EP2095735A1 - Récipient pour conservation et nettoyage des lentilles de contact - Google Patents

Récipient pour conservation et nettoyage des lentilles de contact Download PDF

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Publication number
EP2095735A1
EP2095735A1 EP09002756A EP09002756A EP2095735A1 EP 2095735 A1 EP2095735 A1 EP 2095735A1 EP 09002756 A EP09002756 A EP 09002756A EP 09002756 A EP09002756 A EP 09002756A EP 2095735 A1 EP2095735 A1 EP 2095735A1
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EP
European Patent Office
Prior art keywords
contact lens
chamber
cleaning container
container according
chambers
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.)
Granted
Application number
EP09002756A
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German (de)
English (en)
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EP2095735B1 (fr
Inventor
Cornelius Doniga
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Individual
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Individual
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Publication date
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Application filed by Individual filed Critical Individual
Publication of EP2095735A1 publication Critical patent/EP2095735A1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/005—Contact lens cases

Definitions

  • the invention relates to a contact lens storage and cleaning container formed from two contact lens chambers for each contact lens and a container for receiving the cleaning liquid according to the preamble of claim 1.
  • Contact lenses are one of the most widely used visual aids in industrialized countries. They replaced the mostly not so aesthetic glasses by the cornea directly lie, separated only by a thin tear film. Not to be forgotten are the people who, although they have no visual difficulties, but want to change their eye color. Again, this is possible with the help of contact lenses.
  • contact lenses There are several types of contact lenses, also as far as the material is concerned.
  • the initially popular hard contact lenses were replaced by contact lenses, which consist of a flexible, water-storing and air-permeable material. This soft material is many times more pleasing to the eye than the original, harder material. Also, the irritation-free wearing time of the contact lenses has increased very much.
  • the day contact lenses should only be worn for a day and then disposed of, the monthly contact lenses can be used for up to 30 days and the contact lenses for up to one year. Since the day contact lenses are only worn for one day, it is not necessary to take care of these contact lenses because new contact lenses are used every day.
  • the contact lenses which are worn for a long time.
  • the tear fluid contains a wealth of other substances that contaminate the contact lenses. So here are the proteins especially to highlight. These accumulate during the wearing time on the resting on the cornea contact lens. This protein attachment provides a good breeding ground for bacteria that can cause infections of the cornea and conjunctiva of the eyes.
  • the 2-step plepling system removes protein deposits on the contact lens by hydrogen peroxide, which is split into water and oxygen by a chemical reaction.
  • Hydro peroxide H 2 O 2
  • Contact with hydrogen peroxide directly with the cornea would lead to severe irritation of the cornea and could even lead to permanent turbidity of the cornea.
  • the 1-step care system contains several chemical components that both care for the contact lens and the eyes does not irritate in direct contact.
  • the contact lenses are placed in the corresponding contact lens containers for storage and care (usually before bedtime).
  • the storage liquid not only disinfects the contact lens, but also prevents the contact lens from drying out, which would shrink and dry out within a few hours in a dry environment.
  • the following invention is intended to simplify the storage and cleaning of contact lenses by the one-step care system (All-In-One).
  • Wearing contact lenses requires their care and cleaning both for the preservation of the contact lenses and as well as for hygienic constraints out. This is sometimes a bit cumbersome because you have to carry both a storage and cleaning container for the contact lenses, as well as a liquid dispenser for the care liquid with it, which is cumbersome especially when traveling.
  • the contact lens container usually houses here each a separate contact lens chamber for the right and left contact lens. After inserting the contact lenses in the associated contact lens chambers, the latter are filled with care liquid and sealed with a lid.
  • the main solution described is a housing which, in addition to the two recessed contact lens chambers for storing the contact lenses, also has two further contact lens chambers which have a connection to a liquid reservoir integrated in the housing. These 2 additional contact lens chambers are each provided with a pipette, which are intended to transport the cleaning liquid into the contact lens chambers.
  • an external "filler" is described in the drawings of this document, which protrudes from the housing and practically represents an extension of the liquid reservoir.
  • Fortier (US Design 390356) describes a cylindrical structure which has a contact lens chamber for each contact lens at both ends. The center of this structure appears to be the liquid reservoir which, by compression, fills the two contact lens chambers with liquid.
  • FR 2 835 751 A1 also a container with liquid reservoir and pump button, wherein the pumping operation is carried out with open chamber lids. A pressure equalization of the contact lens chambers is not provided.
