EP2683485A1 - Récipient à échantillon - Google Patents

Récipient à échantillon

Info

Publication number
EP2683485A1
EP2683485A1 EP12712599.5A EP12712599A EP2683485A1 EP 2683485 A1 EP2683485 A1 EP 2683485A1 EP 12712599 A EP12712599 A EP 12712599A EP 2683485 A1 EP2683485 A1 EP 2683485A1
Authority
EP
European Patent Office
Prior art keywords
closure
sample container
housing
sample
opening
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
EP12712599.5A
Other languages
German (de)
English (en)
Other versions
EP2683485B1 (fr
Inventor
Daniel SIMONS
Dirk LEBER
Harald Quintel
Sasa Lazevski
Bruno Walder
Andreas Bretscher
Thomas Voit
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.)
Hombrechtikon Systems Engineering AG
Original Assignee
Qiagen 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 Qiagen GmbH filed Critical Qiagen GmbH
Priority to EP19212880.9A priority Critical patent/EP3653304B1/fr
Priority to EP12712599.5A priority patent/EP2683485B1/fr
Publication of EP2683485A1 publication Critical patent/EP2683485A1/fr
Application granted granted Critical
Publication of EP2683485B1 publication Critical patent/EP2683485B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • B01L3/5082—Test tubes per se
    • B01L3/50825—Closing or opening means, corks, bungs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D39/00—Closures arranged within necks or pouring openings or in discharge apertures, e.g. stoppers
    • B65D39/06—Balls
    • 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
    • B01L2300/045—Connecting closures to device or container whereby the whole cover is slidable

