EP3661651A1 - Adaptateur pour la réception d'un capillaire et son utilisation - Google Patents

Adaptateur pour la réception d'un capillaire et son utilisation

Info

Publication number
EP3661651A1
EP3661651A1 EP18753130.6A EP18753130A EP3661651A1 EP 3661651 A1 EP3661651 A1 EP 3661651A1 EP 18753130 A EP18753130 A EP 18753130A EP 3661651 A1 EP3661651 A1 EP 3661651A1
Authority
EP
European Patent Office
Prior art keywords
adapter
cone
capillary
counter
counterpart
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.)
Pending
Application number
EP18753130.6A
Other languages
German (de)
English (en)
Inventor
Gerd Bornmann
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.)
Sartorius Automated Lab Solutions GmbH
Original Assignee
ALS Automated Lab Solutions 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 ALS Automated Lab Solutions GmbH filed Critical ALS Automated Lab Solutions GmbH
Publication of EP3661651A1 publication Critical patent/EP3661651A1/fr
Pending 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
    • B01L3/022—Capillary pipettes, i.e. having very small bore
    • 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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
    • C12M33/04—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by injection or suction, e.g. using pipettes, syringes, needles
    • 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
    • B01L2300/00—Additional constructional details
    • B01L2300/04—Closures and closing means
    • B01L2300/041—Connecting closures to device or container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0832—Geometry, shape and general structure cylindrical, tube shaped
    • B01L2300/0838—Capillaries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0848—Specific forms of parts of containers
    • B01L2300/0858—Side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/12—Specific details about materials
    • B01L2300/123—Flexible; Elastomeric
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N2035/1027—General features of the devices
    • G01N2035/103—General features of the devices using disposable tips

