CN109771093A - Scleral-fixated IOL and its lock - Google Patents
Scleral-fixated IOL and its lock Download PDFInfo
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- CN109771093A CN109771093A CN201910187558.8A CN201910187558A CN109771093A CN 109771093 A CN109771093 A CN 109771093A CN 201910187558 A CN201910187558 A CN 201910187558A CN 109771093 A CN109771093 A CN 109771093A
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- scleral
- lock
- shaped structure
- fixated iol
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Abstract
The present invention relates to the field of medical instrument technology, disclose particularly a kind of scleral-fixated IOL and its lock, including lens optics portion, lens optics portion is equipped with or has fixed structure, fixed structure is equipped with or with the lock fixed with eyeball sclera is suitable for, the fixed position for fixing with eyeball sclera of lock is in the side in the separate lens optics portion of fixed structure.The invention further relates to a kind of locks for scleral-fixated IOL, and including the sticking department being connected and fixed for the fixed structure with intraocular lens and for the fixed part fixed with eyeball sclera, sticking department is fixedly connected or is linked together with fixed part.Intraocular lens can directly be effectively secured on sclera by the present invention, effectively solve existing easy knotting, the problems such as operating difficulty is big after suture is mixed with liquid in eyeball, fixation suitable for current various types artificial lens, stablize and there is better property placed in the middle, structure is simple, applied widely.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of scleral-fixated IOL and its lock
Button.
Background technique
The structure of human eyeball is as shown in Figure 1, eyeball is made of wall of eyeball with intraocularly tolerant.Wall of eyeball points three layers, from outer
It is followed successively by tunica fibrosa, uvea and retina O to interior, tunica fibrosa is made of cornea, sclera M, and uvea is by iris E, ciliary body K
It is formed with choroid N, ciliary body K front humps are ciliary crown, and the protrusion that inner face has more than 70 radial arrangements is ciliary process
H, iris E are ciliary body K interior square continuity forward, and film, center are formed with circular pupil D in a ring.It is intraocularly tolerant to include
Aqueous humor, crystalline lens A and vitreum G, three is transparent and has certain infractive index, and the dioptric that eye is usually constituted with cornea C is situated between
Matter, crystalline lens A are biconvex hyaline tissue, are fixed after being suspended on iris E by apparatus suspensorius lentis J, before vitreum G.Eye
Room is the lacuna between crystalline lens A and cornea C, includes aqueous humor, is anterior chamber B and back room I by iris E points, and discus nervi optici L is
The junction of retinal nerve fiber is located at posterior pole of eyeball portion.Accessory organs of eye includes eyelid, lacrimal apparatus, conjunctiva, extraocular muscle, eye socket,
Eyeball flesh has protection, movement and supporting function to eyeball, wherein superior rectus F1 can make in pupil D steering, and inferior rectus muscle F2 can
Turn to pupil D in lower, internal rectus muscle can make pupil turn to inside, and musculus rectus lateralis can make pupil turn to outside.
Crystalline lens A is responsible for enter to form image on intraocular light focusing to retina O, and crystalline lens A is located at capsule
In bag, the apparatus suspensorius lentis J on the outside of pouch is surrounded in 360 ° and crystalline lens A is suspended in behind pupil D, this fixed form
The cental axial position of crystalline lens A and the optical axis can not only be made almost consistent, and can by the tension of apparatus suspensorius lentis J and
Loosen and adjust lenticular regulating power, to guarantee the accurate focusing of light.When lesion, which occurs, for crystalline lens A affects vision,
Patient may need to receive lens extraction operation.Under normal conditions, it if crystalline lens A is picked-off, needs to be implanted into people simultaneously
Work crystalline lens substitutes the dioptric function of crystalline lens A, and otherwise patient may require that the spectacles for long sight worn more than 1000 degree can just be seen
Clear image.The intraocular lens being implanted into operation need degree suitable, and preferred position is just to help in this way in pouch
The risk of crystalline lens deviation occurs in the future in reduction, while also can be reduced influence of the crystalline lens to its intraocular hetero-organization, to subtract
Few intraocular reaction.
Intraocular lens are a kind of transparent crystalline lens artificial substituents that can be provided close to nature twenty-twenty vision, usually
Underwent operative is implanted into itself the muddy crystal for replacing extracing in eyes, is current correction aphakia dioptric most efficient method.Such as
There is apparatus suspensorius lentis J serious change or pouch serious damage in fruit disease people in addition some patients will appear crystalline lens hang it is tough
Band J and pouch all lack, then will lead to intraocular lens does not have enough bracing forces, and can not be placed on normal position
It sets, if implantation, intraocular lens are easily displaced reluctantly, or even eyeball rear influence retina O can be fallen into and cause danger.Needle
To this situation, can be solved the problems, such as using sclera fixed intraocular lens (SF-IOL), sclera fixation is needed using not
Folding crystalline lens, and respectively have string holes on lenticular two supports button loop, to thread fixation, needed in operation under conjunctiva
Side does a notch as tunnel type and enters confession lens implanting, and suture is tied up in string holes, is slowly put into from tunnel type entrance
Intraocular lens are placed at ciliary groove by intraocular lens, and finally suture is fixed at sclera M, knot and fix, knot is most
After can be transferred into scleral tissue, or using conjunctival flap cover knot, avoid to conjunctival tissue generate stimulation, finally close knot
Film notch just completes operation.