Definitions

  • the invention relates to a sample container with a housing which forms a sample space for receiving a sample and has at least one circular opening, and with a spherical closure element.
  • sample containers are used, in particular in the context of biotechnological methods, to process a biological sample or a biological material, for example a sample containing nucleic acids. They are used, for example, to duplicate nucleic acids in vitro within the scope of amplification reactions such as, for example, a polymerase chain reaction (PCR) .
  • PCR polymerase chain reaction
  • the sample containers serve to take up the sample comprising the nucleic acid.
  • sample containers are known from the prior art, which are regularly used as disposable products in the context of corresponding biotechnological methods such as, for example, PCR.
  • the sample containers are first filled with the sample, then sealed airtight and finally fed to the PCR process.
  • high demands are made.
  • the sample containers must be sealed reliably in order not to impair the result of the PCR process by the unwanted ingress or egress of sample material.
  • a large number of sample containers are regularly used as part of a PCR process, which must be filled and closed for this purpose. This should therefore be done as automated as possible.
  • the sample containers must be inexpensive to produce, especially because they are needed in large numbers and are used as disposable products.
  • a generic sample container in which one end of a cylindrical housing forming a sample space is provided with a circular opening which extends channel-shaped into the sample space.
  • the opening channel tapers shortly before the transition into the sample space and thereby forms a seal seat for a spherical closure element.
  • sample container known from EP 0 449 425 A2 as a three-part system, is not only relatively complicated and thus expensive but also only relatively large
  • the present invention seeks to provide an improved sample container.
  • the sample container according to the invention should be inexpensive to produce and automatically closable with relatively little effort.
  • the sample container according to the invention should have a reliable sealing effect.
  • the core of the invention consists in effecting the functions of sealing effected in the sample container according to EP 0 449 425 A2 by two different functional elements as well as the fixing of the closure element by means of only one functional element, namely the closure element itself.
  • This is achieved in that a spherical closure element is clamped in an opening channel of a housing of the sample container according to the invention, which not only a good sealing effect but also a process-secure fixation can be achieved.
  • an additional sealing plug for fixing the closure body can be dispensed with.
  • a sample container according to the invention therefore has a housing which has a housing
  • Sample space for receiving a sample and a circular opening forms, which extends channel-shaped into the sample space.
  • the sample container according to the invention has a spherical closure element.
  • the (largest) diameter of the closure member is selected to exceed the diameter of the orifice channel in at least one (closure) portion of the orifice channel, but only to a degree that allows the closure member to so far be introduced into the closure portion of the opening channel, that the frictional fixing is achieved by a contact of a region comprising the largest circumference of the closure element with the closure portion.
  • the spherical closure element is in contact with the housing. Further, the opening channel between the closure portion and the inside opening forms a (first)
  • Projection which reduces the opening cross-section of the opening channel with respect to the opening cross-section in the closure portion. Due to the direct contact of the closure element with the housing, a one-piece closure can be formed. By forming a one-piece closure element and the configuration of the opening channel with the (first) projection, a cost-effective production of the sample container with closure element can be achieved, which can be automatically closed with relatively little effort, with a reliable sealing effect.
  • the (first) projection can serve as an end stop, which prevents the closure element from being pushed into the sample space beyond the closure section during insertion.
  • the frictional fixing of the closure element by contact of a region encompassing the largest circumference of the spherical closure element with the wall of the opening channel is important in order to achieve a secure fixation.
  • the resulting forces in this type of non-positive fixation namely have no or only a relatively small (and thus negligible) force component in the longitudinal axial direction of the opening channel on; rather, these are (largely) directed radially in the direction of the center of the spherical closure element.
  • the choice of materials and the dimensions of the closure element and the housing in the region of the closure section can be made specifically with regard to the desired deformation behavior.
  • a soft compared to the housing ball (which thus significantly more deformed than the housing) can have advantages in the sealing effect.
  • this advantage may be offset by disadvantages in positioning (süberaki) and the choice of material.
  • a ball which is hard in comparison to the housing can be handled well during insertion and allows for easier positioning and position checking, but it can also increase the risk of overstretching the housing (even in the plastic case)
  • the opening channel between the closure portion and the au GHz crystallization forms a (second or further) projection
  • Such a projection which may be formed, for example (closed) annular or by one or more, preferably annularly juxtaposed individual projections, may in particular serve as a safety stop an unintentional release of the
  • Closing element from the closure portion of the opening channel for example, as a result of an unexpectedly high pressure increase in the sample chamber, which may be due to a heating in the context of the PCR process, for example, to prevent. If the pressure increase within the sample space becomes so great that the frictional connection of the closure element held in the closure section is overcome, this can Closing element - optionally after a slight shift within the closure portion of the opening channel - are supported on the projection, whereby further a secure and in particular tight sealing of the sample container can be achieved.