Definitions

  • the invention relates to an adapter for receiving a capillary according to the preamble of the independent claim 1.
  • the invention further relates to an adapter with capillary, an arrangement and a device with the adapter and a method under
  • micromanipulators are used to remove or add individual cells, cell components or small quantities of media.
  • This capillaries which are usually made of glass, used as a tool. The replacement of such a capillary is done manually and is usually tedious and prone to error.
  • the miniaturization of the experimental approaches has the consequence that very small volumes to handle, in particular to pipette, are.
  • the often used capillaries have opening sizes in the lower to middle micrometer range and have due to the very small volumes to be pumped in the nanoliter range down to the lowest
  • a device which has a tool head with a receptacle, which is formed from an inner cone and / or an outer cone and holds a removal tool in the form of a cannula, which has a suitable for receiving inner cone and / or outer cone ,
  • the conical recording leads to a
  • Recording the exchange capillary can be removed by means of a scraper again from the tool.
  • the invention is based on the object to propose a comparison with the prior art improved design of a removable capillary with an adapter and to achieve a high density and at the same time a high positioning accuracy.
  • the adapter is designed to receive a capillary and has a passage into which the capillary is received or can be accommodated.
  • the adapter has an adapter cone, which is designed for receiving in or on a correspondingly formed counter-cone.
  • the adapter cone consists of at least one section, which is provided and designed to bring it into contact with the counter-cone, made of an elastic material.
  • the elastic material is more elastic than the material of the counter-cone.
  • the elastic material has a modulus of elasticity
  • Polyvinyl chloride (PVC, 3 GPa), polyethylene terephthalate (PET, 3 GPa), polyetheretherketone (PEEK, 3.6 GPa), rubber (up to 0.05 GPa) or hard rubber (5 GPa).
  • the adapter cone can be designed either as an inner cone or as an outer cone.
  • the counter-cone is compatible with the adapter Matching counterpart is formed, designed as an inner or outer counter-cone.
  • the core of the invention is to connect the adapter safely and firmly with a correspondingly shaped and dimensioned counter-cone, so that high lateral forces can be absorbed and at the same time a reliable seal is achieved in particular a capillary located in the passage of the adapter.
  • the elastic material of the adapter cone ensures that despite occurring manufacturing tolerances, a high density is achieved.
  • the invention relates to the design and execution of a mechanical interface for easy automated recording and delivery of capillaries for the purpose of reliable, dense and low dead volume connection to a pump system.
  • the proposed invention succeeds in reproducing the position of the capillary very accurately after a change, which is of great importance for the positioning of the capillary tip to a small particle to be transported (for example cells with a size of about 10 ⁇ m).
  • the invention is intended for use in the fields of biology, pharmacology, biochemistry and medicine, in which capillaries for the serial uptake and passage of individual small particles, biological samples, cells or less
  • Liquid quantities are used in the nanoliter range.
  • the technical difficulty is solved to match the cone geometry of the adapter to the counter-cone geometry and at the same time ensure tightness and mechanical strength despite the design as a removable technical element. It is advantageously achieved that the upper end of the adapter cone, for example, also ends at the upper end of the mating cone, without due to manufacturing tolerances
  • the entire adapter cone consist of an elastic material which is much more elastic than the material of the counter-cone.
  • inventive design manufacturing tolerances are compensated and ensures a high density. In this case, however, the position accuracy can be reduced, creating a targeted recording of small objects, such. As cells, is difficult.
  • the adapter cone can consist of a much firmer material.
  • the elastic material may be glued to the adapter cone and / or inserted.
  • the adapter may for example also be produced by means of 2-component injection molding.
  • Section is formed in the region of the free end of the adapter cone.
  • the free end is the end of the adapter cone with which the adapter is placed on the counter cone.
  • the voltage applied to the counter cone material of the adapter cone is only less or not more elastic than the material of the counter cone.
  • the section with the elastic material is the section with the elastic material, so that after the insertion of the adapter on the counter cone an emerging
  • a seal may be present, through the action of an additional frontal sealing takes place.
  • This seal may also be part of the section of the elastic material.
  • the adapter cone may further comprise one, two or more sealing elements, which are formed for example in the form of sealing rings, sealing lips and / or O-rings. These sealing elements can be pushed or sprayed onto the adapter cone, for example, and advantageously run around the relevant circumference of the adapter cone.
  • a capillary may be arranged in the passage of the adapter. To avoid that the frontal seal at a deformation during the joining of the
  • Adapter cone with the counter cone narrows the passage or even closes, the seal can be easily inserted into the front of the adapter cone. Overlapping the capillary prevents unwanted reduction of the free cross section of the capillary
  • the adapter In order to be able to easily remove the adapter from the counter-cone, the adapter has a cross-sectional change on a region facing away from the adapter cone.
  • Change in cross section is designed to engage a gripping tool, ejector or scraper and realized, for example, as a groove, joint, step or bulge.
  • This change in cross section may also serve to magazine the adapter, preferably together with a capillary, in a storage container, for example a rack or other magazines, and to store it for example for automated removal.
  • the adapter can also be dispensed, for example, automated, to a storage vessel.
  • the counter-cone is formed on a counterpart, which is for example a part of a device such as a pipetting unit, a micromanipulator or a picker unit.
  • the counter-cone consists at least of its portion in contact with the adapter cone or in contact with the adapter cone of a material having an E-modulus of at least 20 GPa.
