WO2012168964A1 - Contenant de conditionnement de lentille de contact - Google Patents

Contenant de conditionnement de lentille de contact Download PDF

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Publication number
WO2012168964A1
WO2012168964A1 PCT/JP2011/003206 JP2011003206W WO2012168964A1 WO 2012168964 A1 WO2012168964 A1 WO 2012168964A1 JP 2011003206 W JP2011003206 W JP 2011003206W WO 2012168964 A1 WO2012168964 A1 WO 2012168964A1
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WO
WIPO (PCT)
Prior art keywords
lens
contact lens
side plate
packaging container
support surface
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
Application number
PCT/JP2011/003206
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English (en)
Japanese (ja)
Inventor
章廣 安田
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.)
Menicon Co Ltd
Original Assignee
Menicon Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Menicon Co Ltd filed Critical Menicon Co Ltd
Priority to JP2013519224A priority Critical patent/JP5676760B2/ja
Priority to PCT/JP2011/003206 priority patent/WO2012168964A1/fr
Publication of WO2012168964A1 publication Critical patent/WO2012168964A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/325—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil
    • B65D75/326—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil and forming one compartment
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/321—Both sheets being recessed
    • 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
    • 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
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/54—Containers, packaging elements or packages specially adapted for particular articles or materials for articles of special shape not otherwise provided for
    • B65D2585/545—Contact lenses

