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EP2626134A3 - Pipette - Google Patents

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Publication number
EP2626134A3
EP2626134A3 EP13000386.6A EP13000386A EP2626134A3 EP 2626134 A3 EP2626134 A3 EP 2626134A3 EP 13000386 A EP13000386 A EP 13000386A EP 2626134 A3 EP2626134 A3 EP 2626134A3
Authority
EP
European Patent Office
Prior art keywords
housing
drive
displacement
discharge
displaceable
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
EP13000386.6A
Other languages
German (de)
French (fr)
Other versions
EP2626134B1 (en
EP2626134A2 (en
Inventor
Holger Link
Jens Wilmer
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
Priority to PL13000386T priority Critical patent/PL2626134T3/en
Publication of EP2626134A2 publication Critical patent/EP2626134A2/en
Publication of EP2626134A3 publication Critical patent/EP2626134A3/en
Application granted granted Critical
Publication of EP2626134B1 publication Critical patent/EP2626134B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B01L3/0275—Interchangeable or disposable dispensing tips
    • B01L3/0279—Interchangeable or disposable dispensing tips co-operating with positive ejection 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
    • B01L2200/02—Adapting objects or devices to another
    • B01L2200/023—Adapting objects or devices to another adapted for different sizes of tubes, tips or container
    • 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
    • B01L2200/02—Adapting objects or devices to another
    • B01L2200/028—Modular arrangements

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

1. Pipette mit
- einer Verdrängungseinheit umfassend ein stangenförmiges Gehäuseunterteil mit einer darin angeordneten Verdrängungskammer mit einer verlagerbaren Begrenzung, einem mit der verlagerbaren Begrenzung verbundenen Kontaktelement an einer oberen Gehäuseöffnung oben am Gehäuseunterteil, einem Ansatz zum Verbinden mit einer Pipettenspitze unten am Gehäuseunterteil und einem Verbindungskanal zwischen der Verdrängungskammer und dem freien Ende des Ansatzes,
- einer Antriebseinheit zum Antreiben der verlagerbaren Begrenzung der Verdrängungseinheit in einem stangenförmigen Gehäuseoberteil, einer darin angeordneten Antriebseinrichtung, einem mit der Antriebseinrichtung zusammenwirkenden Betätigungselement am Gehäuseoberteil und einem mit der Antriebseinrichtung zusammenwirkenden Antriebselement an einer unteren Gehäuseöffnung unten am Gehäuseoberteil, das durch Betätigen des Betätigungselement in Betätigungsrichtung nach unten verlagerbar ist, um einen Dosierhub der verlagerbaren Begrenzung auszuführen,
- Mittel zum lösbaren Verbinden, die das Gehäuseoberteil und das Gehäuseunterteil in einer Anordnung, in der das Antriebselement an dem Kontaktelement anliegt, zu einem stangenförmigen Gehäuse lösbar miteinander verbinden,
- einer Abwurfeinrichtung, die einen am Gehäuseunterteil verlagerbar angeordneten Abwurfschieber aufweist, der unten ein Abwurfende zum Lösen einer Pipettenspitze vom Ansatz hat, und die Abwurfeinrichtung ferner eine verlagerbar am Gehäuseoberteil angeordnete Abwurfverlängerung aufweist, die unten mit dem oberen Ende des Abwurfschiebers verbunden ist und oben ein Betätigungsende hat,
- einem im Gehäuseoberteil angeordneten, fest mit dem Gehäuseoberteil fest verbundenen Endanschlag und einem mit dem Antriebselement verbundenen Endanschlagelement zum Begrenzen der Verlagerung des Antriebselements nach unten,
- einer Entkopplungseinrichtung zwischen Antriebseinrichtung und Antriebselement, die bei Anlage des Endanschlagelements am Endanschlag und fortgesetzter Verlagerung des Betätigungselements in Betätigungsrichtung das Antriebselement von der Antriebseinrichtung entkoppelt, und
- einem mit der Antriebseinrichtung koppelbaren unteren Anschlagkörper, der bei Entkopplung des Antriebselements von der Antriebseinrichtung durch die Entkopplungseinrichtung auf das Betätigungsende der Abwurfverlängerung trifft, um bei weiterem Verlagern des Betätigungselements in Betätigungsrichtung die Abwurfverlängerung den Abwurfschieber nach unten zu verlagern.

