EP3342485B1 - Holder for reagent elements - Google Patents
Holder for reagent elements Download PDFInfo
- Publication number
- EP3342485B1 EP3342485B1 EP17150044.0A EP17150044A EP3342485B1 EP 3342485 B1 EP3342485 B1 EP 3342485B1 EP 17150044 A EP17150044 A EP 17150044A EP 3342485 B1 EP3342485 B1 EP 3342485B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- assembly according
- plate
- holder
- support elements
- 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.)
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- 239000003153 chemical reaction reagent Substances 0.000 title claims description 31
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- 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
- B01L3/52—Containers specially adapted for storing or dispensing a reagent
-
- 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
- B01L3/52—Containers specially adapted for storing or dispensing a reagent
- B01L3/527—Containers specially adapted for storing or dispensing a reagent for a plurality of reagents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/52—Supports specially adapted for flat sample carriers, e.g. for plates, slides, chips
-
- 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
- B01L2200/026—Fluid interfacing between devices or objects, e.g. connectors, inlet details
- B01L2200/027—Fluid interfacing between devices or objects, e.g. connectors, inlet details for microfluidic devices
-
- 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
-
- 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
- B01L2200/16—Reagents, handling or storing thereof
-
- 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
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0829—Multi-well plates; Microtitration plates
-
- 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
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502707—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the manufacture of the container or its components
Definitions
- the invention relates to an arrangement of a multiplicity of carrier elements for a reagent which is to be introduced via the respective carrier element into a microfluidic device, in particular a flow cell, and a holder which holds the multiplicity of carrier elements, the respective carrier element being kept at least free by the holder one of the reagent-receiving areas of the support element is fixed in all spatial directions by positive locking, and the support elements are formed in a plug-like manner with only one reagent receiving area on one end face and an expansion comprising a handling area on the other end face, and the holder is a support plate with through-openings into which the Carrier elements can be used with the reagent receiving area ahead.
- the result is a flow cell that has an outwardly opening passage for introducing a dry reagent through a carrier element.
- the carrier element receiving the dry reagent By finally inserting the carrier element receiving the dry reagent into the passage, the dry reagent reaches the intended location within the flow cell and the carrier element closes the passage in a fluid-tight manner.
- the above EP 2 821 138 A1 also describes a holder which holds a large number of carrier elements provided with the dry reagent for processing in the process of flow cell production.
- the carrier plate with through openings receives plug-like carrier elements in a grid arrangement, the carrier elements having a receiving area for a reagent at one end and a handling area formed by a flange-like widening at the other end.
- the EP 1 792 654 A1 describes carrier elements in the form of an expanding cuvette.
- the cuvettes which are open on both sides, can be inserted into through-openings in a carrier plate, with one flange of the cuvettes abutting against the carrier plate.
- IT MI20 112 073 A An arrangement with the features mentioned above is the IT MI20 112 073 A refer to. This results in chambers for receiving cell cultures that are inserted into through openings in a two-part mounting plate.
- the chambers are defined in the through openings by connecting pieces protruding laterally between the plate parts and each containing a channel.
- the invention has for its object to facilitate the manufacture of reagents containing microfluidic flow cells.
- Such an arrangement according to the invention can advantageously be used both for processing the carrier elements, in particular for applying the dry reagent and possibly surface functionalization, and for holding the processed carrier elements ready for further processing in the manufacturing process of the flow cells.
- the carrier elements remain fixed to the holder in every processing position.
- An efficient process chain can be formed with the arrangement according to the invention.
- the carrier element is fixed by the holder while keeping a further area free, in particular a handling area separated from the receiving area for the dry reagent.
- a handling area separated from the receiving area for the dry reagent.
- the handling area that is kept free during the processing of the carrier elements can e.g. be labeled or marked.
- the carrier element is designed in a plug-like manner with the receiving area at one end and a handling area at the other end, the widening being formed at the other end.
- the holder receives the carrier elements, preferably arranged in one plane and in particular in a grid arrangement.
- the carrier element is fixed so that it can move with play.
- there is a play of the carrier element in the holder such that the carrier element can be removed from the holder without any force after the positive connection has been released. This considerably facilitates its further processing in the context of an automated manufacturing process, if necessary.
- the holder comprises a carrier plate with through-openings into which the carrier elements with the receiving area can be inserted, the carrier elements being fixed in each of the through-openings by the holding plate arranged behind the flanges in the insertion direction and connected to the carrier plate.
- the holding plate preferably also has through openings which are aligned with the carrier elements inserted into the through openings in the carrier plate. At least part of the handling area remains freely accessible for processing.