Definitions

  • the present invention relates to a contact lens packaging container that contains a contact lens together with a preservation solution, and more particularly to a contact lens packaging container that is suitably used when providing a soft contact lens to the market.
  • Contact lenses are provided to the market in a sealed state accommodated in a packaging container, and particularly hydrous soft contact lenses are generally provided in a contact lens packaging container together with a storage solution.
  • a contact lens packaging container conventionally, a blister package described in JP-A-7-322911 (Patent Document 1) and US Pat. No. 4,691,820 (Patent Document 2) has been adopted.
  • this blister package has a structure in which a storage liquid 4 and a contact lens 5 are accommodated in a recess 3 formed in a container body 2 made of a hard resin and sealed with a cover film 6. It is said that.
  • such a blister package having a conventional structure is one in which the contact lens 5 is housed in the storage solution 4 stored in the depression 3 in a floating state and held in an equilibrium state (a state in which there is no deformation due to external force). . Therefore, it is necessary to form the recess 3 with a sufficient depth and volume, and since a large amount of the storage solution 4 is accommodated in the recess 3, the lens user may have difficulty in disposing the storage solution 4 when opening the package. there were.
  • the contact lens 5 is accommodated in the recess 3 that opens upward with the concave lens rear surface 7 facing upward, handling when the lens user wears the contact lens 5 is troublesome. There was a problem that various germs were easily attached. That is, as shown in FIGS. 16A and 16B, the fingertip 8 of one hand is overlapped with the lens rear surface 7 of the contact lens 5 and is extracted while being slidably contacted with the inner surface of the recess 3. As shown in FIG. 16 (c), the contact lens 5 had to be transferred to the fingertip 9 of the other hand before being worn on the eye. As described above, it is necessary to transfer the contact lens 5 between both hands, and the contact lens 5 easily folds and sticks to a finger during the transfer. In addition, since the fingertip 8 directly touches the lens rear surface 7 superimposed on the cornea at the time of wearing, there is also a problem that adverse effects on the eyes such as bacteria adhering to the contact lens 5 from the fingertip 8 are likely to increase.
  • Patent Document 3 discloses a contact lens housing container in which a spherical convex portion is provided on the bottom surface of a recess and the concave surface of the contact lens is placed on the convex portion. Proposed. However, since a large-capacity storage portion is formed around the convex portion by a curved peripheral wall that expands upward, a large amount of storage solution is required, and processing of the storage solution at the time of opening becomes a problem. It will not change.
  • the contact lens since the concave surface of the contact lens is placed in close contact with the spherical convex portion, the contact lens is attracted to the convex portion, and it is difficult to take out the contact lens with a fingertip.
  • the convex portion is accommodated in a large-capacity storage portion formed around and does not protrude outward from the storage portion, let's pick up the contact lens placed on the convex portion with a fingertip
  • the present invention has been made in the background of the above-mentioned circumstances, and the problem to be solved is that it is possible to reduce the amount of storage liquid injected into the contact lens storage area and to stabilize the contact lens in the storage state. Accordingly, it is an object of the present invention to provide a contact lens packaging container having a novel structure in which the contact lens can be easily taken out with one hand at the time of opening while being positioned and held.
  • a feature of the present invention is that the lid side plate is overlaid on the upper surface of the base side plate, and a contact lens in which a contact lens is accommodated together with a storage solution in an accommodation area formed between the overlapping surfaces of the two plates.
  • the formation surface of the accommodation region in the base side plate is a lens support surface having a convex spherical crown shape
  • the formation surface of the accommodation region in the lid side plate is a concave spherical crown
  • a concave lens rear surface of the contact lens is superimposed on the lens support surface and accommodated in the accommodating area, and at least one flat portion is provided on the lens support surface. The gap is formed between the overlapping surfaces of the flat portion and the contact lens.
  • the contact lens housing region has a substantially dome shape between the opposing surfaces of the convex spherical crown-shaped lens support surface and the concave spherical crown-shaped lens cover surface. It is formed. Therefore, such a storage area can be made to correspond to a spherical crown-shaped contact lens, and the volume of the storage area and thus the amount of the storage liquid stored can be sufficiently reduced to facilitate the processing of the storage liquid at the time of opening. It becomes possible.
  • the rear surface of the contact lens having a concave spherical crown shape is superimposed on the lens support surface having a convex spherical crown shape, and therefore, the storage lens is disposed in close proximity to each other.
  • An adsorption action is generated between the lens support surface and the rear surface of the contact lens.
  • the contact lens can be held in a stable position on the lens support surface during transportation or carrying before opening, and deformation and damage of the contact lens can be effectively prevented.
  • the contact between the lens support surface and the rear surface of the contact lens is reduced by pressing the portion of the contact lens that overlaps the flat portion of the lens support surface with a fingertip.
  • the contact lens can be easily taken out by picking it with fingers. That is, since the gap between the lens support surface and the contact lens is partially increased by the flat portion, the contact lens is partially pressed on the flat portion by pressing the contact lens on the flat portion. While being pressed and deformed, the preserving liquid filled in the gap between the flat portion and the contact lens is pushed out toward the outer peripheral side. As a result, the contact lens can be easily detached from the lens support surface by raising the contact lens from the lens support surface and reducing the attractive force.
  • the contact lens placed on the lens support surface having a convex spherical crown shape can be picked up with the fingertip of one hand and used as it is without being held in the other hand. Therefore, the operation from opening the contact lens packaging container to wearing the contact lens can be performed easily and quickly, and contact of the fingertip with the rear surface of the contact lens can be avoided as much as possible.
  • an aspect in which one of the flat portions is located at the top of the lens support surface and is formed in parallel with the tangential plane can be employed.
  • the gap due to the flat portion is provided near the top of the contact lens, when removing the contact lens, the vicinity of the top of the contact lens is pressed with a fingertip so that the storage solution in the gap is placed on the outer peripheral side of the contact lens.
  • the contact lens can be easily and efficiently moved, and the operation of taking out the contact lens becomes easier.
  • the gap is formed at the top where external force is easily applied due to falling or hitting other members, the contact lens is supported by the lens even when external force is applied via the lid side plate. It can be easily deformed to the surface side and escape, and the action of a large external force that adversely affects the contact lens can be effectively avoided.
  • an aspect in which at least one of the flat portions is formed at a central portion that does not reach the outer peripheral edge of the contact lens that is superimposed on the lens support surface may be employed.
  • the flat portion is formed in the center portion of the contact lens support region on the lens support surface, the gap between the flat portion and the contact lens is narrowed around the contact portion, and this gap is the contact. A large opening at the outer peripheral edge of the lens can be avoided. Therefore, when the contact lens covering the flat portion is pressed with a fingertip, the storage solution in the gap is efficiently pushed out toward the entire periphery, and the contact lens is easily lifted, and the contact lens The work of picking up with fingers is easier.
  • the contact lens packaging container of the present invention a mode in which the radius of curvature of the lens support surface is larger than the radius of curvature of the rear surface of the contact lens can be adopted.
