EP1974819A3 - Metering device - Google Patents

Metering device Download PDF

Info

Publication number
EP1974819A3
EP1974819A3 EP08008870A EP08008870A EP1974819A3 EP 1974819 A3 EP1974819 A3 EP 1974819A3 EP 08008870 A EP08008870 A EP 08008870A EP 08008870 A EP08008870 A EP 08008870A EP 1974819 A3 EP1974819 A3 EP 1974819A3
Authority
EP
European Patent Office
Prior art keywords
drive motor
actuator
sensor
electric drive
force
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08008870A
Other languages
German (de)
French (fr)
Other versions
EP1974819B1 (en
EP1974819A2 (en
Inventor
Bernd Jagdhuber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eppendorf SE
Original Assignee
Eppendorf SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eppendorf SE filed Critical Eppendorf SE
Publication of EP1974819A2 publication Critical patent/EP1974819A2/en
Publication of EP1974819A3 publication Critical patent/EP1974819A3/en
Application granted granted Critical
Publication of EP1974819B1 publication Critical patent/EP1974819B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
    • B01L3/0227—Details of motor drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/08—Ergonomic or safety aspects of handling devices
    • B01L2200/087—Ergonomic aspects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/14—Process control and prevention of errors
    • B01L2200/143—Quality control, feedback systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0275—Interchangeable or disposable dispensing tips
    • B01L3/0279—Interchangeable or disposable dispensing tips co-operating with positive ejection means

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

Dosiervorrichtung mit einer manuell betätigbaren Betätigungseinrichtung, einem der Betätigungseinrichtung zugeordneten Sensor zum Erfassen einer auf die Betätigungseinrichtung manuell ausgeübten Kraft, einem elektrischen Antriebsmotor, einer mit dem Sensor und dem elektrischen Antriebsmotor verbundenen elektrischen Steuerung zum Steuern des Antriebsnraotors beim Erfassen einer auf die Betätigungseinrichtung ausgeübten Kraft durch den Sensor und zum Abschalten des Antriebsmotors, wenn der Sensor einen starken Anstieg der Kraft erfasst, die typisch für das Erreichen eines Anschlages ist, einer mit dem Sensor, dem elektrischen Antriebsmotor und der elektronischen Steuerung verbundenen elektrischen Spannungsversorgung und einer mit der Betätigungseinrichtung und dem elektrischen Antriebsmotor gekoppelten Verdrängungseinrichtung zum Dosieren von Flüssigkeit.

Figure imgaf001
Dosing device with a manually operable actuator, a sensor associated with the actuator for detecting a manually applied to the actuator force, an electric drive motor, connected to the sensor and the electric drive motor electrical control for controlling the drive rotor when detecting a force exerted on the actuator force the sensor and for switching off the drive motor when the sensor detects a large increase in the force that is typical for reaching a stop, one connected to the sensor, the electric drive motor and the electronic control electrical power supply and one with the actuator and the electric Drive motor coupled displacement device for metering liquid.
Figure imgaf001
EP08008870A 2003-01-16 2003-10-01 Metering device Expired - Lifetime EP1974819B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10301343A DE10301343B4 (en) 2003-01-16 2003-01-16 metering
EP03022019A EP1439002B1 (en) 2003-01-16 2003-10-01 Metering device

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP03022019A Division EP1439002B1 (en) 2003-01-16 2003-10-01 Metering device
EP03022019.8 Division 2003-10-01

Publications (3)

Publication Number Publication Date
EP1974819A2 EP1974819A2 (en) 2008-10-01
EP1974819A3 true EP1974819A3 (en) 2008-10-22
EP1974819B1 EP1974819B1 (en) 2011-08-10

Family

ID=32519981

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08008870A Expired - Lifetime EP1974819B1 (en) 2003-01-16 2003-10-01 Metering device
EP03022019A Expired - Lifetime EP1439002B1 (en) 2003-01-16 2003-10-01 Metering device

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP03022019A Expired - Lifetime EP1439002B1 (en) 2003-01-16 2003-10-01 Metering device

Country Status (3)