- the carrier plate is preferably connected to a frame and in particular arranged sunk into the frame.
- the holding plate can also expediently be lowered into the frame and can preferably be connected to the frame by latching.
- the frame preferably has dimensions such that the reagent receiving areas of the carrier elements are arranged sunk into the frame.
- this arrangement allows holders provided with occupied support elements to be stacked in a space-saving manner without affecting the dry reagents.
- a separate locking mechanism for fixing the carrier element in all spatial directions can be assigned to each through opening of the carrier plate, this locking mechanism being e.g. has elastic locking levers which snap in behind the widening, in particular in a paired diametrical arrangement, with a sliding bevel for unlocking.
- the sliding bevels can be aligned with each other in such a way that all locking levers can be unlocked simultaneously with the aid of a stamping tool.
- the carrier plate is formed in several parts from carrier plate parts. Accordingly, the frame has a number of compartments which receive the plates, for example by latching.
- the carrier plate and the frame are formed in one piece from a deep-drawn film.
- holder areas made of frame and carrier plates made of deep-drawn film are connected to one another to form a band, and the holding plate is designed as a continuous film band.
- the arrangement shown comprises carrier elements 1 for a reagent which is to be introduced into a microfluidic flow cell (not shown) and a holder 2 which receives the carrier elements 1 in a flat grid arrangement.
- carrier elements 1 and the parts of the holder 2 in particular by injection molding, come for example plastics such as PP, PMMA, PC, PS, PE and PEEK into consideration, but also glass, metal, ceramics, composite materials or combinations of different materials such as a plastic body with a local or complete glass or metal coating.
- the carrier elements 1 are plug-shaped with a slightly conical section 3 and an expansion 4 in the form of a flange at one end.
- a depression in the ring at the other end in the example forms a receiving area 5 for the reagent.
- the multi-part holder 2 comprises a carrier plate 6 and a holding plate 7 which fixes the carrier elements 1 to the carrier plate 6.
- the carrier plate 6 is connected in one piece to a frame 8, the frame 8 protruding from the carrier plate 6 on both sides of the carrier plate 6 perpendicular to the plane of the plate. That is, the carrier plate 6 is sunk into the frame 8.
- the frame 8 has reinforcing beads and ribs distributed over its circumference.
- Through openings 9 formed in a grid in the support plate 6 serve to receive the support elements 1, which can be inserted into the through openings 9 until the expansion 4 stops against the support plate 6.
- the receiving area 5 protrudes from the carrier plate 6 and the carrier element 1 has less play in the through opening 9 parallel to the plane of the plate.
- the play is preferably less than 0.1 mm, in particular 0.05 mm.
- the receiving area 5 of the carrier elements 1 is set back with respect to a surface 21 of the frame 8 which is parallel to the plate plane.
- the holding plate 7 forms a lock in the insertion direction behind the widening 4 of the carrier elements 1, so that the carrier elements 1 are fixed in the holder 2 in all spatial directions, apart from the slight play parallel to the plane of the plate.
- the holding plate 7 can be snapped onto the frame 8 via elastic locking elements 11 and 12. On its side facing away from the carrier plate 6, the holding plate 7 has a stabilizing honeycomb structure 13 that avoids material accumulation. The holding plate 7 is sunk into the frame 8 in the locked state.
- the frame 8 has a circumferentially widened end edge 14, which forms a stack seat 15, on which one in a stack according Fig. 8 adjacent arrangement with the frame surface 21 rests. How Fig. 8 shows, stack packs can be formed, in which the reagents are protected from contact by the offset of the receiving areas 5 to the surface 21.
- the stack packages can be sealed in foil and, if necessary, vacuumed or placed under protective gas.
- Fig. 9 shows a compared to the embodiment of Fig. 1 downsized embodiment.
- Fig. 10 shows an embodiment with a carrier plate formed from four carrier plate parts 16, wherein the carrier plate parts 16 can be clipped into a frame 8 having cross struts 17. Likewise, four clip-on holding plate parts 18 are formed, which are congruent with the supporting plate parts 16 in the example.
- the carrier plate parts 16 and holding plate parts 18 are, for example, metallic, possibly etched stamped parts.
- Fig. 10 shows an empty frame compartment, a frame compartment with a carrier plate part 16, a frame compartment with an equipped carrier plate part 16 and a frame compartment with a (not visible) carrier plate part 16 and a holding plate part 18.
