EP1479906A2 - Unité de pompage de laboratoire - Google Patents

Unité de pompage de laboratoire Download PDF

Info

Publication number
EP1479906A2
EP1479906A2 EP04008839A EP04008839A EP1479906A2 EP 1479906 A2 EP1479906 A2 EP 1479906A2 EP 04008839 A EP04008839 A EP 04008839A EP 04008839 A EP04008839 A EP 04008839A EP 1479906 A2 EP1479906 A2 EP 1479906A2
Authority
EP
European Patent Office
Prior art keywords
line
suction
pump
pipette
pump unit
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
EP04008839A
Other languages
German (de)
English (en)
Other versions
EP1479906B1 (fr
EP1479906A3 (fr
Inventor
Erich Becker
Erwin Hauser
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.)
KNF Neuberger GmbH
Original Assignee
KNF Neuberger GmbH
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 KNF Neuberger GmbH filed Critical KNF Neuberger GmbH
Publication of EP1479906A2 publication Critical patent/EP1479906A2/fr
Publication of EP1479906A3 publication Critical patent/EP1479906A3/fr
Application granted granted Critical
Publication of EP1479906B1 publication Critical patent/EP1479906B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/025—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir

Definitions

  • the invention relates to a laboratory pump unit a pump, the suction and / or pressure side with a pipette or the like fluid intake releasable is connectable, for sucking in or ejecting a Fluid.
  • Laboratory pump units of the type mentioned are already known to be in the laboratory bacteria, viruses and other pathogens and others, with contaminated life-threatening ingredients Liquids for further investigation for example being able to suck into a pipette without the life and health of the examiner Endanger laboratory personnel.
  • a laboratory pump unit has therefore already been created, which are functionally divided into a hand and a pump part is to make the handpiece as light and appropriate as possible to be easy to use.
  • Laboratory pump units their components in a pistol grip-like Housings are grouped together furthermore the disadvantage that the aspirated in the pipette Liquid after performing the tests from the Pipette removed and tested separately from the laboratory pump unit must be disposed of individually.
  • a solution to this problem according to the invention sees in particular before that to the one with the pipette or the like Fluid intake on the one hand and the pump on the other connected suction and / or pressure line a secondary line is connected, which is open to the atmosphere and to limit the intake or exhaust Air volume has a throttle.
  • a secondary line provided according to the invention is the Suction and / or exhaust speed in the suction and / or Pressure line limited to a maximum value.
  • the aspiration speed may be pipetted do not exceed the maximum value; therefore at the Laboratory pump unit according to the invention for suction required vacuum is limited to a maximum value.
  • This negative pressure can be generated by means of the throttle point be kept constant in the suction line leading secondary line is provided.
  • the ejection speed may also do not exceed a maximum value. That is why the overpressure required to eject it limited to a maximum value. This overpressure will generated and kept constant by means of the throttle point in the secondary line leaving the pressure line is provided.
  • the pump of the laboratory pump unit according to the invention is thus on the suction and pressure side in the "open" Pump operation with a precisely set line pressure in the suction and / or the pressure line operated by the Pump cannot be exceeded or fallen below.
  • a control valve is arranged, which as a throttle valve a cross-sectional change allowed in the suction line.
  • a control valve is arranged, which as a throttle valve a cross-sectional change allowed in the area of the pressure line. So it can Pipetting speed exactly between zero and one the throttling point set maximum or minimum value be regulated.
  • the laboratory pump unit according to the invention can therefore be connected also as a vacuum unit for filtration processes be used if the suction line with one required filtering device is connected. After that pipetted the nutrient solution, for example, and onto a Sample solution brought to this sample, for example the effectiveness of various antibiotics or others Test active ingredients.
  • the easy handling of the laboratory pump unit according to the invention is favored if a two or Multi-way valve is interposed, which is the pump on the suction side either with the pipette or the same fluid intake or with the suction line combines.
  • the manageability of the laboratory pump unit according to the invention To simplify even more, it is useful if the Intake opening of the suction line and the outlet opening of the Pressure line in one with the pipette or the like Fluid intake connectable and preferably pistol grip-shaped configured adapter are arranged and if the Adapter has at least one valve for optional connection the pipette or the like fluid intake with the suction or the pressure line.
  • a preferred embodiment according to the invention provides before that the pump as a diaphragm pump, especially as Diaphragm pump, is designed.
  • a diaphragm pump is characterized by its quiet running and is suitable therefore especially for the laboratory area.
  • the laboratory pump unit 1 shown here is for suction one particularly with pathogens or others life-threatening ingredients contaminated, gaseous or liquid fluids; she has one preferably as a diaphragm pump and in particular as a shaped diaphragm pump designed pump 3 on the suction side with a pipette 4 or the like fluid intake releasable is connectable.