  • the gap can be more efficiently formed between the lens support surface and the lens support surface in the central portion of the contact lens under the contact lens support state by the lens support surface.
  • the contact lens is locally located within the accommodation region. It becomes possible to support the positioning more stably while suppressing the global deformation.
  • a mode in which the radius of curvature of the lens cover surface is larger than the radius of curvature of the front surface of the contact lens can be employed.
  • the contact lens surface is closely attached to or adhered to the lens cover surface. Is prevented. Therefore, when opening the lid side plate away from the base side plate, the contact lens is prevented from sticking to the lid side plate, and the opening on the lens support surface is more stable. Can be realized.
  • the lid side plate can be separated from the base side plate, and the accommodation region is opened by the separation of the two plates, and the base A mode in which a state in which the side plate is on the lower side and the lid side plate is on the upper side indicating the normal state at the time of opening can be adopted.
  • the base A mode in which a state in which the side plate is on the lower side and the lid side plate is on the upper side indicating the normal state at the time of opening can be adopted.
  • a base-side flange-like portion that extends outward from the outer peripheral edge portion of the lens support surface is formed on the base-side plate, and the lens-covering surface is formed on the lid-side plate.
  • a lid-side flange-like portion extending outward from the outer peripheral edge of the housing region is formed, and the base-side flange-like portion and the lid-side flange-like portion are welded over the entire circumference on the outer circumference side of the housing region.
  • a mode in which the accommodation region is sealed can be adopted.
  • operations such as opening and holding can be easily performed by picking and holding each flange-like portion in the base side plate and the lid side plate with fingers.
  • the welding area and welding pressure can be secured easily and efficiently, and the fluid tightness of the contained fluid is highly reliable. It can be easily obtained.
  • the lens supporting surface forming portion of the base side plate and the lens covering surface forming portion of the lid side plate are both in an inverted bowl shape that opens downward.
  • the aspect made into the wall part may be employ
  • both the base side plate and the lid side plate are a laminate material in which a thermoplastic synthetic resin film is laminated on a metal foil.
  • the laminate material it is possible to further improve the reduction in thickness and weight and softness of the contact lens packaging container while ensuring high gas barrier performance, evaporation prevention performance of the preservation solution, and the like.
  • the contact lens packaging container of the present invention a mode in which the lens cover surface is provided with irregularities can be adopted. Furthermore, in the contact lens packaging container of the present invention, a mode in which plasma processing is applied to the lens support surface can be adopted. In each of these aspects, the contact lens adheres to and adheres to the lens cover surface due to the presence of unevenness and / or plasma processing, thereby preventing the contact lens from sticking to the lid side plate when opened. obtain.
  • the amount of the storage liquid can be reduced to facilitate the processing of the storage liquid at the time of opening, and the contact lens can be accommodated.
  • the contact lens can be stably adsorbed and held on the lens support surface, the contact lens can be easily detached from the lens support surface when opened, and can be quickly mounted without touching the lens rear surface. It can be done.
  • the longitudinal cross-sectional view of the contact lens packaging container as 1st embodiment of this invention The front view of the base side plate which comprises the contact lens packaging container shown by FIG. The top view of the base side plate shown by FIG. Front explanatory drawing of the base side plate which shows the mounting state of a contact lens.
  • the longitudinal cross-sectional explanatory drawing for demonstrating opening operation of the contact lens packaging container shown by FIG. The longitudinal cross-sectional view which shows the example of an aspect which employ
  • FIG. 10 is a plan view of the base side plate shown in FIG. 9.
  • the top view of the base side plate shown by FIG. The front view of the base side plate which comprises the contact lens packaging container as 4th embodiment of this invention.
  • FIG. 14 is a plan view of the base side plate shown in FIG. 13.
  • (A)-(c) is explanatory drawing for demonstrating the operation
  • FIG. 1 shows a contact lens packaging container 10 as a first embodiment of the present invention.
  • the contact lens packaging container 10 includes a container body 14 that forms a housing structure 12 having a hollow structure.
  • the storage region 12 is filled with a storage solution 16 and a soft type contact lens 18 is immersed in the storage solution 16 and stored therein.
  • the vertical direction refers to the vertical direction in FIG. 1 that is the vertical direction when opened.
  • the container body 14 is composed of a base side plate 20 and a lid side plate 22, and the base side plate 20 and the lid side plate 22 are overlapped with each other in the vertical direction that is the plate thickness direction.
  • the base side plate 20 is provided with a lens support portion 24 formed by a reverse circular bowl-shaped or inverted bowl-shaped wall portion that opens downward. ing.
  • a flat base-side flange-shaped portion 26 that extends toward the outer peripheral side is integrally formed at the opening peripheral edge of the lower end of the lens support portion 24.
  • the convex side surface of the lens support part 24 is made into the lens support surface 28 which has a convex spherical crown shape as a whole.
  • a knob 30 that can be gripped with fingers is integrally formed on the outer peripheral edge of the base-side flange-like portion 26 so as to protrude outwardly for the purpose of improving operability at the time of opening.
  • the lid-side plate 22 has a shape in which a flat plate-shaped central portion of the lid-side plate 22 bulges upward, substantially like the base-side plate 20. That is, a lens cover 32 formed by a reverse circular bowl-shaped or reverse bowl-shaped wall opening downward is provided at the center of the lid-side plate 22. A flat-plate-shaped lid-side flange-shaped portion 34 that extends from the peripheral edge of the opening at the lower end to the outer peripheral side is integrally formed.
  • the concave surface of the lens cover 32 is a lens cover 36 having a concave spherical crown shape as a whole.
  • the lens cover surface 36 has a larger curvature and protrudes greatly upward. Further, the inner diameter of the opening of the lens cover surface 36 is slightly larger than the outer diameter of the opening of the lens support surface 28.
  • the lid side plate 22 is overlaid on the upper surface of the base side plate 20, so that the lid side flange-like portion 34 is closely overlapped with the base-side flange-like portion 26.
  • the inner peripheral surface of the opening portion of the lens cover surface 36 is fitted to the outer peripheral surface of the opening portion of the lens support surface 28, and the lens cover surface 36 is spaced upward from the lens support surface 28 and is opposed to the lens support surface 28.
  • the accommodation region 12 is defined between the lens support surface 28 and the lens cover surface 36.
  • the accommodation area 12 has a generally circular dome shape as a whole, and the internal dimension in the normal direction of the accommodation area 12 gradually increases toward the lower outer peripheral portion serving as the skirt. It has been made smaller.
  • the base side plate 20 and the lid side plate 22 that are superposed in the vertical direction are positioned so as to surround the outer periphery of the lens support surface 28 and the lens cover surface 36 as the formation surface of the accommodation region 12 over the entire circumference.
  • the plate 20 and the lid side plate 22 are fixed to each other at the overlapping portion. Thereby, it is set as the sealed structure where the storage area
  • the plates 20 and 22 may be fixed as long as the fluid tightness is maintained, and may be realized by welding or the like in addition to adhesion by an adhesive or mechanical fitting by uneven fitting.
  • the base side plate 20 and the lid side plate 22 are made of a thermoplastic resin at least on the overlapping surface, and the plates 20 and 22 are pressed and heated in the overlapping direction to each other. It is fixed by welding.
  • the base-side plate 20 and the lid-side plate 22 whose overlapping surfaces are formed of a thermoplastic resin can be obtained, for example, by injection molding of a thermoplastic resin.
