Patent Application
20150166217
The present invention claims priority of German patent application no. 10 2013 114 404.7, “Transport and packaging container for accommodating a plurality of containers for medical, pharmaceutical or cosmetic applications as well as methods and uses thereof”, filed on 18 Dec. 2013, the whole content of which is hereby incorporated.
The present invention relates generally to the concurrent supporting of a plurality of containers for the storage of substances for medical, pharmaceutical or cosmetic applications, in particular of flasks (vials) and cartridges, and more particularly to the concurrent supporting of a plurality of containers in a transport and packaging container in such a manner that these can be further processed in filling units or processing units, in particular in a sterile tunnel, in a filling unit for liquid medical or pharmaceutical applications or in a freeze-dryer.
Medication containers, for example vials, ampoules, syringes or cartridges, are widely used as containers for preservation and storage of medical, pharmaceutical or cosmetic preparations to be administered in liquid form, in particular in pre-dosed amounts. These generally have a cylindrical shape, can be made of plastic material or glass and are available in large quantities at low costs. In order to fill the containers under sterile conditions as efficiently as possible concepts are increasingly used according to which the containers are packaged under sterile conditions in a transport and packaging container already at the manufacturer of the containers, which are then unpacked and further processed under sterile conditions at a pharmaceutical company, in particular in a so-called sterile tunnel.
For this purpose, various transport and packaging containers are known from the prior art, in which a plurality of medication containers are concurrently arranged in a regular arrangement, for example in a matrix arrangement along rows and columns extending perpendicular thereto. This has advantages in the automated further processing of the containers since the containers can be passed to processing stations, for example to processing machines, robots or the like, at controlled positions and in a predetermined arrangement.
Such a transport and packaging container and a corresponding packaging concept are disclosed for example in U.S. Pat. No. 8,118,167 B2. The further processing of the containers is, however, always performed such that the supporting structure will be removed from the transport and packaging container, that the containers will be removed from the supporting structure and isolated and then individually placed on a conveyor, in particular a conveyor belt, and passed to the processing stations for further processing. This limits the speed of processing that can be achieved. Particularly in the isolation of the containers by means of cell wheels or the like, it always occurs that individual containers abut uncontrolled, which results in an undesired abrasion and subsequently in a contamination of the interior volume of the containers or of the processing station and in an impairment of the outer appearance of the containers, which is undesirable.
GB 2478703 A discloses a supporting structure for supporting a plurality of vials for applications in gas or liquid chromatography. The supporting structure consists of two plates in which a plurality of receptacles is formed for accommodating the vials therein, wherein the two plates can be folded to each other. The receptacles of the two plates are offset from one another, so that the containers are arranged in an interleaved manner to double the packing density and to enable a good access to the containers in the folded-in position. Measures for sealing the interior of a transport container formed by two plates are not disclosed.
Further transport and packing containers and supporting structures are disclosed by U.S. Pat. No. 8,100,263 B2, US 2011/0132797 A1, FR 2595667 and U.S. Pat. No. 832,086 A.
A direct contact with the bottoms of the medication containers is not possible with the conventional supporting structures. However, this impedes the further processing of the medication containers particularly when their content shall be subjected to a freeze-drying process (also known as lyophilization or sublimation drying). Furthermore, a further processing of the medication containers directly within the supporting structures is not possible, because they are supported there either rigidly or are not accessible to a sufficient extent for the further processing, which is the reason why conventionally the medication containers always need to be taken out of the supporting structures for further processing.
A fundamental problem in the production and processing containers for medical or pharmaceutical applications are contaminants, which are resistant to high temperatures, particularly endotoxins, the lysis of bacteria as well as a number of other substances inducing cytokines (CIS). Endotoxins (pyrogens) are lipopolysaccharides from the outer layers of the cell membrane of gram-negative bacteria, for example E. coli. In the parenteral administration in human beings endotoxins cause febrile reactions and thus must be avoided by all means. These contaminations naturally occur for example in bacterial fermentation processes, but can be transmitted in part by human beings themselves or by contaminated water systems in the production. Endotoxins are highly temperature resistant and withstand fluctuations in pH. To eliminate such contaminations very high temperatures must be used (especially above 300° C.). In this context, there is still room for improvement with regard to transport and packaging containers or supporting structures thereof, which accommodate or support the containers during their processing at high temperatures, and with regard to procedures for removing such contaminants in containers in a simple and cost-effective manner by processing at high temperatures.