  • the laboratory pump unit 1 shown here has one with the Suction side of the pump 3 connected suction line 6 and one the pressure side of the pump 3 connected pressure line 7. Both the suction opening of the suction line 6 and the Outlet opening of the pressure line 7 are in the as an adapter serving hand part 2 arranged with the pipette 4 or the same fluid intake is releasably connectable.
  • a check valve is interposed, which check valve can be operated alternately are.
  • the pressure line 6 is simultaneously 7 unlocked to in the pipette 4 or the like To expel fluid uptake. Is opposite the shut-off valve arranged in the pressure line 7 is closed, the suction line 6 is simultaneously activated in order a liquid or gaseous sample in the pipette 4 or to be able to suck in the same fluid intake.
  • secondary lines 9, 10 connected, which are open to the atmosphere are and which limit the suction or ejected air quantity each have a throttle point 11, 12 exhibit.
  • the one to be examined Liquid is sucked into the pipette 4 via the suction line 6, the air sucked in via the pressure line 7 and the secondary line 10 through the throttle point 12 and Muffler 15 is ejected.
  • the pipette 4 is the air required for emptying through the Throttle point 11 and the associated noise damper 15 sucked through the secondary line 9 and the suction line 6 and through the pressure line 7 in the detachable with the handpiece 2 connected pipette 4 blown.
  • control valve 13 In the suction line 6 is in the flow direction before the Branch line 9 connected line node a control valve 13 arranged.
  • the control valve 13 can Change cross section in the suction line 6 such that the Suction speed in the suction line 6 to the different sizes of pipettes or the like Fluid intake is to be adjusted or can be adjusted.
  • pressure line 7 is in the flow direction after the a control valve connected to the secondary line 10 14 arranged to change the cross section in the Pressure line 7 and to adjust the ejection speed to the different pipette sizes.
  • the silencers 15 provided that can also be designed as an air filter.
  • the pump 3 can optionally on the suction side either with the pipette 4 or the like fluid intake or can be connected to a suction line 8 into which a Drop separator and / or collecting container 16 interposed is.
  • the laboratory pump unit 1 can also be used as a vacuum unit for general filtration processes if the Suction line 8 at its line end facing away from the pump 3 is connected to a filtering device.
  • this Filtering device if necessary, also in the direction of flow can be arranged in front of the collecting container 16. expedient it is when between the collection container 16 and the Filtration device not shown here Control valve is interposed.
  • the suction opening of the suction line 6 and the outlet opening the pressure line 7 are in the form of a pistol grip Handpiece 2 designed adapter arranged. By Switching between those provided in handpiece 2 and two Push buttons operated valves can either be the Suction or emptying process started or be completed.
  • the pump part for example integrated under the laboratory table and / or as mobile mobile station can be designed.
  • the pump part for example integrated under the laboratory table and / or as mobile mobile station can be designed.
  • a clear function display and advantageous designed and placed controls will be easy Operability of the laboratory pump unit 1 for both right and also favored for left-handers.
  • the suction and the Pressure line 6, 7 associated side lines 9, 10 and throttle points 11, 12 arranged therein can be at Laboratory pump unit 1 shown here the pipetting speed particularly light and precise in one comparatively large setting range vary.
  • the pipetting speed is of any size used pipettes or the like liquid intakes individually adjustable in such a way that the optimal filling and Ejection speed is quick and easy to find.
  • the high performance of the laboratory pump unit 1 and the easy design of your hand part 2 without an im Hand part 2 integrated pump or battery promotes a fatigue-free Work.
  • the laboratory pumping unit 1 Dispose of the examined samples in the collecting container 16 allowed, a high security standard can be achieved. This high security standard is still favored if the Collection container 16 as spill-proof and / or autoclavable Glass bottle is designed. It is advantageous if the laboratory pump unit 1 has a sterile filter, which is a Suck liquid into the laboratory pump unit 1 and especially prevented in its pump part.
  • laboratory pump unit 1 a chemical-resistant and accordingly durable Diaphragm pump 2, which is also quiet Operating mode distinguished. It is a particular advantage of the Laboratory pump unit 1 shown here that this both Pipetting as well as ejecting the liquid samples used and disposing of these samples after they are done Examination allowed and thus three devices in one Device unit summarized.
  • the laboratory pump unit 1 is on the suction and pressure side in the "Open" pump operation with a precisely set one Line pressure in the suction and / or pressure line (6, 7) operated, which the pump (3) does not exceed or fall below can be.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
EP04008839A 2003-05-19 2004-04-14 Unité de pompage de laboratoire Expired - Fee Related EP1479906B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10322797A DE10322797B4 (de) 2003-05-19 2003-05-19 Labor-Pumpeinheit
DE10322797 2003-05-19

