WO2025003503A1 - Ampulle für eine medizinische, insbesondere ophthalmologische, flüssigkeit - Google Patents
Ampulle für eine medizinische, insbesondere ophthalmologische, flüssigkeit Download PDFInfo
- Publication number
- WO2025003503A1 WO2025003503A1 PCT/EP2024/068411 EP2024068411W WO2025003503A1 WO 2025003503 A1 WO2025003503 A1 WO 2025003503A1 EP 2024068411 W EP2024068411 W EP 2024068411W WO 2025003503 A1 WO2025003503 A1 WO 2025003503A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ampoule
- section
- twist
- neck
- shoulder
- 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.)
- Ceased
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Classifications
-
- 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
- A61J1/06—Ampoules or carpules
- A61J1/067—Flexible ampoules, the contents of which are expelled by squeezing
Definitions
- the invention relates to an ampoule for a medical fluid, in particular for an ophthalmological fluid, according to the preamble of patent claim 1.
- Ampoules are used to store, prepare and/or transport medical fluids and can be available in different sizes, for example with a volume between 5 ml and 30 ml.
- a medical fluid contained in such an ampoule can be, for example, a medical agent, such as a drug or another fluid used for medical purposes.
- Such an ampoule generally comprises an ampoule body for holding the medical fluid and a break-off or twist-off part which seals the opening through which the fluid is removed in a fluid-tight manner in the initial state.
- blow-fill-seal Conventional ampoules are manufactured using the so-called blow-fill-seal (BFS) process.
- BFS blow-fill-seal
- the blow-fill-seal process is a process that is used in particular for producing containers for holding liquids.
- a container is formed, filled and sealed in an uninterrupted process in a closed environment within a machine, without the need for operator intervention.
- a plastic material is usually extruded vertically to produce a tubular section, which is then formed and filled in a tool and then sealed. Due to the formation of the container, in particular in a low-germ environment, the blow-fill-seal process is particularly suitable for producing ampoules for holding medical liquids.
- Ampoules are also used in ophthalmology. There they generally have a smaller volume, for example from 0.1 to 5 ml. They contain an ophthalmic liquid or solution that is applied to an eye. They are often used as a single-use or single-dose applicator.
- the liquid is usually a saline-based solution or emulsion that contains or can contain a medication to treat an eye disease. In some cases, the liquid may not contain any medication and instead may only serve as a lubricant and/or tear substitute solution.
- An example of such an ampoule is described in the document EP 3 471 685 Bl. There, only an applicator tip with a blunt tip is described as advantageous in order to avoid scratches in the patient's cornea during application.
- the present invention is based in particular on the object of providing an ampoule for ophthalmic applications which reduces the risk of eye injury during application and enables better dosing.
- the invention is described by an ampoule which in particular has an improved geometry in the head part, which includes the applicator opening through which the liquid to be removed is removed.
- the head part is designed as an ellipsoid section, preferably as a spherical section, with at least one upper base surface in which the applicator opening is located. This makes it possible to achieve improved dosing or a defined dropper ball, while at the same time forming a blunt upper side of the ampoule, so that the risk of eye injury during application is reduced.
- an ampoule for a medical, in particular ophthalmological, liquid comprising a body part for receiving the medical liquid, a shoulder part that adjoins the body part above, a neck part that adjoins the shoulder part above, a head part that adjoins the neck part above, with an applicator opening for removing the medical liquid from the ampoule, and a twist-off part as a closure, which in an initial state of the ampoule is connected to the head part via a predetermined breaking point and closes the applicator opening in a liquid-tight manner.
- the head part is designed according to the invention or preferably as an ellipsoid section, preferably as a spherical section, with at least one upper base surface in which the applicator opening is located.
- the ampoule is preferably an eye drop ampoule.
- the head part is designed as an ellipsoid section, preferably as a spherical section, with at least one upper base surface in which the applicator opening is located, and with a cross-section that increases starting from the neck part and/or decreases in the direction of the applicator opening.
- the head part preferably has a bulge.
- the interior of the neck part is preferably delimited by the curved wall of the ellipsoid section or the spherical section.