  • the counter cone made of V2A steel (180 GPa), brass (78 - 123 GPa) or ceramic (160 - 440 GPa).
  • the adapter which can optionally hold a capillary, and the counter cone an arrangement that allows a high position accuracy and at the same time can absorb high lateral forces.
  • the adapter is designed to work with one
  • the adapter cone and counter-cone can advantageously be based on conventional sizes and cone angle, as this example of
  • connection region of the counterpart is present, wherein the connection region is designed for releasably connecting the counterpart with a device.
  • the counterpart can be changed if, for example, differently sized adapters or differently dimensioned adapters with capillaries should be used.
  • an adapter tightly with a capillary
  • this can be glued or overmolded with the adapter, for example.
  • a seal may be present in the passage, through the action of which the capillary is sealed against the passage.
  • the capillary can be made of different materials such as glass, metal, ceramic, plastic or combinations thereof.
  • the adapter in particular together with the counterpart, can be used in a method of automatically changing capillaries.
  • the method may also be used to target bodies such as cells, small cell clusters, small particles (e.g.
  • the method may include the following steps:
  • capillary for receiving and / or transporting said bodies and / or volumes, - Wiping or discarding the adapter used, for example, by starting a fixed scraper or targeted delivery of the adapter in an addressable park or waiting position by means of an ejector, which may be integrated into the counterpart.
  • the method may also be practiced by using multiple adapters with capillaries in parallel to increase throughput.
  • Fig. 1 is a schematic representation of a first embodiment of a
  • FIG. 2 shows a schematic illustration of a first exemplary embodiment of a counterpart according to the invention, with a capillary in a perspective view;
  • Fig. 3 is a schematic representation of an inserted into the counterpart second
  • FIG. 4 shows a schematic representation of the inserted adapter, the capillary and the counterpart in a partial sectional illustration
  • FIG. 5 shows a schematic illustration of an enlarged detail of the inserted adapter, the capillary and the counterpart in a sectional view outlined by a circle in FIG.
  • Fig. 6 is a schematic representation of an enlarged detail of a third
  • FIG. 7 is a schematic representation of an enlarged detail of a fourth
  • Fig. 8 is a schematic representation of a fifth embodiment of a
  • FIG. 9 is a schematic representation of the plugged into the counterpart adapter with the capillary in a perspective view
  • FIG. 10 is a schematic representation of the adapter with capillary, the counterpart and a scraper
  • Fig. 1 1 is a schematic representation of a storage vessel in the form of a rack, an adapter with capillary and counterpart
  • Fig. 12 is a schematic representation of a device with counterpart, adapter and capillary.
  • adapter 1 in Fig. 1 is a capillary 3 in a passage 2 (see Fig. 4 to 7) of the adapter 1 inserted and connected tightly thereto.
  • the adapter 1 has a cross-sectional change 5 in the form of a rotationally symmetrical bulge.
  • connection region 8 is designed as an outer cone and serves to connect the counterpart 6 to a device 13 (see FIG. 12).
  • the adapter cone 4 is formed as an outer cone and the counter-cone 7 as an inner cone.
  • Inner cone and the counter-cone 7 may be formed as an outer cone.
  • Fig. 3 an inserted into the counterpart 6 adapter 1 is shown with a capillary 3 in a side view. It is the course of a sectional plane A-A along by counterpart 6, adapter 1 and capillary 3 indicated.
  • Section A-A shows the second embodiment of the adapter 1 according to the invention (FIG. 4). This has at a free end of the adapter cone 4 frontally a seal 9. The adapter cone 4 abuts against the mating cone 7 and extends to the rear end of the mating cone 7.
  • the adapter cone 4 and the mating cone 7 each consist of a hard material such as a metal , a metal alloy, ceramic or a hard one
  • the seal 9 is formed as an O-ring of an elastic material 10 and seals the inserted adapter 1 against the rear end of the mating cone 7 (FIG. 5).
  • the seal 9 is part of the adapter. 1
  • the seal 9 is not part of the adapter 1, but then there is the adapter cone 4 at least one, in particular frontal, portion of its surface of the elastic material.
  • the seal 9 may be combined in other embodiments with an adapter cone 4, which consists of at least a portion of the elastic material 10 or this has a portion.
  • the adapter 1 in the illustrated in the Fig. 6 third embodiment of the adapter 1 according to the invention whose adapter cone 4 via a first section 4.1 made of a hard material while a second section 4.2 an elastic material 10 is inserted into the adapter cone 4.
  • the elastic material 10 may also be applied to a region of the adapter 1 which has a smaller diameter than the adapter cone 4.
  • a seal 9 (not shown, see Fig. 5) may be provided at the free end of the adapter cone 4.
  • the illustrated in Fig. 7 fourth embodiment of the adapter 1 according to the invention in turn has a first section 4.1 of the adapter cone 4, which consists of a hard material.
  • the second section 4.2 is formed continuously from the elastic material 10.
  • FIG. 8 shows a fifth exemplary embodiment of the adapter 1.
  • sealing elements 16 are present, which are formed for example as O-rings and / or sealing lips.
  • FIG. 9 A perspective view of the plugged into the counterpart 6 adapter 1 with the capillary 3 is shown in Fig. 9.
  • the cross-sectional change 5 is used to engage a scraper 1 1, by the action of the adapter 1 can be pulled out of the counterpart 6.
  • the adapter 1 can be plugged into a slot of a storage vessel 12, for example a rack.
  • FIG. 1 1 shows in simplified form an adapter 1 stored in the storage container 12. If the counterpart 6 is attached to the adapter cone 4, the adapter 1 can be removed from the storage vessel 12.
  • the adapter 1, the capillary 3 and the counterpart 6 can be used as parts of a device 13 which is, for example, a pipetting unit, a cell sorter or micromanipulator (FIG. 12).
  • a device 13 which is, for example, a pipetting unit, a cell sorter or micromanipulator (FIG. 12).
  • the control of the device 13 and the generation of negative or positive pressure in the capillary 3 and movements for receiving the adapter 1, for dropping the adapter 1 and optionally for its positioning are coordinated and triggered by a control unit 14.