The burning-in of silicones for fixing the silicone on the glass surface has proved to be advantageous to prevent such contaminations in containers for substances for medical or pharmaceutical applications, especially those made of glass. For this purpose, high temperatures of above 300° C. are necessary. For this purpose it is advantageous to carry out the processing of the glass body under clean room conditions. The siliconization provides a protective layer for drugs that are based on sensitive molecules, which can react to the glass container. In this context, there is still room for improvements with regard to transport and packaging containers or supporting structures thereof, which accommodate or support the containers during their processing and during the burning-in of silicone layers at high temperatures, and with regard to procedures for processing the containers and during the burning-in of silicone layers at high temperatures in a simple and cost-effective manner.
It is an object of the present invention to provide an enhanced transport and packaging container which allows a rapid removal or processing of the containers accommodated in the transport and packaging container so that these are ready to be filled, particularly when performing so-called ready-to-fill processes. In particular, the containers shall be sterile packaged, unpackaged and further processed in a simple and cost-effective manner.
It is a further object of the present invention to provide a process and use for processing the containers so that they are ready to be filled, particularly in so-called ready-to-fill processes, wherein the containers shall be sterile packaged, unpackaged and further processed in a simple and cost-effective manner.
According to the present invention there is provided a transport and packaging container for accommodating a plurality of cylindrical containers for substances for medical, pharmaceutical or cosmetic applications, comprising at least two segments of which each can be handled separately and which can be assembled or stuck together to jointly form the transport and packaging container with an interior, in which the containers can be accommodated sealed against the environment. In this transport and packaging container a first segment of the at least two segments has a bottom for supporting the plurality of containers directly or indirectly on the bottom. Furthermore, positioning devices are provided in the transport and packaging container for positioning the plurality of containers in the interior of the transport and packaging container in a regular arrangement in such a manner that a collision or direct contact of directly adjacent containers is prevented. Here, at least one of the segments comprises sealing means so that the segments can be assembled or stuck together to the transport and packaging container and so that the interior of the transport and packaging container is sealed against the environment.
Thus, the containers are arranged reliably and free of collisions and at predetermined positions in the interior of the transport and packaging container, so that the containers can be transferred easily to automated processing stations and/or can be processed further in such automated processing stations. This further processing may be performed outside of the transport and packaging container, in particular while the plurality of containers is supported in a supporting structure, which is inserted into the transport and packaging container; or the further processing may be performed while the containers are arranged in a segment of the transport and packaging container, for example in a supporting structure, which is placed on the bottom of the segment. Thus, according to the present invention it is possible to transport containers of different sizes (length and diameter) and of virtually any shape reliably and without glass-to-glass-contact, particularly vials, syringes, dual-chamber syringes, cartridges, dual-chamber cartridges and vartridges.
Here, the sealing means enables a reliable sealing of the interior of the transport and packaging container against the environment, which may be in principle also configured for a sterile storage of containers in the interior. Preferably, the segments can be drawn out or separated repeatedly and be pushed back or stuck together to the transport and packaging container repeatedly, for example, for the temporary removal of containers for further processing in a processing station and their subsequent packaging, e.g. for a sterile transport to another processing station or to the end customer. Whereas according to the prior art this required the breaking of seals, e.g. of sterile protecting foils, according to the present invention the transport and packaging containers can be opened and sealed again virtually for any number of times.
The segments can have almost any shape as long as they can form a closed transport and packaging container in the assembled state. Segments having plate-shaped side walls and/or bottoms have turned out to be of particular use, wherein the side walls preferably form the sidewalls of the transport and packaging container in the assembled state of the segments.
According to a preferred further embodiment, the segments are each jointly formed as drawers that can be pulled out, each consisting of three side walls and a bottom, so that the transport and packaging container can be opened and closed again by pushing the drawers sideward.
In general preference is given to embodiments in which a total of two segments in the manner of drawers form a transport and packaging container that is overall box-shaped. In general it is, however, also possible that in the case of a plurality of segments, which are each designed in the manner of a drawer, respectively one segment is disposed above another segment and these are inserted into each other for jointly forming a transport and packaging container in a stacked arrangement consisting of a plurality of segments, from which the individual drawer-like segments can be removed again.
For this purpose, according to a further embodiment, guide rails and guide recesses are provided preferably at the segments, which are formed corresponding to each other and which guide the segments for assembling the transport and packaging container. Thus, the transport and packaging container can be disassembled and assembled in a particularly simple manner, namely by laterally inserting the segments, which may be performed both manually and automated, e.g. using a robot in a processing station.