- Fig. 11 shows a support plate 6 integrally connected to a frame 8 with through openings 9, with each individual through opening 9 being assigned a separate holding mechanism for a support element 1, by means of which a support plate common to all support elements 1 is unnecessary.
- each holding mechanism has four, elastically bendable latching levers 19, which are connected in one piece to the carrier plate 6, in pairs in a diametrical arrangement, which are behind the widening 4 of the carrier element in question 1 snap in and reach behind the carrier elements 1.
- bracket parts are not made as in the previous embodiments by injection molding or printing or from metal but only from film material.
- the arrangement shown comprises a band in which successive holding regions 25 with frames 8 and carrier plates 6 are formed by deep drawing in the longitudinal direction of the band and through openings 9 for punching carrier elements 1 are punched into the carrier plates 6.
- the deep-drawn tape has perforated edges 22, whereby transport means can engage in the perforation holes.
- a holding plate holding the carrier elements 1 in the carrier plate 6 is designed continuously as a film tape 24 and is glued to the tape containing the carrier plates 6.
- a continuous cover 23 as a band covers the recessed exposed areas of the carrier elements 1.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Description
Die Erfindung betrifft eine Anordnung aus einer Vielzahl von Trägerelementen für ein Reagenz, das über das jeweilige Trägerelement in eine mikrofluidische Einrichtung, insbesondere Flusszelle, einzubringen ist, und aus einer die Vielzahl von Trägerelementen aufnehmenden Halterung, wobei das jeweilige Trägerelement durch die Halterung unter Freihaltung wenigstens eines das Reagenz aufnehmenden Bereichs des Trägerelements in sämtlichen Raumrichtungen durch Formschluss festgelegt ist und wobei die Trägerelemente pfropfenartig mit nur einem Reagenzaufnahmebereich an einer Stirnseite und einer einen Handhabungsbereich umfassenden Aufweitung an der anderen Stirnseite ausgebildet sind und wobei die Halterung eine Trägerplatte mit Durchgangsöffnungen, in welche die Trägerelemente mit dem Reagenzaufnahmebereich voran einsetzbar sind, aufweist.The invention relates to an arrangement of a multiplicity of carrier elements for a reagent which is to be introduced via the respective carrier element into a microfluidic device, in particular a flow cell, and a holder which holds the multiplicity of carrier elements, the respective carrier element being kept at least free by the holder one of the reagent-receiving areas of the support element is fixed in all spatial directions by positive locking, and the support elements are formed in a plug-like manner with only one reagent receiving area on one end face and an expansion comprising a handling area on the other end face, and the holder is a support plate with through-openings into which the Carrier elements can be used with the reagent receiving area ahead.
Im Zuge der Herstellung Reagenzien enthaltender mikrofluidischer Flusszellen (Lab on chip) hat es sich als vorteilhaft erwiesen, die Einbringung der Reagenzien in einer späten Produktionsphase mit Hilfe gesonderter, abschließend in die Flusszelle einzubauender Trägerelemente durchzuführen. Beeinträchtigungen eingebrachter Reagenzien, z.B. durch nachträgliche Klebe- oder Schweißarbeiten, lassen sich so vermeiden.In the course of the production of microfluidic flow cells (lab on chip) containing reagents, it has proven to be advantageous to carry out the introduction of the reagents in a late production phase with the aid of separate carrier elements which are finally to be installed in the flow cell. Impairment of introduced reagents, e.g. through subsequent gluing or welding work can be avoided.
Aus der
Eine Anordnung aus einer Trägerplatte und Trägerelementen geht aus der
Die
Eine Anordnung mit den eingangs erwähnten Merkmalen ist der
Der Erfindung liegt die Aufgabe zugrunde, die Fertigung Reagenzien enthaltender mikrofluidischer Flusszellen zu erleichtern.The invention has for its object to facilitate the manufacture of reagents containing microfluidic flow cells.
Diese Aufgabe wird durch eine Anordnung der eingangs erwähnten Art gelöst, die dadurch gekennzeichnet ist, dass die Aufweitung der Trägerelemente durch einen Flansch gebildet ist und die Trägerelemente in die Durchgangsöffnung bis zum Anschlag des Flansches gegen die Trägerplatte einführbar sind, wobei in der Anschlagstellung die Trägerelemente mit dem Reagenzaufnahmebereich von der Trägerplatte vorstehen, und dass an dem Flansch auf seiner der Trägerplatte abgewandten Seite eine allen Trägerelementen gemeinsame, mit der Trägerplatte verbundene Halteplatte oder ein gesonderter, jeder der Durchgangsöffnungen zugeordneter Verriegelungsmechanismus angreift.This object is achieved by an arrangement of the type mentioned at the outset, which is characterized in that the widening of the support elements is formed by a flange and the support elements can be inserted into the through opening until the flange stops against the support plate, the support elements in the stop position protrude from the carrier plate with the reagent receiving area, and that a retaining plate common to all carrier elements and connected to the carrier plate or a separate locking mechanism assigned to each of the through openings engages on the flange on its side facing away from the carrier plate.
