CN209301398U - A kind of artificial lens - Google Patents
A kind of artificial lens Download PDFInfo
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- CN209301398U CN209301398U CN201821416208.1U CN201821416208U CN209301398U CN 209301398 U CN209301398 U CN 209301398U CN 201821416208 U CN201821416208 U CN 201821416208U CN 209301398 U CN209301398 U CN 209301398U
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- Prior art keywords
- capsular
- optics area
- artificial lens
- adhesion structure
- capsular adhesion
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- 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
- A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
Abstract
The utility model relates to the field of medical instrument technology, more particularly to a kind of artificial lens, including crystal bulk, the crystal bulk includes optics area (1) and button loop (2), it is characterized in that, the artificial lens further includes the anti-capsular adhesion structure (3) being arranged other than optics area (1) edge, two end faces of the anti-capsular adhesion structure (3) are contacted with anterior capsule and Lens capsular respectively, the anti-capsular adhesion structure (3) is an integral molding structure with the crystal bulk, two end faces of the optics area (1) are without departing from two end faces of the anti-capsular adhesion structure (3).A kind of artificial lens provided by the utility model, reasonable structure design can prevent crystal bulk from directly contacting with front and back cyst membrane, have the function of that aqueous humor is promoted to circulate in pouch simultaneously, postoperative PCO and ACO can thus be effectively prevent, and can effectively simplify surgical procedure, substantially reduce postoperative complications probability of happening.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of artificial lens.
Background technique
After artificial lens is implanted into human eye, common complication is postoperative posterior capsule opacification (posterior capsule
Opacification, abbreviation PCO), it is anterior capsule muddy (anterior capsule opacifieation, abbreviation ACO), preceding
Cyst membrane contracture, essential reason are all that lens epithelial cells remaining in cataract operation (LEC) proliferation causes.
It prevents from being that crystal optics area rear surface edge is made into sharp keen folder by the way of postoperative PCO using most at present
Angle.Crystal optics area rear surface is fitted closely with Lens capsular.In optics area edge angle, Lens capsular bends shrinkage, thus
The part migration proliferation that retardance LEC cell is contacted to optics area with Lens capsular, to prevent the generation of PCO.Although behind optics area
Marginal surface is made into the generation that the such design of sharp keen angle greatly reduces PCO, but it is poor to the prevention effect of ACO,
And PCO still has certain incidence, especially for the crystal of 3 years or more implantation phases.Crystal currently on the market is adopted more
The generation of PCO is reduced with sharp keen angle, also achieves certain clinical effectiveness, but long-term PCO incidence is still higher, need to lead to
New crystal design is crossed to further decrease.
It is found according to the newest mechanism about PCO: aqueous humor circulation, the adhesion for preventing pouch front and back cyst membrane, crystalline substance in eyes
The generation of PCO can be effectively prevented in the adhesion of body and front and back cyst membrane.According to this discovery, there is following design concept to occur.
One, such as document Toshiyuki Nagamoto, MD；Nobushige Tanaka,MD；Takaaki Fujiwara,
MD.Inhibition of Posterior Capsule Opacification by a Capsular Adhesion–
Preventing Ring.Arch Ophthalmol.2009；127 (4): anti-capsular adhesion ring disclosed in 471-474.
Anti- 1 ' structure of capsular adhesion ring is highly the thin-wall construction of 2.0mm, thin as shown in Figure 1, a diameter of 8.5mm
Wall be equipped with aqueous humor can free flow aperture 2 ' (hole), and the part of top edge (being contacted with anterior capsule) be equipped with opening 3 '
(groove) placement for crystal button loop 4 '.
During surgery, doctor is first that patient is implanted into the anti-capsular adhesion ring 1 ', after being in place, then it is existing for patient's implantation
Artificial lens, artificial lens is sticked into/is put into the ring, forms structure as shown in Figure 2, pouch is supported by the ring, thus capsule
The forward and backward cyst membrane separation of bag, no longer sticks together, while cyst membrane also no longer sticks together with crystal optics face.Aqueous humor can be into
Enter the generation that crystal optics face region prevents PCO.It, can also be meanwhile by the aperture 2 ' on the ring, it can be achieved that the exchange of aqueous humor
4th ' area of crystal button loop form aqueous humor environment.Between crystal optics part and ring formed a gap, may be implemented aqueous humor exchange and
Filling.
But the product has the following problems:
1. the anti-capsular adhesion ring of and the crystal product that be respectively two different, surgical procedure is complicated, is not easy to be implanted into；
It is extremely difficult 2. the button loop of crystal is properly placed the opening of anti-capsular adhesion ring by within the eye, and is fixed
's；
3. is since the design that crystal is fastened with a rope, string, etc. is varied, so different crystal needs different openings to design, do not have logical
The property used；
4. the anti-capsular adhesion ring of lacks support within the eye, the possibility that can be offset.