  • a disadvantage of the solutions mentioned here is that the pumping process is severely hampered by the existing in the closed contact lens chamber back pressure. This causes the known devices can be filled only with the chamber lid open with a defined amount of liquid.
  • Object of the invention against this background is to improve a device of the type mentioned so that their handling, especially when filling the contact lens chambers with disinfecting cleaning liquid is facilitated, the contact lens chambers should be filled even with the lid closed.
  • contact lens chambers are closable with detachable chamber lids, in which by means of a flexible cover membrane to the contact lens chamber completed a compressible cavity is arranged.
  • the contact lens chambers are closed after inserting the contact lenses by a lid.
  • the contact lens chambers In order to prevent liquid leakage from the contact lens chambers during transport of the device, the contact lens chambers must be sealed watertight. This tight seal must also in the generated by the pumping pressure in the Contact lens chambers persist. This is achieved by the serving as a compression zone in the lid cavity, which is separated by a flexible membrane with respect to the lens receiving the remaining contact lens chamber.
  • An advantageous design provides in this case that the cover membrane is biased by a spring arranged in the compressible cavity spring body relative to the contact lens chamber. In this way, the pressure required by the pumping process for the filling of the contact lens chambers pressure on the spring body used is adjustable.
  • a further advantageous design provides that the cover membrane has a voltage applied to the filling of the contact lens chamber on the chamber cover control section, which is recognizable by a viewing window in the chamber lid.
  • the aim here is to make it clear in this way whether the cleaning of the lenses actually in the desired shape can take place.
  • the control portion of the lid membrane comes in a defined filling of the contact lens chamber visible to the viewing window in the lid and thus signals the user that the contact lens chamber sufficiently filled and so the contact lens is completely wetted with cleaning liquid.
  • This function can also indicate the expiration of the period of use of the device, since it must be assumed in the absence of the desired display in the viewing window that not enough cleaning fluid in the container is present and this must therefore be replaced.
  • control section of the cover membrane can be designed as a depression pointing to the chamber cover in the cover membrane. In this way, a better control of the display in the viewing window is possible because the control section has a clear shape and thus can be positioned accurately in a small viewing window. In addition, the deformation costs of the cover membrane and the distance to be traced to the viewing window can be reduced and defined.
  • a further advantageous embodiment of the invention provides that the liquid reservoir is formed from an upper shell, in which at least the contact lens chambers are arranged, as well as from a tightly connected to the upper shell bottom shell, wherein the enclosed space is filled with cleaning liquid.
  • the upper shell also contains the required pump, so that the lower shell is only cup-shaped form. In this case, it is provided to fill the entire interior between the shells with cleaning fluid so as to be able to absorb a maximum of fluid and thus be able to improve the service life.
  • a flexible sealing membrane is approximately flat and is connected to the lower shell, that it seals the interior of the liquid reservoir against pressure equalization openings in the lower shell. Accordingly, during the pumping process, liquid is withdrawn from the liquid reservoir, resulting in a negative pressure, which is, however, compensated by a deformation of the sealing membrane. This membrane is thus increasingly deformed over the life of the device towards the upper shell, with air flowing through the pressure equalization openings in the lower shell, which is separated by the elastic sealing membrane of the liquid reservoir. In this way, a safe pumping process can be ensured at all times.
  • An advantageous embodiment of the invention provides that the flexible sealing membrane lying approximately flat on the lower shell is arranged peripherally in the connection region between the upper shell and the lower shell and seals this connection region.
  • the sealing membrane is thus placed as an intermediate layer between the upper and lower shell and fixed by their connection in the peripheral connection region, for example, a circumferential connector of the shells.
  • the thus clamped between the shells sealing membrane causes this in addition due to their elasticity a seal in this connection area. This is necessary to safely avoid leakage of the cleaning fluid at this interface.
  • the chamber lid can hereby be connected on one side articulated to the upper shell and be closed and reopened via a latching mechanism.
  • the aim here is to make it as easy as possible to open and close the lid.
  • the hinged guide on the housing of the container ensures that the lid can not be lost as loose parts and at the same time safely be guided into the closed position, for example, without as small components in the
  • the contents of the liquid reservoir should contain liquid for several weeks.
  • the user is spared filling the care liquid from another container into the contact lens chambers by hand; the filling is done simply by pressing a button.
  • a locking mechanism also has the advantage that the closure is achieved by simple pressure in the latching position. Conveniently causes a later renewed pressure on the lid, the triggering of the latching mechanism and thus the opening of the lid.
