EP3661474B1 - Dispositif de lavage oculaire et procédé d'utilisation du dispositif - Google Patents

Dispositif de lavage oculaire et procédé d'utilisation du dispositif Download PDF

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Publication number
EP3661474B1
EP3661474B1 EP18792994.8A EP18792994A EP3661474B1 EP 3661474 B1 EP3661474 B1 EP 3661474B1 EP 18792994 A EP18792994 A EP 18792994A EP 3661474 B1 EP3661474 B1 EP 3661474B1
Authority
EP
European Patent Office
Prior art keywords
container
piston
eyewash
eye cup
washing fluid
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.)
Active
Application number
EP18792994.8A
Other languages
German (de)
English (en)
Other versions
EP3661474A1 (fr
Inventor
Billy Nilsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gepe Produkte AG
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Gepe Produkte AG
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Filing date
Publication date
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Publication of EP3661474A1 publication Critical patent/EP3661474A1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H35/00—Baths for specific parts of the body
    • A61H35/02—Baths for specific parts of the body for the eyes
    • 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
    • A61J1/14—Details; Accessories therefor
    • A61J1/1412—Containers with closing means, e.g. caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/36—Closures with frangible parts adapted to be pierced, torn, or removed, to provide discharge openings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0153—Support for the device hand-held