Two, such as document Lisa Leishman, MD, Liliana Werner, MD, PhD.Prevention of
capsular bag opacification with a modified hydrophilic acrylic disk-shaped
intraocular lens.J Cataract Refract Surg 2012；Plate-shaped crystal disclosed in 38:1664-1670.
For 5 ' structure of plate-shaped crystal as shown in figure 3, middle section is crystal optics area 6 ', peripheral part is 4th ' area of crystal button loop
Domain.Wherein fasten with a rope, string, etc. 4 ' outer is one complete round.There is the channel 7 ' of some perforations at 4 ' edges of button loop inside, these channels 7 ' can
To realize aqueous humor free flow.4 ' outers of button loop are thicker, may be implemented to separate front and back cyst membrane.Through-hole on button loop 4 ' is, it can be achieved that room
Circulation of the water in the forward and backward face of crystal (button loop area and optics area).To realize the generation for preventing postoperative PCO.
There are the following problems for the product: crystal edge is complete circle, having a size of 9.5mm.Human eye capsular bag rim is circle
Shape, and there are biggish differences between individual.When crystal diameter is greater than cyst membrane edge diameter, the crystal at complete circle edge is not
It can be compressed, then be unsuitable for being implanted into；When crystal diameter is less than cyst membrane edge diameter, crystal lacks support within the eye, then can go out
Existing eccentric or displacement, has the risk for making image quality be deteriorated.
Therefore, how existing artificial lens is improved, make its overcome drawbacks described above be those skilled in the art urgently
A problem to be solved.
Utility model content
In view of the above-mentioned state of the art, the technical problem to be solved by the utility model is to provide a kind of artificial crystalline substances
Body, it is reasonable in design, it is versatile, and can effectively simplify surgical procedure, the probability of postoperative complication generation can be substantially reduced.
Technical solution adopted by the utility model to solve the above technical problems is as follows:
A kind of artificial lens, including crystal bulk, the crystal bulk include optics area and button loop, and the artificial lens also wraps
Include the anti-capsular adhesion structure being arranged in other than the optics area edge, two end faces of the anti-capsular adhesion structure respectively with
Anterior capsule and Lens capsular contact, the anti-capsular adhesion structure are an integral molding structure with the crystal bulk, the optics area
Two end faces without departing from two end faces of the anti-capsular adhesion structure.
Specifically, anti-capsular adhesion structure is structure as a whole with the button loop of the artificial lens and optics area, and when operation is direct
Artificial lens is implanted into human eye, simplifies surgical procedure, meanwhile, crystal button loop provides enough support forces, avoids anti-
Capsular adhesion structure leads to the eccentric risk shifted due to lacking support within the eye；Two end faces in the optics area without departing from
Two end faces of the anti-capsular adhesion structure, the i.e. thickness in optics area are no more than the height of anti-capsular adhesion structure highest point,
Optics area suspends, hiding is contained in anti-capsular adhesion structure, and two end faces in optics area do not contact or not with anterior capsule and Lens capsular
Fitting completely makes crystal optics area suspend or be partially suspended in pouch, significantly reduces the probability of postoperative complications generation.
Preferably, it is provided on the wall of the anti-capsular adhesion structure for aqueous humor free flow through structure, through knot
Structure can be in addition through-hole, slot or other engraved structures can also reduce anti-cyst membrane and glue to realize circulation exchange of the aqueous humor in pouch
The volume for linking structure, saves raw material, and enhance the compressibility energy of artificial lens, is easy to fold, implantation is injected.
Preferably, the outer wall of the anti-capsular adhesion structure and/or the intermediate position of inner wall are recessed inwardly with optical axis in one
Fixed angle, i.e., the cross section of anti-capsular adhesion structure is the wide shape in intermediate narrow both ends, tiny in order to pass through convenient for folding
Notch is implanted into human eye.
Preferably, 0 ° -45 ° be the angle ranging from, when angle be 0 ° when, the outer wall and/or inner wall of anti-capsular adhesion structure with
Optical axis is parallel, and when angle is greater than 45 °, two end faces up and down of anti-capsular adhesion structure are too wide, are not easy to fold instead.Work as angle
When degree is greater than 0 ° less than 45 °, the cross section of anti-capsular adhesion structure is the wide shape in intermediate narrow both ends, convenient for folding, in order to
Human eye is implanted by fine incision.