Vorteilhaft lässt sich eine solche Anordnung nach der Erfindung sowohl zur Bearbeitung der Trägerelemente, insbesondere zur Aufbringung des Trockenreagenz und ggf. Oberflächenfunktionalisierung, als auch zur Bereithaltung der bearbeiteten Trägerelemente für die Weiterverarbeitung im Fertigungsprozess der Flusszellen nutzen. Die Trägerelemente bleiben in jeder Bearbeitungsstellung an der Halterung fixiert. Mit der erfindungsgemäßen Anordnung lässt sich eine effiziente Prozesskette bilden.Such an arrangement according to the invention can advantageously be used both for processing the carrier elements, in particular for applying the dry reagent and possibly surface functionalization, and for holding the processed carrier elements ready for further processing in the manufacturing process of the flow cells. The carrier elements remain fixed to the holder in every processing position. An efficient process chain can be formed with the arrangement according to the invention.
Erfindungsgemäß ist das Trägerelement durch die Halterung unter Freihaltung eines weiteren Bereichs festgelegt, insbesondere eines von dem Aufnahmebereich für das Trockenreagenz abgesetzten Handhabungsbereichs. So kann der freigehaltene Handhabungsbereich im Rahmen der Bearbeitung der Trägerelemente z.B. beschriftet oder markiert werden.According to the invention, the carrier element is fixed by the holder while keeping a further area free, in particular a handling area separated from the receiving area for the dry reagent. For example, the handling area that is kept free during the processing of the carrier elements can e.g. be labeled or marked.
Erfindungsgemäß ist das Trägerelement pfropfenartig mit dem Aufnahmebereich an einem Stirnende und einem Handhabungsbereich am anderen Stirnende ausgebildet, wobei an dem anderen Ende die Aufweitung gebildet ist.According to the invention, the carrier element is designed in a plug-like manner with the receiving area at one end and a handling area at the other end, the widening being formed at the other end.
Die Halterung nimmt die Trägerelemente vorzugsweise unter Anordnung in einer Ebene und insbesondere in einer Rasteranordnung auf.The holder receives the carrier elements, preferably arranged in one plane and in particular in a grid arrangement.
In einer besonders bevorzugten Ausführungsform der Erfindung ist das Trägerelement durch die Halterung spielbeweglich festgelegt. Insbesondere besteht ein Spiel des Trägerelements in der Halterung derart, dass sich das Trägerelement nach Lösung des Formschlusses aus der Halterung ohne Kraftaufwand entnehmen lässt. Dies erleichtert erheblich seine Weiterverarbeitung im Rahmen eines ggf. automatisierten Fertigungsprozesses.In a particularly preferred embodiment of the invention, the carrier element is fixed so that it can move with play. In particular, there is a play of the carrier element in the holder such that the carrier element can be removed from the holder without any force after the positive connection has been released. This considerably facilitates its further processing in the context of an automated manufacturing process, if necessary.
Erfindungsgemäß umfasst die Halterung eine Trägerplatte mit Durchgangsöffnungen, in welche die Trägerelemente mit dem Aufnahmebereich voran einsetzbar sind, wobei die Trägerelemente jeweils in den Durchgangsöffnungen durch die in Einsteckrichtung hinter den Flanschen angeordnete, mit der Trägerplatte verbundene Halteplatte festgelegt sind. Durch Verbindung mit einer solchen, allen Trägerelementen gemeinsamen Halteplatte lässt sich eine Vielzahl vorab in die Durchgangsöffnungen eingesteckter Trägerelemente in der Halterung in einem einzigen Arbeitsgang fixieren.According to the invention, the holder comprises a carrier plate with through-openings into which the carrier elements with the receiving area can be inserted, the carrier elements being fixed in each of the through-openings by the holding plate arranged behind the flanges in the insertion direction and connected to the carrier plate. By connecting such a support plate common to all support elements, a large number of support elements inserted in advance into the through openings can be fixed in the holder in a single operation.
