CN213406439U

CN213406439U - Artificial lens not easy to stick and climb

Info

Publication number: CN213406439U
Application number: CN202020708741.6U
Authority: CN
Inventors: 卢英华; 李韶华; 卢伙贵; 陈良全; 张正泓
Original assignee: Xiamen Jinghua Shikang Medical Equipment Co ltd
Current assignee: Xiamen Jinghua Shikang Medical Equipment Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-06-11
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to the field of artificial lenses, in particular to an artificial lens which is not easy to stick and climb. Including the lens with play supporting role to the lens support and climb, the root and the lens fixed connection that support and climb are central symmetry distribution along the edge of lens between the support and climb, the support is climbed and is provided with a plurality of portions of bending, smooth transition between the portion of bending, the angle of bending of the portion of bending is the acute angle, the tip that supports and climb evenly is provided with the arch that reduces support and climb and lens area of contact. The utility model can reduce the possibility of adhesion between the support bar and the crystalline lens when implanting by arranging the bulge or the groove on the support bar, and reduce the difficulty of the intraocular lens implantation operation.

Description

Artificial lens not easy to stick and climb

Technical Field

The utility model relates to the field of artificial lenses, in particular to an artificial lens which is not easy to stick and climb.

Background

The artificial lens is a special lens made of artificial synthetic materials, and the components of the artificial lens comprise silica gel, polymethyl methacrylate, hydrogel and the like. The artificial lens has the shape similar to the lens of human eyes, and has the characteristics of light weight, high optical performance, no antigenicity, inflammation, carcinogenicity, biodegradability and the like. After cataract operation, the turbid crystalline lens is removed, and the artificial crystalline lens is implanted into the eye to replace the original crystalline lens, so that the external objects are focused and imaged on the retina, and the surrounding scenery can be seen clearly.

In the process of implanting the artificial lens, the artificial lens needs to be curled, put into an injector and pushed by an injector push rod, enters a fine pipeline and enters a lens capsular bag, and then needs to climb to be naturally unfolded, so that the implantation of the artificial lens is completed. Because intraocular lens's material is generally all softer, and when implanting at every turn, the people operate the manual method and differ, and different intraocular lenses are not of uniform size, and different injector pipes are not of uniform size, and the curling intraocular lens mode is not of uniform size, and intraocular lens curls the back and to the time length of implanting differ the scheduling problem for after intraocular lens implanted, lead to easily climb and glue together with other parts of crystal, difficult expansion, it is troublesome to increase the operation.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides an intraocular lens with less adhesion to the eye, which is used to solve the problem that the intraocular lens is likely to adhere to the eye when implanted.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a difficult artifical lens that glues and climb, includes the crystalline lens and climbs to the support that the crystalline lens plays supporting role, support root and crystalline lens fixed connection of climbing, the quantity that supports the climbing is two, and is central symmetric distribution along the edge of crystalline lens between two supports the climbing, support and climb and be provided with a plurality of portions of bending, smooth transition between the portion of bending, the angle of bending of the portion of bending is the acute angle, the tip that supports the climbing evenly is provided with the arch that reduces support climbing and crystalline lens area of contact.

Further, the end part of the supporting flap is provided with a groove for reducing the contact area of the supporting flap and the crystalline lens. Furthermore, the shape of the bulge and the groove arranged at the end part of the support flap is cuboid.

Further, the range of the supporting flap top extending to the root thereof by 2mm is the range of the arrangement of the bulge or the groove.

Further, the support climbs and goes up bellied height and be 5um-50um, and its interval of arranging is interval 30um-100um, the support climbs the degree of depth of going up the recess and is 5um-50um, and its interval of arranging is interval 30um-100 um.

Further, support and climb the inside extension 2 mm's of tip within range and be provided with cylindrical protrusion or cylindrical recess, cylindrical protruding height is 5um-50um, or cylindrical recess's degree of depth is 5um-50um, adjacent 3 the line of center of cylindrical protrusion or cylindrical recess is isosceles triangle, and the length of a side of such isosceles triangle is 30um-100 um.