Preferably, the end of the button loop is pierced by from the anti-capsular adhesion structure, is fastened with a rope, string, etc. still compressible, be may conform to different rulers
Very little pupil size, it is versatile.
Preferably, the anti-capsular adhesion structure is integrated with the optics area and the button loop outside the optics area
Molding circular ring structure is not susceptible to rotation, bias after being implanted into human eye, securely and reliably.
Specifically, the button loop is C-shaped button loop, L shape button loop, triangle button loop, plate when the anti-capsular adhesion structure is circular ring structure
The button loop of shape button loop or other shapes, preferably C-shaped button loop, L shape button loop.
Preferably, multiple interconnecting pieces are arranged in molding between the anti-capsular adhesion structure and the optics area of circular ring structure
Part, the anti-capsular adhesion structure for being implanted into circular ring structure after human eye are not easy the relatively described optics area and rotate, is eccentric, safety
Reliably.
Preferably, the part that Lens capsular is supported in the anti-capsular adhesion structure is complete annular, the anti-capsular adhesion
The part that anterior capsule is supported in structure is complete annular or interruption annular, and interruption annular is more advantageous to the implantation of crystal, and aqueous humor can
It is flowed freely by the barbed portion of interruption annular.
Preferably, the anti-capsular adhesion structure is the lug boss being fixed on the button loop, compact structure and easy to use.
Specifically, the button loop is C-shaped button loop, L shape button loop, triangle button loop, plate shape when the anti-capsular adhesion structure is lug boss
The button loop of button loop or other shapes, preferably triangle are fastened with a rope, string, etc..
Preferably, the lug boss being equidistant to the optics district center on each button loop, i.e., at lug boss
In on same annulus, and since multiple buttons loop in optics area edge are mean allocations, lug boss is also average on button loop
Distribution, using such technical solution, multiple lug boss stress equalizations, artificial lens is less susceptible to occur eccentric.
Preferably, the anti-capsular adhesion structure is the incline structure between the optics area and the button loop.
Specifically, when the anti-capsular adhesion structure be incline structure when, it is described button loop be C-shaped button loop, L shape button loop, triangle button loop,
The button loop of plate shape button loop or other shapes, preferably plate shape are fastened with a rope, string, etc..
Preferably, the incline structure includes support front end face, support rear end face and the connection support front end face and institute
Introversion inclined-plane, the flare inclined-plane of support rear end face are stated, the optics area is connect with the introversion inclined-plane, the button loop and the flare
Inclined-plane connection.
Specifically, the support front end face is located at the outside of optics area front end face, the support rear end face is located at institute
State the outside of optics area rear end face, i.e., two end faces in the described optics area the support front end face and the support rear end face it
Between.The outer diameter of the support front end face is less than the outer diameter of the support rear end face.
Preferably, described to support the rear end face of rear end face and the button loop in the same plane.The tilted face includes interior
Top incline and interior bottom incline, the interior bottom incline is parallel with the flare inclined-plane, the interior top incline and the light
School district centerline axis parallel or intersection.The front end of the interior top incline is connected with the support front end face, the interior upper inclination
The rear end in face is connected with optics area front end face, and the front end of the interior bottom incline is connected with optics area rear end face, institute
The rear end for stating interior bottom incline is connected with the support rear end face.When the interior top incline and the optics district center axis phase
When friendship, the distance of front end to the optics district center axis of the interior top incline is greater than the interior top incline rear end to institute
State the distance of optics district center axis.
Preferably, the support front end face is that plane or intersecting lens refer to branch when the support front end face is intersecting lens
Support the intersecting lens that front end face is the introversion inclined-plane and the flare inclined-plane.
Preferably, the edge for the part that the anti-capsular adhesion structure is contacted with anterior capsule and Lens capsular is in sharp keen angle
Structure.Lens capsular bends shrinkage at sharp keen angled arrangement, to block LEC cell to anti-capsular adhesion structure with after
The part of cyst membrane contact migrates proliferation, more effectively prevents the generation of postoperative PCO.
Preferably, the diameter in the optics area is 5.5-6.0mm, and the anti-capsular adhesion structure is located at the optics area
In the region that center is 2.25-5.0mm to outer radius.