Here, according to a further embodiment the guide rails and guide recesses of the segments may also serve for accomplishing the desired sealing of the transport and packaging container. For this purpose, the guide rails or guide recesses may be surrounded by suitable sealing lips that prevent contaminants from entering the interior of the transport and packaging container. Or the guide rails and guide recesses may be provided with a resilient plastic plating, for example, formed by means of a two-component injection molding technology, so that the resilient plastic plating is pressed resiliently against opposite side walls of the guide rails or guide recesses of the other segment in order to seal the interior of the transport and packaging container specifically also in these areas.
For implementing an additional sealing of the interior of the transport and packaging container, according to a further embodiment at least one additional recess or at least one additional protrusion is formed at the bottom edge of the side walls of the respective segment, which serves as an additional sealing means and extends in the longitudinal direction and in parallel with the guide rails and guide recesses, which are provided on the side walls and which are formed corresponding to each other. Thus, particularly the entering of contaminants into the interior of the transport and packaging container near the bottom edge of the transport and packaging container is further prevented. Here, also the additional recess or the additional protrusion may be provided with a resilient plastic plating in the manner described above, which is, for example, formed using a two-component injection molding technology, so that the additional recess or the additional protrusion of the respectively associated guide rail or guide recess is biased resiliently in order to seal the interior of the transport and packaging container specifically in these areas.
For enabling an even quicker and more reliable opening and closing of the transport and packaging container, according to a further embodiment the segments can be locked directly to one another to form the transport and packaging container. In general, this may also be accomplished by means of locking means provided on the outer surface of the transport and packaging container. According to a preferred further embodiment, however, such locking means are provided directly on the segments or such locking means or are formed by them by means of an appropriate design, in particular of the edges or corner regions of the side walls of the segments in order to lock the segments when the segments are assembled or stuck together to form the transport and packaging container. When assembling or sticking together the at least two segments, thus finally the locking means are in mechanical engagement with each other, to cause the aforementioned locking. Conveniently, for this purpose protrusions and corresponding recesses, which cooperate with each other in a positive-fit manner, are formed at the edges or end portions of the side walls of the segments, which can be locked or latched together and which are preferably biased towards each other resiliently, in particular as the result of the material properties of the side walls in this region itself or by means of resilient return members, in particular by means of springs or the like.
According to a further embodiment, resilient sealing means for sealing the interior of the transport and packaging container against the environment are provided on the segments themselves. This can be accomplished by suitable shaping of the edges or corner regions of the side walls of the segments that are opposite to each other and in abutment with each other when the segments are assembled or stuck together to form the transport and packaging container, so that no undesirable air gaps can remain in these areas. It is advantageous if the edges or corner regions of the side walls have a certain elasticity in these areas in order to bias these areas against each other resiliently or to keep them slightly deformed and pressed against each other when the segments are assembled or stuck together to form the transport and packaging container. This can be accomplished by a suitable choice of the material properties of the side walls in these areas or by disposing resilient sealing lips in these areas. Such resilient sealing lips in principle may be inserted as separate sealing members into grooves, which are provided in the afore-mentioned areas, but may also molded to the segments of a softer resilient plastic material in these areas using a two-component (2K) injection molding technology.
According to a further embodiment, the positioning devices (positioning means) are formed directly on at least one of the segments, in particular integrally formed therewith, which can be implemented easily using an injection molding during the production of the segments from plastic material. For this purpose, pins or wall sections that are formed suitably and integral with the respective segment may protrude at a right angle from the inside or form the bottom of the respective segment to prevent a contact of the directly adjacent containers, when these are accommodated in the transport and packaging container.
According to a further embodiment the positioning devices are formed by a carrier or a supporting structure as a separate component that can be inserted into the transport and packaging container and that can be removed again. A plurality of receptacles is formed in the carrier or supporting structure, which are configured such that the containers can be inserted into the associated receptacles from above or from below.
Preferably, the supporting structure or the carrier is configured in such a manner that the containers are supported by friction or clamped. For frictional supporting or clamping the cylindrical containers receptacles are provided, which are preferably formed such that they are circumferential and extend in the longitudinal direction of the containers. As is well-known, a frictional coupling only requires a sufficient normal force onto the surfaces to be coupled together. The mutual displacement between the container and supporting structure is thus prevented as long as the counteracting force caused by the static friction between the supporting structure and the container is not exceeded. The frictional holding effect stops and the surfaces slide on each other, if the tangential load force is greater than the static friction. However, the latter is unlikely for the relatively low weights of the containers to be accommodated in the supporting structure, but may be utilized in order to displace the containers while being supported in the supporting structure from a first position in axial direction to a second position, in which the containers can be processed further, e.g. in which their openings are closed with a stopper or in which an outer cap (for example a beaded cap or crimp) often made from aluminum sheet is placed on the stopper.