Vorzugsweise weist auch die Halteplatte Durchgangsöffnungen auf, die zu den in die Durchgangsöffnungen in der Trägerplatte eingesetzten Trägerelementen ausgerichtet sind. So bleibt wenigstens ein Teil des Handhabungsbereichs für eine Bearbeitung frei zugänglich.The holding plate preferably also has through openings which are aligned with the carrier elements inserted into the through openings in the carrier plate. At least part of the handling area remains freely accessible for processing.
Die Trägerplatte ist vorzugsweise mit einem Rahmen verbunden und insbesondere in den Rahmen hinein eingesenkt angeordnet.The carrier plate is preferably connected to a frame and in particular arranged sunk into the frame.
Zweckmäßig ist auch die Halteplatte in den Rahmen hinein versenkbar und lässt sich vorzugsweise unter Einrastung mit dem Rahmen verbinden.The holding plate can also expediently be lowered into the frame and can preferably be connected to the frame by latching.
Der Rahmen weist vorzugsweise solche Abmessungen auf, dass die Reagenzaufnahmebereiche der Trägerelemente in den Rahmen hinein versenkt angeordnet sind. Vorteilhaft erlaubt diese Anordnung, mit belegten Trägerelementen versehene Halterungen ohne Beeinträchtigung der Trockenreagenzien platzsparend zu stapeln.The frame preferably has dimensions such that the reagent receiving areas of the carrier elements are arranged sunk into the frame. Advantageously, this arrangement allows holders provided with occupied support elements to be stacked in a space-saving manner without affecting the dry reagents.
Alternativ zu der Halteplatte kann erfindungsgemäß jeder Durchgangsöffnung der Trägerplatte ein gesonderter Verriegelungsmechanismus zur Festlegung des Trägerelements in sämtlichen Raumrichtungen zugeordnet sein, wobei dieser Verriegelungsmechanismus z.B. elastische, hinter der Aufweitung einrastende Rasthebel, insbesondere in paarweise diametraler Anordnung, mit einer Gleitschräge zur Entriegelung aufweist. Die Gleitschrägen können zueinander derart ausgerichtet sein, dass mit Hilfe eines Stempelwerkzeugs gleichzeitig eine Entriegelung aller Rasthebel erfolgen kann.As an alternative to the holding plate, according to the invention a separate locking mechanism for fixing the carrier element in all spatial directions can be assigned to each through opening of the carrier plate, this locking mechanism being e.g. has elastic locking levers which snap in behind the widening, in particular in a paired diametrical arrangement, with a sliding bevel for unlocking. The sliding bevels can be aligned with each other in such a way that all locking levers can be unlocked simultaneously with the aid of a stamping tool.
In einer weiteren Ausführungsform ist die Trägerplatte mehrteilig aus Trägerplattenteilen gebildet. Entsprechend weist der Rahmen mehrere, die Platten, z.B. unter Einrastung, aufnehmende Fächer auf.In a further embodiment, the carrier plate is formed in several parts from carrier plate parts. Accordingly, the frame has a number of compartments which receive the plates, for example by latching.
In einer Ausführungsform sind die Trägerplatte und der Rahmen einstückig aus einer tiefgezogenen Folie gebildet. Insbesondere sind Halterbereiche aus Rahmen und Trägerplatten aus tiefgezogener Folie zu einem Band miteinander verbunden und die Halteplatte als durchgehendes Folienband ausgebildet. Eine solche Anordnung ist aufrollbar und eine Vielzahl vorbereiteter, mit einem Trockenreagenz versehener Trägerelemente lässt sich, wie bei Stapelung der Anordnungen, in kompakter Form bereithalten.In one embodiment, the carrier plate and the frame are formed in one piece from a deep-drawn film. In particular, holder areas made of frame and carrier plates made of deep-drawn film are connected to one another to form a band, and the holding plate is designed as a continuous film band. Such an arrangement can be rolled up and a large number of prepared carrier elements provided with a dry reagent can be kept in a compact form, as when the arrangements are stacked.
Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen und der beiliegenden, sich auf diese Ausführungsbeispiele beziehenden Zeichnungen weiter erläutert. Es zeigen:
- Fig. 1
- eine erfindungsgemäße Anordnung in Explosionsdarstellung in perspektivischer Ansicht,
- Fig. 2
- in der Anordnung von
Fig. 1 verwendete Reagenzträgerelemente in verschiedenen perspektivischen Ansichten, - Fig. 3
- die Anordnung von
Fig. 1 in einer weiteren perspektivischen Ansicht in Explosionsdarstellung, - Fig. 4 und 5
- die Anordnung von
Fig. 1 im zusammengebauten Zustand in verschiedenen perspektivischen Ansichten, - Fig. 6 und 7
- Details der Anordnung von
Fig. 4 und 5 , - Fig. 8
- mehrere der Anordnungen von
Fig. 4 und 5 im gestapelten Zustand, - Fig. 9 und 10
- weitere Ausführungsbeispiele für eine erfindungsgemäße Anordnung in perspektivischen Ansichten,
- Fig. 11
- einen alternativen Haltermechanismus für Reagenzträgerelemente, und
- Fig. 12 bis 15
- ein drittes Ausführungsbeispiel für eine erfindungsgemäße Anordnung mit einer teilweise aus tiefgezogenem Folienmaterial hergestellten Halterung.