Further, support and climb the inside extension 2 mm's of tip within range and be provided with cylindrical protrusion or cylindrical recess, cylindrical protrusion's height is 5um-50um, or cylindrical recess's degree of depth is 5um-50um, adjacent 4 the line of center of cylindrical protrusion or cylindrical recess is the square, and the length of a side of square is 30um-100 um.

Furthermore, connecting lines between the centers of the adjacent grooves and the bulges arranged on the end parts of the supporting climbers are isosceles triangles, squares and circles.

The utility model has the advantages that: the groove or the protrusion is added at the end part of the support flap, so that the contact area between the support flap and the crystalline lens can be reduced, a gap can be reserved between the contact surfaces of the support flap and the crystalline lens, the support flap and the crystalline lens can be separated easily when being implanted, the intraocular body fluid can be well stored in the gap or the groove between the two protrusions, and the intraocular body fluid can help the support flap and the crystalline lens to be separated from each other, so that the possibility of adhesion is reduced.

Drawings

Fig. 1 is a schematic perspective view of a support flap of embodiment 1 of the present invention provided with a cuboid projection.

Fig. 2 is a schematic perspective view of a support flap of embodiment 1 of the present invention with a rectangular parallelepiped groove.

Fig. 3 is a schematic perspective view of the triangular array of cylindrical protrusions on the support bar according to embodiment 2 of the present invention.

Fig. 4 is a schematic perspective view of a triangular array cylindrical groove on a support bar according to embodiment 2 of the present invention.

Fig. 5 is a schematic perspective view of a square array of cylindrical protrusions on a support bar according to embodiment 3 of the present invention.

Fig. 6 is a schematic perspective view of a square array cylindrical groove on a support bar according to embodiment 3 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: lens 1, support flap 2, rectangle protrusion 3, rectangle recess 4, cylindrical protrusion 5, cylindrical recess 6, second cylindrical protrusion 7, second cylindrical recess 8.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The specific implementation process is as follows

Example 1: as shown in figures 1 and 2, the main structure of the artificial lens 1 which is not easy to stick and climb is a lens 1, a supporting climb 2 and a bulge or a groove arranged on the supporting climb 2, the shape of the lens 1 is matched with the part of the human eye, the lens 1 and the supporting climb 2 both have flexibility, the soft material can enable the lens 1 and the supporting climb 2 to be tightly attached to the eyeball, the rejection and the uncomfortable feeling of the patient are relieved, and the flexibility of the supporting climb 2 is smaller than that of the lens 1, so that the lens 1 can be better supported. Support and climb and be equipped with a plurality of portions of bending on 2, the angle of bending of the portion of bending all is the acute angle, and each is smooth transition between the portion of bending, sets up the aim at of the portion of bending, when crystalline lens 1 implants, conveniently sews up and implants.

Evenly be provided with cuboid arch 3 or cuboid recess 4 to the within range of tail end extension 2mm at the front end that supports to climb 2, set up the protruding 3 and cuboid recess 4's of cuboid aim at, reduce the area of contact between support and climb 2 and the crystalline lens 1, make and support and climb difficult laminating between 2 and the crystalline lens 1, or expand easily after the laminating, and can store the liquid medicine when planting or be the intraocular body fluid in the gap between adjacent cuboid arch 3 or cuboid recess 4, liquid medicine or intraocular body fluid are to the process of scattering all around gradually, help supporting to climb and separate between 2 and the crystalline lens 1. And the height of the cuboid projection 3 on the support scale 2 or the depth of the cuboid groove 4 is 5um-50um, the distance between the arrangement of the cuboid projection and the cuboid groove is 30um-100um, the arrangement of the cuboid projection and the cuboid groove can ensure that the stress of the eyeball fitting part is uniform, and the possibility of discomfort after the operation of a patient is reduced.