Suitably the frictional coupling is accomplished either below the expanded upper rim of the containers, i.e. at its constricted neck or neck portion below the upper rim, or in the region of the cylindrical side wall. Generally, a support of the bottoms of the containers is not necessary, so that an access to the bottom sides (bottoms) of the containers accommodated in the supporting structure is in general possible. In other words, the containers can be processed further batch-wise in the supporting structures, when these are taken out of the transport and packaging container, but remain supported reliably and free of collisions in the supporting structures during the further processing, resulting in significant advantages with regard to processing speed and in benefits for the automation of processing units and thus overall results in even more economical and more cost-efficient processes. The containers can be raised, in particular in axial direction, or rotated in the supporting structure. According to further embodiments the containers can also be lyophilized in the supporting structure, because a direct contact of the bottoms to a cooling finger of a freeze-dryer is possible. Bottoms or upper ends of the containers can be fixed in a simple manner at a height level, so that all bottoms can be arranged in a common plane, which allows a direct contact to planar processing stations, particularly to a cooling finger or a cooling tray of a freeze-dryer.
Here, the supporting structure suitably permits removing the containers towards the upper side or lower side. Since the position of the forced engagement or frictional engagement between the container and the supporting structure can be varied easily, the supporting structure can be used in a very flexible manner also for containers having different outer dimensions, as long as a sufficient normal force for the frictional engagement can be ensured. The containers can in particular be displaced easily in axial direction in the supporting structure, such that containers of different heights can be held in the same supporting structure. The possibility of displacing the containers in the supporting structure in axial direction also enables an easy compensation of tolerances.
According to a further embodiment, the opening widths or the frictional engagement of all receptacles of the supporting structure can be adjusted together by a coordinated adjustment of the side walls of the receptacles. To this end all receptacles of the supporting structure are preferably coupled with each other mechanically so that an adjustment or deformation of the supporting structure results in a coordinated adjustment of the opening widths of all receptacles. To this end the coordinated adjustment is designed such that the side walls of the receptacles can be adjusted by a coordinated adjustment between a first position, in which the containers can be inserted into the receptacles with little effort, and a second position, in which the containers are clamped or fixed by friction in the openings or receptacles of the supporting structure.
According to a further embodiment, at least the bottom of the transport and packaging container is formed of a high-temperature resistant plastic material, in particular of a thermoplastic plastic, which resists temperatures of up to 330° C. and more preferably of up to 350° C., in particular of polyimide (PI), polyetherketone (PEK), polyetheretherketone (PEEK), polyetherketoneketone (PEKK) or polyetherketoneetherketoneketone (PEKEEK). For this purpose the bottom can also be removed temporarily from the other segments of the transport and packaging container. This enables a processing of the containers at very high temperatures.
According to an alternative embodiment, at least the bottom of the transport and packaging container is formed from a metal, wherein the metal is conveniently coated with a plastic material, in particular of a thermoplastic plastic, which resists temperatures of up to 330° C. and more preferably up to 350° C., in particular of polyimide (PI), polyether ketone (PEK), polyetheretherketone (PEEK), polyetherketoneketone (PEKK) or polyetherketoneetherketoneketone (PEKEEK). For this purpose the bottom can also be removed temporarily from the other segments of the transport and packaging container.
According to a further alternative embodiment, at least the bottom of the transport and packaging container is formed of a metal, wherein the metal is applied to the surface together with a base coating material consisting of SiO2, TiO2, Al2O3 or ZrO2, and then tempered or burnt in. Suitable coating methods are, for example, sputtering, PVD, CVD, sol-gel coating or spray coating.
This enables a processing of the containers at very high temperatures, in particular the thermal destruction of endotoxins, the lysis of the bacteria, as well as a number of other cytokine inducing substances (CIS), as well as burning-in silicones in the containers, in particular in glass containers formed of glass, but also a freeze-drying of substances stored in the containers, while the containers are accommodated in the transport and packaging container, in a segment thereof or in a carrier, which is accommodated or inserted in the transport and packaging container. It is advantageous that it is not necessary to remove the containers from the transport and packaging container or from a carrier accommodated or inserted therein and to isolate them for the processing, but that the containers can be processed directly. A re-insertion of the containers into the positioning devices of the transport and packaging container or of a carrier accommodated therein is thus not necessary according to the invention.
According to a further embodiment, side walls of the transport and packaging container are provided at least in sections with openings that are closed by means of a foil, preferably a gas-permeable plastic foil that is bonded or applied in a different manner, in particular a meshwork of synthetic fibers such as polypropylene fibers (PP) or a Tyvek® protective film. The openings may be provided in particular as relatively large openings for example on side walls of the transport and packaging container. Or the side walls are provided in sections with a permeable, grid-like structure to which the plastic foil is then applied as a cover to seal the grid-like structure. Thus, the transport and packaging containers can be sterile sealed by means of the plastic foil. Thus a gas can flow through the openings to sterilize the interior of the transport and packaging container. By means of the foil it is ensured that the interior of the transport and packaging container is sealed sterile against the environment.
