EP0383131B1 - Collapsible container for liquid substances - Google Patents

Collapsible container for liquid substances Download PDF

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Publication number
EP0383131B1
EP0383131B1 EP90102188A EP90102188A EP0383131B1 EP 0383131 B1 EP0383131 B1 EP 0383131B1 EP 90102188 A EP90102188 A EP 90102188A EP 90102188 A EP90102188 A EP 90102188A EP 0383131 B1 EP0383131 B1 EP 0383131B1
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EP
European Patent Office
Prior art keywords
connection piece
container
discharge connection
discharge
container according
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.)
Expired - Lifetime
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EP90102188A
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German (de)
French (fr)
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EP0383131A1 (en
Inventor
Guenter Falk
Matthias Wesseler
Manfed Rycyk
Vincenzo Arthur Gambardella
Bernd Schenk
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Schiwa GmbH
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Schiwa GmbH
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/10—Bag-type containers

Definitions

  • the present invention relates to a container of plastic film which can be collapsed above its base surface for holding liquid substances, in particular for holding dialysis concentrates, with a filler neck for filling the container and with a removal nozzle for removing the contents from the container and with at least one handle Has filler and / or the removal stutgen as an integrated component.
  • a container is known from DE-B-1766168.
  • Containers of this type are known and have generally also proven themselves for the most varied of applications.
  • Rigid, stiff canisters are still used today for the transport and storage of dialysis concentrates, mainly for larger containers, which are accessible via a screw cap. If necessary, the screw cap is then removed and the removal lance connected to the dialysis machine is immersed in the canister or in the dialysis concentrate.
  • this handling involves some problems: First, the disposal of the relatively large rigid canister is a problem; In medical practices and several parallel dialysis stations, there is an intermediate storage, whereby these canisters may only be used once for reasons of sterility.
  • the canister must be opened before filling and before use in order to be able to insert the removal lance. There is a risk that foreign substances get into the dialysis concentrate and cause secondary contamination.
  • foil bags are now also known which are composed of one or more layers of foil.
  • these foil bags are only suitable for smaller volumes, as the Volume the strength, in relation to a drop or impact load, which has an unfavorable effect on weld seams and so there is a risk of leakage.
  • the known foil pouches also have the disadvantage that they cannot be simply placed on the dialysis machine due to their shape instability; rather, they must be hung on the dialysis machine or on a separate infusion stand using suitable hangers and complementary hangers. Ultimately, this limits the range of motion of the dialysis machine on rollers.
  • the object underlying the invention is to develop a container of the generic type for handling liquid substances, in particular dialysis concentrates, which is simple and sterile to handle, easy to position and easy to dispose of.
  • the container is a so-called collapsible container that collapses when its contents, for example the dialysis concentrate, are removed, but without changing its contact surface, which is determined by its length and width.
  • the container With a suitable choice of its support surface, the container can thus be placed on the usual storage devices in the dialysis machine, whereby it collapses over this support surface.
  • the material thickness of the plastic used is to be chosen so that the container remains tight under heavy mechanical loads (impact, fall).
  • a material with good deformability, durability and unproblematic disposal is preferably chosen as the plastic material, for example LDPE (low density polyethylene) or LLDPE (linear low density polyethylene).
  • the extraction nozzle is closed by means of a rubber stopper and a sealing cap.
  • the closure cover is preferably placed over an annular groove with the interposition of a metal ring on the dispensing nozzle and is tightly connected to it by induction welding.