  • the base side plate 20 and the lid side plate 22 those formed entirely of a synthetic resin material such as nylon, polyester, polyolefin, etc. are adopted, metal foil such as aluminum foil, polyethylene terephthalate, polypropylene, etc. It is also possible to use a laminate sheet or the like on which a thermoplastic synthetic resin layer or the like is laminated.
  • the total thickness including the aluminum foil having a thickness of 50 to 200 ⁇ m is desirably 80 to 250 ⁇ m, and more preferably the total thickness including the aluminum foil having a thickness of 80 to 150 ⁇ m is 120 to 200 ⁇ m. If the total thickness exceeds 250 ⁇ m, the strength becomes too large, which may hinder the opening operation and the like, and becomes bulky at the time of disposal.
  • a synthetic resin sheet there is an advantage that it is easy to ensure transparency.
  • the total thickness is preferably from 100 to 250 ⁇ m, and more preferably from 150 to 200 ⁇ m.
  • the base side plate 20 and the lid side plate 22 have a transparent structure in which at least one of the lens support portion 24 and the lens cover portion 32 that define the accommodation region 12 transmits visible light. Is done. Thereby, the accommodation state of the contact lens 18 and the preservation
  • the storage solution 16 is stored in a substantially filled state, and the contact lens 18 is immersed and stored in the storage solution 16.
  • the storage solution 16 is stored in the storage region 12 by, for example, injecting a predetermined amount of the storage solution 16 into the lens cover 32 having the lid-side plate 22 turned upside down and opened upward, and then turned upside down.
  • This can be realized by, for example, adhering the two flange-like portions 26 and 34 that are overlapped with each other in a state where the side plates 20 are overlapped and the lens support portion 24 of the base side plate 20 is fitted in the lens cover portion 32. According to such a method, it is possible to store the storage liquid 16 and the contact lens 18 in the storage area 12 at the same time as the storage area 12 is hermetically formed.
  • the storage area 12 secures a sufficient amount of storage solution to keep the contact lens 18 immersed in the storage solution 16 until the contact lens packaging container 10 is opened. It is required to set a predetermined volume of the preservation solution 16 so as not to be troubled by the processing. On the other hand, the accommodated contact lens 18 is maintained in a substantially balanced state where a large pressing force is not applied, and even if vibration or impact is applied from the outside, the accommodated contact lens 18 is not reversed or bent inside. Size and shape are set.
  • the volume of the storage area 12 is 0.10 to 0.40 mL, and more preferably 0.20 to 0.30 mL.
  • the size of the accommodation region 12 is a substantially circular dome shape with a size of a hemisphere or less as a whole, and the maximum value of the inner normal dimension (depth dimension) in the normal direction is 5 mm or less, more preferably 1 -3 mm.
  • the radius of curvature of the lens support surface 28 is made larger than the radius of curvature of the concave lens rear surface 38 that is the base curve of the contact lens 18, and the radius of curvature of the lens cover surface 36 is the contact radius.
  • the radius of curvature of the convex lens front surface 40 of the lens 18 is made larger.
  • the lens is in contact with the lens support surface 28 in the vicinity of the edge portion 42, and is supported in a state where the central portion of the lens rear surface 38 is spaced upward from the lens support surface 28. Further, in the central portion of the contact lens 18 that is spaced upward from the lens support surface 28, the lens front surface 40 is also spaced from the lens cover surface 36. Accordingly, the contact lens 18 accommodated and disposed in the accommodating region 12 can be held in a stable shape in a substantially balanced state without being subjected to unnecessary external force by the inner surface of the accommodating region 12.
  • the contact lens 18 generally has a BC (base curve) of 8.4 to 8.7 mm and a DIA (lens outer diameter) of 13.5 to 14.5 mm.
  • 28 is preferably formed with a radius of curvature of about 11 to 13 mm.
  • the lens covering surface 36 has an inner diameter near the opening at the lower end of about 16 to 20 mm and a radius of curvature of about 9 to 11 mm. Accordingly, for example, when the inner diameter dimension of the lower end of the lens cover surface 36 is 19 mm, the radius of curvature of the lens support surface 28 is 12 mm, and the radius of curvature of the lens cover surface 36 is 10 mm, the maximum inner dimension (depth Can be set to approximately 2 mm.
  • the contact lens 18 has a CT (center portion thickness) of about 0.05 to 0.1 mm and is easily deformed along the lens support surface 28 by the action of the surface tension of the storage liquid 16. In consideration of the above, the contact lens 18 can be maintained in a substantially balanced state by setting the depth dimension of the housing region 12 to 1 to 3 mm.
  • the contact lens 18 to be accommodated is not particularly limited with respect to its material and optical characteristics as long as it can be elastically deformed.
  • a contact lens made of a material having a relatively high viscosity such as a silicone hydrogel soft contact lens having a silicone component may be used.
  • the contact lens 18 may overlap with the lens support surface 28 due to the deformation. Therefore, the contact lens 18 placed on the lens support surface 28 is affected by the surface tension of the storage solution 16 interposed between the lens support surface 28 and the lens support surface 28 in addition to the frictional resistance at the contact portion. It can be stably positioned and held at a predetermined position on the surface 28.
  • the contact lens 18 You may enlarge the curvature radius of the part located below a mounting area
  • the base-side flange-like portion is controlled such that the outer peripheral edge portion of the contact lens 18 abuts against the base-side flange-like portion 26.
  • the amount of projection of the lens support surface 28 from 26 may be set according to the size of the contact lens 18 to be placed.
  • the flat surface portion 44 is formed on the lens support surface 28 on which the contact lens 18 is placed so as to be located at the top portion.
  • the flat portion 44 is a circular plane parallel to the tangent plane of the apex of the lens support surface 28.
  • the height of the vertex of the lens support surface 28 is made small by forming such a plane part 44.
  • the distance between the opposing surfaces of the lens supporting surface 28 and the contact lens 18 is different between the opposing surfaces, which are the overlapping surfaces of the contact lens 18 placed on the lens supporting surface 28 and the flat portion 44.
  • a gap 46 which is larger than that of the portion is formed.
  • the outer peripheral edge portion of the flat portion 44 is set to a region covered with the contact lens 18 over the entire periphery, and is positioned at a central portion that does not reach the outer peripheral edge portion of the contact lens 18. ing.
  • the gap 46 is provided in the central portion of the contact lens 18 without being opened to the outer periphery of the contact lens 18.
  • the size of the gap 46 is set by the radius of curvature R of the lens support surface 28, the size (diameter) ⁇ of the flat portion 44, and the DIA and BC of the contact lens 18. Specifically, as illustrated in FIGS. 4A and 4B, when the DIA of the contact lens 18 is 14.0 mm and BC is 8.6 mm, the radius of curvature R of the lens support surface 28 is increased. Is 11 mm or 12 mm, and the size (diameter) ⁇ of the plane portion 44 is 3 mm, 5 mm, or 8 mm, the maximum value of the gap 46 (distance on the normal passing through the apex) is 1.19 mm to 2.04 mm. Can be set in the range.
  • the maximum value of the gap 46 is desirably set within a range of 1.2 to 3.0 mm, more preferably 1.5 to 2.5 mm, and still more preferably 1.7 to 2.3 mm. It is said. Further, when the flat portion 44 that forms the gap 46 is circular and formed independently at the apex of the lens support surface 28 as in this embodiment, the outer diameter may be set in the range of 3 to 8 mm. Desirably, it is more preferably set in the range of 4 to 6 mm.
  • the gap 46 or the flat portion 44 is too small, it is difficult to sufficiently exhibit the effect of improving the operability when picking up the contact lens 18 described later.
  • the gap 46 or the flat portion 44 becomes too large, the contact lens 18 and the lens support surface 28 are easily separated from each other, and it is difficult to obtain a sufficient attracting force and holding force of the contact lens 18 on the lens support surface 28. Become. As a result, the holding stability of the contact lens 18 on the lens support surface 28 is lowered, and when the contact lens 18 is picked up by the fingertip and removed from the lens support surface 28, the contact lens 18 is reversed upside down. There is a risk that handling may be reduced due to breaking or sticking.