  • the (second or further) projection when closing the sample container must be passed by the closure element, it can be provided to dimension it so that the introduction of the closure element in the closure portion takes place under exercise of a defined press-in force, which are not so high This should result in damage to the closure element or the housing of the sample container as a result of excessive deformation, but greater than the maximum expected, based in a pressure increase in the sample chamber force. It is also preferably provided that the opening cross-section of the
  • Opening channel in the region of the (second) projection is greater than in the region of the first projection. It can thereby be achieved that the force which is applied for pressing the closure element into the opening channel is sufficiently high that the closure element passes the second projection, but is not so high that it can also pass the first projection.
  • Closing element is given within the closure portion of a maximum of 5 mm and in particular of a maximum of 0.7 mm. This means that the closure element is displaceable only over this distance between the two projections. A displacement of the closure element over this maximum distance, in particular due to an increase in pressure within the
  • Sample space usually still leads to a tolerable change in the process conditions, for example.
  • a PCR process At the same time it can be avoided that a higher tolerance for the production of the sample container must be adhered to, which could make these more expensive.
  • the opening channel is cylindrical in the region of the closure section.
  • the opening channel also) in
  • Closure portion slightly conical (for example, with a tilt angle of 0.1 to 0.5 °), which can facilitate demoulding during casting and in particular injection molding of the housing.
  • the angle of inclination can be chosen so small that it has no significant (negative) influence on the fixation and sealing effect of the clamped closure element.
  • the housing of the sample container according to the invention may preferably (also graduated) be tubular, wherein the opening is arranged at a (longitudinally axial) end of the housing. Further preferably, the housing may be formed tapering at the second end, whereby even very small amounts of sample can be well concentrated in the sample chamber, which the
  • Sample container is at least partially formed of an optically transparent material.
  • the tapered end may be formed optically transparent, since this preferably serves to accommodate the sample. Further preferably, it may be provided, the housing in the area that the sample is optically transparent.
  • Recording the sample serves to perform with a smaller wall thickness than (at least) a second region of the sample space forming housing.
  • a wall thickness as thin as possible can simplify the examination of the sample by means of optical methods, while a thicker wall thickness, in particular in a dead space of the sample chamber, which is not filled with the sample, can avoid or reduce evaporation through the preferably made of plastic housing.
  • the housing in the closure section of the opening channel can also be provided to form the housing in the closure section of the opening channel of a (optically) transparent material. This makes it possible to check the position of the closure element in the
  • Closure section and also the sealing effect by means of optical means also pure visual inspection.
  • a change in the refractive index can be used, which is due to the fact that in the transition from a first solid (wall of the opening channel) to a second solid (closure element) no total reflection of the light at the
  • Interior wall adjusts the transition from a solid (wall of the opening channel) to air, the inside of the opening channel, however, partially reflected.
  • the housing can form a shoulder for forming a support surface.
  • Pressing the closure element are applied (typically up to 60 N to 130 N and a maximum of 250 N) are supported on a holder carrying the sample container.
  • the bearing surface may be formed at a position of the housing which is in the vicinity of the closing portion of the opening channel. This can be avoided that the forces on other sections of the housing, which are optionally formed with lower wall thicknesses and thus more sensitive (in particular, the surrounding the sample chamber wall of the housing) are transmitted.
  • the housing of the sample container at least in the closure section of the opening channel and / or the closure element itself can be formed from a material with the lowest possible coefficient of thermal expansion and particularly preferably with a coefficient of expansion that is as equal as possible.
  • the closure element can be formed from an electrically conductive material.
  • the closure element of the sample container according to the invention is formed from a material which has no or only a small (in particular technically not relevant) autofluorescence.
  • a small (in particular technically not relevant) autofluorescence can be avoided.
  • this can be provided with a predetermined breaking point at which the housing is divided by a defined force.
  • a type of opening is particularly suitable for such sample containers, which are to be used only once (disposable sample container).
  • An advantage of this embodiment of the sample container according to the invention can be, in particular, that the Process of opening may be less expensive than removing the fixed in the closure portion of the opening channel closure element, which is also possible.
  • a predetermined breaking point it is also possible to form the housing in two parts, wherein the two parts can be connected to each other, for example via a plug-in or latching connection. To open the sealed sample container, the housing can then be opened again at this connection point.
  • the sample container can also be opened by pushing the closure element into the sample space.
  • the sample room should be at least in one
  • Section have a larger cross-sectional area than the closure element to empty the sample chamber can.
  • sample containers that are used in the context of the respective biotechnological process should not be reopened.
  • the closure element can additionally be provided in the closure section, for example by welding it to the wall of the housing (eg by ultrasonic welding or thermal welding) or by crimping a wall upper edge of the housing is positively fixed.