Country Link
US (1) US7146867B2 (en)
EP (2) EP1974819B1 (en)
DE (2) DE10301343B4 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL200761B1 (en) * 2003-07-24 2009-02-27 Pz Htl Spo & Lstrok Ka Akcyjna Pipette replaceable tip ejector unit
DE102004022419B4 (en) * 2004-05-06 2007-01-25 Eppendorf Ag pipette
WO2006083695A2 (en) * 2005-01-28 2006-08-10 Parker-Hannifin Corporation Sampling probe, gripper and interface for laboratory sample management systems
DE102005033378B4 (en) * 2005-07-16 2012-05-31 Eppendorf Ag pipette
US8192698B2 (en) * 2006-01-27 2012-06-05 Parker-Hannifin Corporation Sampling probe, gripper and interface for laboratory sample management systems
JP2007254582A (en) * 2006-03-23 2007-10-04 Mitsui Chemicals Inc Adhesive layer produced by alternate adsorption method and compound material comprising the adhesive layer
US8096197B2 (en) * 2006-03-31 2012-01-17 Artel, Inc. Air displacement liquid delivery system and related method
US8597593B2 (en) 2006-12-07 2013-12-03 Brand Gmbh + Co Kg Bottle top dispenser for handling liquids
EP2125223B1 (en) * 2006-12-07 2015-12-02 Brand Gmbh + Co Kg Bottle attachment for handling liquids
US20090005789A1 (en) * 2007-06-26 2009-01-01 Charles Steven T Force Sensitive Foot Controller
FR2920675B1 (en) * 2007-09-10 2010-12-03 Gilson Sas MULTICHANNEL PIPETTING SYSTEM COMPRISING AN IMPROVED GUIDE PISTON HOLDER
US20120330571A1 (en) * 2011-06-27 2012-12-27 Lacourse John R System to measure forces on an insertion device
JP6286674B2 (en) * 2012-10-22 2018-03-07 パナソニックＩｐマネジメント株式会社 Filter device
DE102016119873A1 (en) * 2016-10-18 2018-05-09 Als Automated Lab Solutions Gmbh Dosing device and method for its operation
DE102019108533B4 (en) * 2019-04-02 2020-11-19 Kulzer Gmbh Extrusion device for dental materials and a method for driving at least one discharge piston of a cartridge system with an extrusion device
EP3928868A1 (en) * 2020-06-22 2021-12-29 Eppendorf AG Pipette for use with a pipette tip or syringe having a piston and a cylinder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283950A (en) * 1978-08-04 1981-08-18 Kommandiittiyhtio Finnpipette Osmo A. Suovaniemi Device for detaching and removing a disposable tip of a pipette
EP0576967A2 (en) * 1992-06-24 1994-01-05 Labsystems Oy Corporation Motor-driven pipette
US20020005075A1 (en) * 2000-06-26 2002-01-17 Kriz Jeffrey W. Hand-held pipette

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4519258A (en) * 1983-10-11 1985-05-28 Eastman Kodak Company Motorized pipette
EP0181956A1 (en) * 1984-11-20 1986-05-28 HTL High-Tech Lab Herstellung und Vertrieb medizinisch technischer Erzeugnisse GmbH Pipette
US4750373A (en) * 1987-01-22 1988-06-14 Shapiro Justin J Adjustable volume, pressure-generating pipette sampler
DE4342178C2 (en) * 1993-12-10 1995-09-28 Eppendorf Geraetebau Netheler Pipette system
US6299841B1 (en) * 1999-03-05 2001-10-09 Rainin Instrument Co., Inc. Bilaterally symmetrical battery powered microprocessor controlled lightweight hand-holdable electronic pipette
US20020011815A1 (en) * 2000-02-03 2002-01-31 Gaffney Edward J. Motor control systems and methods employing force sensing resistors
CH695544A5 (en) * 2000-11-17 2006-06-30 Tecan Trading Ag Apparatus for dispensing or aspirating / dispensing liquid samples.
US6968749B2 (en) * 2002-11-21 2005-11-29 Arise Biotech Corporation Portable automated pipette

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283950A (en) * 1978-08-04 1981-08-18 Kommandiittiyhtio Finnpipette Osmo A. Suovaniemi Device for detaching and removing a disposable tip of a pipette
EP0576967A2 (en) * 1992-06-24 1994-01-05 Labsystems Oy Corporation Motor-driven pipette
US20020005075A1 (en) * 2000-06-26 2002-01-17 Kriz Jeffrey W. Hand-held pipette

Also Published As

Publication number Publication date
EP1439002B1 (en) 2008-05-14
EP1439002A3 (en) 2005-06-08
EP1439002A2 (en) 2004-07-21
EP1974819B1 (en) 2011-08-10
DE10301343A1 (en) 2004-08-05
DE50309835D1 (en) 2008-06-26
US7146867B2 (en) 2006-12-12
US20040149052A1 (en) 2004-08-05
EP1974819A2 (en) 2008-10-01
DE10301343B4 (en) 2004-12-09

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