  • the contact lens 18 Since the gap 46 having a predetermined size is formed between the overlapping surfaces of the flat portion 44 and the contact lens 18, the contact lens 18 is placed on the lens support surface 28 in the sealed housing region 12. While making it possible to hold it stably, it is possible to easily and quickly take out the contact lens 18 by picking it with a finger when the accommodation region 12 is opened and worn.
  • the contact lens packaging container 10 of this embodiment is opened and the lens user takes out the contact lens and wears it, first, as shown in FIG.
  • the fixing part is peeled off by applying a force so that the side flange-shaped part 34 is pulled apart from one another with fingers, and the lid side plate 22 is lifted from the base side plate 20 to perform an opening operation.
  • the accommodation region 12 is opened to the atmosphere, and the contact lens 18 is exposed in a state of being placed on the lens support surface 28.
  • the storage solution 16 filled in the storage area 12 flows out.
  • the storage amount of the storage solution 16 is small, for example, it is easy to lay paper or cloth below. Can be processed.
  • the contact lens packaging container 10 of the present embodiment is provided with a vertical display indicating that the state where the base side plate 20 is on the lower side and the lid side plate 22 is on the upper side is a normal state at the time of opening.
  • a vertical display indicating that the state where the base side plate 20 is on the lower side and the lid side plate 22 is on the upper side is a normal state at the time of opening.
  • characters, symbols, or the like are displayed on the upper surface of the lid-side flange-shaped portion 34 by printing, unevenness, etc., and display indicating that it is the upper surface, or on the lower surface of the base-side flange-shaped portion 26. This is realized by attaching a similar display to indicate that it is the lower surface. This prevents an unfamiliar lens user from performing an erroneous opening operation.
  • the contact lens 18 supported by the lens support surface 28 in the housing region 12 is spaced apart from the lens cover surface 36, the contact lens 18 is mounted on the lens support surface 28 without sticking to the lid side plate 22 when opened. It can be stably held in the standing state.
  • the radius of curvature of the lens cover surface 36 is larger than the radius of curvature of the lens front surface 40 of the contact lens 18, and even if the contact lens 18 is in contact with the lens cover surface 36, the contact area can be kept sufficiently small. Therefore, adhesion of the contact lens 18 to the lens covering surface 36 can be prevented at the time of opening.
  • the lens covering surface 36 in order to more effectively prevent the contact lens 18 from adhering to the lens covering surface 36 at the time of opening, it is also effective to give the lens covering surface 36 an embossing process or the like to give unevenness.
  • a radius of curvature larger than the region may be set.
  • the lens cover surface 36 facing the top of the contact lens 18 on the inner surface of the top of the lens cover 32 of the lid side plate 22 has a planar shape perpendicular to the normal line. Is also possible. In FIG.
  • the lens cover surface 36 has a circular shape with a smaller outer diameter than the DIA of the contact lens 18, but the lens cover surface has a polyhedral shape such as a polyhedral lens support surface (see FIGS. 9 to 14) described later. 36 may be formed.
  • a lens cover portion 32 can be formed by pressing, molding, or the like, but is preferably formed with a substantially constant thickness, and is particularly shaped in consideration of the hardness and elasticity of the forming material. By setting this, it is also possible to prevent adverse effects on the contact lens 18 when an external force such as dropping is applied.
  • the lens cover 32 is formed of an aluminum film or the like, the top of the planar shape as shown in FIG.
  • the lens cover 32 is formed of a transparent laminated resin film or the like.
  • the top of the spherical crown as shown in FIG. 1 is preferable in terms of strength.
  • the surface area of the lens support surface 28 where the contact lens 18 is placed may be subjected to a surface treatment by plasma processing to improve hydrophilicity. It is valid.
  • the contact lens 18 exposed in the mounting state on the lens support surface 28 by the opening operation as described above is mounted with the lens front surface 40 facing upward, as shown in FIG. From the state, the lens user picks the contact lens 18 with fingers. At that time, as shown in FIG. 7, first, the belly of one finger (for example, the index finger) is superimposed on the substantially central portion of the contact lens 18 from above, and the other one finger (for example, the thumb) is placed on the outer periphery of the contact lens. The contact lens 18 is picked up with these two fingers in a superimposed manner.
  • the belly of one finger for example, the index finger
  • the other one finger for example, the thumb
  • the lens support surface 28 on which the contact lens 18 is placed protrudes upward from the flat plate-shaped base side plate 20 and is formed in an exposed state without being covered with the periphery.
  • the fingertip can be easily overlapped from above or from the side, and the operation of picking up the contact lens 18 can be easily performed.
  • the contact lens 18 is placed on the belly of one finger from above.
  • the central portion of the contact lens 18 is pushed and moved to the lens support surface 28 side so as to crush the gap 46.
  • the preservation solution 16 filled therein is pushed out between the lens support surface 28 and the contact lens 18 to the outer peripheral side and spreads.
  • the pressure of the storage liquid 16 acts on a wide area of the lens rear surface 38 of the contact lens 18, and the contact lens 18 comes to float from the lens support surface 28 particularly in the outer peripheral portion.
  • the adhesion force of the contact lens 18 to the lens support surface 28 is reduced, and the contact lens 18 can be easily picked up with fingers.
  • the contact lens 18 picked up with two fingers of one hand is mounted with the rear surface 38 facing upward on the abdomen of one finger superimposed on the central portion. Can be placed. Therefore, there is no need to place the fingertip on the other hand, and the lens user can quickly wear it on his / her eye while the contact lens 18 is picked up from the lens support surface 28 and placed on the finger.
  • the contact lens 18 accommodated in the accommodation region 12 is supported by the lens when transported from the lens manufacturer to the store or the lens user or carried by the lens user. It can be stably held on the surface 28, avoiding bending and bending of the contact lens 18 as much as possible, and accommodated in the immersion state in the storage solution 16.
  • the planar portion 44 of the lens support surface 28 is not limited in terms of position, inclination direction, etc. in addition to its size.
  • the flat portion 44 may be formed at a position off the top of the lens support surface 28, or the flat portion 44 may be formed with a predetermined inclination angle with respect to a plane orthogonal to the normal line of the lens support surface 28. Also good.
  • a lens support surface 28 having a total of nine plane portions 44 may be employed.
  • a total of five flat portions provided at the apex and its upper, lower, left, and right sides are not opened to the outer peripheral edge of the contact lens 18 and are formed in the central portion of the contact lens 18. It will be located and the whole surface will be covered.
  • the lens support surface 28 into a polyhedral shape in which a plurality of planes are connected. Specifically, for example, from the polyhedral lens support surface 28 composed of a total of 17 plane portions 44 shown in FIGS. 11 and 12, and from the total 41 plane portions 44 shown in FIGS. A polyhedral lens support surface 28 or the like can also be used.
  • a total of nine flat portions 44 provided around the apex and the periphery thereof are not opened to the outer peripheral edge portion of the contact lens 18 and are located in the central portion and cover the entire surface. Will be.
  • a total of 21 plane portions 44 provided around the apex and the periphery thereof are not opened to the outer peripheral edge portion of the contact lens 18 and are located in the central portion and cover the entire surface. Will be.
  • the central portion of the contact lens 18 is avoided while avoiding an excessive maximum value of the gap 46 between the lens support surface 28 and the contact lens 18.
  • the volume of the gap 46 can be set large, or the gap 46 can be formed in a wide area.
  • a recess that is located on the outer peripheral side of the fixing region with the lid side plate 22 and that opens upward can be formed.
  • the storage liquid 16 overflowing from the storage area 12 when opened can be stored to reduce or prevent spilling from the contact lens packaging container 10 to the outside.
  • cover side plate 22 were comprised by the separate components mutually independent, for example, these base side plates 20 and the lid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