Preferably, the optics area edge is with a thickness of 0.1-0.3mm, the anti-capsular adhesion structure with a thickness of 0.5-
2.5mm。
Using the technical solution of the utility model, compared with prior art, have the following beneficial effects:
A kind of artificial lens of the utility model is provided with anti-capsular adhesion structure, and anti-capsular adhesion structure and crystal
Ontology is an integral molding structure, and optics area is suspended in pouch, can be integrally implanted into intraocular lens system when operation, be avoided existing
Have in technology first by after the implantation in place of anti-capsular adhesion structure, replant the complex process into artificial lens, simplify surgical procedure,
Meanwhile it avoiding anti-capsular adhesion structure and lacking the risk that support causes bias to shift within the eye；It can make artificial lens
Fixed button loop within the eye still can compress, versatile to meet various sizes of pupil size；Anti- capsular adhesion structure
Edge is sharp keen angled edge, and is provided with for aqueous humor free flow through structure, and postoperative PCO and ACO can be effectively prevent
Etc. complication generation, it is safe and reliable；The cross section of anti-capsular adhesion structure can be the wide shape in intermediate narrow both ends, this
The folding and implantation that special designing is conducive to the component and crystal intraocularly, can reduce injector bore used in implantation as far as possible.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of anti-capsular adhesion ring in the prior art.
Fig. 2 is anti-capsular adhesion ring use state diagram in Fig. 1.
Fig. 3 is the structural schematic diagram of plate-shaped crystal in the prior art.
Fig. 4 is the structural schematic diagram of embodiment one in the utility model.
Fig. 5 is the structural schematic diagram at another visual angle of embodiment one in the utility model.
Fig. 6 is the structural schematic diagram of embodiment two in the utility model.
Fig. 7 is the structural schematic diagram at another visual angle of embodiment two in the utility model.
Fig. 8 is the structural schematic diagram of embodiment three in the utility model.
Fig. 9 is the structural schematic diagram at another visual angle of embodiment three in the utility model.
Figure 10 is the structural schematic diagram of example IV in the utility model.
Figure 11 is the structural schematic diagram at another visual angle of example IV in the utility model.
Figure 12 is the structural schematic diagram of embodiment five in the utility model.
Figure 13 is the structural schematic diagram at another visual angle of embodiment five in the utility model.
Wherein, in the prior art, anti-capsular adhesion ring 1 ', aperture 2 ', opening 3 ', button loop 4 ', plate-shaped crystal 5 ', crystal optics
Area 6 ', channel 7 '.
In the utility model, optics area 1, button loop 2, anti-capsular adhesion structure 3, through structure 4, connecting component 5 supports front end
Face 31 supports rear end face 32, introversion inclined-plane 33, flare inclined-plane 34, interior top incline 331, interior bottom incline 332.
Specific embodiment
By make the structure feature to the utility model and the effect of being reached have it is further understand and understanding, to compared with
Good examples and drawings cooperate detailed description, are described as follows:
Embodiment one:
As shown in figure 4, a kind of artificial lens, including crystal bulk, crystal bulk includes optics area 1 and button loop 2, as this reality
With novel improvement, artificial lens further includes the anti-capsular adhesion structure 3 being arranged in other than 1 edge of optics area, anti-capsular adhesion
Two end faces of structure 3 are contacted with anterior capsule and Lens capsular respectively, and anti-capsular adhesion structure 3 and crystal bulk are integrally formed knot
Structure, two end faces in optics area 1 are without departing from two end faces of anti-capsular adhesion structure 3.
In this present embodiment, button loop 2 for C-shaped fasten with a rope, string, etc., anti-capsular adhesion structure 3 be outside optics area 1 with optics area 1 and button loop
2 integrally formed circular ring structures, the anti-capsular adhesion structure 3 of circular ring shape are molded directly on button loop 2, fasten with a rope, string, etc. 2 end it is viscous from anti-cyst membrane
It is pierced by connection structure 3.The end of button loop 2 is still compressible and is unfolded, and may conform to various sizes of pupil size, artificial lens versatility
By force.
In this present embodiment, running through in pouch free flow is provided with for aqueous humor on the wall of anti-capsular adhesion structure 3
Structure 4.The part that Lens capsular is supported in the anti-capsular adhesion structure 3 of circular ring shape is complete annular, is propped up in anti-capsular adhesion structure 3
The part for supportting anterior capsule is interruption annular, as shown in figure 4, the notch of interruption annular can be used as through structure, interruption annular is more
Be conducive to the folding of anti-capsular adhesion structure 3, convenient for the implantation of crystal, aqueous humor can pass through the barbed portion free flow of interruption annular
It is dynamic.Meanwhile being arranged in anti-capsular adhesion structure 3 and saving raw material through structure.It should be noted that anti-capsule in Fig. 4
It is filled using shade partial region in film coalescence structure 3, it is only for non-in anti-capsular adhesion structure convenient for distinguishing
Barbed portion (shade filling region) and barbed portion, and not indicate shade filling region and be not filled by the material in region not
Together, also without other meanings.