Definitions

  • the present invention relates to a device at an eyewash intended for flushing of an eye which, as an example, has been exposed to splashes from corroding agents, gases, hot particles, welding sparks or the like.
  • An eyewash as known in the art commonly includes a bottle-like container made by a plastic material which in connection with the production is filled with a sterile washing fluid.
  • the neck of the bottle-like container having at its outer end a seal, the material of which is thinner than the material of the container otherwise.
  • Said seal exhibits, after the seal has become broken, an outlet orifice for washing fluid communicating with the interior of the container.
  • Said outer end is further furnished with an eye cup intended during the showering of an eye to centre the outlet orifice across the eye and to keep the eye open.
  • a washing means is designed to enclose the seal and a portion of the neck of the container like a hood.
  • Two projections are arranged to, when the washing device, from a starting position, by means of a thump with, for example, a hand against the eye cup, displace these projections against the thinner material of the seal to penetrate this and thereby ensure that the distal ends of the projections enter the interior of the container.
  • the projections are designed as tubes and pointed at their distal ends in order to facilitate the penetration communication will prevail between the interior of the container and the outlet orifices of these tubes.
  • One of the tubes conducts washing fluid from the container to the eye cup when the container is held up and down, while the other tube during the same time can lead air towards the interior of the container when washing fluid is led out.
  • Another similar eyewash is disclosed in GB1535335 .
  • a device of the kind described can show certain inconveniences.
  • the thinner material applied to the seal of the container can be difficult to penetrate.
  • an eye wash is to be used by an operator it can often happen that he/her does not succeed to break through the seal at both or one of said tubes when the hand thump against the eye cup is carried out.
  • this disadvantages may occur by an opening of only one of the channels, or that the operator has to try to withdraw the body containing the projections to try to penetrate the seal once again.
  • the hand can hurt when a hard thump by the hand is directed against the eye cup, which furthermore is often provided with a bridge to prevent the eye cup becoming wrecked by the thump.
  • an eye wash for use when flushing an eye with a sterile washing fluid when the eye has become exposed to any form of harmful influence.
  • the eyewash involves a device and a container made by a plastic material, wherein said container in conjunction with the manufacturing being filled with a sterile washing fluid.
  • the container discloses a neck or a constriction at its outer end.
  • the device has a first body which at one end is connected to an eye cup and at its second end being provided with a protruding piston. Said piston in its axial direction having a continuous cross-section.
  • the cross-section can be circular or having any other preferred shape.
  • the device discloses a second body being designed to be attached to the neck of the container by means of, for example, a screw thread or a snap fitting, where the attachment to the container is tightly sealing.
  • This second body has a lengthwise extending hole with essentially the same cross-section as the cross-section of said piston, in order that the piston of the first body is slidably arranged inside said hole of the second body. Before use of the eyewash the piston is inserted into a storage position in said hole in the second body.
  • a plug is launchable and tightly plugged into the second body at the end of the hole facing the container. Further, the first body with said piston is provided with an all through longitudinally running flush channel which is open from the end of the piston up to the eye cup.
  • the first body When using the eyewash, the first body must be hit by a light thump towards the second body so that the piston is slid into the hole in the second body so far that the piston knocks the plug out from the hole and thereby opens a communication between the interior of the container and the eye cup. As a consequence, when the eye wash is turned up and down washing fluid flows through said flush channel and out into the eye cup.
  • One purpose with the proposed solution is that it is easy to open the seal and that the opening of the seal is made in a safe way, i.e. that the user never fails to establish a communication between container and eye cup.
  • the transition between the first and the second body is enveloped by a shrink film or a tape being stretched like a bridge between the two bodies.
  • a shrink film or a tape being stretched like a bridge between the two bodies.
  • the described eyewash may also be used in an embodiment where the container is constituted by a shrinkable bag.
  • the container is constituted by a shrinkable bag.
  • the bag is instead shrinking and reduces the enclosed volume at the same pace as the volume of washing fluid flowing out.
  • a preferred embodiment of the eyewash discloses a rigid bottle used as container for washing fluid, whereby an aeration conduit in terms of a through the piston running channel in the first body is utilized.
  • Said channel has an orifice at the utmost end of the piston and further an orifice where the aeration conduit at a thicker part of the first body is angled outwards to the wall of the first body in order to open up to the surroundings there.
  • the piston has at its distal end a protrusion which is only surrounding the aeration conduit, while the flush channel opens beside this protrusion where it extends from the piston where the piston has its full cross-sectional expanse.
  • the distal end of the flush channel is located a predetermined distance from the distal end of the piston.
  • This embodiment is arranged deliberately with the intention to bring the orifice of the aeration conduit (that is its outlet for air to the interior of the container) further up into the sterile washing fluid in the container compared to how far the flush channel reaches upwards when the communication between eye cup and container is created during use of the eyewash when it is turned such that the container is above the users eye. At this position air will flow into the container to fill space being freed when washing fluid flows out through the lower situated outlet which is then consisting of the inlet to the flush channel at its distal end of the piston. By this configuration washing fluid can flow towards the eye cup in a smooth and uninterrupted stream.
  • FIG. 1 a first embodiment according to one aspect of the invention is shown.
  • the invention is, as mentioned, a device which is attached to a container for washing fluid and constitutes together with container and washing fluid an eyewash. On storage before the eyewash has been utilized the device shall include a seal which seals the container and maintains the washing fluid sterile during the storage.