L'invention a pour objet un contenant de conditionnement de lentille de contact ayant une structure innovante susceptible de réduire le volume de solution de conservation versée dans la zone de retenue de la lentille de contact tout en maintenant de façon stable la position de la lentille de contact retenue et, lorsque le film protecteur est ouvert, en permettant de sortir facilement la lentille de contact d'une seule main. Une surface de support de lentille (28) en forme de couronne, sphérique et convexe d'une plaque de base (20) et une surface de couverture de lentille (36) en forme de couronne, sphérique et concave d'une plaque couvrante (22) sont superposées et une lentille de contact (18) et une solution de conservation (16) sont logées dans la zone de retenue formée entre les surfaces de celles-ci se faisant face. Une partie plate (44) est formée sur la surface de support de lentille (28) afin de ménager un espace (46) entre les surfaces superposées de la partie plate (44) et de la lentille de contact (18).
PCT/JP2011/003206 2011-06-07 2011-06-07 Contenant de conditionnement de lentille de contact Ceased WO2012168964A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013519224A JP5676760B2 (ja) 2011-06-07 2011-06-07 コンタクトレンズ包装容器
PCT/JP2011/003206 WO2012168964A1 (fr) 2011-06-07 2011-06-07 Contenant de conditionnement de lentille de contact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/003206 WO2012168964A1 (fr) 2011-06-07 2011-06-07 Contenant de conditionnement de lentille de contact