In other embodiments, it is complete annular that the part of Lens capsular is supported in the anti-capsular adhesion structure 3 of circular ring shape, is prevented
It is also complete annular that the part of anterior capsule is supported in capsular adhesion structure 3, can be opened up on the wall of anti-capsular adhesion structure 3 at this time
Through-hole or other engraved structures are as aqueous humor, free flow runs through structure in pouch.
In this present embodiment, as shown in figure 4, forming setting between the anti-capsular adhesion structure 3 of circular ring structure and optics area 1
Multiple connecting components 5, multiple connecting components are evenly arranged, i.e., the anti-capsular adhesion structure 3 of circular ring shape not only directly connects with button loop 2
It connects, is also connect by connecting component 5 with optics area, the anti-capsular adhesion structure 3 of circular ring structure is not easy light relatively after implantation human eye
School district 1 rotates, is eccentric, securely and reliably.
In other embodiments, the anti-capsular adhesion structure 3 of circular ring shape is only connect with button loop 2, without contacting with optics area 1.
In this present embodiment, as shown in figure 5, the outer wall of anti-capsular adhesion structure 3 and the intermediate position of inner wall are recessed inwardly
At an angle with optical axis, which is 0 ° -45 °, when the angle is greater than 0 °, i.e., the cross section of anti-capsular adhesion structure 3
For the wide shape in intermediate narrow both ends, folded convenient for anti-capsular adhesion structure 3, in order to be implanted into human eye by fine incision.Work as angle
When degree is greater than 45 °, two end faces up and down of anti-capsular adhesion structure 3 are too wide, are not easy to fold instead.It is less than when angle is greater than 0 °
At 45 °, the cross section of anti-capsular adhesion structure is the wide shape in intermediate narrow both ends, convenient for folding, in order to pass through fine incision
It is implanted into human eye.It is worth noting that when the outer wall and inner wall of anti-capsular adhesion structure 3 and optical axis angle are 0 °, i.e. outer wall and interior
Wall is smooth not to be recessed inwardly.
In other embodiments, the outer wall of anti-capsular adhesion structure 3 is recessed inwardly and inner wall is smooth or anti-capsular adhesion
The outer wall of structure 3 is smooth and inner wall is recessed inwardly.
In this present embodiment, the edge for the part that anti-capsular adhesion structure 3 is contacted with anterior capsule and Lens capsular is in sharp keen
Angled arrangement more effectively prevents the generation of postoperative PCO.
In this present embodiment, the diameter in optics area 1 is 5.5mm -6.0mm, and anti-capsular adhesion structure 3 is located in optics area 1
In the region that the heart is 2.25mm -5.0mm to outer radius.1 edge thickness of optics area is 0.1-0.3mm, anti-capsular adhesion structure 3
With a thickness of 0.5-2.5mm.
Anti- capsular adhesion structure 3 is structure as a whole with the button loop 2 of artificial lens and optics area 1, directly will be artificial brilliant when operation
Body is implanted into human eye, simplifies surgical procedure, meanwhile, crystal button loop 2 provides enough support forces, avoids anti-capsular adhesion
Structure 3 leads to the eccentric risk shifted due to lacking support within the eye；Two end faces in optics area 1 are without departing from anti-capsular adhesion
Two end faces of structure 3, the i.e. thickness in optics area 1 be no more than anti-3 highest point of capsular adhesion structure height, optics area 1 suspend,
Hiding is contained in anti-capsular adhesion structure 3, and two end faces in optics area 1 do not contact with anterior capsule and Lens capsular or are not exclusively bonded,
Crystal optics area 1 is set to suspend or be partially suspended in pouch, moreover, being provided with can promote aqueous humor to flow through structure, greatly
Reduce the probability of the complication such as postoperative PCO and ACO generation.
Embodiment two:
As shown in FIG. 6 and 7, a kind of artificial lens, including crystal bulk, crystal bulk include optics area 1 and button loop 2, are made
For the improvement of the utility model, artificial lens further includes the anti-capsular adhesion structure 3 being arranged in other than 1 edge of optics area, anti-capsule
Two end faces of film coalescence structure 3 are contacted with anterior capsule and Lens capsular respectively, and anti-capsular adhesion structure 3 is integrated with crystal bulk
Molding structure, two end faces in optics area 1 are without departing from two end faces of anti-capsular adhesion structure 3.
In this present embodiment, button loop 2 is fastened with a rope, string, etc. for triangle, and anti-capsular adhesion structure 3 is the lug boss being fixed on button loop 2, protrusion
Portion is molded directly on button loop 2, and 2 end of fastening with a rope, string, etc. is pierced by from anti-capsular adhesion structure 3.The end of button loop 2 is still compressible and is unfolded, can
Meet various sizes of pupil size, artificial lens is versatile.It is each button loop 2 on lug boss to 1 center of optics area distance
Equal, i.e., lug boss is on same annulus, and since multiple buttons loop 2 at 1 edge of optics area are mean allocations, protrusion
Portion is also mean allocation on button loop 2, and multiple lug boss stress equalizations, artificial lens is not susceptible to bias.