  • the closed chamber lid are also expediently secured against accidental opening by laterally hinged to the upper shell securing bracket.
  • these brackets are folded over the lid and locked, so that unintentional opening of the lid by pressure is not possible.
  • the liquid inflow from the liquid reservoir into the two contact lens chambers takes place via at least one one-way valve, which establishes a connection between the pump and the two contact lens chambers.
  • the contents of the liquid reservoir should contain liquid for several weeks.
  • the user is spared filling the care liquid from another container into the contact lens chambers by hand; the filling is done simply by pressing a button.
  • the shape of the device should be practical, handy and transportable. As a meaningful design is considered the illustrated wafer ellipsoid, about 25 mm thick and 80 mm in diameter.
  • the pump 7 is an integral part of the contact lens storage and cleaning container and is arranged together with the 2 contact lens chambers 1 in the upper shell 33 of the device.
  • the two contact lens chambers 1 are each sealed with a hinged lid 10.
  • this chamber lid 10 is mounted centrally on the upper shell by means of a hinge.
  • a securing bracket 37 is provided in the illustrated construction, which spans the chamber lid 10 and engages positively with an end-side recess in a projection on the chamber lid 10.
  • the lower shell 34 of the liquid reservoir 2 is an impermeable, elastic sealing membrane 35, which surrounds the cleaning fluid to pressure equalization holes 36 in the lower shell 34 and which adapts to the changing by the pumping volume of cleaning liquid and this from the through the pressure equalization holes 36 in the Contact lens storage and cleaning tank inflowing air separates.
  • the lower shell 34 of the contact lens storage and cleaning container consists of two layers: the hard open shell on the one hand and the flexible sealing membrane 35 on the other.
  • the sealing membrane comes to rest on the inside of the upper shell 33 of the contact lens storage and cleaning container.
  • the free interior of the contact lens storage and cleaning container would be filled with air.
  • the contact lens chambers 1 are connected to the liquid reservoir 2 either via a common or each contact lens chamber via a separate one-way valve 20.
  • a pumping device 7 liquid is conveyed from the liquid reservoir 2 into the contact lens chambers 1.
  • the pumping device 7 consists of a pump button which, when actuated by the user, shifts the associated piston into the associated cylinder, thereby conveying the cleaning fluid out of the cylinder interior.
  • the cleaning liquid from the cylinder interior escapes into the contact lens chambers 1 via corresponding connection channels.
  • a return of the pump piston in its original position takes place either by a return spring 5 placed in the cylinder interior or via an elastic connection of the pump button with the surrounding housing (eg a rubber compound).
  • the chamber lids 10 are basically constructed similar to the liquid reservoir, namely partly rigid (e.g., plastic) and partly flexible (e.g., rubber).
  • a flexible lid membrane 15 creates a cavity 18 within the chamber lid 10.
  • the cover membrane 15 expands; Air from the cavity 18 is forced out through the small openings in the top of the chamber lid 10.
  • the lid membrane 15 assumes its original position again due to its elasticity and / or due to the restoring force of the spring and outside air is taken up by the lid openings in the cavity 18 again.
  • the chamber lids 10 of the contact lens chambers are fully or partially transparent so that the user can control the level of liquid in the contact lens chambers after filling them.
  • the cover membrane 15 which moves during filling to this window 31 has a control section 32 which makes the degree of filling of the contact lens chambers 1 easily recognizable.
  • This control section may expediently be designed as a recess pointing to the chamber cover 10 in the cover membrane 15, which firstly shows itself on the window during the deformation of the membrane and thus indicates the filling of the contact lens chamber.
  • the invention is directed to contact lens wearers who use the 1-stage care systems for the care and storage of their contact lenses.
  • the invention here consists of the integration of a contact lens storage container in a liquid reservoir.
  • the liquid reservoir and the contact lens container are connected directly to each other and separated from each other only by a controllable valve.
  • the filling of the contact lens chambers 1 with liquid from the liquid reservoir 2 is effected simply by actuating a pump button 7 built into the device, which leads to the opening of the separating valve 20, which connects the liquid reservoir 2 with the contact lens chambers 1 due to an increase in pressure. Liquid from the liquid reservoir 2 can thereby irreversibly get into the contact lens chambers 1.
  • the peculiarity of this invention is that the contact lens wearer for storage and care of his contact lenses 9 requires only a single device that is still very handy and easy to transport. Filling up the contact lens chambers at the touch of a button is easier and more comfortable than previous methods. A "forgetting" of a component, the small storage container or the cleaning liquid container, is no longer possible, because it is now a two-component device.
  • the device is due to its flat shape and small size suitable to be carried always and everywhere (eg in the pocket, during sports, in the plane), which the user, compared to the previous methods of contact lens care, an increased level of comfort and independence offers.