  • Figure 1 shows the device 1a attached to a container 2, usually a bottle.
  • the device comprises a first body 3a and a second body 4a.
  • the first body has in its distal part an elongated extension, herein called the piston 5a. Distal is herein meant to describe the direction towards the container 2.
  • Proximal is thus the direction away from the container 2 and being the direction towards an eye cup 6, which is a part of the first body 1a.
  • the eye cup 6 is, as known in the art, intended to envelop an eye when the eyewash is used to spread sterile washing fluid over the eye.
  • the piston 5a is manufactured with a predetermined cross section and is preferably circular, but can as well possess another geometrical cross section. Further, the piston 5a is inserted in the second body 4a in a hole with the same cross section as the piston 5a, so that the piston 5a is slidably connected to the second body 4a. Both bodies, 3a and 4a, are thus displaceably interconnected to each other.
  • the second body 4a at its base is formed to have a collar 7 witch tightly envelops a neck 8 of the container 2, where said base with the collar 7 can be crimped, snapped or screwed to the neck 8 of the container.
  • the hole in the second body 4a is at its most distal part, which is closest to the content of washing fluid in the container 2, provided with a plug 10 which is launchable and sealingly attached to the hole at the mouth of the body 4a towards the container 2.
  • Launchable is herein meant that the plug can be moved or shot away from its position.
  • the first body 3a has an internal lengthwise flush channel 11 running from the eye cup 6 essentially axially up to, and opens at, the second end of the first body 3 a.
  • the utmost part of the piston 5a that is the most distal part, abuts, or nearly abuts, the plug 10 of the second body 4a.
  • the piston 5a will knock the plug 10 into the container 2, whereby flow communication between container 2 and eye cup 6 is present through flush channel 11 whereupon the washing fluid can flow down through the eye cup when the eyewash is turned up and down to arrange the container 2 to be situated higher than the eye cup 6.
  • the first body is provided with an aeration conduit 12.
  • This conduit extends from the distal end of the piston 5a and further in a direction towards the eye cup 6 along an outer part of the first body 3a.
  • This aeration conduit 12 is inclined outwards from the material of the first body 3a at a thicker part of said body towards its envelope surface and has no connection at this end with the eye cup.
  • the flush channel 11 is shortened to its length and has its inlet approximately halfway into the piston 5a where a protrusion of the piston begins and extends up to the distal end of the piston.
  • the aeration conduit 12 is located inside said protrusion, which has a cross section composing a lesser part of the cross section of the piston 5a.
  • this embodiment is arranged with the intention to bring the aeration conduit 12 further up into the sterile washing fluid in the container compared to how far the flush channel 11 extends upwards when the communication between eye cup and container is created during use of the eyewash when it is turned and being in a position where the container 2 is above the eye of the user and above the eye cup 6.
  • air will flow into the container 2 through the aeration conduit 12 to fill up space being freed when washing fluid flows out via the presently lower outlet which at this stage composes the inlet of the flush channel 11 at the end of the piston ahead of the distal end of the protrusion.
  • FIG 4 This state of affairs is shown in figure 4 where the device according to the invention is depicted with washing fluid in the container 2.
  • the washing fluid flows down through the flush channel 11 and at the orifice of the flush channel 11 flows out into the eye cup 6.
  • air is sucked in through the aeration conduit 12 and flows into the container 2, which is illustrated by air bubbles 18 rising upwards to the surface of the washing fluid 17.
  • the container 2 is drained of fluid, whereby the underpressure arised inside the container sucks air via the aeration conduit 12.
  • a second embodiment of the device is shown in figures 5 to 7 .
  • This embodiment differs from the first embodiment by that an aeration conduit is missing.
  • the reason why aeration conduit is not needed in this case depends on that the device in this second embodiment is intended to be attached to a container which is composed of a deformable bag 20.
  • the bag 20 which contains sterile washing fluid is stiffened so that it can be stored standing when having the device according to the invention localized at the top.
  • the air pressure surrounding the bag will squeeze the bag 20 together as it is drained on fluid. Accordingly, an aeration conduit is not necessary in this case.
  • the device according to the second embodiment comprises essentially similar elements as the device of the first embodiment and its function is the same apart from the aeration of the container being arranged in another way.
  • the first body 3b has a piston 5b where this one has an extension up to and abuts the plug 10.
  • the second body 4b is of another configuration by being integrated with the bag 20, to which the second body is liquid-tight bound.
  • the second body 4b has a hole of the essentially the same cross section as the piston 5b, whereby the piston 5b via the hole in the second body 4b is slidably connected to the second body 4b. Both bodies 3b and 4b are thus displaceably interconnected to each other by means of piston 5b and the hole in the second body 4b.
  • Figure 6 shows the device 1b according to the second embodiment, where the piston 5b is thrown into the hole of the second body 4b, whereby the plug 10 has been knocked out from its position as sealing the hole in the opening to the interior of the container, in this case of the bag 20.
  • the piston having been brought down by means of a slight blow on the eye cup 6 the flush channel 11 is opened and sterile washing fluid can stream from the interior of the bag 20 outwards to the eye cup 6 when the eyewash is held such that the bag 20 is located above the device 1b.
  • the device is shown attached to a deformable bag 20 which is arranged to be stiff during storage and furthermore to shrink when it is drained of washing fluid when using the eyewash.
  • Figure 8 depicts stiffeners 21 for the bag 20. These stiffeners 21 are of a flexibility which will not prevent the bag 20 form being compressed under the influence of the air pressure when using the eyewash.
  • the transition between the first 3a, 3b and the second body 4a, 4b is enveloped by a shrink film or tape 15 which is stretched like a bridge between both bodies.
  • a shrink film or tape 15 which is stretched like a bridge between both bodies.
  • the device is manufactured form an environmentally friendly material, for example polyethylene.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Pain & Pain Management (AREA)
  • Epidemiology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Claims (9)