Publications (1)

Publication Number Publication Date
WO2012168964A1 true WO2012168964A1 (fr) 2012-12-13

Family

ID=47295576

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/003206 Ceased WO2012168964A1 (fr) 2011-06-07 2011-06-07 Contenant de conditionnement de lentille de contact

Country Status (2)

Country Link
JP (1) JP5676760B2 (fr)
WO (1) WO2012168964A1 (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014157172A (ja) * 2013-02-14 2014-08-28 Menicon Co Ltd コンタクトレンズ保存ケース
JP2014157171A (ja) * 2013-02-14 2014-08-28 Menicon Co Ltd コンタクトレンズ保存ケース
CN105072948A (zh) * 2013-03-15 2015-11-18 庄臣及庄臣视力保护公司 具有减小的顶部空间的接触镜片包装
JP2018205742A (ja) * 2017-06-02 2018-12-27 ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッドＪｏｈｎｓｏｎ ＆ Ｊｏｈｎｓｏｎ Ｖｉｓｉｏｎ Ｃａｒｅ， Ｉｎｃ． レンズ−パッケージ相互作用が低減したコンタクトレンズパッケージ及びその製造方法
US10368621B2 (en) 2013-03-15 2019-08-06 Johnson & Johnson Vision Care, Inc. Contact lens package with reduced lens-package interactions and method of making
WO2020152447A1 (fr) * 2019-01-22 2020-07-30 Coopervision International Holding Company, Lp Emballages-coques en mosaïque pour lentilles de contact
US11136176B2 (en) 2019-01-22 2021-10-05 Coopervision International Limited Contact lens blister package with lens cradle
GB2597833A (en) * 2020-06-23 2022-02-09 Coopervision Int Ltd Contact lens packages and methods of use
US11253035B2 (en) 2019-01-22 2022-02-22 Coopervision International Holding Company, Lp Blister package for contact lens
US11267643B2 (en) 2019-01-22 2022-03-08 Coopervision International Limited Contact lens dispenser
US11419397B2 (en) 2019-01-22 2022-08-23 Coopervision International Limited Push-up contact lens blister package
US12053069B2 (en) 2019-01-22 2024-08-06 Coopervision International Limited Contact lens blister package with double layer foil component
US12187522B2 (en) 2023-01-13 2025-01-07 Johnson & Johnson Vision Care, Inc. Contact lens packages having an absorbent member
USD1061023S1 (en) 2022-06-21 2025-02-11 Johnson & Johnson Vision Care, Inc. Contact lens package
USD1062223S1 (en) 2022-06-21 2025-02-18 Johnson & Johnson Vision Care, Inc. Contact lens package
US12414615B2 (en) 2020-12-13 2025-09-16 Johnson & Johnson Vision Care, Inc. Contact lens packages and methods of opening
US12458121B2 (en) 2022-09-27 2025-11-04 Johnson & Johnson Vision Care, Inc. Contact lens package with draining port
JP7788027B1 (ja) * 2025-04-01 2025-12-17 株式会社メニコン コンタクトレンズパッケージおよびその製造方法
US12503289B2 (en) 2021-12-16 2025-12-23 Johnson & Johnson Vision Care, Inc. Pressurized or vacuum-sealed contact lens packages

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JP2005234576A (ja) * 2004-02-17 2005-09-02 Clearlab Internatl Pte Ltd 使い捨てソフトコンタクトレンズ用包装容器
WO2009069216A1 (fr) * 2007-11-29 2009-06-04 Menicon Co., Ltd. Boîtier de lentilles de contact
JP2009545001A (ja) * 2006-07-21 2009-12-17 株式会社メニコン 基材を使用した使い捨てソフトコンタクトレンズ用デュオパッケージ

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Publication number Priority date Publication date Assignee Title
JPS483151U (fr) * 1971-06-01 1973-01-16
JPS54123232U (fr) * 1978-02-08 1979-08-29
JP2005234576A (ja) * 2004-02-17 2005-09-02 Clearlab Internatl Pte Ltd 使い捨てソフトコンタクトレンズ用包装容器
JP2009545001A (ja) * 2006-07-21 2009-12-17 株式会社メニコン 基材を使用した使い捨てソフトコンタクトレンズ用デュオパッケージ
WO2009069216A1 (fr) * 2007-11-29 2009-06-04 Menicon Co., Ltd. Boîtier de lentilles de contact