Figure imgaf001
1. Pipette with
a displacement unit comprising a rod-shaped housing lower part with a displacement chamber arranged therein with a displaceable boundary, a contact element connected to the displaceable boundary at an upper housing opening at the top of the housing base, a projection for connection to a pipette tip at the bottom of the housing base and a connection channel between the displacement chamber and the free end of the approach,
- A drive unit for driving the displaceable boundary of the displacement unit in a rod-shaped housing upper part, disposed therein drive means, cooperating with the drive means actuator on the housing upper part and cooperating with the drive means drive element on a lower housing opening at the bottom of the housing top, by actuating the actuating element in the actuation direction is displaceable down to perform a Dosierhub the movable boundary,
- means for releasably connecting, the housing upper part and the lower housing part in an arrangement in which the drive element is applied to the contact element, releasably connect to a rod-shaped housing,
- A discharge device which has a displaceably arranged on the lower housing part discharge slide, which has a discharge end for releasing a pipette tip from the bottom approach, and the discharge device further comprises a displaceable arranged on the upper housing Abwurfverlängerung, which is connected at the bottom with the upper end of the discharge slide and above Operating end has,
a stop arranged fixedly in the upper housing part and fixedly connected to the upper housing part, and an end stop element connected to the drive element for limiting the displacement of the drive element downwards,
a decoupling device between the drive device and the drive element which decouples the drive element from the drive device when the end stop element bears against the end stop and continued displacement of the actuating element in the direction of actuation, and
- One can be coupled with the drive means lower stop body, which strikes in decoupling of the drive element of the drive means by the decoupling device on the operating end of the Abwurfverlängerung to relocate upon further displacement of the actuating element in the direction of actuation the discharge extension the discharge slide down.
Figure imgaf001
EP13000386.6A 2012-02-07 2013-01-26 Pipette Active EP2626134B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13000386T PL2626134T3 (en) 2012-02-07 2013-01-26 Pipette

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012002169.0A DE102012002169B4 (en) 2012-02-07 2012-02-07 pipette

Publications (3)

Publication Number Publication Date
EP2626134A2 EP2626134A2 (en) 2013-08-14
EP2626134A3 true EP2626134A3 (en) 2013-11-06
EP2626134B1 EP2626134B1 (en) 2017-03-01

Family

ID=47623907

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13000386.6A Active EP2626134B1 (en) 2012-02-07 2013-01-26 Pipette

Country Status (4)

Country Link
EP (1) EP2626134B1 (en)
CN (1) CN103447104B (en)
DE (1) DE102012002169B4 (en)
PL (1) PL2626134T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014109345A1 (en) 2014-07-04 2016-01-07 Eppendorf Ag Pipette for actuating a syringe
DE102016121813A1 (en) * 2016-11-14 2018-05-17 Ika-Werke Gmbh & Co. Kg Pipette and method for adjusting a volume of a pipette to be pipetted
DE202017101008U1 (en) * 2017-02-23 2018-05-24 Brand Gmbh + Co Kg Dispenser and system for receiving and dispensing fluid volumes
PL3680017T3 (en) * 2019-01-08 2022-02-07 Eppendorf Ag Pipette for use with a pipette tip
JP7315625B2 (en) * 2020-07-14 2023-07-26 エッペンドルフ エスイー Pipettes for use with pipette tips with integral plungers

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2319175A1 (en) * 1973-04-16 1974-10-31 Oxford Lab DETAIL PISTON PIPETTE
EP0181957A1 (en) * 1984-11-20 1986-05-28 HTL High-Tech Lab Herstellung und Vertrieb medizinisch technischer Erzeugnisse GmbH Adjustable-volume pipette
EP0364621A1 (en) * 1988-10-21 1990-04-25 Eppendorf-Netheler-Hinz Gmbh Pipetting device
EP0455043A2 (en) * 1990-05-04 1991-11-06 Eppendorf-Netheler-Hinz Gmbh Pipetting device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2549477C3 (en) * 1975-11-05 1982-01-07 Eppendorf Gerätebau Netheler + Hinz GmbH, 2000 Hamburg Pipetting device
DE19708151C2 (en) 1997-02-28 1999-05-27 Eppendorf Geraetebau Netheler Pipetting device
DE102004003434B4 (en) 2004-01-21 2006-06-08 Eppendorf Ag Pipetting device with a displacement device and a drive device detachably connected thereto
DE102005041183B3 (en) * 2005-08-31 2007-01-04 Eppendorf Ag Two-part pipetting system for metering liquids, has lower spigot which is secured in its holder by snap hooks with catches and released by wedge system actuated by movement of unlocking ring

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2319175A1 (en) * 1973-04-16 1974-10-31 Oxford Lab DETAIL PISTON PIPETTE
EP0181957A1 (en) * 1984-11-20 1986-05-28 HTL High-Tech Lab Herstellung und Vertrieb medizinisch technischer Erzeugnisse GmbH Adjustable-volume pipette
EP0364621A1 (en) * 1988-10-21 1990-04-25 Eppendorf-Netheler-Hinz Gmbh Pipetting device
EP0455043A2 (en) * 1990-05-04 1991-11-06 Eppendorf-Netheler-Hinz Gmbh Pipetting device

Also Published As

Publication number Publication date
DE102012002169B4 (en) 2017-02-09
CN103447104B (en) 2016-05-18
DE102012002169A1 (en) 2013-08-08
EP2626134B1 (en) 2017-03-01
CN103447104A (en) 2013-12-18
PL2626134T3 (en) 2017-08-31
EP2626134A2 (en) 2013-08-14

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