- Fig. 1
- an arrangement according to the invention in an exploded view in perspective view,
- Fig. 2
- in the order of
Fig. 1 reagent carrier elements used in different perspective views, - Fig. 3
- the arrangement of
Fig. 1 in another perspective view in an exploded view, - 4 and 5
- the arrangement of
Fig. 1 in the assembled state in different perspective views, - 6 and 7
- Details of the arrangement of
4 and 5 , - Fig. 8
- several of the arrangements of
4 and 5 when stacked, - 9 and 10
- further exemplary embodiments of an arrangement according to the invention in perspective views,
- Fig. 11
- an alternative holder mechanism for reagent carrier elements, and
- 12 to 15
- a third embodiment of an arrangement according to the invention with a holder partially made of deep-drawn film material.
Eine in den
Wie insbesondere
Der mehrteilige Halter 2 umfasst eine Trägerplatte 6 und eine die Trägerelemente 1 an der Trägerplatte 6 fixierende Halteplatte 7.The
Die Trägerplatte 6 ist in dem Beispiel einstückig mit einem Rahmen 8 verbunden, wobei der Rahmen 8 auf beiden Seiten der Trägerplatte 6 von der Trägerplatte 6 senkrecht zur Plattenebene vorsteht. Das heißt, die Trägerplatte 6 ist in den Rahmen 8 hinein versenkt.In the example, the
Wie die Figuren erkennen lassen, weist der Rahmen 8 verteilt über seinen Umfang verstärkende Sicken und Rippen auf.As can be seen from the figures, the
In der Trägerplatte 6 in einem Raster gebildete Durchgangsöffnungen 9 dienen der Aufnahme der Trägerelemente 1, die in die Durchgangsöffnungen 9 bis zum Anschlag der Aufweitung 4 gegen die Trägerplatte 6 einsteckbar sind. In letzterem Zustand (
Die Halteplatte 7 bildet in Einsteckrichtung hinter der Aufweitung 4 der Trägerelemente 1 eine Sperre, so dass die Trägerelemente 1 in der Halterung 2 in sämtlichen Raumrichtungen, von dem leichten Spiel parallel zur Plattenebene abgesehen, festgelegt sind.The holding plate 7 forms a lock in the insertion direction behind the widening 4 of the
Wie insbesondere
Die Halteplatte 7 ist über elastische Rastelemente 11 und 12 an dem Rahmen 8 einrastbar. Auf ihrer der Trägerplatte 6 abgewandten Seite weist die Halteplatte 7 eine Materialhäufung meidende, stabilisierende Wabenstruktur 13 auf. Die Halteplatte 7 ist im eingerasteten Zustand in den Rahmen 8 hinein versenkt.The holding plate 7 can be snapped onto the
Der Rahmen 8 weist einen umlaufend aufgeweiteten Endrand 14 auf, der einen Stapelsitz 15 bildet, auf dem eine in einem Stapel gemäß
In dem gezeigten Beispiel weist jeder Haltemechanismus vier, einstückig mit der Trägerplatte 6 verbundene, elastisch abbiegbare Rasthebel 19 in paarweise diametraler Anordnung auf, die hinter der Aufweitung 4 des betreffenden Trägerelements 1 einrasten und das Trägerelemente 1 hintergreifen. Die einander paarweise diametral gegenüberliegenden Rasthebel 19 weisen jeweils eine Gleitschräge 20 auf, so dass durch ein Stempelwerkzeug eine gemeinsame Aufspreizung aller vier Rasthebel und dadurch Lösung der Verriegelung möglich ist.In the example shown, each holding mechanism has four, elastically bendable latching levers 19, which are connected in one piece to the
Die
Die gezeigte Anordnung umfasst ein Band, in dem durch Tiefziehen in Bandlängsrichtung aufeinanderfolgende Haltebereiche 25 mit Rahmen 8 und Trägerplatten 6 gebildet und Durchgangsöffnungen 9 für die Aufnahme von Trägerelementen 1 in die Trägerplatten 6 gestanzt sind. Das tiefgezogene Band weist perforierte Ränder 22 auf, wobei in die Perforationslöcher Transportmittel eingreifen können.The arrangement shown comprises a band in which
Eine die Trägerelemente 1 in der Trägerplatte 6 festhaltende Halteplatte ist durchgehend als Folienband 24 ausgeführt und mit dem die Trägerplatten 6 enthaltenden Band verklebt. Eine als Band durchgehende Abdeckung 23 deckt die zurückgesetzt freiliegenden Aufnahmebereiche der Trägerelemente 1 ab.A holding plate holding the
Die in
Claims (13)
