WO2002098327A1 - Boitier d'implant oculaire - Google Patents
Boitier d'implant oculaire Download PDFInfo
- Publication number
- WO2002098327A1 WO2002098327A1 PCT/JP2001/004730 JP0104730W WO02098327A1 WO 2002098327 A1 WO2002098327 A1 WO 2002098327A1 JP 0104730 W JP0104730 W JP 0104730W WO 02098327 A1 WO02098327 A1 WO 02098327A1
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- WO
- WIPO (PCT)
- Prior art keywords
- intraocular lens
- lid
- substrate
- mounting table
- case
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1691—Packages or dispensers for intraocular lenses
Definitions
- the present invention relates to an intraocular lens case for accommodating the intraocular lens. More specifically, the folding function works when a soft intraocular lens is stored, and the bending function works when a hard intraocular lens is stored. Involvement of an intraocular lens case that is not possible. Background art
- the intraocular lens is an operation in which the lens is removed from the lens capsule by surgical operation when the lens of the human eye fails to function effectively due to a disease or the like. It is inserted into the sac in place of the crystalline lens.
- Such an intraocular lens generally comprises an optic and at least one support for securing the optic in the eye along the optical axis of the eye. It is.
- the optic may be a rigid lens that cannot be deformed, or a soft lens that can be deformed. In the case of a soft lens that can be deformed, it can be bent around the bending axis, and can be bent from the incision into the eye (water). Can be inserted into the body, and when it is inserted and inserted, the soft lens will return to its original state (that is, it will bend and bend) due to the elastic force of the soft lens. Return to the non-deformed state.
- the intraocular lens for example, has a small circular shape with a diameter of about 6 mm, so that it is not easy to bend. Therefore, the flexible optical part (flexible lens) has many folds to bend. Many devices (or jigs) have been known for some time. A forceps is one of the bending devices, but the soft lens is selected depending on the small size of the soft lens and the soft force of the soft lens. It is difficult to pinch precisely around the bent axis.
- the Susman intraocular lens case accepts the base 17 and the soft intraocular lens and self-folds around the bend axis.
- a holding portion 35 for holding the intraocular lens against the turning movement of the intraocular lens, and a cap 21 are provided.
- the fold 19 includes a jaw 63, which allows the fold 19 and relative rotation of the intraocular lens about the axis of rotation. And accepts and supports the intraocular lens.
- the jaw 63 is relatively moved to bend the optical part itself around the bending axis.
- the bent portion 19 and the holding portion 35 are provided for the relative turning motion around the rotation axis 85, and thereby the holding portion is provided.
- the cap 21 for changing the angle of the bending axis with respect to 35 has a mounting leg 89 and a leg 93 for stabilizing the posture, and the mounting leg 89 has a flange 91. I'm nervous.
- the mounting feet 89 and the flange 91 engage with the bayonet hole 31.
- a Susman's intraocular lens case having such a configuration is configured to stake the intraocular lens by pivoting the intraocular lens with respect to the holder around a pivot axis 85 around the pivot axis 85.
- the intraocular lens case of Susman has a configuration in which the bent portion 19 is sandwiched between the cap 21 and the base 17 by the cap 21. Since the mounting feet 89 and the feet 93 for stabilizing the posture are provided on the cap 21, the number of parts must be large and the structure of each component However, the complexity of the method requires a large number of molds, which in turn increases the cost.
- International Publication No. WO 01Z03611 (hereinafter simply referred to as âInternational Publicationâ) can be bent elastically.
- a movable member 101 having a pair of legs 112a, 112b, and a common base end 111 connecting the pair of legs 112a, 112b; and a pair of legs 112a, 112b.
- a soft intraocular lens case including a base member 102 that can be slid and moved by penetrating the distal end portion is disclosed.
- Lens mounting portions 113a and 113b for mounting an intraocular lens are provided on the distal end sides of the pair of legs 112a and 112b, and the intraocular lenses are sandwiched between the lens mounting portions 113a and 113b. Walls 114a and 114b for mounting are provided.
- the base member 102 has a slide groove functioning as a means for narrowing the space between the legs 112a and 112b in accordance with the amount of slide movement of the legs 112a and 112b. 121 are set up.
- a separate base member is required to bend the intraocular lens.