  • welding it to the wall of the housing e.g by ultrasonic welding or thermal welding
  • crimping a wall upper edge of the housing is positively fixed.
  • any other types of additional positive, non-positive or cohesive fixation are possible.
  • sample container it may further be provided to provide a second closure section for a second closure element, wherein a second sample space is formed between the two closure elements.
  • At least one bypass channel can be provided in the wall of the housing between the two closure sections of the sample container. This can serve to avoid an overpressure which otherwise arises in the lower sample space as a result of the introduction of the one closure element into the lower closure section and to transfer the upper sample material into the lower sample chamber by depressing the upper closure element.
  • the present invention further relates to a method for processing or processing a biological sample or a biological material, such as in particular nucleic acid-containing sample, in which the sample container according to the invention is used.
  • the sample container according to the invention is described in detail in the description and the claims. It will be on the appropriate
  • the method can be, in particular, a biotechnological method, such as, for example, an amplification method, in particular a PCR method.
  • a biotechnological method such as, for example, an amplification method, in particular a PCR method.
  • Fig. 1 a sample container of a system according to the invention
  • FIG. 2 shows a section of the sample container of FIG. 1 in a sectioned side view
  • FIG. 3 shows a further detail of the sample container of FIG. 1 in a sectional side view
  • Fig. 4 the introduction of the closure element in the sample container according to FIGS. 1 to 3 by means of a plunger in a first
  • Figures 5 and 6 the introduction of a closure element in a sample container of Figure 1 by means of a plunger in a second embodiment ..; 7a shows the force curve during the introduction of closure elements in FIG
  • Fig. 7b the force curve during the introduction of closure elements in
  • 8a and 8b a sample container of a system according to the invention in a second embodiment in two different sectional views;
  • 9a and 9b a sample container of a system according to the invention in a third embodiment
  • FIG. 10 shows a sample container of a system according to the invention in a fourth embodiment
  • Fig. 1 1 a storage container of a device according to the invention for the automatic closure of sample containers in a first embodiment
  • Fig. 12 a closing unit of a device for automated
  • FIG. 13 shows a principle drawing for the functioning of the closing unit according to FIG. 12;
  • FIG. 14 shows an isometric view of a storage container of a device according to the invention for automatically closing sample containers in a second embodiment
  • Fig. 15 the reservoir of FIG. 14 in combination with a
  • FIG. 16 shows the storage container according to FIG. 14 in combination with an alternative closing unit in a longitudinal section
  • FIG. 17 shows the integration of the components according to FIGS. 11 and 12 into an automated closing device
  • FIG. 18 shows the integration of the automated closing device according to FIG.
  • Closure elements to a device for the automated closure of sample containers according to the invention.
  • Figs. 20a to 20f comparisons of a "normal" to deviating
  • FIG. 1 shows a sample container 1 according to the invention in a first embodiment.
  • the sample container 1 has a housing 2, which is formed in a first (head section 3) and a second (middle section 4) section with a substantially cylindrical lateral surface.
  • the lateral surface has only a slight conical taper, which serves to be able to more easily demould the plastic housing 2 after injection molding.
  • an end portion 5 connects, in which the housing 2 tapers and thus formed tapering in the broader sense.
  • the housing 2 is formed of a (optically) transparent material, which allows the use of optical measuring elements in the context of a biotechnological method, such as. A PCR process in which the sample container 1 is to be used.
  • the housing 2 On the outside, between the head 3 and the middle section 4, the housing 2 forms a shoulder 6, which serves as a bearing surface, via which the housing 2 is supported on a sample container carrier 7 (see FIG.
  • a sample space is formed, wherein the wall thickness of the housing 2 in these two sections is substantially constant, so that in turn a largely cylindrical sample space portion within the central portion 4 and a conical tapered, formed with a rounded tip sample space portion in the end portion 5 of the housing 2 is formed.
  • an opening channel is formed, which makes it possible to fill the sample container 1 with the sample to be examined.
  • the sample space is closed by the introduction of a spherical closure element 8 in the manner according to the invention.
  • the closure effect i. both the sealing and the fixing of the closure element 8 in the opening channel is effected by the fact that the largest outer diameter of the closure element 8 is slightly larger than that
  • Opening channel in a defined portion (closure portion 1 1) (see Fig. 2) and the closure member 8 is thus fixed by clamping in the opening channel.
  • the opening channel is initially provided with an inlet chamfer 9, which has a relative (relative to the
  • the inlet chamfer 9 facilitates the centric application of the closure element 8 (largest diameter: 4.1 mm to 4.2 mm).
  • the inlet chamfer 9 merges into a first annular projection 10 which reduces the opening area (diameter: 3.7 mm) of the opening channel with respect to the opening area in the closing section of the opening channel (diameter: about 4.0 mm).
  • this is loaded with a force (component), which is directed coaxially or parallel to the longitudinal axis of the housing 2 in the direction of the end portion of the housing 2.
  • the force is so high that it comes to a deformation of both the housing 2 in the region of the head portion 3 and the closure member 8 itself, which allows the closure member 8 passes the first projection 10 and into the closure portion 1 1 of the opening channel is pushed. There it will be
  • Closure member 8 by its larger (maximum) diameter compared to the diameter of the opening channel in the closure portion 1 1 fixed non-positively, i. clamped.