In this present embodiment, non-porous or other engraved structures on the wall of anti-capsular adhesion structure 3, due to 2 arranged for interval of fastening with a rope, string, etc.
Around optics area 3, the anti-capsular adhesion structure 3 on button loop 2 is also to be spaced apart, and aqueous humor can pass through anti-capsular adhesion structure 3
Between backlash freedom circulation.
In other embodiments, passing through in pouch free flow is provided with for aqueous humor on the wall of anti-capsular adhesion structure 3
Wear structure (not shown).Through-hole is opened up on the anti-capsular adhesion structure 3 i.e. wall of lug boss or other engraved structures are used as aqueous humor
Free flow runs through structure (not shown) in pouch.The folding for being conducive to anti-capsular adhesion structure 3 through structure is set, just
In the implantation of crystal, aqueous humor can be by flowing freely through structure.Meanwhile setting runs through structure in anti-capsular adhesion structure 3
Save raw material.
In this present embodiment, as shown in fig. 7, the outer wall of anti-capsular adhesion structure 3 and the intermediate position of inner wall are recessed inwardly
At an angle with optical axis, which is 0 ° -45 °, when the angle is greater than 0 °, i.e., the cross section of anti-capsular adhesion structure 3
For the wide shape in intermediate narrow both ends, folded convenient for anti-capsular adhesion structure 3, in order to be implanted into human eye by fine incision.Work as angle
When degree is greater than 45 °, two end faces up and down of anti-capsular adhesion structure 3 are too wide, are not easy to fold instead.It is less than when angle is greater than 0 °
At 45 °, the cross section of anti-capsular adhesion structure is the wide shape in intermediate narrow both ends, convenient for folding, in order to pass through fine incision
It is implanted into human eye.It is worth noting that when the outer wall and inner wall of anti-capsular adhesion structure 3 and optical axis angle are 0 °, i.e. outer wall and interior
Wall is smooth not to be recessed inwardly.
In other embodiments, the outer wall of anti-capsular adhesion structure 3 is recessed inwardly and inner wall is smooth or anti-capsular adhesion
The outer wall of structure 3 is smooth and inner wall is recessed inwardly.
In this present embodiment, the edge for the part that anti-capsular adhesion structure 3 is contacted with anterior capsule and Lens capsular is in sharp keen
Angled arrangement more effectively prevents the generation of postoperative PCO.
In this present embodiment, the diameter in optics area 1 is 5.5mm -6.0mm, and anti-capsular adhesion structure 3 is located in optics area 1
In the region that the heart is 2.25mm -5.0mm to outer radius.1 edge thickness of optics area is 0.1-0.3mm, anti-capsular adhesion structure 3
With a thickness of 0.5-2.5mm.
Embodiment three:
As can be seen from figures 8 and 9, a kind of artificial lens, including crystal bulk, crystal bulk include optics area 1 and button loop 2, are made
For the improvement of the utility model, artificial lens further includes the anti-capsular adhesion structure 3 being arranged in other than 1 edge of optics area, anti-capsule
Two end faces of film coalescence structure 3 are contacted with anterior capsule and Lens capsular respectively, and anti-capsular adhesion structure 3 is integrated with crystal bulk
Molding structure, two end faces in optics area 1 are without departing from two end faces of anti-capsular adhesion structure 3.
In this present embodiment, button loop 2 is fastened with a rope, string, etc. for plate shape, and anti-capsular adhesion structure 3 is the inclination between optics area 1 and button loop 2
Structure.Incline structure and optics area, button loop are integrally formed.
In this present embodiment, running through in pouch free flow is provided with for aqueous humor on the wall of anti-capsular adhesion structure 3
Structure 4, is connected through structure 4 with crystal optics area, so that anti-capsular adhesion structure 3 is divided into intermittent knot through structure 4
Structure, while being connected to introversion inclined-plane 33 and flare inclined-plane 34.It is offered on the anti-capsular adhesion structure 3 i.e. wall of incline structure a plurality of logical
Slot is opened in the present embodiment on each incline structure along its length as aqueous humor, free flow runs through structure in pouch
The through slot extended on button loop 2 equipped with two, a front surface and a rear surface of connection button loop 2.Setting makes 3 quilt of anti-adhesion structure through structure
It is divided into intermittent structure, then is conducive to the folding of anti-capsular adhesion structure 3 in implantation process, convenient for the implantation of crystal, aqueous humor
It can be flowed freely by through slot.Meanwhile being arranged in anti-capsular adhesion structure 3 and saving raw material through structure.