  • the extraction nozzle also has a sealing membrane, which is intended to ensure tamper evidence.
  • Fig. 1 shows a cuboid container 1, the corners of which are rounded and whose base area determined by the length a and the width b is constant as a supporting surface (left view) and also remains when the contents are removed. 1 (right view), the height c of the container is graded according to different volumes, for example 6, 8 or 10 liters (L6, L8, L10). The container is parked on the dialysis machine and collapses when the contents are removed.
  • the container 1 has a handle 3 or 4 on each of its two end faces, which is used primarily for easy transport and, if appropriate, for fixing it to a suitable suspension, for example on an IV pole. In this regard, it may also be sufficient to provide only one handle.
  • the handles are arranged centrally in relation to the end faces.
  • the container according to the invention is provided in such a way that one of the handles, for example handle 4, is designed such that it comprises a filler neck 5 and a removal neck 6 as an integrated component.
  • Handle, filler neck and tapping spout are molded on or off during the manufacture of the container. Filling neck and tapping neck are closed or encapsulated after the manufacturing process. In this state, the container is sterilized and brought to the filling station, for example in the pharmaceutical factory.
  • the filler neck 5 is cut off and, after filling, welded in a manner known per se in such a way that it is tightly sealed on the one hand and on the other hand has only a minimal residual volume with regard to collapsibility.
  • the extraction nozzle 6 is - as mentioned - also initially closed.
  • a closure lid 7 is then applied, which on the one hand seals the container tightly and germ-free and on the other hand is designed in a special way for the purpose of content removal by means of a removal lance.
  • the cover is adapted to the container and thus to the extraction nozzle.
  • the removal nozzle 6 is shown in section in Fig. 2. It has an annular constriction below the free end face. From this open end face, a stopper 8 made of rubber-elastic material, for example rubber, is inserted into the removal nozzle in such a way that it bears against the aforementioned constriction and stands back against the free end face.
  • the closure cap 7 is then placed on the collar of the removal nozzle which projects beyond the stopper 8. This has a circumferential annular groove 2, into which a metal ring 12, for example a ring made of stainless steel, is inserted before the closure cover 7 is installed. By means of inductive heating of the metal ring, the closure cover 7 is then welded tightly and firmly to the free end face of the removal nozzle. The closure cover 7 thus closes off the removal nozzle 6 tightly.
  • a sealing membrane 9 is inserted as a tamper-evident seal, which is clamped relative to the removal nozzle 6 by means of the sealing cap 7. If dialysis concentrate is now to be removed from the interior of the container 1, the removal lance is pushed through the sealing membrane 9 and the stopper 8 and introduced into the container 1. The removal lance is thus tightly and hygienically enclosed during dialysis.
  • the plug 8 has a stamped slot 8 ', which can be located both on the top and on the bottom of the plug 8. This allows the removal lance to be introduced more easily and, with appropriate prestressing of the stopper 8, to be sealed even better.
  • the stopper 8 there is also the advantage that the container 1 is tightly closed again after the removal of the removal lance; this is a very important factor with regard to the disposal of the container.
  • the removal nozzle 6 provision is made, for example, to provide the closure cover 7 with a coding nozzle 10 which, depending on the content, for example whether acetate or bicarbonate is contained in the container 1, has a different internal cross section. This prevents confusion with the content-specific cross-section of the extraction lance.
  • the constructive design of the extraction nozzle 6 ensures that the correct dialysis concentrate is always used and can also be removed with low contamination.
  • a handle and filling and removal nozzle can be diametrically opposed on two sides of the container 1. It is also conceivable to arrange two handles and to integrate the filler neck on one side and the removal neck on the other. It is also possible to integrate the filler neck on the handle and to attach the tapping neck to the side of the container, for example.

