EP0148333B1 - Einmalig verwendbare Pipettenspitze - Google Patents

Einmalig verwendbare Pipettenspitze Download PDF

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Publication number
EP0148333B1
EP0148333B1 EP84112251A EP84112251A EP0148333B1 EP 0148333 B1 EP0148333 B1 EP 0148333B1 EP 84112251 A EP84112251 A EP 84112251A EP 84112251 A EP84112251 A EP 84112251A EP 0148333 B1 EP0148333 B1 EP 0148333B1
Authority
EP
European Patent Office
Prior art keywords
tip
pipette
collar
disposable
pipette tip
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.)
Expired
Application number
EP84112251A
Other languages
English (en)
French (fr)
Other versions
EP0148333A1 (de
Inventor
Fred Gardner Williams
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.)
Novartis Vaccines and Diagnostics Inc
Original Assignee
Cetus Corp
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 Cetus Corp filed Critical Cetus Corp
Priority to AT84112251T priority Critical patent/ATE45304T1/de
Publication of EP0148333A1 publication Critical patent/EP0148333A1/de
Application granted granted Critical
Publication of EP0148333B1 publication Critical patent/EP0148333B1/de
Expired legal-status Critical Current

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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

Landscapes

  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Materials For Medical Uses (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • External Artificial Organs (AREA)

Claims (5)

1. Wegwerf-Pipettenspitze (10) mit einer langgestreckten konischen Röhre (11), deren schmales Ende (12) einen Flüssigkeitsdurchlaß ausbildet und deren breites Ende (13) das Ende einer Pipette (16) aufnimmt, wobei die Spitze (10) einem im wesentlichen zylindrischen Kragen (14) zum Aufnehmen des Endes der Pipette (16) aufweist, wobei der Kragen (14) in Axialrichtung mit dem breiten Ende (13) der konischen Röhre (11) ausgerichtet und in dieses geöffnet ist und einen Anschlag (17) zum Eingriff mit der Pipette (16) aufweist, um einen exakt kontrollierten Abstand von dem Ende der Pipette (16) zum schmalen Ende (12) der Pipettenspitze (10) zu fixieren, dadurch gekennzeichnet, daß der Kragen (14) eine innere umtaufende Dichtungsrippe (30) aufweist, die einen Reibungssitz ausbildet und mit der Seitenwand der Pipette abdichtet.
2. Wegwerf-Pipettenspitze nach Anspruch 1, dadurch gekennzeichnet, daß der Anschlag (17) als Schulter an der Verbindung des im wesentlichen zylindrischen Abschnitts (14) mit dem breiten Ende (13) der konischen Röhre (11) und/oder als ein odere mehrere radiale Vorsprünge (47) innerhalb des Kragens (14) und/oder als Rand (32) an der Öffnung des Kragens (14) ausgebildet ist.
3. Wegwerf-Pipettenspitze nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Kragen (14) einen größeren Durchmesser als der breite Ende (13) der konischen Röhre (11) aufweist.
4. Wegwerf-Pipettenspitze nach Anspruch 1, 2 oder 3, ferner dadurch gekennzeichnet, daß der Kragen (14) einen Neigungswinkel von weniger als 2° in Richtung auf seine Öffnung aufweist und die Öffnung (32) zur Aufnahme der Pipette (16) glockenförmig ist.
5. Wegwerf-Pipettenspitze nach Anspruch 1, 2, 3 oder 4, ferner dadurch gekennzeichnet, daß die Außenfläche der Spitze drei oder mehrere Stützstreifen (37) aufweist, die im wesentlichen parallel zur Achse der Spitze sind und genau oberhalb des axialen Schwerpunkts der Spitze (10) enden.
EP84112251A 1983-10-13 1984-10-11 Einmalig verwendbare Pipettenspitze Expired EP0148333B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84112251T ATE45304T1 (de) 1983-10-13 1984-10-11 Einmalig verwendbare pipettenspitze.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54167883A 1983-10-13 1983-10-13
US541678 1990-06-21

Publications (2)

Publication Number Publication Date
EP0148333A1 EP0148333A1 (de) 1985-07-17
EP0148333B1 true EP0148333B1 (de) 1989-08-09

Family

ID=24160607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84112251A Expired EP0148333B1 (de) 1983-10-13 1984-10-11 Einmalig verwendbare Pipettenspitze

Country Status (9)