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

L'invention concerne un adaptateur (1) pour la réception d'un capillaire (3), comprenant - un passage (2), dans lequel le capillaire (3) est reçu ou peut être reçu, - un cône d'adaptateur (4) formé pour être reçu dans ou sur un contre-cône (7) de forme correspondante, caractérisé en ce que – le cône d'adaptateur (4) se compose, au moins dans une section (4.2) prévue pour le mettre en contact avec le contre-cône (7), d'un matériau élastique (10) qui est plus élastique que le matériau du contre-cône (7). L'invention concerne en outre un pendant (6) pour la connexion à l'adaptateur (1), un dispositif (13) et un procédé de changement automatique de capillaires (3).
EP18753130.6A 2017-08-04 2018-08-04 Adaptateur pour la réception d'un capillaire et son utilisation Pending EP3661651A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017117789.2A DE102017117789A1 (de) 2017-08-04 2017-08-04 Adapter zur Aufnahme einer Kapillare und dessen Verwendung
PCT/EP2018/071210 WO2019025626A1 (fr) 2017-08-04 2018-08-04 Adaptateur pour la réception d'un capillaire et son utilisation

Publications (1)

Publication Number Publication Date
EP3661651A1 true EP3661651A1 (fr) 2020-06-10

Family

ID=63168397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18753130.6A Pending EP3661651A1 (fr) 2017-08-04 2018-08-04 Adaptateur pour la réception d'un capillaire et son utilisation

Country Status (5)

Country Link
US (1) US11738335B2 (fr)
EP (1) EP3661651A1 (fr)
JP (2) JP2020529211A (fr)
DE (1) DE102017117789A1 (fr)
WO (1) WO2019025626A1 (fr)

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US11559802B2 (en) * 2011-07-20 2023-01-24 Avidien Technologies, Inc. Pipette tip adapter
DE102016109252A1 (de) * 2016-05-19 2017-11-23 Endress + Hauser Gmbh + Co. Kg Verfahren zum Herstellen eines Druckmittlersystems
GB201704760D0 (en) * 2017-01-05 2017-05-10 Illumina Inc Reagent nozzle sipper mixing system and method
DE102018104640A1 (de) 2018-02-28 2019-08-29 Als Automated Lab Solutions Gmbh Kalibriervorrichtung und Verfahren zur Ermittlung der räumlichen Ausrichtung einer an einer Halterung gehaltenen Kapillare
WO2020165617A1 (fr) * 2019-02-15 2020-08-20 Cellsorter Kft. Micro-pipette piézoélectrique
JP7261308B2 (ja) * 2019-09-03 2023-04-19 京セラ株式会社 ピペットチップ及びピペット
DE102020004956A1 (de) 2020-08-14 2022-02-17 Forschungszentrum Jülich GmbH Vorrichtung zum sterilen Flüssigkeitstransfer

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Also Published As

Publication number Publication date
US11738335B2 (en) 2023-08-29
US20200171480A1 (en) 2020-06-04
JP2020529211A (ja) 2020-10-08
DE102017117789A1 (de) 2019-02-07
JP2023106377A (ja) 2023-08-01
WO2019025626A1 (fr) 2019-02-07

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