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  • Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Bag Frames (AREA)
  • Closures For Containers (AREA)

Description

Die vorliegende Erfindung betrifft einen oberhalbseiner Grundfläche kollabierbaren Behälter aus Kunststoffolie zur Aufnahme von flüssigen Substanzen, insbesondere zur Aufnahme von Dialyse-Konzentraten, mit einem Füllstutzen zum Befüllen des Behälters und mit einem Entnahmestutzen zur Entnahme des Inhalts aus dem Behälter sowie mit mindestens einem Griff, derden Füllstutgen und/oder den Entnahme stutgen als intezrierten Bestandteil aufweist. Ein derartiger Behälter ist aus der DE-B- 1766168 bekannt.The present invention relates to a container of plastic film which can be collapsed above its base surface for holding liquid substances, in particular for holding dialysis concentrates, with a filler neck for filling the container and with a removal nozzle for removing the contents from the container and with at least one handle Has filler and / or the removal stutgen as an integrated component. Such a container is known from DE-B-1766168.

Behältnisse dieser Art sind bekannt und haben sich im allgemeinen für die unterschiedlichsten Anwendungen auch bewährt.Containers of this type are known and have generally also proven themselves for the most varied of applications.

Im sensiblen Bereich der Medizin und Medizintechnik, insbesondere in Verbindung mit dem Transport, der Aufbewahrung und der Bereitstellung von Dialyse-Konzentraten für Dialysemaschinen sowie in Verbindung mit der Entsorgung der Behälter für die Dialyse-Konzentrate, wird jedoch bis dato im alsemeinen von den bekannten Behältnissen aus an sich unerklärlichen Gründen noch wenig Gebrauch gemacht. Offenbar ist ein latentes Vorurteil vorhanden, sensible, insbesondere pharmazeutische Substanzen, wie eben Dialyse-Konzentrate, mittels derartiger Behältnisse zu handhaben.In the sensitive area of medicine and medical technology, in particular in connection with the transport, storage and provision of dialysis concentrates for dialysis machines and in connection with the disposal of the containers for the dialysis concentrates, has so far been known from the known containers made little use for reasons that are inexplicable. Apparently there is a latent prejudice to handle sensitive, in particular pharmaceutical substances, such as dialysis concentrates, by means of such containers.

Für den Transport und die Aufbewahrung von Dialyse-Konzentraten werden auch heute noch, und zwar überwiegend für größere Gebinde, starre steife Kanister benutzt, die über eine Schraubkappe zugänglich sind. Im Bedarfsfall wird die Schraubkappe dann abgenommen und die mit der Dialysemaschine verbundene Entnahmelanze in den Kanister bzw. in das Dialyse-Konzentrat eingetaucht. Diese Handhabung bringt jedoch einige Probleme mit sich:
   Einmal ist die Entsorgung der relativ großen starren Kanister ein Problem; in Arztpraxen und mehreren parallelen Dialysestationen ergibt sich eine Zwischenlagerung, wobei diese Kanister aus Sterilitätsgründen jeweils nur einmal verwendet werden dürfen.Rigid, stiff canisters are still used today for the transport and storage of dialysis concentrates, mainly for larger containers, which are accessible via a screw cap. If necessary, the screw cap is then removed and the removal lance connected to the dialysis machine is immersed in the canister or in the dialysis concentrate. However, this handling involves some problems:
First, the disposal of the relatively large rigid canister is a problem; In medical practices and several parallel dialysis stations, there is an intermediate storage, whereby these canisters may only be used once for reasons of sterility.

Der Kanister muß zum Befüllen und vor der Ingebrauchnahme geöffnet werden, um die Entnahmelanze einführen zu können. Dabei besteht die Gefahr, daß Fremdstoffe in das Dialyse-Konzentrat gelangen und eine Sekundärkontamination verursachen.The canister must be opened before filling and before use in order to be able to insert the removal lance. There is a risk that foreign substances get into the dialysis concentrate and cause secondary contamination.

Bezüglich der Frage der Entsorgung, d.h. im Hinblick auf das große Abfallvolumen bei Kanistern sind inzwischen auch Folienbeutel bekannt geworden, die sich aus einer oder mehreren Folienlagen zusammensetzen. Diese Folienbeutel sind jedoch nur für kleinere Volumina geeignet, da sich mit zunehmendem Volumen die Festigkeit, bezogen auf eine Fall- bzw. Stoßbelastung, der Schweißnähte ungünstig auswirkt und so die Gefahr von Leckagen besteht. Die bekannten Folienbeutel weisen darüberhinaus den Nachteil auf, daß sie aufgrund ihrer Forminstabilität nicht einfach an der Dialysemaschine abgestellt werden können; sie müssen vielmehr über geeignete Aufhängemittel und komplementäre Einhängemittel an der Dialysemaschine oder an einem separaten Infusionsständer aufgehängt werden. Damit ist letztlich der Bewegungsradius der auf Rollen stehenden Dialysemaschine stark eingeengt.With regard to the question of disposal, ie with regard to the large volume of waste in canisters, foil bags are now also known which are composed of one or more layers of foil. However, these foil bags are only suitable for smaller volumes, as the Volume the strength, in relation to a drop or impact load, which has an unfavorable effect on weld seams and so there is a risk of leakage. The known foil pouches also have the disadvantage that they cannot be simply placed on the dialysis machine due to their shape instability; rather, they must be hung on the dialysis machine or on a separate infusion stand using suitable hangers and complementary hangers. Ultimately, this limits the range of motion of the dialysis machine on rollers.

Die der Erfindung zugrunde liegende Aufgabe besteht darin, für die Handhabung von flüssigen Substanzen, insbesondere von Dialyse-Konzentraten, einen Behälter der gattungsgemäßen Art zu entwickeln, der einfach und steril zu handhaben, einfach in Position zu bringen und einfach zu entsorgen ist.The object underlying the invention is to develop a container of the generic type for handling liquid substances, in particular dialysis concentrates, which is simple and sterile to handle, easy to position and easy to dispose of.