  1. Lavage oculaire (1a, 1b) comprenant un contenant (2, 20) rempli d'un fluide de lavage stérile et un dispositif, caractérisé en ce que :
    - le dispositif (1a, 1b) comprend un premier corps (3a, 3b) qui, à une extrémité, est connecté à un œilleton (6) et, à sa seconde extrémité, est pourvu d'un piston (5a, 5b) en saillie ayant, le long d'une première partie, une section transversale continue prédéterminée dans une direction axiale,
    - le dispositif (1a, 1b) a un second corps (4a, 4b) configuré pour être fixé à un col (8) du contenant (2, 20) où ce second corps (4a, 4b) a un trou longitudinal ayant sensiblement la même section transversale que ladite première partie de piston (5a, 5b), qui avant l'utilisation du lavage oculaire est inséré dans une position de stockage dans ledit trou dans le second corps (4a, 4b),
    - un bouchon (10) est fixé de manière étanche à l'extrémité du trou dans le second corps (4a, 4b) faisant face au contenant (2, 20), dans lequel ledit bouchon peut être déplacé ou tiré loin de ladite position,
    - ledit piston (5a, 5b) est pourvu d'un canal de rinçage (11) traversant,
    - dans un état du dispositif lorsque le premier corps (3a, 3b) est poussé vers le second corps (4a, 4b), le piston (5a, 5b) va être inséré si loin dans le second corps (4a, 4b) que le bouchon (10) va être retiré, de telle sorte qu'une communication règne entre le contenant (2, 20) et l'œilleton (6).
  2. Dispositif selon la revendication 1, dans lequel le piston (5a, 5b) est pourvu d'un conduit d'aération (12).
  3. Dispositif selon la revendication 2, dans lequel le conduit d'aération (12) s'étend plus loin distalement que l'extrémité distale du canal de rinçage (11).
  4. Dispositif selon la revendication 3, dans lequel le piston (5a, 5b), au niveau d'une partie distale, a une protubérance ayant une aire de section transversale plus petite que ladite première partie du piston (5a, 5b) et dans lequel le conduit d'aération (12), dans sa partie distale, est situé entièrement à l'intérieur de la protubérance.
  5. Dispositif selon la revendication 4, dans lequel le conduit d'aération (12), dans son extrémité proximale, est incliné vers l'extérieur par rapport à la paroi du premier corps (3a, 3b) et ne communiquant ainsi pas avec l'œilleton (6).
  6. Dispositif selon la revendication 1, dans lequel le contenant est constitué d'une poche déformable (20) qui se rétrécit lorsque du fluide s'écoule hors de la poche (20).
  7. Dispositif selon l'une quelconque des revendications précédentes, dans lequel le dispositif (la, 1b) est fixé au contenant (2, 20) par soudage, sertissage, vissage ou encliquetage.
  8. Dispositif selon la revendication 1, dans lequel la transition entre le premier corps (3a, 3b) et le second corps (4a, 4b) est enveloppée par un joint sous la forme, par exemple, d'un film ou d'une bande (15) qui, après utilisation du lavage oculaire lorsque les deux corps ont été poussés ensemble, forme un renflement (16).
  9. Dispositif selon la revendication 1, dans lequel le dispositif (1a, 1b) est réalisé en matière plastique.
EP18792994.8A 2017-09-18 2018-09-15 Dispositif de lavage oculaire et procédé d'utilisation du dispositif Active EP3661474B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1730255A SE1730255A1 (fr) 2017-09-18 2017-09-18
PCT/IB2018/057086 WO2019053664A1 (fr) 2017-09-18 2018-09-15 Dispositif de lavage oculaire et procédé d'utilisation du dispositif

Publications (2)

Publication Number Publication Date
EP3661474A1 EP3661474A1 (fr) 2020-06-10
EP3661474B1 true EP3661474B1 (fr) 2021-08-18

Family

ID=63965707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18792994.8A Active EP3661474B1 (fr) 2017-09-18 2018-09-15 Dispositif de lavage oculaire et procédé d'utilisation du dispositif

Country Status (3)

Country Link
EP (1) EP3661474B1 (fr)
SE (1) SE1730255A1 (fr)
WO (1) WO2019053664A1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1535335A (en) * 1976-07-05 1978-12-13 Fisons Ltd Container for sterile solution
US6488665B1 (en) * 1997-04-08 2002-12-03 Allegiance Corporation Antimicrobial alcohol gel pre-operative skin-preparation delivery system

Also Published As

Publication number Publication date
WO2019053664A1 (fr) 2019-03-21
SE540756C2 (fr) 2018-10-30
EP3661474A1 (fr) 2020-06-10
SE1730255A1 (fr) 2018-10-30

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