  • the forces are achieved by a (largely elastic) deformation of the housing 2 in the region of the closure portion 11 and the closure element 8. Due to the symmetrical frictional
  • the first projection 10 which must be passed by the closure element 8 during insertion into the closure section 11, serves firstly as an end stop, which prevents the closure element 8 from generating an overpressure within the sealed sample space, for example due to heating in the frame a biotechnological method, such as, for example, a PCR process, is pushed out of the opening channel and the sample container 1 thus unintentionally opens.
  • this projection 10 serves to generate a force profile characteristic upon insertion of the closure element 8, by means of which an actual introduction of the closure element 8 into the closure section 11 can be detected (in the manner of a snap-in).
  • the transition of the opening channel in the sample space of the housing 2 is formed as an annular shoulder.
  • This paragraph represents a second projection 12 which serves as an end stop for the closure element 8 and thus limits the closure portion 1 1 of the opening channel on the side of the sample space.
  • the length of the closure section 1 1 of the opening channel is dimensioned such that the closure element 8 can be displaced therein over a certain distance x before striking against one of the two projections 11, 12 (see FIG. In the present case, this distance is limited to a maximum of 0.7 mm, since experience has shown that the process parameters (in particular pressure, temperature) change only so little within such a displacement of the closure element 8 that no significant (negative) effects on the biotechnological
  • This positioning tolerance of the closure element 8 within the closure portion 1 1 also has the advantage that relatively large tolerances in the manufacture of the housing 2 and the closure member 8 can be specified, whereby lower demands can be placed on the corresponding tools.
  • Figures 4 to 6 show the use of a plunger 13 (in two embodiments) to push the closure element 8 into the opening channel.
  • the plunger 13 has an outer diameter of 3.6 mm (or smaller), which is thus less than that
  • the plunger 13 can thus immerse in the opening channel.
  • the movement of the plunger should be precisely controlled to prevent it presses the closure member 8 with a force against the end stop serving as a second projection, which leads to damage of the housing 2 or the
  • FIG. 7a shows an exemplary force progression (force F over the plunger path I) for a closing process using a plunger according to FIG. 4.
  • force F force over the plunger path I
  • a first section (a) of the force curve the force is almost zero; this section defines the displacement of the plunger 13 until contact with the closure element 8.
  • This is followed in a second section by a strong increase in force up to a first maximum value (b) (first extreme point of the curves) required to cause the closure element let pass first projection 10.
  • This force drops to a second extreme point (c), which defines that force (due to the slightly conical configuration of the opening channel then only slightly rising, see section (d)), which is used to move the ball in the
  • Closure section 1 1 is required. This force corresponds essentially to the force which results from the friction between the wall of the opening channel in the closure section 11 and the section of the closure element 8 in contact therewith. In a properly performed closing operation, the application of force ends somewhere in the section (d) of FIG. 7.
  • Fig. 7b shows a corresponding exemplary force curve for the use of a plunger according to FIGS. 5 and 6. The force curve corresponds in the sections (a) and (d) and between them still that of FIG. 7a.
  • FIGS. 20a to 20f show examples of deviations from those described above
  • FIG. 20a shows two deviating force profiles, in which the dimensioning or the material properties of the sample container are in the range of
  • FIG. 20b shows two deviating force profiles in which the vertical orientation of the closure element, i. the distance between the closure element and the plunger is too small or too large.
  • the horizontal alignment is not correct, i. there is not enough
  • FIG. 20 d shows a deviating force course which results in the absence of the closure element and the movement of the plunger takes place without substantial expenditure of force up to a collision with the sample container.
  • the deviating force profile shown in FIG. 20e can result if the contact surfaces of the closure element and / or of the sample container do not meet the requirements.
  • FIG. 20f shows a deviating force curve, which can result from the breakage of a sample container.
  • FIG. 8a and 8b show a second embodiment of a sample container 1, in which two closure elements 8 are fixed in a common closure portion 1 1 of the housing 2 frictionally. As a result, a second sample space is formed between the two closure elements 8.
  • the corresponding configuration of the opening channel can - unlike in the illustration in FIG. 8
  • a bypass channel 14 is further introduced into the wall of the housing.
  • the upper bypass channel 14 serves to overpressure in the two sample chambers, the otherwise would arise due to the relatively deep introduction of the closure elements to compensate.
  • the lower bypass channel 14 is provided, for example, in the context of the PCR process, to transfer a sample contained in the upper sample chamber into the lower sample chamber, as shown in FIG. 8a.
  • the lower closure element 8 by means of the upper
  • Closing member 8 is pushed into the lower bypass channel 14 having portion of the opening channel / sample space, so that the sample from the upper sample chamber via the lower bypass channel 14 on the lower closure member 8 can flow past into the lower sample chamber.
  • FIGS. 9a to 9b show a sample container 1 in a further embodiment in which it is intended to reopen it by pushing the closure element 8 completely into the sample space by means of a plunger 13 up to the closed end.
  • the sample liquid displaced thereby can flow off via a bypass channel 14 introduced on one side into the wall of the housing 2 and thus removed from the sample container 1.
  • FIG. 10 shows a sample container 1, in which the housing 2 is provided with a varying wall thickness in the area of the sample space. In the region of the sample space which receives the sample, the housing 2 has the smallest possible