According to a further aspect of the present invention there is provided a process for the thermal treatment of containers for substances for medical, pharmaceutical or cosmetic applications, using particularly a transport and packaging container as described above and/or a carrier comprising positioning devices as described above, wherein the bottom of the transport and packaging container together with a plurality of cylindrical containers accommodated therein or the carrier together with a plurality of cylindrical containers is processed in a thermal processing station (a station which processes the containers at high temperatures), in particular in a hot oven or in a hot tunnel, at temperatures of up to 330° C. or up to 350° C. It is an advantage that it is not necessary to remove the containers from the transport and packaging container or from a carrier accommodated therein and to isolate the containers for the processing, but that the containers can be processed directly. Thus, a re-insertion of the containers into the positioning devices of the transport and packaging container or of a carrier accommodated therein is not necessary according to the present invention.
According to a further embodiment, the method comprises the further steps of: disposing the plurality of containers in the transport and packaging container for positioning the containers by means of the positioning devices in the interior of the transport and packaging container in a regular array so that collisions of directly adjacent containers are prevented; and processing the plurality of containers while they are arranged in the transport and packaging container or in a segment thereof in a thermal processing station, in particular in a hot oven or a hot tunnel, at temperatures of up to 330° C. or up to 350° C. First, the containers that are intended for storing the substances for medical or pharmaceutical applications are inserted in a transport and packaging container, as described above. In this state, the containers may be packaged and transported or stored in a sterile manner, because the transport and packaging container is designed for this purpose. In general, the processing of the containers at very high temperatures can be performed without further opening of the transport and packaging container. According to preferred embodiments, however, the transport and packaging container is disassembled such that the containers arranged in at least one of its segments, if necessary in a carrier disposed in said at least one segment, are accessible for a further processing, for example for the filling of the containers. After the processing at very high temperatures the transport and packaging container is closed by assembling or sticking its segments again together, so that a state can be obtained again in which the containers are packaged sterile and transported or stored in the transport and packaging container.
According to a further embodiment, for this purpose the segments are assembled or stuck together to form again the transport and packaging container so that the sealing means seal the interior of the transport and packaging container against the environment.
According to a further embodiment, the method further comprises the steps of: opening the transport and packaging container by displacing or releasing at least one segment of the plurality of segments of the transport and packaging container so that the interior of the transport and packaging container is accessible for the removal of the carrier together with the plurality of containers supported by it; removing the carrier together with the plurality of containers supported by it out of the transport and packaging container or at least out of a segment thereof; processing of the plurality of containers while they are supported by the carrier in the thermal processing station, in particular in a hot oven or in a hot tunnel, at temperatures of up to 330° C. and preferably of up to 350° C.; placing the carrier together with the plurality of containers supported by it in or on at least one of the segments; and assembling of or sticking together the segments, to jointly form the transport and packaging containers so that the sealing means seal the interior of the transport and packaging container against the environment. Thus, the containers can be processed directly and while they are supported in the receptacles. A re-insertion of the containers into the positioning devices of the carrier is therefore not necessary according to the present invention.
According to a further embodiment, the processing of the plurality of containers is performed in a hot oven or hot tunnel at temperatures of up to 330° C. and preferably of up to 350° C. so that endotoxins and/or the lysis of bacteria and/or cytokine inducing substances (CIS) are removed thermally in the containers. A re-insertion of the containers into the positioning devices of the transport and packaging container or of a carrier accommodated therein is therefore not necessary according to the present invention.
According to a further embodiment, the processing of the plurality of containers is performed in a hot oven or hot tunnel at temperatures of up to 330° C. and preferably of up to 350° C. so that silicone layers are burned-in on inner surfaces of the containers, in particular of a bottom or a bottom end thereof. A re-insertion of the containers into the positioning devices of the transport and packaging container or of a carrier accommodated therein is therefore not necessary according to the present invention.
A further aspect of the present invention relates to the use of a transport and packaging container comprising a plurality of containers accommodated therein in a carrier, as described above, for the processing at temperatures of up to 330° C. and preferably of up to 350° C. in a hot oven or hot tunnel.