Country Link
EP (1) EP0148333B1 (de)
JP (1) JPS60137443A (de)
AT (1) ATE45304T1 (de)
AU (1) AU565474B2 (de)
DE (2) DE3479298D1 (de)
DK (1) DK490984A (de)
FI (1) FI843976L (de)
NO (1) NO844093L (de)
NZ (1) NZ209865A (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4863695A (en) * 1987-04-28 1989-09-05 Hewlett-Packard Company Pipette assembly
GB8808583D0 (en) * 1988-04-12 1988-05-11 Flow Lab Pipette tip pickup apparatus
DE3824767A1 (de) * 1988-07-21 1990-02-01 Eppendorf Geraetebau Netheler Aufsteckbare pipettenspitze in form eines entsprechend einem aufsteckkopfstueck, insbesondere konus einer pipette, wenigstens abschnittsweise ausgefuehrten gefaesses
US5200151A (en) * 1990-05-21 1993-04-06 P B Diagnostic Systems, Inc. Fluid dispensing system having a pipette assembly with preset tip locator
US5232669A (en) * 1991-11-08 1993-08-03 Abbott Laboratories Pipette tip with self-aligning and self-sealing features
US5496523A (en) * 1994-05-06 1996-03-05 Sorenson Bioscience Filtered micropipette tip for high/low volume pipettors
EP1876451A3 (de) 1998-07-27 2012-02-29 Hitachi, Ltd. Handhabungsverfahren für eine Körperflüssigkeitsprobe und Analysevorrichtung damit
CN1179793C (zh) * 1998-11-06 2004-12-15 瑞宁器材公司 具有滴管尖端及安装轴的滴管
US6168761B1 (en) * 1998-11-06 2001-01-02 Rainin Instrument Co., Inc. Pipette with improved pipette tip and mounting shaft
DE19917375C2 (de) 1999-04-16 2001-09-27 Hamilton Bonaduz Ag Bonaduz Pipettiereinheit
US6596240B2 (en) * 2001-01-12 2003-07-22 Porex Corporation Pipette tip for easy mounting and ejecting from a pipette
US6973845B2 (en) * 2001-01-18 2005-12-13 Beckman Coulter, Inc. Low insertion force tip/mandrel
EP1329262B1 (de) * 2002-01-16 2009-08-19 Brand Gmbh + Co Kg Pipette und Verfahren zur Herstellung einer Pipette
DE10222511B4 (de) * 2002-05-22 2005-03-17 Eppendorf Ag Pipettenspitze
EP1862219B1 (de) 2006-05-29 2018-02-07 Qiagen GmbH Vorrichtung zur halterung von pipettenspitzen sowie pipettiervorrichtung
US7662343B2 (en) 2006-10-24 2010-02-16 Viaflo Corporation Locking pipette tip and mounting shaft
US7662344B2 (en) * 2006-10-24 2010-02-16 Viaflo Corporation Locking pipette tip and mounting shaft
US8277757B2 (en) 2009-09-29 2012-10-02 Integra Biosciences Corp. Pipette tip mounting shaft
JP6780338B2 (ja) * 2016-07-22 2020-11-04 ぺんてる株式会社 ピペットチップとそのピペットチップに装着されるノズルとの連結構造

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646817A (en) * 1968-10-25 1972-03-07 Bio Dynamics Inc Pipette
FI46328C (fi) * 1970-05-15 1973-03-12 Kone Oy Pipettikärkisarja erityisesti koneelliseen nesteannosteluun.
US3760639A (en) * 1972-10-20 1973-09-25 Bio Data Corp Pipette assembly
FR2305713A1 (fr) * 1975-03-25 1976-10-22 Faure Jean Distributeurs de volumes mesures de liquides
DE7518809U (de) * 1975-06-12 1978-09-14 Eppendorf Geraetebau Netheler & Hinz Gmbh, 2000 Hamburg Pipettenspitze

Also Published As

Publication number Publication date
AU565474B2 (en) 1987-09-17
FI843976L (fi) 1985-04-14
NO844093L (no) 1985-04-15
DE148333T1 (de) 1986-01-16
NZ209865A (en) 1988-02-12
DK490984A (da) 1985-04-14
JPS60137443A (ja) 1985-07-22
FI843976A0 (fi) 1984-10-10
EP0148333A1 (de) 1985-07-17
AU3418284A (en) 1985-04-18
DE3479298D1 (en) 1989-09-14
ATE45304T1 (de) 1989-08-15
DK490984D0 (da) 1984-10-12
JPH0457377B2 (de) 1992-09-11

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