  • Wall thickness of e.g. 0.2 to 0.3 mm A small wall thickness simplifies the examination of the sample by optical methods. In contrast, in a section of the sample space which forms a dead space (ie without a sample contained therein), the wall thickness is stronger (eg twice as strong, eg 0.4 to 0.6 mm), which not only results in the mechanical stability of the housing 2 can be increased, but in particular, evaporation of the sample through the housing 2 can be reduced.
  • Figures 1 1 and 12 show individual components of an automated closing device (see Figure 17) in an apparatus for performing a
  • FIG. 11 shows a storage container 15 in which an elongated spiral-shaped guide 16 is arranged, which serves to receive and guide a plurality of closure elements 13 of a sample container 1.
  • the lower end of the guide 16 terminates in an outlet opening, via which the closure elements of a closing unit 17, as partially shown in FIG. 12, can be transferred.
  • the storage container 15, which can be distributed as a filled disposable container, can be attached to the front end of the closing unit 17 for this purpose.
  • the closing unit 17 comprises an electric motor arranged in a housing 18, via which a drive disk 19 can be driven in rotation.
  • the drive pulley 19 is decentrally provided with a bolt 20 which is guided in a slot 21 of a tappet guide 22.
  • the leadership of the bolt 20 in the slot 21 translates the rotational movement of the drive pulley 19 in a cyclic up and
  • This embodiment can also be developed so that the cyclic movement of the plunger 13 is basically realized by a continuous rotation of the drive pulley 19 and the drive motor, the movement only in an impending
  • Fig. 14 shows a storage container 15a for a plurality of closure elements 8 in an alternative embodiment.
  • the essential differences from the storage container 15 according to FIG. 11 are that on the one hand the
  • Closure elements 8 unsorted in a storage space of the reservoir 15a ie are stored as a bed and on the other hand, a plunger 13a for the scattered output of the closure elements 8 from the reservoir 15a is integrated.
  • the bottom and wall surfaces of the storage container 15a are formed such that the closure elements located at the bottom of the bed are fed to an output channel 29 whose inside diameter is only slightly larger than the outside diameter the closure elements is. This ensures that the closure elements occasionally reach a transfer position, where they can be detected and taken along by the plunger 13a.
  • FIG. 15 shows the use of the storage container according to FIG. 14 in FIG.
  • a special feature of this combination is the use of a total of two plungers, on the one hand in the reservoir 15a integrated plunger 13a, which serves for scattered output of the closure elements 8 from the reservoir, whereby they are placed on an underlying sample container 1.
  • a second plunger 13 integrated into the closing unit 17a serves to drive the closure element 8 previously placed on a (different) sample container 1 into the closure section of the opening channel of this sample container.
  • Disposable container is used, which is thus disposed of after use.
  • a pin 30, which is resiliently mounted in a portion of the plunger 13, engages in a corresponding opening in the plunger 13a.
  • the plunger 13 itself is constructed in several parts and comprises a plunger element 31 which is mounted axially displaceably in the lower end of a base body 32 of the plunger 13. Via a central bore with an internal thread, the plunger element 31 is connected to a threaded pin 33, which is part of a force-limiting unit.
  • Force limiting unit also includes a spring 34 (cylindrical coil spring), which is biased by two bearing plates 35.
  • the biasing forces are supported via a contact of the upper bearing plate 35 and an annular projection of the plunger element 31 at corresponding contact surfaces of the base body 32.
  • the bias of the coil spring can be changed and thus a limit for the force exerted by the plunger element 31 on the closure element 8 force can be adjusted. As soon as this force is exceeded, a (partial) compensation of the plunger stroke takes place by a retraction of the plunger element 13.
  • FIG. 16 shows a closing unit 17b which, in terms of function, essentially corresponds to that of FIG. 15, but has a structurally simpler construction.
  • a (mechanical) force limiting unit is not provided there, but this is achieved electronically, by a corresponding control of a plunger drive.
  • the plunger element 31 a is therefore axially immovable in the main body 32 a of the
  • Integrated plunger 13 and also the bolt 30a for driving the plunger 13a of the Reservoir is not resiliently mounted.
  • the storage container 1 5a corresponds to that of FIG. 15.
  • the closing units 17, 17a, 17b and storage containers 15, 15a can be integrated into an automatic closing device 25, as shown in FIG. There, the unit of closing unit 1 7 and reservoir 1 5 via a linear drive 26 along a first axis (in the transverse direction) is movable.
  • the automatic closing device according to FIG. 17 is in turn so integrable in a device for carrying out a PCR process according to FIG. 18 that the entire closing device 25 is connected via a second linear drive 27 to a second axis (in the longitudinal direction) perpendicular to the first axis (the travel axis of the linear drive 26 of the closing device) is aligned, is movable.
  • the mobility of the unit comprising closing unit 17 and storage container 15 in two axes oriented perpendicular to one another enables a plurality of housings 2 of sample containers 1, which are positioned in a plurality of rows in a total of three sample container carriers 7, to be closed by a closure element 8.
  • the correct placement of the closure element 8 in the individual housings 2 is checked by means of a laser distance sensor (not shown).
  • FIG. 19 shows in a schematic representation the possibility of releasably fixing the closure elements 8 in a conveyor belt (blister belt) 28 and positioning these successively in the transfer position via a movement of the conveyor belt 28, from which they are then moved by means of a plunger 13 the opening channel of a sample container 1 can be introduced.
  • the conveyor belt 28 has a base belt 36 provided with openings arranged in a regular pitch, wherein in the region of each of the openings a closure element 8 bears against one side of the base belt 26 and is surrounded and thus held by a holding belt 37.
  • the individual closure elements can be removed by means of the plunger 1 3 through the respective opening of the conveyor belt 28 and driven into the opening channel of the sample container 1.