- the head part is designed as a hollow spherical ring, wherein the wall of the head part is provided or formed by the spherical layer of the spherical ring.
- the twist-off part provides a tamper-evident closure for the ampoule.
- the twist-off part is arranged completely above the head part and is only connected to the head part via the predetermined breaking point, which is preferably ring-shaped. This enables a defined twist-off behavior with a defined geometry of the predetermined breaking point. The number of edges and/or burrs after the twist-off part has been removed or twisted off is also reduced.
- the predetermined breaking point is located in the upper base surface of the ellipsoid section, preferably the spherical section.
- the base surface is provided as a flat base surface after removal of the turning part, wherein the Applicator opening is limited by a surrounding, flat circular ring, which forms the predetermined breaking point.
- the twist-off part provides a gripping part with a flat contact surface and a contact edge for a fingertip on at least one side, preferably on both sides.
- the twist-off part preferably comprises a cap or closure cap which closes the applicator opening in the initial state.
- the closure cap forms the underside of the twist-off part and is formed in one piece with the gripping part.
- the gripping part extends around the cap and provides a lever for removing the twist-off part.
- the ellipsoid section preferably the spherical section, comprises not only an upper base surface but also a lower base surface. This allows a defined transition to the neck part to be provided.
- the ellipsoid section preferably the spherical section, has a diameter of 4 to 7 mm, preferably 5 mm, in one embodiment. This makes it possible to achieve a defined amount in the dropper ball for eye applications.
- the head part preferably provides a volume of 0.3 to 0.5 ml for a dropper ball to be applied via the applicator opening.
- the neck part has a cross-section that tapers from the shoulder part towards the head part.
- the shoulder part also has a cross-section that tapers from the torso part towards the neck part.
- the ampoule additionally comprises a foot part for arranging a label, wherein the foot part adjoins the body part below.
- the foot part can have a constant cross-section.
- a label for example with product information, is glued to the foot part.
- the body part has a cross-section that tapers from the shoulder part towards the foot part.
- the body part can also have a substantially uniform cross-section.
- a company label and/or optionally also product information is arranged, preferably embossed, on at least one wall of the body part.
- the ampoule is a single-dose applicator.
- the ampoule is designed to hold a volume of 0.1 ml to 3.0 ml, preferably 0.3 ml to 2.0 ml, preferably 0.8 ml to 1.5 ml.
- the ampoule is manufactured using BFS and is preferably made in one piece. Suitable materials for the ampoule include PE (polyethylene) and/or PP (polypropylene).
- the shape and size of the ampoule are determined by the shape and size of the mold. Therefore, the scope of the invention also includes a (blow-fill-seal) BFS system, which comprises an extruder and a mold with a mold, wherein the mold comprises at least one cavity for forming an ampoule according to the invention.
- a BFS system which comprises an extruder and a mold with a mold, wherein the mold comprises at least one cavity for forming an ampoule according to the invention.
- the ampoules are preferably connected to one another in one piece via connecting webs.
- Additional ampoules can be arranged on both sides of each ampoule, so that two connecting webs can be arranged diametrically opposite each other on each ampoule, via which additional ampoules are connected to the ampoule body of the ampoule on both sides of the ampoule. Therefore, the scope of the invention also includes an ampoule arrangement with at least two ampoules, wherein the at least two ampoules are connected to one another in one piece via a connecting web.
- Fig. l.a to l.c show an embodiment of the ampoule according to the invention in the closed initial state in a perspective view (Fig. l.a), a front view (Fig. l.b) and a side view (Fig. l.c);
- Fig. 2. a to 2.c show an embodiment of the ampoule according to the invention with the twist-off part removed in a perspective view (Fig. 2.a), a front view (Fig. 2.b) and a side view (Fig. 2.c);
- Fig. 3 shows an embodiment of the ampoule according to the invention in the state of use without twist-off part in a perspective view
- Fig. 4. a to 4.c show an embodiment of the ampoule according to the invention in the closed initial state with dimensions in a front view (Fig. 4.a), a side view (Fig. 4.b) and a bottom view (Fig. 4.c);
- Fig. 5 shows an embodiment of an inventive
- Ampoule arrangement with several ampoules, each of which is integrally connected to one another via a connecting bridge;
- Fig. 6 shows an embodiment of an ampoule arrangement according to
- Figures l.a to l.c show an embodiment of the ampoule 10 according to the invention in its closed initial state, i.e. after production and before use.