According to a further embodiment, the processing is performed at temperatures of up to 330° C. and preferably of up to 350° C. in the hot oven or hot tunnel in such a manner that endotoxins and/or the lysis of bacteria and/or cytokine inducing substances (CIS) in the containers can be removed thermally or that silicone layers on the inner surfaces of the containers, in particular on a bottom and a bottom end thereof, can be burned-in. A re-insertion of the containers into the positioning devices of the transport and packaging container or of a carrier accommodated therein is therefore not necessary according to the present invention
The invention will now be described by way of example and with reference to the accompanying drawings, from which further features, advantages and problems to be solved will become apparent. In the drawings:
a-1c show a transport and packaging container according to a first embodiment of the present invention;
a-2b show a transport and packaging container according to a further embodiment of the present invention;
a-4d show a transport and packaging container according to a further embodiment of the present invention, wherein also details of the sealing means are shown.
a-5c show a transport and packaging container according to a further embodiment of the present invention;
a-8d show further supporting structures, which are suitable for use in a transport and packaging container according to the present invention;
In the drawings, identical reference numerals designate identical or substantially equivalent elements or groups of elements.
According to the present invention, a transport and packaging container with or without an additional supporting structure, as described below, is used for concurrently supporting a plurality of containers for storage of substances for medical, pharmaceutical or cosmetic applications in an array configuration, in particular in a matrix configuration with regular intervals between the containers along two different directions in space, preferably along two mutually orthogonal spatial directions.
An example of such containers embodied as vials is shown schematically in the enlarged inserts in
Another example of a medication container in the sense of the present application are ampoules, cartridges and syringes or injection containers.
In the sense of the present invention, such containers are used for storage of substances or agents for medical, pharmaceutical or cosmetic applications, which are to be stored in one or several components in solid or liquid form in the container. Especially in the case of glass containers storage periods can amount many years, notably depending on the hydrolytic resistance of the glass type used. While, in the following, cylindrical containers are disclosed, it should be noted that the containers, in the sense of the present invention, may also have a different profile, for example a square profile, rectangular profile or polygonal profile.
Inevitably such containers have tolerances due to the production which can be of the order of one or several tenths of a millimeter in particular for glass containers. To compensate for such manufacturing tolerances, while ensuring that all bottoms 3 or bottom ends of the containers can be disposed in a common plane, according to the present invention the containers are fixed on a supporting structure by means of a frictional fit or clamping. This frictional fit is implemented either in the region of the cylindrical side wall 4 or at the bottom closed end or bottom of the containers or in accordance with other preferred embodiments in the region of the constricted neck portion 5. In the latter case, at least the great majority of the containers is frictionally supported in the region of the constricted neck portion 5, which, however, according to further embodiments is not intended to exclude that in individual containers with large manufacturing tolerances with respect to their axial length the transition region between the upper rim 6 and the constricted neck portion 5 exceptionally may also be engaged behind or supported in positive fit manner.
For concurrently supporting a plurality of containers, a supporting structure 25 (also referred to as a “nest” in the prior art) is provided, which will be explained hereinafter with reference to
When the containers are inserted into the receptacles 39 of a supporting structure 25 as shown in
For the transport and packaging of a supporting structure in the sense of the present application with the containers accommodated therein a transport and packaging container 1 (referred to as “tub” in the prior art) is used as schematically shown in
Such a transport and packaging container 10 is preferably formed of a plastic material, in particular using plastic injection molding technology, and is preferably formed of a clear transparent plastic material to enable an optical visual inspection of the supporting structure 25 accommodated in the transport and packaging container 10 and of the containers 2 supported by it.
With reference to
A plurality of pins 324 project perpendicularly from the bottom 323 of the upper segment 320, which act as positioning devices (positioning means) in the sense of the present application, which are arranged in a regular array and which form respective receptacles 325, in which the containers, such as vials, can be accommodated (cf.
b shows a matching lower segment 330 that is also formed in the manner of a drawer having a bottom 333, two lateral side walls 331 and a rear side wall 332, both of which protrude at right angles from the bottom 333.
The two segments 320, 330 may be inserted in the manner of drawers, as shown in
The two segments 320, 330 together with the containers positioned by one of the two segments can be inserted into each other. Further measures to seal the transport and packaging container 1 will be described below with reference to
a and 2b show a further embodiment of such a transport and packaging container 1.
a to 4d show further details of the two drawer-like segments 320, 330 of the transport and packaging container. According to the enlarged view of the area A in
This sealing may be assisted by additional sealing means, which are formed along the lower segment of the two segments, as shown schematically in
Referring to
According to
In the arrangements described above, the containers 2 are arranged in a regular arrangement distributed along two mutually orthogonal directions and in a plane at predetermined constant intervals. In principle also other periodic arrangements are conceivable: for example, adjacent rows or columns of containers 2 may also be offset by a predetermined length from one another, namely in a periodic configuration with a predetermined periodicity. Thus, automated production systems may expect the containers 2 at precise predetermined positions when they are transferred to a processing station, which significantly reduces the automation effort necessary. The further processing of the containers 2 can be performed while they are accommodated in a supporting structure 25 and/or while the containers are accommodated in one of the segments of the transport and packaging container.