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Hematology (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Devices For Use In Laboratory Experiments (AREA)

Abstract

L'invention concerne un récipient à échantillon (A) comprenant un boîtier (2) qui forme un espace destiné à recevoir un échantillon et qui présente au moins un orifice circulaire s'étendant à la manière d'un canal dans l'espace destiné à l'échantillon et un élément de fermeture (8) de type bille, le diamètre de l'élément de fermeture (8) étant supérieur au diamètre du canal d'ouverture dans au moins une section (de fermeture) (11) seulement de telle façon que l'élément de fermeture (8) puisse être fixé à force par sa plus grande circonférence dans la section de fermeture (11), l'élément de fermeture de type bille étant en contact avec le boîtier (12), et le canal d'ouverture entre la section de fermeture (11) et l'orifice côté intérieur formant une saillie qui réduit la section transversale d'ouverture du canal d'ouverture par rapport à la section transversale d'ouverture de la section de fermeture (11).
EP12712599.5A 2011-03-11 2012-03-09 Récipient d'échantillon Active EP2683485B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19212880.9A EP3653304B1 (fr) 2011-03-11 2012-03-09 Récipient d'échantillon
EP12712599.5A EP2683485B1 (fr) 2011-03-11 2012-03-09 Récipient d'échantillon

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11157906 2011-03-11
PCT/EP2012/054165 WO2012123375A1 (fr) 2011-03-11 2012-03-09 Récipient à échantillon
EP12712599.5A EP2683485B1 (fr) 2011-03-11 2012-03-09 Récipient d'échantillon

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP19212880.9A Division EP3653304B1 (fr) 2011-03-11 2012-03-09 Récipient d'échantillon