- the present invention solves the above-mentioned conventional problems, and provides a low-cost intraocular lens case having a small number of parts, a simple structure of each part, and a low cost. It is the purpose. Disclosure of the invention
- the intraocular lens case (Claim 1 of the present invention) of the present invention comprises a substrate, an inner plate, and an upper plate provided with a storage means for storing the intraocular lens.
- the board is made of a synthetic resin body sandwiched between predetermined positions of the guide plate and the upper plate, and a synthetic resin body attached and detached to and from the board.
- the storage means includes a mounting table on which the supporting portion of the intraocular lens is mounted, and
- the mounting table is provided with opposing surfaces having shapes complementary to each other, and is composed of two separated partial cars,
- the optical part of the intraocular lens is positioned between the two parts of the mounting table,
- the lid comprises a flat base and an annular projection provided on one side of the base, and a locking claw is provided on the annular projection.
- the claw of the lid is engaged with a locking groove provided on a guide projection formed on the substrate outside the storage means, and
- the storage means is covered by the lid, and is formed by the annular projection. Surrounded by
- the board, the inner plate, and the inner plate and the upper plate are each integrally and folded and connected to each other.
- the substrate and the guide plate, and the guide plate and the upper plate are integrally and individually folded.
- the essential components can be manufactured by injection molding with a single mold, so the cost can be largely reduced. it can .
- a split groove is formed from one end of the substrate along a surface facing the two portions of the mounting table.
- the substrate has a substantially U-shape, and the substrate faces inward (ie, the opposing surfaces of the two portions of the mounting table are connected to each other). (In the direction in which they approach), and when the lid is attached to the substrate, the annular projection is surrounded by the guide projection. Therefore, the inward movement of the substrate is prevented. For this reason, the intraocular lens case having such a configuration can be applied to a hard or soft intraocular lens (claim 2).
- the two parts of the mounting table are each sandwiched between the optical parts of the soft lens.
- the two sides of the mounting table are gripped by gripping both sides of the split groove of the substrate so that the opposing surfaces of the two parts are brought closer to each other.
- the optical part of the soft intraocular lens, which is sandwiched between the clip pieces provided on the two parts of the mounting table, is bent into two. Scope of claim (paragraph 3)).
- the optical part of the soft intraocular lens is bent in two, the optical part will not protrude from the gap between the two parts of the mounting table. (Claim 4). By doing so, it is possible to prevent the optical part from adhering to the opposing surfaces of the two parts of the mounting table.
- the substrate is deformed such that the opposing surfaces of the two portions of the mounting table approach each other.
- Deformation prevention means can be provided to prevent this (claim 5).
- the deformation preventing means is a protrusion provided on either the guide plate or the upper plate.
- the protrusion can be engaged with the split groove.
- the two surfaces of the mounting table cannot be brought close to each other. Therefore, it can be applied to a case for a hard intraocular lens (Claim 6).
- the annular projection of the lid is provided via a weak connecting means.
- the lid is connected to the base of the lid and the opening direction of the lid is the direction of tightening the lid, when the lid is rotated in the direction of tightening by a predetermined angle or more, The base separates leaving an annular protrusion on the substrate. For this reason, the annular projection left on the substrate prevents the two surfaces of the mounting table from approaching each other, and the rigid intraocular lens. Applicable to the case for use (claim 7).
- the annular projection of the lid is connected to the base of the lid via a weak connecting means. And open the lid.
- the lid can be removed without the annular protrusion and the base being separated.
- FIG. 1 is a development explanatory diagram showing an example of a substrate, a guide plate, and an upper plate of an intraocular lens case according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along the line A-A of FIG.
- FIG. 3 is a plan view showing an example of a lid applied to the intraocular lens case of FIG. 1, and (b) is a cross-sectional explanation showing an example of the lid of the present invention. It is a figure, and (c) is sectional explanatory drawing which shows the other example of the lid of this invention.
- FIG. 4 is an enlarged explanatory view of the lid of FIG. 3 (b).
- FIG. 5 is an explanatory plan view showing a state in which a lid, a lid, and the like have been assembled after assembling the substrate, guide plate, and upper plate of the intraocular lens case of FIG.
- FIG. 6 is an explanatory plan view showing a state where the lid is removed from the intraocular lens case of FIG.
- FIG. 7 is an explanatory diagram showing the rotation direction for removing the lid of the intraocular lens case of the present invention, and (b) and (c) are (a). 2) is an enlarged explanatory view of a portion indicated by reference numeral X in FIG.