For this purpose, it is expedient if the bottom of the transport and packaging container is formed of a metal, wherein the metal is advantageously coated with a plastic material, in particular a thermoplastic, which resists temperatures of up to 330° C. and more preferably of up to 350° C., in particular, polyimide (PI) having a melting point of about 368° C., polyetherketone (PEK) having a melting point of about 375° C., polyetheretherketone (PEEK) having a melting point of about 341° C., polyetherketoneketone (PEKK) having a melting point of about 380° C. or polyetherketoneetherketoneketone (PEKEEK) having a melting point of about 384° C.
For this purpose, it may also be expedient if the bottom of the transport and packaging container is formed of a high-temperature-resistant plastic material, in particular of a thermoplastic or polyimdide (PI) or polyetherketone (PEK) or of polysulfone (PSU) or of polyetheretherketone (PEEK), or preferably of a polyetheretherketon (PEEK) having a melting point above 330° C., more preferably up to 350° C.
a to 6e show a further embodiment of a supporting structure (carrier). This supporting structure 25 is formed by a plurality of hexagonal receptacles 39 for accommodating containers 2, which are formed by two pairs of side walls 45 converging at an obtuse angle which are connected with each other via flexible clamping webs 46. As can be concluded from
The wave-shaped webs 47 press the receptacles 39 of the supporting structure 25 in the illustration of
a-7c show a further example for a supporting structure for use in a transport and packaging container according to the present invention. According to the upper part of
b shows the supporting structure 25 according to
In this embodiment the rectangular basic shape of the supporting structure 25 is achieved by the form-fitting elements 110 having an L-shaped profile, which are disposed on the outer walls of the outer base units, so that an essentially U-shaped receptacle having a longitudinal slot is formed in the base, into which the latching rail 111 is engaged, which is provided with a corresponding T-shaped profile. By means of the latching rail 111 also a fixation of the positions of all the base units 100 may be accomplished, for example by screwing or clamping of the latching rail 111 in any case to the front and rear base units 100 of a column or row of the matrix-shaped supporting structure 25.
a-8d show a further example for a supporting structure for use in a transport and packaging container according to the present invention. This supporting structure 25 comprises a plurality of transverse webs 35, which extend in parallel with each other and which are connected to each other via S-shaped connecting webs 36, which are disposed at regular intervals and extend substantially perpendicularly to the transverse webs 35. More specifically, the connecting webs 36 are connected with the transverse webs 35 via front and rear ends 37, 38, respectively, which are curved over in opposite directions. The connecting webs 36 are made of a plastic, preferably from a flexible plastic. The transverse webs 35 preferably have a greater stiffness than the connecting webs 36. Due to the S-like shape of the connecting webs 36, the transverse webs 35 are offset to each to each other in the longitudinal direction by a constant distance, so that the supporting structure 25 is configured overall as a parallelogram having a basis in the region of the lower rim of the supporting structure 25 shown in
For converting the supporting structure 25 from the first position shown in
c and 8d show in greatly enlarged partial views the fixation of the containers 2 at such a supporting structure. On both sides of the supporting webs 36 respective concave portions 36a are formed, wherein the radius of curvature of both concave receptacles of the portions 36a is matched to the radius of the containers 2. In the second position according to
While it was explained in the previous embodiments, that the containers are placed upright and with its open end toward the upper end of the transport and packaging container, the containers can in principle also be reversed, i.e. with their open end pointing toward the bottom of the transport and packaging container.
The upper side or the upper side and bottom side of a supporting structure 25 according to the present invention or also of a transport and packaging container 1 according to the present invention can be covered by a sterile, gas-permeable protective foil which is bonded and drawn off, if necessary. This is exemplified in
According to
In order to reduce the base area of the carrier 25 even further, it may be advantageous if the edge portions 150 of the carrier 25 can be removed or pivoted away. This simple measure increases the achievable packing density of the container 2 when loading the hot oven or hot tunnel 220.