Publications (2)

Publication Number Publication Date
EP2683485A1 true EP2683485A1 (fr) 2014-01-15
EP2683485B1 EP2683485B1 (fr) 2019-12-04

Family

ID=44327213

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12712599.5A Active EP2683485B1 (fr) 2011-03-11 2012-03-09 Récipient d'échantillon
EP19212880.9A Active EP3653304B1 (fr) 2011-03-11 2012-03-09 Récipient d'échantillon

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19212880.9A Active EP3653304B1 (fr) 2011-03-11 2012-03-09 Récipient d'échantillon

Country Status (9)

Country Link
US (1) US9242246B2 (fr)
EP (2) EP2683485B1 (fr)
JP (1) JP2014513927A (fr)
CN (1) CN103459037B (fr)
AU (1) AU2012228412B2 (fr)
BR (1) BR112013023055A2 (fr)
CA (1) CA2829703A1 (fr)
ES (2) ES2979386T3 (fr)
WO (1) WO2012123375A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021213636A1 (fr) 2020-04-21 2021-10-28 Hombrechtikon Systems Engineering Ag Récipient d'échantillon et procédé permettant d'analyser un échantillon

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20155107A (fi) 2015-02-19 2016-08-20 Thermo Fisher Scientific Oy Näyteastia
US10537892B2 (en) * 2017-01-03 2020-01-21 Illumina, Inc. Sample tube with integrated mixing plunger head
DE102020131098A1 (de) * 2020-11-24 2022-05-25 Syntegon Technology Gmbh Vorrichtung zum Verschließen von pharmazeutischen Behältnissen

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US2367883A (en) * 1942-09-21 1945-01-23 Frankfort Distilleries Inc Bottle closure
JPS5241990Y2 (fr) * 1973-06-29 1977-09-22
JPS6388960U (fr) * 1986-05-30 1988-06-09
EP0264181A3 (fr) * 1986-10-13 1989-01-11 Nihon Taisanbin Kogyo Kabushiki Kaisha Récipient d'emballage
FI895113A0 (fi) 1989-10-27 1989-10-27 Bo Kultti Tillslutningsanordning foer behaollare.
US5127895A (en) * 1990-03-30 1992-07-07 Beckman Instruments, Inc. Self-seal centrifuge tube
DE69217261T2 (de) * 1991-03-08 1997-08-21 Shinsozai Sogo Kenkyusho Kk Apparat zum Lagern und Mischen
AU7237696A (en) 1995-09-15 1997-04-01 Egon Erlich Tamper-evident container
FR2758799B1 (fr) 1997-01-24 1999-04-02 Stago Diagnostica Bouchage pour flacon de reactif utilisable par un automate d'analyse
EP1847461A3 (fr) 2006-04-18 2008-01-02 Terxo AG Récipient en plastique
ITTO20070714A1 (it) * 2007-10-10 2008-01-09 Bisio Progetti Spa Fiala monodose richiudibile.
DE102008010402B3 (de) * 2008-02-21 2009-04-09 Bruker Biospin Ag System zur Bereitstellung einer Vielzahl von Probengefäßen, insbesondere NMR-Probenröhrchen, und Verwendung des Systems

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012123375A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021213636A1 (fr) 2020-04-21 2021-10-28 Hombrechtikon Systems Engineering Ag Récipient d'échantillon et procédé permettant d'analyser un échantillon

Also Published As

Publication number Publication date
ES2769308T3 (es) 2020-06-25
JP2014513927A (ja) 2014-06-19
CA2829703A1 (fr) 2012-09-20
US9242246B2 (en) 2016-01-26
AU2012228412B2 (en) 2016-01-07
EP2683485B1 (fr) 2019-12-04
AU2012228412A9 (en) 2015-12-03
AU2012228412A1 (en) 2013-10-03
EP3653304A1 (fr) 2020-05-20
WO2012123375A1 (fr) 2012-09-20
CN103459037A (zh) 2013-12-18
US20140056784A1 (en) 2014-02-27
ES2979386T3 (es) 2024-09-25
CN103459037B (zh) 2016-11-02
EP3653304B1 (fr) 2024-05-01
BR112013023055A2 (pt) 2016-12-13

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