

A pipette and multi-channel technology, applied in the direction of measuring tube/pipette, etc., can solve the problems of different cell culture plates, time-consuming pipetting, etc., and achieve universal interchangeability, flexible use, and high-efficiency automation Effect

Active Publication Date: 2014-02-19
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these different types of ELISA plates and cell culture plates have different well spacings on the market. The multi-channel pipette with fixed spacing is only suitable for ELISA plates and culture plates with one spacing, which brings a lot of inconvenience.
Although single-channel pipettes do not have this problem, pipetting takes too long

Method used

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Examples

Experimental program
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specific Embodiment

[0026] Give a concrete embodiment below, introduce as follows:

[0027] The gun tip adapter 306 is made of stainless steel, connected to the external thread type M5, the thread length is 4mm, the end taper is 10 degrees, the outer diameter is 14mm, and the inner diameter is 2mm. Pipette barrel 305 is a 10×23×50 stainless steel cuboid, with M5×5 threaded holes at the bottom, and a stepped groove in the inner cavity. The diameter of the inner cavity is 8mm, and the depth is 30mm. The diameter of the stepped groove is 4.5mm, and the depth is 15mm . The pipetting piston 303 has a total length of 54.5mm and a diameter of 5mm, and a shoulder is arranged in the middle with a diameter of 8mm and a width of 2.5mm. The connecting rod 405 is made of stainless steel, and the two ends are hollow cylinders with a diameter of 10mm, and are connected together by rectangular bars in the middle. The pin 403 is a cylinder with a diameter of 5.5 mm and a length of 16 mm.

[0028] Before pipettin...

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Abstract

The invention discloses a multichannel pipettor, the multichannel pipettor comprises a pipetting device and an adjusting apparatus for space of a pipette gun, the pipetting device comprises a pipetting driving element and the pipette gun, the pipetting driving element comprises a pipetting linear motor (101), a driving top board (302) and a push rod guide bar (301); the pipetting linear motor (101) is fixed on a motor support plate (2) on topside of the pipetting device, an encircling groove is arranged at the center of the driving top board (302), the guiding screwed holes are provided at two sides, a rectangular groove is provided at the bottom, the width is slightly larger than the diameter of a pipetting piston (303), the pipette gun comprises the pipetting piston (303), a piston cover (304), a spring (307), a pipette gun cylinder (305) and a spear tip adaption head (306); and a first spring (307) is nested on the pipetting piston (303), the pipetting piston (303) and the spring (307) are positioned in a circular inner cavity of the pipette gun cylinder (305). The multichannel pipettor is capable of adapting enzyme label plates and cell culture plates with different hole pitches, so that pipetting with multiple channels and high flux can be realized.

Description

technical field [0001] The present invention relates to medical equipment for molecular diagnosis, in particular to a multi-channel pipette with variable spacing for the machine. Background technique [0002] The pipette is an essential experimental instrument in all biochemical laboratories for all immunization, cell culture, clinical diagnosis and food analysis. Through the pipette, the biochemical reagents can be transferred to specific experimental vessels, such as 96-well or 48-well ELISA plate, 96-well, 24-well cell culture plate……. The emergence of multi-channel pipettes greatly simplifies the work related to microplates and cell culture plates in biochemical experiments and improves efficiency. However, these different types of ELISA plates and cell culture plates have different well spacings on the market. The multi-channel pipette with fixed spacing is only suitable for ELISA plates and culture plates with one spacing, which brings a lot of inconvenience. Single-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L3/02
Inventor 王炜何农跃窦力康淼邬燕琪李智洋
Owner SOUTHEAST UNIV
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