- FIG. 8 is an explanatory plan view showing a state where a lid is removed from an intraocular lens case according to an embodiment of the present invention.
- FIG. 9 is an explanatory plan view showing a state where a lid is removed from an intraocular lens case according to another embodiment of the present invention.
- FIG. 10 is an explanatory plan view showing a state where a lid is removed from an intraocular lens case according to still another embodiment of the present invention.
- FIG. 11 is an explanatory plan view showing a state where a lid is removed from an intraocular lens case according to still another embodiment of the present invention.
- FIG. 12 is an explanatory plan view showing a state where a lid is removed from an intraocular lens case according to still another embodiment of the present invention.
- FIG. 13 is an explanatory plan view showing a state where a lid is removed from an intraocular lens case according to still another embodiment of the present invention.
- FIG. 14 is an explanatory plan view showing a state where a lid is removed from an intraocular lens case according to still another embodiment of the present invention.
- FIG. 15 is an explanatory plan view showing a state where a lid is removed from an intraocular lens case according to still another embodiment of the present invention.
- FIG. 16 is an explanatory plan view showing a state where a lid is removed from an intraocular lens case according to still another embodiment of the present invention.
- FIG. 17 is an explanatory plan view showing a state where a lid is removed from an intraocular lens case according to still another embodiment of the present invention.
- FIG. 18 is an explanatory plan view showing a substrate of an intraocular lens case according to a reference example.
- FIG. 19 is a plan view of the lid attached to the intraocular lens case of FIG. 18, and (b) is a cross-sectional explanatory view of the lid of (a). .
- FIG. 20 is an explanatory diagram showing a state immediately before a soft intraocular lens is folded using a conventional intraocular lens folding device.
- FIG. 21 is an explanatory diagram showing a state in which the soft intraocular lens is folded using the intraocular lens folding device of FIG.
- FIG. 22 is a perspective view showing a conventional intraocular lens case.
- FIG. 23 is an exploded perspective view of the intraocular lens case of FIG. 22.
- FIG. 24 is an intraocular lens case of FIG.
- FIG. 4 is an explanatory plan view of a main part showing a state where a soft intraocular lens is stored in a lens case.
- FIG. 25 is an explanatory sectional view of a main part showing a state where the soft intraocular lens is stored in the intraocular lens case of FIG. 22.
- the present inventors have proposed a soft intraocular lens case having a bending function based on a patent application filed on December 9, 2000 (Japanese Patent Application No. No. 350545).
- the mounting table is provided on the left and right sides of the substrate 2 for mounting the flexible substrate 2 and the soft intraocular lens, and on the left and right sides of the substrate 2 across the split groove SL.
- socket holes BH for engaging with the socket claws BN protruding from the rear surface of the lid 8. ing .
- the case according to this reference example is based on the aforementioned Susman (US Pat. No. 5,281,227) and international publication.
- the optical part of the lens extends in the same direction as the direction in which it bends, so that when the lid 8 is opened and closed, there is no extra effect on the optical part of the intraocular lens.
- the guide projection GP is essential, there is little space for setting the bayonet hole BH, and the lid 8 is locked with two pairs of nonnet nails BN. This is achieved by engaging the net hole BH. For this reason, the fixing stability of the lid 8 to the substrate 2 is poor.
- the board, guide plate, and upper plate that make up the main body are independent members, so three points are required for injection molding. There is a problem that a mold is required and the cost becomes high.
- the case according to the present embodiment is provided with a synthetic resin main body 5 composed of a substrate 2, a planner plate 3 and an upper plate 4. Yes.
- the guide plate 3 has a rectangular portion 3 a having almost the same shape as the upper plate 4, and a tip portion 3 formed integrally with the rectangular portion 3 a.
- One of the long sides of the rectangular part 3a is connected to one of the long sides of the upper plate 4 via a hinge part HI.
- the substrate 2 is connected to the short side of the rectangular portion 3a via the hinge portion H2.
- the hinge portions H1 and H2 have a thin structure as shown in FIG.
- Cases according to this embodiment include, for example, polypropylene, polyvinyl chloride, polyethylene, polybutadiene, polystyrene, and polystyrene. It can be manufactured from synthetic resin materials such as polyethylene terephthalate.
