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Fluid transfer apparatus

A technology for fluid transfer and equipment, which is applied in the direction of laboratory containers, instruments, measuring tubes/pipettes, etc., can solve the problems of wear and tear, affect the aging process of instruments, and achieve the effect of increasing convenience

Active Publication Date: 2014-07-09
EPPENDIRF AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Especially in the case of manually operating fluid transfer devices, the continuous or repeated manual mechanical actuation of the device places demands on both the device and the user, and thus affects firstly the aging process and wear of the device and secondly affects the operation of the user convenience

Method used

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Embodiment Construction

[0053] exist figure 1 The electronic piston-stroke pipette 1 comprises a base body with a housing 2 . The housing 2 is embodied as a handle and is used to operate the pipette 1 with one hand, so that the user can hold a sample container (not shown) between them, for example with the other hand, wherein the user transfers the pipette 1 Fluids such as biochemical laboratory samples (water samples) or medical laboratory samples in a predominantly aqueous solvent. For this purpose, the user initiates aspiration or transfer of the sample via the central actuation button 3 of the pipette. The actuation button 3 is a rocker switch with a neutral position and "suction" and "delivery" positions. The pipette comprises a cylinder with a piston movable in an airtight manner in said cylinder, and an air cushion is positioned between the lower end of the pipette and the sample liquid arranged in the pipette end 7 . The pipette also includes an electrically driven movement through which t...

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PUM

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Abstract

The invention relates to a fluid transfer apparatus, in particular pipetting apparatus, for transferring at least one fluid laboratory sample, in particular a biochemical or medical laboratory sample, comprising a base body, which has a connecting section serving for connecting a container to the base body for the intake of the at least one fluid sample into the container, a movement device, which can bring about the intake and / or delivery of at least one fluid laboratory sample into the container, an electrical control device, which controls at least one function of the fluid transfer apparatus, a sensor device, which comprises at least one acceleration sensor which is signal-connected to the control device and by means of which at least one acceleration value can be measured during the movement of the fluid transfer apparatus, wherein the control device is designed such that it uses the at least one acceleration value during the control of the at least one function. The invention furthermore relates to a method for using at least one acceleration value in a fluid transfer apparatus.

Description

technical field [0001] The present invention relates to fluid transfer devices, and more particularly to liquid pipetting devices and methods of use thereof. Background technique [0002] This fluid transfer device is mainly used for transferring fluid samples in a laboratory, especially for metering samples. In the case of a pipetting device, for example a liquid sample is sucked into the pipette tip by reduced pressure, stored at the tip, and ejected from the tip again to the target position. [0003] Fluid transfer devices include metering devices, especially pipetting devices, especially hand-held pipetting devices such as eg pipettes and dispensers. A pipette is to be understood as an instrument in which, in particular, a volume to be pipetted can be sucked into a pipetting container connected to the pipette by means of a displacement device assigned to the instrument and which may comprise a piston. A dispenser is to be understood as an instrument in which, in partic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L3/02
CPCB01L3/021B01L2300/0636Y10T436/2575B01L3/0237B01L3/0234B01L2300/0627B01L3/0279B01L3/0217G01N1/14G01N35/1016B01L2200/143B01L3/502B01L3/0275G01N35/10
Inventor 布克哈特·赖希穆特赫伯特·贝尔加特斯蒂芬·霍尔曼迈克·奎克
Owner EPPENDIRF AG
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