It is multiple through-holes on the wall for be provided with anti-capsular adhesion structure 3 and on button loop through structure 4 in other embodiments
Or other engraved structures, connection introversion inclined-plane 33 and flare inclined-plane, be connected to fasten with a rope, string, etc. 2 a front surface and a rear surface.
In this present embodiment, as shown in figure 9, incline structure includes support front end face 31, support rear end face 32 and connection branch
It supports front end face 31 and supports introversion inclined-plane 33, the flare inclined-plane 34 of rear end face 32, optics area 1 connect with introversion inclined-plane, button loop 2 and outside
Inclined surface 34 connects.Support front end face 31 is located at the outside of optics area front end face, and support rear end face 32 is located at optics area rear end face
Outside, i.e., the two of optics area end face support front end face 31 and support rear end face 32 between.Support the outer diameter of front end face 31
Less than the outer diameter of support rear end face 32.
In this present embodiment, the rear end face of rear end face 32 and button loop 2 is supported in the same plane.Introversion inclined-plane 33 includes on interior
Inclined surface 331 and interior bottom incline 332, interior bottom incline 332 is parallel with flare inclined-plane 34, interior top incline 331 and optics area
Centerline axis parallel.The front end of interior top incline 331 is connected with support front end face 31, the rear end of interior top incline 331 and optics
Area's front end face is connected, and the front end of interior bottom incline 332 is connected with optics area rear end face, the rear end of interior bottom incline 332 and support
Rear end face 32 is connected.
In this present embodiment, as shown in figure 9, support front end face 31 is plane.
In this present embodiment, the diameter in optics area 1 is 5.5mm -6.0mm, and anti-capsular adhesion structure 3 is located in optics area 1
In the region that the heart is 2.25mm -5.0mm to outer radius.1 edge thickness of optics area is 0.1-0.3mm, anti-capsular adhesion structure 3
With a thickness of 0.5-2.5mm.
Example IV:
The present embodiment and the difference of embodiment three are:
In this present embodiment, as shown in Figures 10 and 11, the rear end face of rear end face 32 and button loop 2 is supported in the same plane.
Introversion inclined-plane 33 includes interior top incline 331 and interior bottom incline 332, and interior bottom incline 332 is parallel with flare inclined-plane 34, it is interior on
Inclined surface 331 is parallel with optics district center axis.The front end of interior top incline 331 is connected with support front end face 31, interior upper inclination
The rear end in face 331 is connected with optics area front end face, and the front end of interior bottom incline 332 is connected with optics area rear end face, interior lower inclination
The rear end in face 332 is connected with support rear end face 32.
In this present embodiment, support front end face 31 is intersecting lens, i.e., support front end face 31 is introversion inclined-plane 33 and outer incline
The intersecting lens in face 34.
Embodiment five:
The present embodiment and the difference of embodiment three are:
In this present embodiment, as shown in FIG. 12 and 13, the rear end face of rear end face 32 and button loop 2 is supported in the same plane.
Introversion inclined-plane 33 includes interior top incline 331 and interior bottom incline 332, and interior bottom incline 332 is parallel with flare inclined-plane 34, it is interior on
Intersect with optics district center axis inclined surface 331.The front end of interior top incline 331 is connected with support front end face 31, interior upper inclination
The rear end in face 331 is connected with optics area front end face, and the front end of interior bottom incline 332 is connected with optics area rear end face, interior lower inclination
The rear end in face 332 is connected with support rear end face 32.The distance of the front end of interior top incline 331 to optics district center axis is greater than interior
Distance of the rear end of top incline 331 to optics district center axis.I.e. there are two inclined-planes for the front setting of incline structure --- and it is interior
Top incline 331 and flare inclined-plane 34, this two inclined-plane are conducive to being bonded for anterior capsule and anti-capsular adhesion structure 3, improve people
The stability of work crystal within the eye.
In this present embodiment, support front end face 31 is plane.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of skill in the art that its according to
It can so modify to technical solution documented by previous embodiment, or part of technical characteristic is replaced on an equal basis
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (15)
1. a kind of artificial lens, including crystal bulk, the crystal bulk includes optics area (1) and button loop (2), which is characterized in that
The artificial lens further includes the anti-capsular adhesion structure (3) being arranged other than optics area (1) edge, and the anti-cyst membrane is viscous
Two end faces of connection structure (3) are contacted with anterior capsule and Lens capsular respectively, the anti-capsular adhesion structure (3) and the crystal sheet
Body is an integral molding structure, and two end faces of the optics area (1) are without departing from two ends of the anti-capsular adhesion structure (3)
Face.