- the substrate 2 is positioned at a predetermined position between the guide plate 3 and the upper plate 4 by being bent with respect to the hinge portions H1 and H2 of the thin structure. It is spelled out.
- a ridge 3c is formed on the other long side of the rectangular portion 3a with a space therebetween, and the ridge 3c is also formed on the other long side of the upper plate 4 with a space therebetween. Since the ridges 4a are formed, the substrate 2 is bent with respect to the hinge H2 and overlapped on the guide plate 3, and then the upper plate 4 is attached to the hinge portion H. 1 is bent and overlapped on the substrate 2, and the ridge 4 a is pressed into the space between the adjacent ridges 3 c, and the substrate 2 is connected with the guide plate 3 and the upper plate 4. It will be pinched.
- the parts S la and S2a of the substantially partial cylindrical surface at the center, the sandwiching piece 6p described later, and the locking pin 7 described later are described in claim 1. It functions as a storage means for storing the intraocular lens specified in the regulations.
- the mounting table 6 is composed of two parts 6a and 6b of the mounting table 6 separated from each other.
- the two parts 6a and 6b of the mounting table 6 are arranged so as to face each other across a dividing groove SL described later. It has opposing surfaces S1 and S2 having shapes complementary to each other, and the intraocular lens is located between the two parts 6a and 6b of the mounting table 6.
- Optics It is positioned as a club.
- the mounting table 6 has an arc-shaped periphery having a diameter larger than the entire length of the intraocular lens.
- the height of the two parts 6a and 6b of the mounting table 6 is the same, and the height is such that the optical part of the intraocular lens does not touch the guide plate 3. It is to the extent.
- the free end side of the substrate 2 (that is, A recess Ra is formed on the upper side, and the free end side of the substrate 2 (that is, on the upper side of the paper) in the right portion 6b is formed with the recess Ra.
- a convex portion Pb having a complementary relationship with the above is formed.
- a convex part Pa is formed at a part opposite to the concave part Ra with respect to a sandwiching piece 6p described later, and a convex part Pa is formed on the right part.
- a concave portion Rb having a complementary relationship with the convex portion Pa is provided at a portion opposite to the convex portion Pb with respect to a clip 6p described later.
- a rotation stop pin 7 is projected from the upper surface of the convex portion Pb of the right portion 6b and the upper surface of the convex portion Pa of the left portion 6a, respectively.
- the height of the detent pin 7 is the same as the height of the pin 6p described later, or the supporting portion of the intraocular lens does not exceed the detent pin 7. About the height.
- the case according to the present embodiment is further provided with a synthetic resin â 8 that is independently attached to and detached from the substrate 2 (see FIG. 3).
- the lid 8 includes a flat base 8a and an annular protrusion 8b provided on one side of the base 8a.
- the annular projection 8b is provided with a locking nail N, and is formed on the substrate 2 outside the two portions 6a and 6b of the mounting table 6 described above.
- the locking groove G (see (b) and (b) in Fig. 1) provided in the inner convex portion 2p
- the nail N of the lid 8 is engaged with (see (c)).
- FIGS. 7B and 7C are enlarged explanatory diagrams of a portion indicated by a reference symbol X in FIG. 7A.
- the lid 8 In a state where the lid 8 is attached to the S plate 2, the two portions 6 a and 6 b of the mounting table 6 are covered by the lid S, the lid 8, and the annular shape It is surrounded by the protrusion 8b. In this way, the groove G for locking the nail N and the protruding portion 2p are integrated, and the direction opposite to the direction in which the optical section of the intraocular lens bends is bent. Since the lid 8 is configured to be fixed, the lid 8 cannot be easily removed from the main body. Also, with this configuration, the number of grooves for locking the lid can be increased as compared with the case of the above-described reference example, so that the stability of fixing the lid 8 to the substrate 2 can be improved. This has the advantage that it can be improved.
- the structure of the lid 8 is such that, as shown in FIG. 3 (b) and FIG. 4, the annular projection 8b has weak connecting means. It is connected to the base 8a of the lid 8 via 8c.
- the projections 8 b of the annular their respective equivalents Settai 8 S 1 Contact good beauty 8 s 2 is set only et It is. Chi match for to open Hokata tightening Direction of the lid countercurrent (lid 8, the direction of the arrow B in (a) of FIG. 7, the abutting member 8 S1 Contact good beauty 8 S2 abuts et gastric direction (FIG.