Die vorgenannte Aufgabe wird mit den Kennzeichnenden Merkmalen des Anspruchs 1 gelöst.The above object is achieved with the characterizing features of claim 1.

Dabei handelt es sich - mit anderen Worten ausgedrückt - um einen sogenannten kollabierbaren Behälter, der mit der Entnahme seines Inhalts, beispielsweise des Dialyse-Konzentrats, in sich zusammenfällt, ohne jedoch seine über die Länge und Breite bestimmte Auflagefläche zu verändern. Damit läßt sich der Behälter bei geeigneter Wahl seiner Auflagefläche auf den üblichen Ablagevorrichtungen in der Dialysemaschine abstellen, wobei er über dieser Auflagefläche in sich zusammenfällt. Die Materialstärke des verwendeten Kunststoffs ist dabei so zu wählen, daß der Behälter bei einer starken mechanischen Belastung (Stoß, Fall) dicht bleibt. Als Kunststoffmaterial wird vorzugsweise ein Material mit guter Verformbarkeit, Beständigkeit und unproblematischer Entsorgung gewählt, beispielsweise LDPE (Low Density Polyethylen) oder LLDPE (Linear Low Density Polyethylen).In other words, it is a so-called collapsible container that collapses when its contents, for example the dialysis concentrate, are removed, but without changing its contact surface, which is determined by its length and width. With a suitable choice of its support surface, the container can thus be placed on the usual storage devices in the dialysis machine, whereby it collapses over this support surface. The material thickness of the plastic used is to be chosen so that the container remains tight under heavy mechanical loads (impact, fall). A material with good deformability, durability and unproblematic disposal is preferably chosen as the plastic material, for example LDPE (low density polyethylene) or LLDPE (linear low density polyethylene).

Es geht insbesondere darum, den genannten Behälter mit einem oder auch zwei Griffen zum Transportieren so zu modifizieren, daß der Griff oder die Griffe den Füllstutzen und/oder den Entnahmestutzen als integrierten Bestandteil umfassen. Der Entnahmestutzen ist dabei mittels eines Gummistopfens und eines Verschlußdeckels verschlossen.It is particularly a question of modifying said container with one or two handles for transportation so that the handle or handles comprise the filler neck and / or the removal neck as an integral part. The extraction nozzle is closed by means of a rubber stopper and a sealing cap.

Weiterbildungen bzw. besondere Ausgestaltungen des erfindungsgemäßen Behälters sind Gegenstand der Unteransprüche. Der Verschlußdeckel ist bevorzugt über eine Ringnut unter Zwischenlage eines Metallrings auf den Entnahmestutzen aufgesetzt und durch Induktionsschweißung dicht mit diesem verbunden ist. Der Entnahmestutzen weist zusätzlich eine Dichtmembran auf, die als Originalitätssicherung gedacht ist.Further developments or special configurations of the container according to the invention are the subject of the dependent claims. The closure cover is preferably placed over an annular groove with the interposition of a metal ring on the dispensing nozzle and is tightly connected to it by induction welding. The extraction nozzle also has a sealing membrane, which is intended to ensure tamper evidence.

Die Erfindung wird im folgenden anhand der Zeichnung näher erläutert. Diese zeigt in

  • Fig. 1 den erfindungsgemäßen Behälter mit zwei Griffen sowie mit Füll- und Entnahmestutzen in zwei Prinzipdarstellungen;
  • Fig. 2 den Entnahmestutzen nach Fig. 1 als Einzelheit in Schnittdarstellung.
The invention is explained in more detail below with reference to the drawing. This shows in
  • 1 shows the container according to the invention with two handles and with filling and removal nozzle in two basic representations;
  • Fig. 2 shows the sampling port of FIG. 1 as a detail in a sectional view.

Fig. 1 zeigt einen quaderförmigen Behälter 1, dessen Ecken abgerundet und dessen von der Länge a und der Breite b bestimmte Grundfläche als Auflagefläche (linke Ansicht) konstant ist und beim Entnehmen des Inhalts auch bleibt. Gemäß der Seitenansicht nach Fig. 1 (rechte Ansicht) ist die Höhe c des Behälters entsprechend unterschiedlicher Volumina, beispielsweise 6, 8 oder 10 Liter, abgestuft (L6, L8, L10). Der Behälter wird an der Dialysemaschine abgestellt und kollabiert mit der Inhaltsentnahme.Fig. 1 shows a cuboid container 1, the corners of which are rounded and whose base area determined by the length a and the width b is constant as a supporting surface (left view) and also remains when the contents are removed. 1 (right view), the height c of the container is graded according to different volumes, for example 6, 8 or 10 liters (L6, L8, L10). The container is parked on the dialysis machine and collapses when the contents are removed.