- the closure part 1, which is designed here as a twist-off part, is still firmly connected to the ampoule body or to the other components of the ampoule 10.
- Ampoule 10 is an eye drop ampoule.
- the medicinal liquid contained is therefore an ophthalmic liquid or solution. All liquids that are suitable for the eye are considered an ophthalmic solution.
- the liquid is usually a solution or Saline-based emulsions that contain or may contain a medication to treat an eye condition. In some cases, the liquid may not contain any medication and instead may serve only as a lubricant and/or tear substitute.
- the ampoule 10 is preferably designed as a single-use applicator. It is not possible to reclose the ampoule 10 after opening by removing, twisting or tearing off the twist-off part 1.
- the volume of the ampoule 10 can also be selected so that only a single dose can be withdrawn.
- the ampoule 10 is a single-dose applicator.
- the eye drop ampoule 10 is designed to hold a volume of 0.8 ml to 1.5 ml.
- the ampoule 10 is manufactured using BFS. Preferred materials for manufacturing the ampoule 10 include PE and/or PP.
- the eye drop ampoule 10 is formed in one piece.
- the ampoule 10 is essentially mirror-symmetrical, defined by the plane defined by the axes h and b.
- the ampoule 10 shown comprises a body section 5 for holding the medicinal liquid. Below the body section 5 there is a foot section 6 for arranging a label 9 (see Figure 4.a). Above the body section 5 there is a shoulder section 4. In addition, a neck section 3 is connected above the shoulder section 4. The removal or application section of the ampoule 10 is formed by a head section 2, which is connected above the neck section 3. The head section 2 provides the applicator opening 2a (see Figures 2.a to 3) for removing the medicinal liquid from the ampoule 10.
- the applicator opening 2a is closed with a cap Id.
- the cap Id is a component of the so-called twist-off part 1, which can be removed from the head part 2 by tearing or twisting it off in order to use the ampoule 10.
- the twist-off part 10 is connected to the head part 2 via a predetermined breaking point la. In the example shown, only the cap Id of the twist-off part provides the predetermined breaking point.
- the applicator opening 2a is liquid-tight with or through the twist-off part 1. closed.
- only the cap Id of the twist-off part 1 closes the applicator opening 2a.
- the twist-off part 1 provides a tamper-evident closure.
- the plate-shaped part of the twist-off part 1 runs essentially in the plane defined by the width axis b and the height axis h
- the twist-off part 1 provides a grip part on both sides with a flat contact surface la and a contact edge 1c for a fingertip. This allows the twist-off part 1 to be securely gripped, for example with the thumb and index finger, and removed from the ampoule 10 by twisting it off.
- the grip part is formed in one piece with the cap Id.
- the grip part extends downwards on two sides in a column-like manner around the cap Id.
- the twist-off part 1 is preferably arranged completely above the head part 2.
- the twist-off part 1 extends here exclusively above the head part 2. It does not extend laterally axially along one side of the head part 2.
- the twist-off part 1 is only connected to the top of the head part 2 via its underside.
- twist-off part 1 is only connected to the top of the head part 2 via its cap Id.
- the twist-off part 1, in particular its cap Id, is connected to the head part 2 via a preferably ring-shaped predetermined breaking point la.
- the head part 2 is not part of the turning part 1.
- the head part 2 is designed here as a spherical section with at least one upper base surface, which provides the applicator opening 2a.
- the predetermined breaking point la is located in the upper base surface of the spherical section and is designed as a ring. Further details on the head part 2 are explained in connection with Figures 2.a to 3.
- the head part 2 merges, in particular via a step, for example an edge, into the axially extending neck part 3, which connects the body part 5 to the head part 2 via the shoulder part 4.
- the neck part 3 has a cross-section that tapers from the shoulder part 4 towards the head part 2.