- the lid 8 of this embodiment has the substrate 2 and the guide plate 3 constituting the main body in a state where the lid 8 is closed. It is preferable that each side of the upper plate 4 and the diagonal line of the base 8a of the lid 8 are arranged substantially parallel to each other. By doing so, it becomes easier for a finger to be hooked on the corner of the base 8a of the lid 8, and the lid 8 is easily opened and closed.
- the annular projection 8b of the lid 8 is connected via the weak connecting means 8c.
- the lid 8 is connected to the base 8a of the lid 8 and the opening direction of the lid 8 is set in the opposite direction to the above-mentioned tightening direction (that is, as indicated by the arrow A in FIG. 7 (b)).
- square direction when those Settai 8 S 1 and the 8 S 2 is shall be the equivalent Ru person direction (FIG. 4)), because those Settai 8 S 1, 8 S 2 each other Ru person, fragile connecting body 8
- the cover 8 can be removed from the substrate 2 without causing the ring-shaped protrusion 8b and the base 8a to be separated without the thread c being cut off.
- the facing surfaces SI and S2 of the two parts 6a and 6b of the mounting table 6 can be approached to each other, so that the cable for the soft intraocular lens can be used. Can be applied to
- the end of the substrate 2 (that is, the free end) is connected to the above-mentioned mounting table 6-2 as shown in FIG.
- a split groove SL is provided along opposing surfaces S1 and S2 of the two portions 6a and 6b.
- the portion near the guide plate 3 of the split groove SL has a substantially round hole C. This facilitates the deformation of the substrate 2 when the narrowed portion 2a, 2a on the free end side of the substrate 2 is picked with a finger, and is generated by the deformation of the substrate 2. This is to alleviate the stress concentration.
- the shape of the substrate 2 is almost U-shaped, and the substrate 2 faces inward (that is, the mounting table 6). Opposed surfaces of parts 6a and 6b Sl, S2 When the lid 8 is attached to the substrate 2, the annular projection 8 b is removed by the guide projection 2 p. Be enclosed. Therefore, the substrate 2 is prevented from being deformed inward.
- the case of the present embodiment can be applied to a hard or soft intraocular lens.
- the optical part of the soft lens is sandwiched between the two portions 6a and 6b of the mounting table 6, respectively. It is possible to set a pinch 6p for the female.
- the parts Sla and S2a of the cylindrical surface have a pinch piece 6p projecting from the periphery of the cylindrical surface. Is established.
- the diameter of the partial cylindrical surfaces Sla and S2a is slightly larger than the diameter of the optical part of the intraocular lens.
- the pinch provided on the two portions 6a and 6b of the mounting table 6 is formed.
- the optical part of the soft intraocular lens sandwiched between the pieces 6p and 6p is bent into two folds. That is, as shown in FIG. 6, the optics of the soft intraocular lens are attached to the two parts 6a and 6b of the mounting table 6 by the holding pieces 6p and 6p. Then, pass the supporting portion of the soft intraocular lens through the space between the pinch pieces 6p and 6p and the pin 7 to stop the rotation of the soft intraocular lens. Place on top of two parts 6a, 6b.
- the soft intraocular lens is positioned in place, and rotation around the center of the intraocular lens is prevented.
- the lens surface of the optical unit of the intraocular lens has a lens surface.
- the mounting table 6 Since the optical section protrudes from the gaps 6p and 6p between the two sections 6a and 6b, the optical section protrudes from the two sections 6a and 6a of the mounting table 6. And 6b are prevented from adhering to the opposing surfaces SI and S2.
- a part corresponding to the battery hole BH and the guide convex part GP is indispensable, but in the case of this embodiment, the part described above is required.
- the configuration is such that the nonet hole and the portion corresponding to the guide convex portion GP in the above-mentioned reference example are integrated. For this reason, compared with the above-mentioned reference example, there is more space in the space, and it is possible to provide a gas hole 11 (see FIG. 1). If the gas hole 11 is provided, it is necessary to sterilize the intraocular lens by introducing gas from the gas hole 11 during sterilization and circulating the gas inside the case. This reduces the time required for sterilization and facilitates stable sterilization conditions.
- the case according to the present embodiment is a case dedicated to a hard intraocular lens.
- the basic configuration is the same as that of the case of the first embodiment described above, the difference from the first embodiment, that is, the scope of the claims, item 5
- the deformation prevention means specified in the above will be described below with reference to FIGS. 10 to 17.