Der Behälter 1 weist an seinen beiden Stirnseiten je einen Griff 3 bzw. 4 auf, der in erster Linie dem einfachen Transport und gegebenenfalls der Fixierung an einer geeigneten Aufhängung, beispielsweise an einem Infusionsständer, dienen. Diesbezüglich ist es unter Umständen auch ausreichend nur einen Griff vorzusehen. Die Griffe sind bezogen auf die Stirnflächen mittig angeordnet.The container 1 has a handle 3 or 4 on each of its two end faces, which is used primarily for easy transport and, if appropriate, for fixing it to a suitable suspension, for example on an IV pole. In this regard, it may also be sufficient to provide only one handle. The handles are arranged centrally in relation to the end faces.

Der erfindungsgemäße Behälter ist so vorgesehen, daß einer der Griffe, beispielsweise Griff 4, so konzipiert ist, daß er als integrierten Bestandteil einen Füllstutzen 5 und einen Entnahmestutzen 6 umfaßt. Griff, Füllstutzen und Entnahmestutzen werden bei der Herstellung des Behälters an- bzw. ausgeformt. Füllstutzen und Entnahmestutzen sind nach dem Herstellungsvorgang verschlossen oder verkapselt. In diesem Zustand wird der Behälter sterilisiert und zur Füllstation, beispielsweise in die pharmazeutische Fabrik, gebracht.The container according to the invention is provided in such a way that one of the handles, for example handle 4, is designed such that it comprises a filler neck 5 and a removal neck 6 as an integrated component. Handle, filler neck and tapping spout are molded on or off during the manufacture of the container. Filling neck and tapping neck are closed or encapsulated after the manufacturing process. In this state, the container is sterilized and brought to the filling station, for example in the pharmaceutical factory.

Zur Befüllung wird der Füllstutzen 5 abgeschnitten und nach dem Füllen in an sich bekannter Weise so verschweißt, daß er einerseits dicht verschlossen ist und andererseits im Hinblick auf die Kollabierbarkeit nur ein minimales Restvolumen aufweist.For filling, the filler neck 5 is cut off and, after filling, welded in a manner known per se in such a way that it is tightly sealed on the one hand and on the other hand has only a minimal residual volume with regard to collapsibility.

Der Entnahmestutzen 6 ist - wie erwähnt - ebenfalls zunächst verschlossen. In der Füllstation wird dann ein Verschlußdeckel 7 aufgebracht, der den Behälter einerseits dicht und keimfrei verschließt und andererseits zum Zwecke der Inhaltsentnahme mittels einer Entnahmelanze in besonderer Weise ausgebildet ist. Materialmäßig ist der Verschlußdeckel dem Behälter und damit dem Entnahmestutzen entsprechend angepaßt.The extraction nozzle 6 is - as mentioned - also initially closed. In the filling station, a closure lid 7 is then applied, which on the one hand seals the container tightly and germ-free and on the other hand is designed in a special way for the purpose of content removal by means of a removal lance. In terms of material, the cover is adapted to the container and thus to the extraction nozzle.

Der Entnahmestutzen 6 ist im Schnitt in Fig. 2 dargestellt. Er weist eine ringförmige Einschnürung unterhalb der freien Stirnseite auf. Von dieser offenen Stirnseite her ist in den Entnahmestutzen ein Stopfen 8 aus gummielastischem Material, beispielsweise Gummi, eingesetzt und zwar so, daß dieser an der genannten Einschnürung ansteht und gegen die freie Stirnseite zurücksteht. Auf den über den Stopfen 8 überstehenden Kragen des Entnahmestutzens wird dann der Verschlußdeckel 7 aufgesetzt. Dieser weist eine umlaufende Ringnut 2 auf, in die vor der Montage des Verschlußdeckels 7 ein Metallring 12, beispielsweise ein Ring aus rostfreiem Stahl, eingelegt wird. Mittels induktiver Erhitzung des Metallrings wird sodann der Verschlußdeckel 7 dicht und fest mit der freien Stirnseite des Entnahmestutzens verschweißt. Der Verschlußdeckel 7 schließt somit den Entnahmestutzen 6 dicht ab.The removal nozzle 6 is shown in section in Fig. 2. It has an annular constriction below the free end face. From this open end face, a stopper 8 made of rubber-elastic material, for example rubber, is inserted into the removal nozzle in such a way that it bears against the aforementioned constriction and stands back against the free end face. The closure cap 7 is then placed on the collar of the removal nozzle which projects beyond the stopper 8. This has a circumferential annular groove 2, into which a metal ring 12, for example a ring made of stainless steel, is inserted before the closure cover 7 is installed. By means of inductive heating of the metal ring, the closure cover 7 is then welded tightly and firmly to the free end face of the removal nozzle. The closure cover 7 thus closes off the removal nozzle 6 tightly.