- the neck part 3 is a tube with a cross-section that increases towards the underside.
- the neck part 3 merges downwards into the shoulder part 4.
- the cross-section of the ampoule 10 widens over a step, e.g. an edge or curve, in the Shoulder area.
- the wall of the shoulder part 4 has a smaller gradient compared to the wall of the neck part 3 and with respect to the longitudinal axis of the ampoule 10.
- the shoulder part 4 therefore has a cross-section that increases more strongly, starting from the neck part 3, in the direction of the body part 3.
- the shoulder part 4 has a cross-section that tapers, starting from the body part 5, in the direction of the neck part 2.
- the neck part 3 and the shoulder part 4 together form a kind of funnel. They are funnel-shaped, which has a positive effect on the way the liquid flows out of the ampoule.
- the body part 5 has a cross-section that tapers from the shoulder part 4 towards the foot part 6. At least the body part 5 of the ampoule 10 has a greater width (along the axis b) than depth (along the axis t). This is particularly evident by comparing Figures l.b and l.c. This also applies in particular to the twist-off part 1, the neck part 2 and the foot part 6. This allows the ampoule 10 to be held securely during application and the body part 5 to be compressed in a defined manner in order to apply the medicinal liquid to an eye.
- a marking or logo of the company is arranged on one wall of the body part 5, preferably embossed during the manufacturing process.
- the foot part 6 is enclosed beneath the body part 5.
- the underside of the foot part 6 forms the underside of the ampoule 10.
- the foot part 6 represents a kind of tail that is connected to the body part 5.
- the foot part 6 is plate-shaped here. It is formed here, for example, by a rectangle.
- the foot part 6 has a uniform width in the plane defined by the axes h and b and a uniform depth in the plane defined by the axes h and t.
- a label 9 preferably with product information, can be glued to the foot part 6 (see Figure 4.a).
- Figures 2.a to 3 show an embodiment of the ampoule 10 according to the invention with the twist-off part 1 removed.
- the inventive design of the head part 2 with the applicator opening 2a can be seen.
- the ampoule 10 can be designed such that the head part 2 is designed as an ellipsoid section with at least one upper base surface, which provides the applicator opening 2a.
- the head part 2 is essentially rotationally symmetrical.
- the head part 2 is designed here as a spherical section with at least one upper base surface, which provides the applicator opening 2a.
- a flat base surface is provided, with the applicator opening 2a being delimited by a flat circular ring surrounding it.
- the circular ring preferably forms the area of the predetermined breaking point la.
- the head part 2 has a cross-section that initially increases upwards from the neck part 3 and then decreases again. This creates a bulge in the head part 2.
- the head part 2 has a bulge.
- the head part 2 sits on the neck part 3 like a kind of ball or sphere, with the upper and/or lower tip of the ball or sphere being removed.
- the spherical section of the head part 2 can have only an upper base surface and be completely spherical in the direction of the neck part 3. In the embodiment shown, the spherical section has both an upper and a lower base surface in order to provide the transition to the neck part 3.
- the head part 2 thus has the shape of a spherical ring in its external view.
- the internal volume formed in the head part 2 is preferably not cylindrical, but spherical or at least partially spherical.
- the internal volume or the interior of the head part 2 is essentially completely provided by the curved wall of the head part 2.
- the shape of the interior of the head part 2 corresponds essentially to the shape of the wall of the head part 2.
- the head part is designed as a hollow spherical ring. In the external design of a spherical ring, the interior of the head part 2 is limited or formed by its spherical layer, which provides the wall.
- the special design of the head part 2, especially in conjunction with the twist-off part 1, enables precise dosing of the eye drops and a reduced risk of injury for the user during application.
- the ball portion preferably provides a volume of 0.3 to 0.5 ml for a dropper ball to be applied via the applicator opening.
- the predetermined breaking point la is located in the upper base area of the spherical section.
- the predetermined breaking point la is defined there by the circular ring surrounding the applicator opening 2a.
- Figures 4. a to 4. c show the ampoule according to the invention once again in its closed initial state, but now with dimensions entered and with a label 9 applied, in particular glued, to the base part 6 as an example.