Landscapes

  • Eyeglasses (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Packages (AREA)
EP09002756A 2008-02-27 2009-02-26 Récipient pour conservation et nettoyage des lentilles de contact Active EP2095735B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202008002794U DE202008002794U1 (de) 2008-02-27 2008-02-27 Kontaktlinsenbehälter mit Kompressions-Deckel

Publications (2)

Publication Number Publication Date
EP2095735A1 true EP2095735A1 (fr) 2009-09-02
EP2095735B1 EP2095735B1 (fr) 2011-04-13

Family

ID=39400264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09002756A Active EP2095735B1 (fr) 2008-02-27 2009-02-26 Récipient pour conservation et nettoyage des lentilles de contact

Country Status (6)

Country Link
US (1) US8123028B2 (fr)
EP (1) EP2095735B1 (fr)
AT (1) ATE505102T1 (fr)
DE (2) DE202008002794U1 (fr)
DK (1) DK2095735T3 (fr)
ES (1) ES2365119T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103813812A (zh) * 2011-02-23 2014-05-21 新星湾药物有限公司 具有监视器的角膜接触镜片清洁系统
WO2019202084A1 (fr) 2018-04-19 2019-10-24 Doniga Ioan Cornelius Boîte de rangement et de nettoyage pour lentilles de contact