Publications (3)

Publication Number Publication Date
EP1479906A2 true EP1479906A2 (fr) 2004-11-24
EP1479906A3 EP1479906A3 (fr) 2005-11-09
EP1479906B1 EP1479906B1 (fr) 2007-01-24

Family

ID=33039228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04008839A Expired - Fee Related EP1479906B1 (fr) 2003-05-19 2004-04-14 Unité de pompage de laboratoire

Country Status (4)

Country Link
US (1) US20040241022A1 (fr)
EP (1) EP1479906B1 (fr)
JP (1) JP2004347599A (fr)
DE (2) DE10322797B4 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008531050A (ja) * 2005-03-01 2008-08-14 メドゥイミューン ヴァクシーンズ，インク． インフルエンザウイルス収集装置
DE102009048880A1 (de) 2009-10-09 2011-04-14 Asskea Gmbh Medizinisches Absauggerät
EP2633914B2 (fr) 2012-03-02 2020-04-08 Eppendorf AG Dispositif de pipetage et son procédé de fabrication
DE202015008778U1 (de) 2015-12-22 2017-03-24 Eppendorf Ag Pipettiervorrichtung
DE102015016603A1 (de) 2015-12-22 2017-06-22 Eppendorf Ag Pipettiervorrichtung und Verfahren zu ihrer Herstellung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039500A (en) * 1959-01-22 1962-06-19 Goldberg Moshe Levy Pipette filling and liquid dispensing device
US3197285A (en) * 1961-05-08 1965-07-27 Rosen Sidney Sampling machine
US3310002A (en) * 1965-10-18 1967-03-21 Robbin Lab Inc Pipette pump
AT313857B (de) * 1970-07-23 1974-03-11 Bio Science Labor Vorrichtung zum Halten, Füllen und Entleeren von auswechselbaren Pipetten
DE4032963A1 (de) * 1989-10-20 1991-05-02 Hitachi Ltd Fluessigphasenchromatographie-analysator, probenzufuehrung und verfahren zur vormarkierung
DE4119680A1 (de) * 1990-06-15 1992-01-09 Hitachi Ltd Automatisches analysegeraet
DE10002475C1 (de) * 2000-01-21 2001-05-31 Roche Diagnostics Gmbh Analysegerät zur Analyse von Proben

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719087A (en) * 1966-04-08 1973-03-06 R Thiers Pipetting apparatus and method
DE2643381C2 (de) * 1976-09-27 1984-02-16 Georg Spiess Gmbh, 8906 Gersthofen Dosierventil
EP0070571A3 (fr) * 1981-07-21 1985-09-25 BAXTER INTERNATIONAL INC. (a Delaware corporation) Commande pour distributeur de liquide automatisé
US5914047A (en) * 1997-06-30 1999-06-22 Grifco, Llc On-site biohazardous liquid medical waste collection and treatment system and method of using such system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039500A (en) * 1959-01-22 1962-06-19 Goldberg Moshe Levy Pipette filling and liquid dispensing device
US3197285A (en) * 1961-05-08 1965-07-27 Rosen Sidney Sampling machine
US3310002A (en) * 1965-10-18 1967-03-21 Robbin Lab Inc Pipette pump
AT313857B (de) * 1970-07-23 1974-03-11 Bio Science Labor Vorrichtung zum Halten, Füllen und Entleeren von auswechselbaren Pipetten
DE4032963A1 (de) * 1989-10-20 1991-05-02 Hitachi Ltd Fluessigphasenchromatographie-analysator, probenzufuehrung und verfahren zur vormarkierung
DE4119680A1 (de) * 1990-06-15 1992-01-09 Hitachi Ltd Automatisches analysegeraet
DE10002475C1 (de) * 2000-01-21 2001-05-31 Roche Diagnostics Gmbh Analysegerät zur Analyse von Proben