2. a kind of artificial lens according to claim 1, which is characterized in that on the wall of the anti-capsular adhesion structure (3)
Be provided with for aqueous humor in pouch free flow through structure (4).
3. a kind of artificial lens according to claim 1, which is characterized in that the outer wall of the anti-capsular adhesion structure (3)
And/or the intermediate position of inner wall be recessed inwardly it is at an angle with optical axis.
4. a kind of artificial lens according to claim 3, which is characterized in that the angle ranging from 0 ° -45 °.
5. a kind of artificial lens according to claim 1, which is characterized in that the end of the button loop (2) is from the anti-cyst membrane
Adhesion structure is pierced by (3).
6. a kind of artificial lens according to any one of claims 1 to 5, which is characterized in that the anti-capsular adhesion knot
Structure (3) be positioned at the optics area (1) outside with the optics area (1) and described button loop (2) integrally formed circular ring structure.
7. a kind of artificial lens according to claim 6, which is characterized in that support in the anti-capsular adhesion structure (3)
The part of Lens capsular is complete annular, in the anti-capsular adhesion structure (3) part of support anterior capsule be complete annular or
Abscission ring shape.
8. a kind of artificial lens according to any one of claims 1 to 5, which is characterized in that the anti-capsular adhesion knot
Structure (3) is the lug boss being fixed on the button loop (2).
9. a kind of artificial lens according to claim 8, which is characterized in that the protrusion on each button loop (2)
Portion is equidistant to optics area (1) center.
10. a kind of artificial lens according to claim 1 or 2, which is characterized in that the anti-capsular adhesion structure (3) is
Incline structure between the optics area (1) and the button loop (2).
11. a kind of artificial lens according to claim 10, which is characterized in that the incline structure includes support front end face
(31), the introversion inclined-plane of rear end face (32) and connection support front end face (31) and support rear end face (32) is supported
(33), flare inclined-plane (34), the optics area (1) connect with the introversion inclined-plane, and the button loop (2) and the flare inclined-plane connect
It connects.
12. a kind of artificial lens according to claim 11, which is characterized in that the support front end face (31) be plane or
Intersecting lens.
13. a kind of artificial lens described in any one of according to claim 1~5 or 7 or 9, which is characterized in that the anti-cyst membrane
The edge for the part that adhesion structure (3) is contacted with anterior capsule and Lens capsular is in sharp keen angled arrangement.
14. a kind of artificial lens described in any one of according to claim 1~5 or 7 or 9 or 11 or 12, which is characterized in that institute
The diameter for stating optics area (1) is 5.5-6.0mm, and it is outside that the anti-capsular adhesion structure (3) is located at optics area (1) center
Radius is in the region of 2.25-5.0mm.
15. a kind of artificial lens described in any one of according to claim 1~5 or 7 or 9 or 11 or 12, which is characterized in that institute
State optics area (1) edge thickness be 0.1-0.3mm, the anti-capsular adhesion structure (3) with a thickness of 0.5-2.5mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2017107530233 | 2017-08-29 | ||
| CN201710753023 | 2017-08-29 |
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| CN209301398U true CN209301398U (en) | 2019-08-27 |
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| CN201821416208.1U Active CN209301398U (en) | 2017-08-29 | 2018-08-29 | A kind of artificial lens |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009566A (en) * | 2017-08-29 | 2018-12-18 | 东莞东阳光科研发有限公司 | A kind of artificial lens |
| CN112198577A (en) * | 2019-10-23 | 2021-01-08 | 东莞东阳光医疗智能器件研发有限公司 | Ophthalmic lens |
| CN109009566B (en) * | 2017-08-29 | 2024-04-26 | 东莞东阳光医疗智能器件研发有限公司 | Artificial crystal |
-
2018
- 2018-08-29 CN CN201821416208.1U patent/CN209301398U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009566A (en) * | 2017-08-29 | 2018-12-18 | 东莞东阳光科研发有限公司 | A kind of artificial lens |
| CN109009566B (en) * | 2017-08-29 | 2024-04-26 | 东莞东阳光医疗智能器件研发有限公司 | Artificial crystal |
| CN112198577A (en) * | 2019-10-23 | 2021-01-08 | 东莞东阳光医疗智能器件研发有限公司 | Ophthalmic lens |
| CN112198577B (en) * | 2019-10-23 | 2022-04-26 | 东莞东阳光医疗智能器件研发有限公司 | Ophthalmic lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109009566A (en) | 2018-12-18 |
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