For processing the containers 2 at the very high temperatures, it is not necessary to remove them out of the carriers and isolate them, which would be awkward. Rather, the containers 25 are still accommodated reliably in the receptacles of the carrier 25 during processing. To ensure the thermal stability of the carrier 25, the carrier 25 and/or at least the receptacles of the carrier 25 are formed of a high-temperature-resistant plastics material, in particular of a thermoplastic, which can withstand to the high processing temperatures of up to 330° C. and preferably up to 350° C. Preferably the thermoplastic is polyimide (PI), polyetherketone (PEK), polyetheretherketone (PEEK), polyetherketoneketone (PEKK) or polyetherketoneetherketoneketone (PEKEEK) having a melting point of up to 330° C. and preferably up to 350° C.
The processing of the plurality of containers 2 in the hot oven or hot tunnel at tem-temperatures of up to 330° C. and preferably up to 350° C. is performed in such a manner that endotoxins and/or the lysis of bacteria and/or cytokine inducing substances in the containers 2 can be removed thermally.
The processing of the plurality of containers 2 in the hot oven or hot tunnel at tem-temperatures of up to 330° C. and preferably up to 350° C. can also be performed in such a manner that silicon layers on inner surfaces of the containers 2, and in particular on a bottom 3 and bottom portion thereof, are burnt-in. Applying the silicon layer (siliconization) is performed by applying an amount of silicone oil or emulsion on at least a portion of the inner surface of each container. For this purpose a predetermined amount of silicone may be applied. In addition, it can be provided to remove excess silicone immediately, for example by wiping or rinsing. The deposited silicone oil is then fixed or baked by heat treatment at temperatures between 150° C. and 350° C. For this purpose it may be further provided that unbound or non-covalently bound silicone is removed completely or partially by wiping or rinsing.
Of course, the aforementioned processing of the containers does not rule out that these are e.g. displaced temporarily by lifting to a different level. This can be achieved for example by means of a coordinated adjustment of all receptacles 39 of the carrier 25, as shown for example in
According to an alternative embodiment (not shown), the containers are processed in the hot oven or hot tunnel at the very high temperatures of up to 330° C. and preferably up to 350° C. while they are accommodated in a transport and packaging container, as described above and while they are positioned reliably by the positioning devices in the array configuration. To ensure the thermal stability of the transport and packaging container and of its positioning devices, the transport and packaging container, or at least its bottom portion, which may be formed by one segment, as described above, is formed of a high-temperature-resistant plastic material, in particular of a thermoplastic that can withstand temperatures of up to 330° C. and more preferably up to 350° C., in particular of polyimide (PI), polyetherketone (PEK), polyetheretherketone (PEEK), polyetherketoneketone (PEKK) or polyetherketoneetherketoneketone (PEKEEK).
According to an alternative embodiment the transport and packaging container, or at least its bottom portion, is formed of a metal that can withstand the temperatures during the processing of up to 330° C. and preferably up to 350° C.
For the processing the transport and packaging container can be opened first, as described above, by shifting or releasing at least one segment of the plurality of segments 320, 330 (see
In this open state, or alternatively, while the transport and packaging container is closed, the processing in the hot oven or hot tunnel is performed at the very high temperatures of up to 330° C. and preferably up to 350° C., while the containers are positioned in the regular array configuration by the positioning devices or by a carrier disposed in the transport and packaging container.
If the transport and packaging container has been opened for the processing, the assembling or sticking together of the segments for closing again the transport and packaging container is performed in such a manner that the sealing means seal the interior of the transport and packaging container sterile against the environment.
Referring to the schematic flow diagram of
In step S1, the transport and packaging container (in
In the optional step S4, the transport container can be opened again to provide access to the containers accommodated therein or to the carrier accommodated therein. Unless the thermal treatment of the containers should not be carried out directly in the transport container, the optional method step S5 follows, in which the carrier is removed from the transport container.
Then, in step S6 a thermal treatment of the containers is performed, either while they are accommodated in the preferably closed transport container or while they are accommodated in the carrier after the carrier has been removed out of the transport container. The thermal treatment can in particular take place at very high temperatures of up to 330° C. and preferably up to 350° C.
Then, the containers can be processed either immediately, e.g. they can be filled and then sealed sterile and packaged, or they are inserted together with the carrier again into the transport container, which is then sealed again in the optional process step S7, as described above. In the latter state, the heat treated containers can then be sterile stored or transported in the transport container.
It will be readily apparent for the person skilled in the art upon reading the above description that the various aspects and features of the embodiments described above may be combined in any manner with one another, resulting in numerous further embodiments and modifications. It will be readily apparent for the person skilled in the art upon reading the above description that all such further embodiments and modifications shall be comprised by the present invention, as long as these do not depart from the general solution and scope of the present invention, as defined in the appended claims.
| Number | Date | Country | Kind |
|---|---|---|---|
| 10 2013 114 404.7 | Dec 2013 | DE | national |
