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liquid substance dispenser

A dispenser and dispensing valve technology, used in fluid controllers, instruments, analytical materials, etc., can solve problems such as the accuracy limit of pure manual operation

Inactive Publication Date: 2019-06-25
GYGER INVEST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, purely manual dispensing increasingly reaches its limits in terms of physical or ergonomic feasibility and the necessary precision

Method used

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Examples

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Embodiment Construction

[0062] figure 1 Shown is a diagrammatic representation of a dispenser-reservoir combination consisting of a dispenser 100 together with an associated reservoir 200 storing liquid to be dispensed through the dispenser 100 .

[0063] The dispenser 100 has a pin-shaped or rod-shaped and mainly cylindrical dispenser housing 110 and a dispenser head 114 . Here, the dispenser housing 110 is specially designed so that, in use (if necessary, by means of a plastic handle as described below), the dispenser housing 110 rests in the palm of the user and is held by the fingers from the index finger to the little finger. The fingers enclose, and the dispenser 100 is axially supported on the index finger by the concave shape of the dispenser head 114 . The posture of use is thus the same as that of, for example, electronic laboratory pipettes or so-called "pens" for drug injections.

[0064] The dispenser housing 110 may optionally be provided with a plastic handle, such as a handle made o...

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PUM

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Abstract

The invention relates to a dispenser (100, 100', 100'') for dispensing fluids, preferably liquid substances, in particular with volumes in the nanoliter range or microlitre range, said dispenser (100, 100', 100'') comprising a) an essentially rod-shaped housing (110) which is designed so as to be held in a hand by a user b) a reservoir connector (130) for fluidically connecting a reservoir (200) containing the substance which is to be dispensed, c) a trigger element (120) for manually releasing a dispensing command; d) an electrically actuatable dispensing valve (150) having and open and a closed state, said dispensing valve (150) having an inlet which is fluidically coupled to the reservoir connector (130) and an outlet, said dispensing valve (150) being designed to guide, in the open state, the liquid which is to be dispensed from the inlet to the outlet; e) a valve tip (152) which is fluidically coupled to the outlet of the dispensing valve (150) or forming part of the dispensing valve (150), which is also designed, when the dispensing valve (150) is in the open state, to dispense liquid from the dispenser (100, 100', 100''). The invention also relates to guide devices for a dispenser, dispenser systems and to a method for dispensing liquid substances to a dispenser.

Description

technical field [0001] The present disclosure relates to liquid substance dispensers, guides for such dispensers, dispensing systems incorporating such dispensers, and methods of dispensing liquid substances. Background technique [0002] Numerous medical, pharmacological, cell biology, molecular biology, or genetic analysis methods increasingly require simple, low-cost, and no large instrument expenditure The available dispensing methods, the dispensing range between about 1 nl (nanoliter) and about 1 μl (microliter), are especially important, but so far there are no precise manual or manually controlled electrical (= so-called " Electronics") aspiration or dispensing technology devices are available. Manual or so-called "electronic" pipettes or dispensers work on the principle of squeezing air, either with a hand pump or a pump driven by a micro motor. Using this technology, under the current technical conditions, it is impossible to achieve accurate and repeatable dispe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01L3/02G01N35/10
CPCB01L3/0265B01L9/56B01L2300/0829B01L2400/0487B01L2400/0616G01N35/109
Inventor B·默策尼希F·盖格尔
Owner GYGER INVEST
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