- Assembly from a multiplicity of support elements (1) for a reagent which by way of the respective support element (1) is to be incorporated in a microfluidic installation, in particular a flow cell, and from a holder (2) which receives the multiplicity of support elements (1), wherein the respective support element (1), while keeping vacant at least a region (5) of the support element (1) which receives the reagent, is secured in all spatial directions by the holder (2) by way of a form-fit,
wherein the support elements (1) in the manner of a plug are configured having a reagent receptacle region (5) at one end side and a widening (4) which comprises a handling region at the other end side, and the holder (2) has a support plate (6) having passage openings (9) which are formed in a modular grid and in which the support elements (1) are able to be inserted with the reagent receptacle region (5) leading, and wherein
the widening (4) of the support elements (1) is formed by a flange and the support elements (1) by way of a slightly conical portion (3) are able to be introduced into the passage openings (9) until the flange (4) stops on the support plate (6) so as to have minor play parallel to the plate plane, wherein the support elements (1) in the stop position by way of the reagent receptacle region project from the support plate (6),
characterized in that
a holding plate (7) which is common to all support elements (1) and is connected to the support plate (6), or a dedicated locking mechanism which is assigned to each of the passage openings (9), engages on the flange (4) on the side thereof that faces away from the support plate (6). - Assembly according to Claim 1,
characterized in that
the support element (1), while keeping vacant a further region, in particular a region which is offset from the reagent receptacle region (5) and preferably serves for handling the support element (1), is secured by the holder (2). - Assembly according to Claim 1 or 2,
characterized in that
the holder (2), while disposing the support elements (1) in a plane, preferably in a modular grid arrangement, is configured for receiving the support elements (1). - Assembly according to one of Claims 1 to 3,
characterized in that
the support element (1) is secured by the holder (2) so as to be movable by way of play. - Assembly according to one of Claims 1 to 4,
characterized in that
the holding plate (7) has passage openings (10) which are aligned with the support elements (1) inserted in the passage openings (9). - Assembly according to one of Claims 1 to 5,
characterized in that
the support plate (6) is connected to a frame (8) and is preferably disposed so as to be sunk into the frame (8). - Assembly according to Claim 6,
characterized in that
the holding plate (7) is able to be sunk into the frame (8) and is preferably able to be connected to the frame (8) by latching. - Assembly according to Claim 6 or 7,
characterized in that
the reagent receptacle regions (4) of the support elements (1) are disposed so as to be sunk into the frame (8). - Assembly according to one of Claims 1 to 8,
characterized in that
the locking mechanism has elastic latching levers (15) which are diametrically disposed in pairs and latch behind the widening and for unlocking have a sliding chamfer (20). - Assembly according to one of Claims 1 to 9,
characterized in that
the support plate (6) is configured in multiple parts from support plate parts (16). - Assembly according to one of Claims 1 to 10,
characterized in that
the assembly is able to be stacked. - Assembly according to one of Claims 1 to 11,
characterized in that
the support plate (6) and the frame (8) are formed integrally from a vacuum-formed film. - Assembly according to Claim 12,
characterized in that
holding regions (25) composed of frames (8) and the support plates (6) from vacuum-formed film are connected to one another so as to form a strip, and the holding plate is configured as a continuous film strip (24) and/or a plurality of holding regions are able to be rolled up.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17150044.0A EP3342485B1 (en) | 2017-01-02 | 2017-01-02 | Holder for reagent elements |