- the dimensions are listed below. They can be combined individually or completely:
- the ampoule 10 has a total height of 40 to 60 mm and/or a maximum width of 17 to 27 mm, preferably 22 mm and/or a maximum depth of 5.4 mm to 9.4 mm, preferably 7.4 mm.
- the turning part 1 has a height of 10.5 to 20.5 mm, preferably
- the head part 2 in particular the spherical section, has a diameter of 4 to 7 mm, preferably 5 mm.
- the upper base surface of the spherical section of the head part 2 is at a radial height of 2 mm.
- the total height of the head part 2, the neck part 3, the shoulder part 4 and the torso part 5 is 19 to 29 mm, preferably 24 mm.
- the hull part 5 has (in width) an opening angle of 0° to 15° or greater than 0° to 15°, and/or (in depth) an opening angle of 5° to 15°, preferably 10°.
- FIG. 5 shows an embodiment of an ampoule arrangement 100 according to the invention with several ampoules 10 arranged in a row. As an example, five ampoules 10 are arranged in a row. The ampoules 10 are each connected to one another in one piece via a connecting web 101.
- Figure 6 shows an embodiment of an ampoule arrangement during or during its production after leaving the mold.
- the ampoules 10 are produced here in a BFS system (not shown), which comprises an extruder and a downstream mold.
- the ampoules 10 are preferably produced continuously in a type of belt 110.
- ampoules 10 are arranged in a row to form an ampoule arrangement 100, which are each connected to one another in the row in one piece via a connecting web 101 (not all of them are provided with reference symbols).
- the molding tool here therefore comprises a mold with 8 cavities.
- two further rows of ampoules 10 are arranged here by way of example.
- the matrix formed is embedded in a type of continuously running belt 110.
- the ampoule arrangements 100 are preferably produced continuously and guided away via the belt 110.
- the arrows indicate the direction of the continuous belt 110.
- the individual ampoule arrangements 100 are then removed from the belt 110 (not shown in the figures).
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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)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480024004.5A CN121013697A (zh) | 2023-06-30 | 2024-06-29 | 用于医疗液体、特别是眼用液体的安瓿瓶 |
| EP24739128.7A EP4734905A1 (de) | 2023-06-30 | 2024-06-29 | Ampulle für eine medizinische, insbesondere ophthalmologische, flüssigkeit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23182822 | 2023-06-30 | ||
| EP23182822.9 | 2023-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2025003503A1 true WO2025003503A1 (de) | 2025-01-02 |
Family
ID=87060707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2024/068411 Ceased WO2025003503A1 (de) | 2023-06-30 | 2024-06-29 | Ampulle für eine medizinische, insbesondere ophthalmologische, flüssigkeit |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4734905A1 (de) |
| CN (1) | CN121013697A (de) |
| WO (1) | WO2025003503A1 (de) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070138215A1 (en) * | 2005-12-21 | 2007-06-21 | Holopack International Corp. | Dispensing container with nipple dispensing head |
| US7487894B2 (en) * | 2004-11-24 | 2009-02-10 | Holopack International Corp. | Dispensing container having contoured dispensing head |
| EP3471685B1 (de) | 2016-06-15 | 2020-10-21 | Robert T. Chang | Einweg-phiolen zur verabreichung von augentropfen |
-
2024
- 2024-06-29 WO PCT/EP2024/068411 patent/WO2025003503A1/de not_active Ceased
- 2024-06-29 CN CN202480024004.5A patent/CN121013697A/zh active Pending
- 2024-06-29 EP EP24739128.7A patent/EP4734905A1/de active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7487894B2 (en) * | 2004-11-24 | 2009-02-10 | Holopack International Corp. | Dispensing container having contoured dispensing head |
| US20070138215A1 (en) * | 2005-12-21 | 2007-06-21 | Holopack International Corp. | Dispensing container with nipple dispensing head |
| EP3471685B1 (de) | 2016-06-15 | 2020-10-21 | Robert T. Chang | Einweg-phiolen zur verabreichung von augentropfen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN121013697A (zh) | 2025-11-25 |
| EP4734905A1 (de) | 2026-05-06 |
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