Example 2: as shown in FIGS. 3 and 4, an intraocular lens 1 which is not easily adhered to the head, example 2 is different from example 1 in that cylindrical projections 5 or cylindrical grooves 6 are provided on the supporting head 2 of example 2, and the cylindrical projections 5 and the cylindrical grooves 6 are arranged such that the line connecting the centers of 3 adjacent cylindrical projections 5 and cylindrical grooves 6 is an isosceles triangle. The effect is the same as that of the embodiment 1, the contact surface between the support scale 2 and the crystalline lens 1 is reduced, the possibility of adhesion is reduced, the height of the cylindrical protrusion 5 or the depth of the cylindrical groove 6 is 5um-50um, and the side length of the isosceles triangle is 30um-100 um.

Example 3: as shown in FIGS. 5 and 6, an intraocular lens 1 which is not easily adhered and has no tendency to be easily adhered and has a difference from example 1 in that a second cylindrical projection 7 or a second cylindrical groove 8 is provided in a support flap 2 of example 3, and the second cylindrical projection 7 and the second cylindrical groove 8 are arranged in such a manner that a line connecting centers of 4 adjacent second cylindrical projections 7 and second cylindrical grooves 8 is a square. The effect is the same as that of example 1, the contact surface between the support bar 2 and the lens 1 is reduced, the possibility of adhesion is reduced, the height of the second cylindrical projection 7 or the depth of the second cylindrical groove 8 is 5um-50um, and the side length of the square is 30um-100 um.

Preferably, the protrusions and the grooves on the support flap 2 can also be other cylinders, such as a rhombus column and a circular truncated cone, and the connecting lines of the centers of a plurality of adjacent protrusions and grooves can also be trapezoidal, circular and the like.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. An intraocular lens comprising a lens and a support flap for supporting the lens, the intraocular lens comprising: the root of the support climber is fixedly connected with the crystalline lens, the support climber is distributed along the edge of the crystalline lens in a central symmetry mode, the support climber is provided with a plurality of bending portions, the bending portions are in smooth transition, the bending angle of each bending portion is an acute angle, and the end portion of the support climber is evenly provided with protrusions for reducing the contact area between the support climber and the crystalline lens.

2. The non-Pan-prone intraocular lens of claim 1 wherein: the end part of the supporting flap is provided with a groove for reducing the contact area of the supporting flap and the crystalline lens.

3. The non-Pan-prone intraocular lens of claim 2 wherein: the shape of the bulge and the groove arranged at the end part of the supporting climb is cuboid.

4. The non-Pan-prone intraocular lens of claim 3 wherein: the range of the supporting climbing part extending 2mm from the top end to the root part is the range of the arrangement of the bulge or the groove.

5. The non-Pan-prone intraocular lens of claim 4 wherein: the bellied height of climbing for 5um-50um, the interval that its was arranged is 30um-100um, the support climbs the degree of depth of going up the recess and is 5um-50um, and the interval that its was arranged is 30um-100 um.

6. The non-Pan-prone intraocular lens of claim 1 wherein: support and climb and be provided with cylindrical arch or cylindrical recess in the scope of 2mm of tip internal extension, cylindrical bellied height be 5um-50um, or cylindrical recess's degree of depth be 5um-50um, adjacent 3 the line of center of cylindrical arch or cylindrical recess is isosceles triangle, and the length of a side of this isosceles triangle is 30um-100 um.

7. The non-Pan-prone intraocular lens of claim 1 wherein: support and climb and be provided with cylindrical protrusion or cylindrical recess in the scope of 2mm of tip internal extension, cylindrical protruding height is 5um-50um, or cylindrical recess's degree of depth is 5um-50um, adjacent 4 the line of center of cylindrical protrusion or cylindrical recess is the square, and the length of a side of square is 30um-100 um.

8. The non-Pan-prone intraocular lens of claim 2 wherein: the connecting lines between the centers of the adjacent grooves and the bulges arranged on the end parts of the supporting climbers are isosceles triangles, squares and circles.