| PCT/EP2017/081543 WO2018121961A1 (en) | 2017-01-02 | 2017-12-05 | Holder for reagent tray elements |
| CN201780082071.2A CN110198784B (en) | 2017-01-02 | 2017-12-05 | Supports for reagent carrier elements |
| US16/475,455 US11071984B2 (en) | 2017-01-02 | 2017-12-05 | Holder for reagent tray elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17150044.0A EP3342485B1 (en) | 2017-01-02 | 2017-01-02 | Holder for reagent elements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3342485A1 EP3342485A1 (en) | 2018-07-04 |
| EP3342485B1 true EP3342485B1 (en) | 2020-07-08 |
Family
ID=57962989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17150044.0A Active EP3342485B1 (en) | 2017-01-02 | 2017-01-02 | Holder for reagent elements |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11071984B2 (en) |
| EP (1) | EP3342485B1 (en) |
| CN (1) | CN110198784B (en) |
| WO (1) | WO2018121961A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11596919B2 (en) * | 2018-08-17 | 2023-03-07 | Sierra Biosystems, Inc. | Row-independent oligonucleotide synthesis |
| USD905267S1 (en) * | 2019-03-27 | 2020-12-15 | Avidien Technologies, Inc. | Pipette tip adapter |
| US11008627B2 (en) | 2019-08-15 | 2021-05-18 | Talis Biomedical Corporation | Diagnostic system |
| TWI785636B (en) * | 2021-06-07 | 2022-12-01 | 新加坡商克雷多生醫有限公司 | Analysis cartridge |
| USD1049421S1 (en) * | 2021-09-28 | 2024-10-29 | Roche Molecular Systems, Inc. | Carrier for microwell plates |
| USD1036695S1 (en) * | 2022-09-15 | 2024-07-23 | Nicoya Lifesciences Inc. | Analysis cartridge top plate |
| USD1036696S1 (en) * | 2022-09-15 | 2024-07-23 | Nicoya Lifesciences Inc. | Analysis cartridge cover plate |
| USD1036697S1 (en) * | 2022-09-15 | 2024-07-23 | Nicoya Lifesciences Inc. | Analysis cartridge cover plate |
| USD1067461S1 (en) * | 2023-04-28 | 2025-03-18 | Nanolive Sa | Well of assay plate |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004286307A1 (en) * | 2003-10-31 | 2005-05-12 | Vitatex, Inc. | Blood test prototypes and methods for the detection of circulating tumor and endothelial cells |
| EP1792656B1 (en) * | 2005-11-30 | 2011-11-02 | F. Hoffmann-La Roche AG | Integrally built, linear array of cuvettes, two dimensional array of cuvettes and system comprising two or more two-dimensional arrays of cuvettes |
| CN104160012B (en) * | 2011-10-20 | 2017-05-10 | 纽约城市大学研究基金会 | Layered Microfluidic Live Cell Arrays |
| ITMI20112073A1 (en) * | 2011-11-15 | 2013-05-16 | Univ Pisa | SUPPORT FOR CELL CULTURAL ROOMS |
| US20140017806A1 (en) * | 2012-07-11 | 2014-01-16 | Samsung Electronics Co., Ltd. | Microfluidic structure, microfluidic device having the same and method of controlling the microfluidic device |
| AU2014268299A1 (en) * | 2013-05-24 | 2016-01-21 | Life Technologies Corporation | Systems and Methods for Biological Analysis |
| ES2704424T5 (en) * | 2013-07-05 | 2022-05-20 | Thinxxs Microtechnology Gmbh | Flow cell with integrated dry substance |
| US20160231251A1 (en) * | 2013-09-04 | 2016-08-11 | Credo Biomedical Pte Ltd. | Assay test device, kit and method of using |
| JP2016539633A (en) * | 2013-10-22 | 2016-12-22 | コーポロス インク.Corporos Inc. | Method and apparatus for point-of-care of nucleic acid amplification and detection |
| WO2015078884A1 (en) * | 2013-11-26 | 2015-06-04 | Alleati Ag | Method and microfluidic assembly for antibiotic susceptibility testing |
| EP3108962B1 (en) * | 2015-06-22 | 2024-10-16 | thinXXS Microtechnology GmbH | Sample carrier |
-
2017
- 2017-01-02 EP EP17150044.0A patent/EP3342485B1/en active Active
- 2017-12-05 CN CN201780082071.2A patent/CN110198784B/en active Active
- 2017-12-05 WO PCT/EP2017/081543 patent/WO2018121961A1/en not_active Ceased
- 2017-12-05 US US16/475,455 patent/US11071984B2/en active Active
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20200023367A1 (en) | 2020-01-23 |
| WO2018121961A1 (en) | 2018-07-05 |
| CN110198784A (en) | 2019-09-03 |
| CN110198784B (en) | 2021-07-20 |
| US11071984B2 (en) | 2021-07-27 |
| EP3342485A1 (en) | 2018-07-04 |
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