Also Published As

Publication number Publication date
EP1479906B1 (fr) 2007-01-24
DE10322797A1 (de) 2004-12-30
DE502004002729D1 (de) 2007-03-15
EP1479906A3 (fr) 2005-11-09
JP2004347599A (ja) 2004-12-09
US20040241022A1 (en) 2004-12-02
DE10322797B4 (de) 2006-09-14

Similar Documents

Publication Publication Date Title
DE19905645C1 (de) Filteraufsatz zur Vakuumfiltration
DE3441891C2 (fr)
DE2138831A1 (de) Zahnärztliche Absaugeinrichtung
EP2550983A1 (fr) Système stérile ferme et procédé pour filtrer des liquides biologiques ou médicaux, notamment le sang total
DE102004003104A1 (de) Griffrohr und mit einem solchen Griffrohr ausgestatteter Wirbelungs-Staubsauger
WO1998025539A1 (fr) Dispositif pour aspirer et collecter des particules osseuses
DE602004003993T2 (de) Pipettenkontrollvorrichtung
EP1479906A2 (fr) Unité de pompage de laboratoire
DE2343971A1 (de) Geraet zur fussbodenpflege
EP0139862B1 (fr) Pompe à air pour tube d'analyse de gaz
DE102015006182B4 (de) Vorrichtung zur Bohrmehlaufnahme
EP1702522B1 (fr) Procédé et dispositif pour obtenir des mélanges de gaz fumants
DE7603786U1 (de) Arbeitstisch zur Pflege von ärztlichen, insbesondere zahnärztlichen Instrumenten
EP0956806B1 (fr) Dispositif d'aspiration pour aspirer des saletés ou des matières contenant des saletés
CH711436A1 (de) Membranpumpe mit Medientrennung.
EP3922334B1 (fr) Unité de filtre pour un aspirateur et aspirateur
DE202006017097U1 (de) Vorrichtung zur Entnahme eines fließ- oder strömungsfähigen Mediums aus einem menschlichen oder tierischen Körper
EP3789051B1 (fr) Dispositif de collecte permettant de recevoir la sécrétion extraite, comprenant un filtre de liquide et un filtre d'agents pathogènes
EP3717095B1 (fr) Système de raccordement destiné à un dispositif d'aspiration d'un filtre à membrane sous vide
DE2138390A1 (de) Vakuumfiltriergeraet
DE19946707C2 (de) Absaugvorrichtung zum Absaugen von flüssigen Überständen aus offenen Behältnissen
CH717899A2 (de) Probenehmer zur Entnahme einer Speichelprobe.
DE10352296B4 (de) Endstück und Verfahren für die Vakuumabsaugung von partikelbeladenen Flüssigkeiten
DE20206368U1 (de) Vorrichtung zum Abfangen von Schmutz aus dem Luftstrom eines Staubsaugers
DE2317750C3 (de) Vorrichtung zum Trennen von Gasen und Flüssigkeiten und zum Filtern von Flüssigkeiten und Gasen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL HR LT LV MK

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL HR LT LV MK

RIC1 Information provided on ipc code assigned before grant

Ipc: 7F 04B 23/00 A

Ipc: 7F 04B 49/22 B

Ipc: 7G 01N 1/14 B

Ipc: 7B 01L 3/02 B

17P Request for examination filed

Effective date: 20051007

AKX Designation fees paid

Designated state(s): DE FR GB

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 502004002729

Country of ref document: DE

Date of ref document: 20070315

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20070502

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20071025

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CZ

Payment date: 20170505

Year of fee payment: 15

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20180424

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20180403

Year of fee payment: 15

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502004002729

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181101

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20190414

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190414

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190430