DE7634132U1 - Non-stable double-chamber container made of flexible film material for the administration of two single doses - Google Patents

Description

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Case 7/122
Dr. Office

DR. KARL THOMAE GMBH, BIBERACH AN DER RISS

: Non-steady double-chamber container made of flexible foil material material for the administration of two single doses

The innovation concerns a non-stable double-chamber container made of flexible polien material for the administration of two single doses or two single components, for example of pharmaceutical liquids «

Single-dose containers consisting of a product chamber are known from German Offenlegungsschriften 2 215 215 and 2 261 913.

j For the cases in which two liquids which are mutually 'un-I are compatible, but should be used at the same time or in which these liquids are together shortly before use are to be mixed, the use of single-dose containers has which only consist of one chamber and each contain one or the other liquid, therefore as a disadvantage because the packings can be mixed up very easily. This problem could admittedly go up to a certain point Solve degrees by the fact that the individual packs are clearly marked differently on the outside. But this requires the ; Provision of two types of packs and thus increased production and costs.

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In medicine, too, some fields of application occur in pairs on, for example, the nasal, eye and ear sockets. When using the known single-dose containers are so for a Administration of the drug requires two single-dose containers.

These disadvantages are avoided in that the filling material chamber of the single-dose container is provided with two separate filling material chambers be replaced, the outlet channels of the individual chambers combine in a main channel. Through an opening thread that is in the Main channel rests, on the one hand the main channel is closed to the outside, on the other hand the outlet channels of the two chambers sealed off from each other so that premature mixing of the contents cannot take place. Galenically incompatible with one another When using such a double-chamber single-dose container, substances can safely be stored separately from one another and only briefly before use, e.g. at the place of use, are mixed with one another.

The use of such a double-chamber container instead of two single-dose containers eliminates any risk of confusion and brings with it a not inconsiderable cost and material saving; the consumer only has it with one pack do what is more convenient for him in each case.

The double chamber container according to the innovation consists of two deformable ones Foils, for example made of two deep-drawable aluminum composite foils, into the mirror-synchronic in each case the two two-chamber halves, the associated discharge channel halves and the extraction channel halves, in which the two halves of the discharge channel unite, are embossed. After sealing the two together Foil halves, the removal channel is filled with an opening thread. The latter can consist of plastic material (for example as a monofilament) or plastic-coated textile material. The string on one side closes the merging of the two discharge channels in the removal channel, with its other end is the Thread sealed directly in a tear-off flap.

7634132 07/21/77

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The tear-off flap, like the rest of the container, is made from the same sheet of film and has a at the transition to the container Predetermined breaking point.

It turns out to be advantageous to the thread with his, the drainage channels facing end to extend over the branching of the two discharge channels in the removal channel to thereby to ensure that the two drainage channels are securely closed off from one another. This ensures that the two liquids Jiη the two chambers not during storage or during ■ of the transport can mix with each other; this is for example necessary if the two liquids react with one another or are galenically incompatible with one another in the long term are.

'' The double chamber container is opened by twisting and / or peeling off the tear-off flap from the container, whereby the opening thread is removed from the removal channel and releases an opening of a defined diameter. This will make the way of the fluids ■ released from the chambers via the drainage channels and the extraction channel. The two chambers can be used simultaneously or one after the other be emptied by exerting pressure, for example by means of the fingers.

The containers are produced by sealing two halves of the film embossed in accordance with the elements mentioned above. The respective half-shape is first embossed into an endless strip of film, which are mirror images of each other with their embossments Standing foil strips are then stapled together in a pre-sealing process, whereby the chambers and channels are initially sealed with the exception of the filling openings on the chambers. Simultaneously the pre-cut opening thread introduced into the removal channel in the same station is passed through the pre-sealing jaws in the Tear-off tabs attached and separated by pulling back the strand of thread at the predetermined breaking point of the thread.

7634132 07/21/77

The two chambers are then filled with filling needles unsealed end of the chambers filled and hermetically sealed in an end seal taition also on the filling side. The contour The entire container is made in a subsequent punching station punched out of the endless double foil tape.

The following drawings are intended to illustrate the Explain the innovation in more detail.

Figure I shows a plan view of a double chamber container, FIG. II shows the line system in enlarged form. In the figures, (1) is the film from which the container is made. (2) are the two fillable chambers, which are connected via drainage channels (3) in the branch (4) are connected to the removal channel (5). . (6) is the opening thread, one end (7) of which protrudes beyond the branch (4) and thus the drainage channels (3)

against each other. The other end of the thread (8) is fixed in the tear-off flap (10) by means of a tack (9), the tear-off flap [ is separated from the container when it is opened at the predetermined breaking point (11). The contour (12) of the entire container is punched out of the endless film strip in the punching station. ■

7634132 21.D7.77

Claims (3)

Protection claims 1. Non-stable double-chamber container made of flexible film material for the administration of two single doses or two single components, characterized in that this consists of foils (1), j the filling material chambers (2), discharge channels (3), a branch (*)), a removal channel (5), an opening thread (6), j a tear-off tab (10) and a predetermined breaking point (11). ! ₍ 2. Container according to claim 1, characterized in that the opening thread (6) with its end facing ^{the discharge channels (3) extends over the branch (1} O of the two discharge channels in the removal channel (5) while the other end of the opening thread between Foils of the tear-off flap (10) is tightly sealed. 3. Container according to claims 1 and 2, characterized in that the thread consists of a plastic or plastic-coated Textile fabric is made.