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014157171A (ja) * 2013-02-14 2014-08-28 Menicon Co Ltd コンタクトレンズ保存ケース
JP2014157172A (ja) * 2013-02-14 2014-08-28 Menicon Co Ltd コンタクトレンズ保存ケース
CN105072948A (zh) * 2013-03-15 2015-11-18 庄臣及庄臣视力保护公司 具有减小的顶部空间的接触镜片包装
US10092075B2 (en) 2013-03-15 2018-10-09 Johnson & Johnson Vision Care, Inc. Contact lens package with reduced head space
US10368621B2 (en) 2013-03-15 2019-08-06 Johnson & Johnson Vision Care, Inc. Contact lens package with reduced lens-package interactions and method of making
JP7163072B2 (ja) 2017-06-02 2022-10-31 ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッド レンズ－パッケージ相互作用が低減したコンタクトレンズパッケージ及びその製造方法
JP2018205742A (ja) * 2017-06-02 2018-12-27 ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッドＪｏｈｎｓｏｎ ＆ Ｊｏｈｎｓｏｎ Ｖｉｓｉｏｎ Ｃａｒｅ， Ｉｎｃ． レンズ−パッケージ相互作用が低減したコンタクトレンズパッケージ及びその製造方法
CN113329948B (zh) * 2019-01-22 2022-12-06 库博光学国际有限公司 隐形眼镜的镶嵌式泡罩包装
US12053069B2 (en) 2019-01-22 2024-08-06 Coopervision International Limited Contact lens blister package with double layer foil component
GB2595600A (en) * 2019-01-22 2021-12-01 Coopervision Int Ltd Tessellating blister packages for contact lenses
US11229266B2 (en) 2019-01-22 2022-01-25 Coopervision International Limited Tessellating blister packages for contact lenses
US12440012B2 (en) 2019-01-22 2025-10-14 Coopervision International Limited Contact lens blister package with double layer foil component
US11253035B2 (en) 2019-01-22 2022-02-22 Coopervision International Holding Company, Lp Blister package for contact lens
JP2022516376A (ja) * 2019-01-22 2022-02-25 クーパーヴィジョン インターナショナル リミテッド コンタクトレンズ用テセレーティングブリスター包装体
US11267643B2 (en) 2019-01-22 2022-03-08 Coopervision International Limited Contact lens dispenser
AU2020212438B2 (en) * 2019-01-22 2022-03-24 Coopervision International Limited Tessellating blister packages for contact lenses
US11419397B2 (en) 2019-01-22 2022-08-23 Coopervision International Limited Push-up contact lens blister package
CN113329948A (zh) * 2019-01-22 2021-08-31 库博光学国际有限公司 隐形眼镜的镶嵌式泡罩包装
WO2020152447A1 (fr) * 2019-01-22 2020-07-30 Coopervision International Holding Company, Lp Emballages-coques en mosaïque pour lentilles de contact
JP7185056B2 (ja) 2019-01-22 2022-12-06 クーパーヴィジョン インターナショナル リミテッド コンタクトレンズ用テセレーティングブリスター包装体
GB2595600B (en) * 2019-01-22 2023-03-01 Coopervision Int Ltd Tessellating blister packages for contact lenses
US11136176B2 (en) 2019-01-22 2021-10-05 Coopervision International Limited Contact lens blister package with lens cradle
US11980265B2 (en) 2019-01-22 2024-05-14 Coopervision International Limited Blister package for contact lens
US11684131B2 (en) 2019-01-22 2023-06-27 Coopervision International Limited Tessellating blister packages for contact lenses
US11724870B2 (en) 2019-01-22 2023-08-15 Coopervision International Limited Contact lens dispenser
US11871822B2 (en) 2019-01-22 2024-01-16 Coopervision International Limited Blister package for contact lens
TWI841672B (zh) * 2019-01-22 2024-05-11 英商庫博光學國際有限公司 隱形眼鏡之泡型包裝及泡型包裝之堆疊
US11945632B2 (en) 2020-06-23 2024-04-02 Coopervision International Limited Contact lens packages and methods of use
GB2597833B (en) * 2020-06-23 2023-06-14 Coopervision Int Ltd Contact lens packages and methods of use
US11649099B2 (en) 2020-06-23 2023-05-16 Coopervision International Limited Contact lens packages and methods of use
GB2597833A (en) * 2020-06-23 2022-02-09 Coopervision Int Ltd Contact lens packages and methods of use
US12414615B2 (en) 2020-12-13 2025-09-16 Johnson & Johnson Vision Care, Inc. Contact lens packages and methods of opening
US12503289B2 (en) 2021-12-16 2025-12-23 Johnson & Johnson Vision Care, Inc. Pressurized or vacuum-sealed contact lens packages
USD1061023S1 (en) 2022-06-21 2025-02-11 Johnson & Johnson Vision Care, Inc. Contact lens package
USD1062223S1 (en) 2022-06-21 2025-02-18 Johnson & Johnson Vision Care, Inc. Contact lens package
US12458121B2 (en) 2022-09-27 2025-11-04 Johnson & Johnson Vision Care, Inc. Contact lens package with draining port
US12187522B2 (en) 2023-01-13 2025-01-07 Johnson & Johnson Vision Care, Inc. Contact lens packages having an absorbent member
JP7788027B1 (ja) * 2025-04-01 2025-12-17 株式会社メニコン コンタクトレンズパッケージおよびその製造方法

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