- the case according to the present embodiment is also similar to the case of the first embodiment, for example, for example, polypropylene, vinyl chloride, polyethylene, polybutadiene, polybutadiene and polybutadiene. It can be suitably manufactured from, for example, styrene, polyethylene terephthalate and the like. In the case shown in FIG.
- the deformation preventing means has a configuration in which the free end side of the substrate 2 of the split groove SL is not opened but closed. . Therefore, even if the left and right narrowed portions 2a and 2a of the substrate 2 are pinched by the deformation preventing means, the deformation of the substrate 2 is prevented. It is not necessary to employ the lid 8 having the structure of FIG. 3 (b), and the structure shown in FIG. 3 (c) (that is, the structure without the fragile connecting means 8c) is not necessary. A lid 8 can be employed.
- FIG. 12 shows a modified example of the case shown in FIG. 10.
- the configuration without the round hole C communicating with the split groove SL of the substrate 2 of the first embodiment also functions as the deformation preventing means
- the case shown in FIG. Furthermore, it has a point IJ which can prevent the deformation of the substrate 2.
- the lid 8 having the structure shown in FIG. 3 (c) that is, the structure without the fragile connecting means 8c
- the free end side of the substrate 2 is open in the same manner as in the case of the first embodiment described above, but is divided by the substrate 2 of the first embodiment.
- the configuration in which there is no round hole in the split groove SL functions as a deformation preventing means. Therefore, the lid 8 having the structure shown in FIG. 3 (c) (that is, the structure without the fragile connecting means 8c) can be employed, but the hanging parts 2a, 2a It is preferable to display a reminder so that the user can grasp the object strongly.
- FIG. 13 shows a modification of the case of FIG.
- the configuration in which the dividing groove itself is not provided functions as a deformation preventing means, and the deformation of the substrate 2 can be completely prevented.
- the configuration in which the pin 9 is provided on the free end side of the board 2 in the plan board 3 serves as a deformation preventing means. By this deformation preventing means, the deformation of the substrate 2 is prevented. Except for having the pin 9, the configuration is the same as the configuration of the main body 5 of the case of the first embodiment described above.
- the configuration in which the pin 9 is provided in the portion adjacent to the round hole C in either the guide plate 3 or the upper plate 4 prevents deformation. It functions as a means. The deformation of the substrate 2 is prevented by the deformation preventing means. Except for having the pin 9, the configuration is the same as the configuration of the main body 5 of the case of the first embodiment described above.
- the free end side of the substrate 2 on the guide plate 3 and the portion adjacent to the round hole C on either the guide plate 3 or the upper plate 4 are shown.
- the structure in which the pins 9a and 9b are provided at two locations is a deformation preventing means, and the deformation of the substrate 2 is prevented by the two pins 9a and 9b. .
- FIG. 17 is a modification of the case of FIG. 16, in which instead of the two pins 9a and 9b, ridges 10a and 10b are mounted on the inner plate 3.
- the structure provided at the free end side portion and the portion in contact with the round hole C of the substrate 2 function as deformation preventing means.
- the deformation of the substrate 2 is prevented by the deformation preventing means such as the ridges 10a and 10b.
- the plan board 3 or the top board 4 is not provided.
- a pin or a ridge functioning as a deformation preventing means as defined in claim 5 is provided, and the pin or the ridge is provided with a split groove SL. Can be engaged with. Since there are protrusions in the split groove SL, the two Since the facing surfaces SI and S2 of the parts 6a and 6b cannot be deformed so as to approach each other, a case for a hard intraocular lens is used. It can be suitably applied.
- the substrate and the guide plate, and the guide plate and the upper plate are each integrally folded. Because it is connected to the fold itself, essential components can be manufactured by injection molding with a single mold, greatly reducing costs. I can do it.
- the intraocular lens case according to claim 2 of the present invention has a split groove extending along one of the two ends of the mounting table from one end of the substrate.
- the shape of the substrate is substantially U-shaped, and the substrate is directed inward (that is, the opposing surfaces of the two portions of the mounting table are connected to each other). (In the direction in which they approach), and when the lid is attached to the substrate, the annular projection is surrounded by the projection in the plan. Therefore, the inward fluctuation of the substrate is prevented. For this reason, the intraocular lens case having such a configuration can be applied to either a hard or soft intraocular lens.