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102940365A (zh) * 2012-12-08 2013-02-27 谢金桐 一种隐形眼镜自动清洗存储盒
TW201524539A (zh) 2013-10-31 2015-07-01 Novabay Pharmaceuticals Inc 絕熱之隱形眼鏡清洗系統
US10045598B2 (en) * 2015-09-04 2018-08-14 Bonasse Enterprises Co., Ltd. Contact lens case structure that provides convenient accommodation, cleaning and accessing of contact lenses
US9839271B1 (en) * 2016-10-27 2017-12-12 Coopervision International Holding Company, Lp Contact lens case and related methods and kits
US10101599B1 (en) 2017-12-28 2018-10-16 Austin Greeson Smart automated contact lens cleansing device
KR102617528B1 (ko) * 2018-07-08 2023-12-27 베를리시 인더스트리스 콘텍트 렌즈 케이스
AU2019202027B2 (en) * 2019-03-13 2020-12-03 Pujiang Yilin Glasses Co., Ltd. A contact lens box convenient to take
CN114269198A (zh) * 2019-08-26 2022-04-01 株式会社目立康 眼用器具盒以及该眼用器具盒所使用的补充容器
WO2022182841A1 (fr) * 2021-02-25 2022-09-01 Conpact, Llc Boîtier de lentilles de contact mince
CN113040489A (zh) * 2021-04-07 2021-06-29 深圳市斯卡诚贸易有限公司 一种对眼镜进行自清洁的眼镜盒

Citations (7)

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Publication number Priority date Publication date Assignee Title
US4637919A (en) 1984-11-05 1987-01-20 Ryder International Corporation Lens disinfecting appliance with improved venting feature
DE4212873C1 (fr) 1992-04-17 1993-05-06 Monika 7400 Tuebingen De Fecht
USD390356S (en) 1994-11-07 1998-02-10 Fortier Dennis E Combined contact lens case and solution dispenser
US6080361A (en) 1997-09-22 2000-06-27 Borovsky; Simcha Contact lens cleaning and disinfecting system
FR2835751A1 (fr) 2002-02-14 2003-08-15 Philippe Beraka Boitier a lentille de vue ou de contact
US20050186128A1 (en) 2004-02-20 2005-08-25 Eli Pinchassi Dar Combined contact lens case and solution storage device
DE202008002795U1 (de) * 2008-02-27 2008-05-15 Doniga, Cornelius Zylindrischer Kontaktlinsenbehälter

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FR2638248B1 (fr) 1988-10-20 1993-06-18 Drevet Jean Baptiste Dispositif jetable pour le nettoyage et la conservation des lentilles corneennes
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FR2762407B1 (fr) * 1997-04-22 1999-05-28 Essilor Int Etui plat pour la desinfection de lentilles de contact
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4637919A (en) 1984-11-05 1987-01-20 Ryder International Corporation Lens disinfecting appliance with improved venting feature
DE4212873C1 (fr) 1992-04-17 1993-05-06 Monika 7400 Tuebingen De Fecht
USD390356S (en) 1994-11-07 1998-02-10 Fortier Dennis E Combined contact lens case and solution dispenser
US6080361A (en) 1997-09-22 2000-06-27 Borovsky; Simcha Contact lens cleaning and disinfecting system
FR2835751A1 (fr) 2002-02-14 2003-08-15 Philippe Beraka Boitier a lentille de vue ou de contact
US20050186128A1 (en) 2004-02-20 2005-08-25 Eli Pinchassi Dar Combined contact lens case and solution storage device
DE202008002795U1 (de) * 2008-02-27 2008-05-15 Doniga, Cornelius Zylindrischer Kontaktlinsenbehälter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103813812A (zh) * 2011-02-23 2014-05-21 新星湾药物有限公司 具有监视器的角膜接触镜片清洁系统
CN103813812B (zh) * 2011-02-23 2016-08-10 新星湾药物有限公司 具有监视器的角膜接触镜片清洁系统
WO2019202084A1 (fr) 2018-04-19 2019-10-24 Doniga Ioan Cornelius Boîte de rangement et de nettoyage pour lentilles de contact

Also Published As

Publication number Publication date
ATE505102T1 (de) 2011-04-15
ES2365119T3 (es) 2011-09-22
DK2095735T3 (da) 2011-07-25
DE502009000511D1 (de) 2011-05-26
EP2095735B1 (fr) 2011-04-13
DE202008002794U1 (de) 2008-05-15
US8123028B2 (en) 2012-02-28
US20090211925A1 (en) 2009-08-27

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