Zwischen dem Verschlußdeckel 7 und dem Stopfen 8 ist als Originalitätsverschluß eine Dichtmembran 9 eingelegt, die mittels des Verschlußdeckels 7 relativ zum Entnahmestutzen 6 verklemmt ist. Soll nun aus dem Inneren des Behälters 1 Dialyse-Konzentrat entnommen werden, so wird die Entnahmelanze durch die Dichtmembran 9 und den Stopfen 8 gestoßen und in den Behälter 1 eingeführt. Die Entnahmelanze ist somit während einer Dialyse fest und hygienisch dicht umschlossen.Between the sealing cap 7 and the plug 8, a sealing membrane 9 is inserted as a tamper-evident seal, which is clamped relative to the removal nozzle 6 by means of the sealing cap 7. If dialysis concentrate is now to be removed from the interior of the container 1, the removal lance is pushed through the sealing membrane 9 and the stopper 8 and introduced into the container 1. The removal lance is thus tightly and hygienically enclosed during dialysis.

Gemäß einer bevorzugten Ausführungsform weist der Stopfen 8 einen eingestanzten Schlitz 8′ auf, der sich sowohl an der Ober- als auch an der Unterseite des Stopfens 8 befinden kann. Damit läßt sich erreichen, daß die Entnahmelanze leichter eingeführt und bei entsprechender Vorspannung des Stopfens 8 noch besser abgedichtet wird. Darüberhinaus ergibt sich auf der Grundlage dieser Konzeption des Stopfens 8 auch der Vorteil, daß der Behälter 1 nach der Entnahme der Entnahmelanze wieder dicht verschlossen ist; dies ist im Hinblick auf die Entsorgung des Behälters ein ganz wesentlicher Faktor.According to a preferred embodiment, the plug 8 has a stamped slot 8 ', which can be located both on the top and on the bottom of the plug 8. This allows the removal lance to be introduced more easily and, with appropriate prestressing of the stopper 8, to be sealed even better. In addition, on the basis of this conception of the stopper 8 there is also the advantage that the container 1 is tightly closed again after the removal of the removal lance; this is a very important factor with regard to the disposal of the container.

In weiterer Ausgestaltung des Entnahmestutzens 6 ist vorgesehen, beispielsweise den Verschlußdeckel 7 mit einem Kodierstutzen 10 zu versehen, der je nach Inhalt, beispielsweise ob Acetat oder Bi-carbonat im Behälter 1 enthalten ist, einen unterschiedlichen Innenquerschnitt hat. Damit können bei inhaltsspezifischem Querschnitt der Entnahmelanze Verwechslungen ausgeschlossen werden.In a further embodiment of the removal nozzle 6, provision is made, for example, to provide the closure cover 7 with a coding nozzle 10 which, depending on the content, for example whether acetate or bicarbonate is contained in the container 1, has a different internal cross section. This prevents confusion with the content-specific cross-section of the extraction lance.

Die konstruktive Gestaltung des Entnahmestutzens 6 gewährleistet, daß stets das richtige Dialyse-Konzentrat verwendet und auch kontaminationsarm entnommen werden kann.The constructive design of the extraction nozzle 6 ensures that the correct dialysis concentrate is always used and can also be removed with low contamination.