- the intraocular lens case set forth in claim 3 of the present invention When the holding part for holding the optical part of the soft lens is provided on each of the two parts of the mounting table, the opposing surfaces of the two parts of the mounting table approach each other. By pinching both sides of the split groove of the board so as to make it fit, the board is sandwiched between the clip pieces provided in the two portions of the mounting table. The optical part of the soft intraocular lens is folded in two.
- the intraocular lens case according to claim 4 of the present invention is characterized in that when the optical part of the soft intraocular lens is bent in two, the two parts of the mounting table The optical part can be made to protrude from the gap between the two parts of the mounting table, so that the optical part sticks to the opposite surface of the two parts of the mounting table. Can be prevented.
- the intraocular lens case of claim 5 of the scope of the present invention is directed to the fact that the substrate is deformed so that the opposing surfaces of the two parts of the mounting table approach each other. It can have deformation prevention means to prevent it.
- the intraocular lens case according to claim 6 of the present invention is a projection in which the deformation preventing means is provided on one of the guide plate and the upper plate.
- the projecting portion can engage with the split groove. In this case, since there is an extruded object in the split groove, it is not possible to approach the opposing surfaces of the two portions of the mounting table to each other. It can be applied to a case for a hard intraocular lens.
- the intraocular lens case according to claim 7 of the present invention is arranged such that the annular projection of the lid is connected to the base of the lid via a weak connecting means.
- the opening direction of the lid is set to the direction of tightening the lid
- the lid is rotated by a predetermined angle or more in the tightening direction
- the annular projection is left on the substrate.
- the base separates.
- the ring-shaped projections left on the substrate It can be applied to a case for a hard intraocular lens because it prevents the opposite sides of the two parts of the table from approaching each other. '
- the intraocular lens case according to claim 8 of the present invention is such that the annular projection of the lid is connected to the base of the lid via a weak connecting means.
- the lid can be removed without the annular projection and the base being separated from each other. For this reason, since the opposing surfaces of the two parts of the mounting table can be approached to each other, it can be applied to a case for a soft intraocular lens.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2001/004730 WO2002098327A1 (fr) | 2001-06-05 | 2001-06-05 | Boitier d'implant oculaire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2001/004730 WO2002098327A1 (fr) | 2001-06-05 | 2001-06-05 | Boitier d'implant oculaire |
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WO2002098327A1 true WO2002098327A1 (fr) | 2002-12-12 |
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PCT/JP2001/004730 WO2002098327A1 (fr) | 2001-06-05 | 2001-06-05 | Boitier d'implant oculaire |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7281699B2 (en) | 2003-12-29 | 2007-10-16 | Bausch & Lomb Incorporated | Universal accommodating IOL holder for lens processing and packaging |
US7311194B2 (en) | 2003-12-29 | 2007-12-25 | Bausch & Lomb Incorporated | Lens mounting fixture for accommodating IOL |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5100410A (en) * | 1991-01-28 | 1992-03-31 | Andrew Tool Co., Inc. | Means and method for facilitating folding of an intraocular lens |
US5281227A (en) * | 1992-11-09 | 1994-01-25 | Allergan, Inc. | Lens case with IOL folding device |
WO2001003611A1 (fr) * | 1999-07-12 | 2001-01-18 | Hoya Healthcare Corporation | Dispositif de pliage de cristallin artificiel souple et recipient de stockage |
-
2001
- 2001-06-05 WO PCT/JP2001/004730 patent/WO2002098327A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5100410A (en) * | 1991-01-28 | 1992-03-31 | Andrew Tool Co., Inc. | Means and method for facilitating folding of an intraocular lens |
US5281227A (en) * | 1992-11-09 | 1994-01-25 | Allergan, Inc. | Lens case with IOL folding device |
WO2001003611A1 (fr) * | 1999-07-12 | 2001-01-18 | Hoya Healthcare Corporation | Dispositif de pliage de cristallin artificiel souple et recipient de stockage |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7281699B2 (en) | 2003-12-29 | 2007-10-16 | Bausch & Lomb Incorporated | Universal accommodating IOL holder for lens processing and packaging |
US7311194B2 (en) | 2003-12-29 | 2007-12-25 | Bausch & Lomb Incorporated | Lens mounting fixture for accommodating IOL |
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