Was die konkrete Ausbildung der Griffe 3, 4 und des Füll- bzw. Entnahmestutzens 5 bzw. 6 angeht, so sind unterschiedliche Gestaltungsvarianten denkbar. So können sich beispielsweise ein Griff und Füll- und Entnahmestutzen diametral an zwei Seiten des Behälters 1 gegenüberstehen. Es ist ferner auch denkbar, zwei Griffe anzuordnen und am einen den Füllstutzen und am anderen den Entnahmestutzen zu integrieren. Auch ist es möglich, den Füllstutzen am Griff zu integrieren und den Entnahmestutzen beispielsweise seitlich am Behälter anzubringen.As far as the specific design of the handles 3, 4 and the filling or removal nozzle 5 or 6 is concerned, there are different design variants conceivable. For example, a handle and filling and removal nozzle can be diametrically opposed on two sides of the container 1. It is also conceivable to arrange two handles and to integrate the filler neck on one side and the removal neck on the other. It is also possible to integrate the filler neck on the handle and to attach the tapping neck to the side of the container, for example.

Im Hinblick auf die konstruktive Ausgestaltung des Entnahmestutzens 6 ist noch anzumerken, daß zwischen der genannten ringförmigen Einschnürung und dem Übergang zum Inneren des Behälters 1 ein Freiraum 11 verbleibt, in den die Entnahmelanze eintaucht. Beim Kollabieren des Behälters während der Entnahme des Inhalts ist somit die einfallende Behälterwand vor der Spitze der Entnahmelanze geschützt, so daß auf diesem Wege keine Verunreinigungen entstehen können.With regard to the structural design of the removal nozzle 6, it should also be noted that between the said annular constriction and the transition to the interior of the container 1 there is a free space 11 into which the removal lance is immersed. When the container collapses during the removal of the contents, the incident container wall is thus protected from the tip of the removal lance, so that no contamination can arise in this way.

Claims (6)

  1. A container for liquid substances, in particular for dialysis concentrates, being made of plastic foil and being collapsible above its basis, said container, in order to be filled, having a filler connection piece (5) and a discharge connection piece (6) to remove the contents from the said container as well as at least one handle (4) which comprises the filler connection piece (5) and/or the discharge connection piece (6) as integral constituents,
       characterized in that,
       after being manufactured and before being sterilized and filled, the filler connection piece (5) and the discharge connection piece (6) are sealed or encapsulated and in that, in order to be in the condition to introduce a discharge canule more easily, the discharge connection piece (6) is sealed by a partially weakened stopper (8) of a gum elastic, and over it, by a sealing cover.
  2. A container according to claim 1, characterized by a handle (3, 4) at each of the front sides of the container (1), the filler connection piece (5) being integrated into the one and the discharge connection piece (6) into the other handle.
  3. A container according to claims 1 or 2, characterized in that the partial weakening of the stopper (8) is performed by a slot.
  4. A container according to anyone of claims 1-3, characterized in that the discharge connection piece (6) comprises a connection piece (10) specifically coding the content and being outwardly open.
  5. A container according to anyone of claims 1-4, characterized in that, via a ring groove (2) running around, the sealing cover (7) is stacked onto the free front side of the discharge connection piece (6) in formfitting interlock and that it is firmly linked with the discharge connection piece (6).
  6. A container according to claim 5, characterized in that a metallic ring (12) is inserted into the ring groove (2) and in that the linkage between the discharge connection piece (6) and the sealing cover (7) is performed by inductive heating.
EP90102188A 1989-02-11 1990-02-03 Collapsible container for liquid substances Expired - Lifetime EP0383131B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3904080 1989-02-11
DE3904080A DE3904080A1 (en) 1989-02-11 1989-02-11 CONTAINABLE CONTAINER FOR ACQUIRING LIQUID SUBSTANCES

Publications (2)

Publication Number Publication Date
EP0383131A1 EP0383131A1 (en) 1990-08-22
EP0383131B1 true EP0383131B1 (en) 1993-02-03

Family

ID=6373855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90102188A Expired - Lifetime EP0383131B1 (en) 1989-02-11 1990-02-03 Collapsible container for liquid substances

Country Status (7)

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US (1) US5108387A (en)
EP (1) EP0383131B1 (en)
JP (1) JPH02269659A (en)
DE (2) DE3904080A1 (en)
ES (1) ES2039969T3 (en)
FI (1) FI900624A0 (en)
NO (1) NO900634L (en)

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Also Published As

Publication number Publication date
NO900634L (en) 1990-08-13
JPH02269659A (en) 1990-11-05
DE3904080A1 (en) 1990-08-16
NO900634D0 (en) 1990-02-09
FI900624A0 (en) 1990-02-08
EP0383131A1 (en) 1990-08-22
ES2039969T3 (en) 1993-10-01
DE59000826D1 (en) 1993-03-18
US5108387A (en) 1992-04-28

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