But existing intraocular lens' method for implantation, when threading, suture need to penetrate the liquid in eyeball, with eyeball
Body mixes, and is easy tangled up and knotted, increases operating difficulty and operating time.In addition, when suture is connected with intraocular lens,
The direction of intraocular lens cannot be controlled, intraocular implants body position is easy to happen deflection and cannot focus so as to cause light
In on retina O, while the phenomenon that suture will appear fracture after surgery, certain risk is caused.
Summary of the invention
In order to overcome the shortcomings of the prior art, the basic technique problems that the present invention first has to solve are to provide a kind of Gong
Film fixated intraocular lenses, the intraocular lens can be directly fixed on sclera, and it is mixed effectively to solve liquid in suture and eyeball
After conjunction it is existing it is easy knot, the problems such as operating difficulty is big, intraocular lens are easy to happen deflection.
The present invention also proposes that a kind of lock for scleral-fixated IOL, the lock can be effectively used for various types of
The intraocular lens of type and the fixation of sclera provide convenience for intraocular lens implantation in cases, and structure is simple, applied widely.
In order to solve the above-mentioned technical problem, first aspect present invention provides a kind of scleral-fixated IOL, including
Lens optics portion, the lens optics portion are equipped with or have fixed structure, and the fixed structure is equipped with or has suitable
In the lock fixed with eyeball sclera, the fixed position for fixing with eyeball sclera of the lock is in the fixed structure
Side far from the lens optics portion.
Preferably, the lock further includes sticking department for being connected and fixed with the fixed structure, the sticking department and
The fixed part is fixedly connected or is formed as one.
Preferably, the lock is detachably connected with the corresponding fixed structure；Or it is described lock with it is corresponding
The fixed structure is formed as an integrated structure.
Preferably, the lock is detachably connected with the corresponding fixed structure, wherein the sticking department is can
The flexible locking portion of flexible deformation, and be in hollow structure, the size of the hollow structure matches with the fixed structure, described
Sticking department is sleeved and fixed on the outer peripheral surface of the fixation kit by the hollow structure.
Preferably, the lock is detachably connected with the corresponding fixed structure, wherein the sticking department is in U-shape
Structure, the closed end of the U-shaped structure are connect with the fixed part, pass through fixed pin and institute in the open end of the U-shaped structure
The cooperation for stating fixed structure is detachably connected to the lens optics portion.
Preferably, the fixed pin is detachably connected with the U-shaped structure, and the both ends of the fixed pin are elastic circular card
Head, the opposite inner surface of the U-shaped structure are equipped with the card hole to match with the round clamp of the elasticity.
Preferably, the fixed pin includes sequentially connected multiple pyramidal structures, and the big outer diameter end of the fixed pin is formed
On the side inner surface of the open end of the U-shaped structure, the small outer diameter end of the fixed pin is clamping end head, the U-shaped knot
The other side inner surface of the open end of structure is equipped with the card hole to match with the small outer diameter end of the fixed pin.
Preferably, the fixed part is elastic fixed part, and T-shaped structure or ring structure.
Preferably, the T-shaped structure or ring structure are parallel with the split in the lens optics portion or in same
One plane.
Preferably, the fixed structure is arranged symmetrically relative to the lens optics portion.
Second aspect of the present invention provides a kind of lock for scleral-fixated IOL, including is used for and the people
The sticking department that the lenticular fixed structure of work is connected and fixed and the fixed part for being fixed with eyeball sclera, the sticking department and institute
Fixed part is stated to be fixedly connected or be linked together.
Preferably, the fixed part is elastic fixed part, and T-shaped structure or ring structure.
Preferably, the sticking department is the flexible locking portion for capableing of flexible deformation, and is in hollow structure.
Preferably, the sticking department is in U-shape structure, and the closed end of the U-shaped structure is connect with the fixed part, the U
Fixed pin is equipped in the open end of shape structure.
Preferably, the fixed pin is detachably connected with the U-shaped structure, and the both ends of the fixed pin are elastic circular card
Head, the opposite inner surface of the U-shaped structure are equipped with the card hole to match with the round clamp of the elasticity.
Preferably, the fixed pin includes sequentially connected multiple pyramidal structures, and the big outer diameter end of the fixed pin is formed
On the inner surface of the open end side of the U-shaped structure, the small outer diameter end of the fixed pin is clamping end head, the U-shaped knot
The other side inner surface of the open end of structure is equipped with the card hole to match with the small outer diameter end of the fixed pin.
Preferably, the sticking department and the fixed part are formed as one or detachably connected.
Through the above technical solutions, the invention has the benefit that
1, the fixed structure of scleral-fixated IOL of the invention is equipped with lock, and the fixed part of lock can be direct
Scleral walls are caught in, intraocular lens are fixed on sclera, without using suture, effectively avoid the mixed of suture and eyeball liquid
It closes, risk caused by suture breaks will not occur, while lock makes intraocular lens' fixing-stable and have preferably to occupy
It is neutral.
2, the lock of scleral-fixated IOL is used in the present invention, it can be with different type, various sizes of artificial
Crystalline lens is used cooperatively, and with a wide range of applications and adaptability effectively solves various types of intraocular lens implantation in cases
Middle suture or positional shift bring influence, and also provide convenience for implant surgery.
In addition, in a preferred embodiment of the invention, the sticking department and fixed part of lock are detachably connected, Ke Yijin
One step according to the type or size of intraocular lens, select suitable sticking department, fixed part to be matched, the design of fixed pin
It is also suitable for being cooperatively connected with the fixed structure of various sizes, more conducively latches connection and application with intraocular lens.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Following drawings is used to provide further understanding of the present invention, and constitutes part of specification, and following
Specific embodiment be used to explain the present invention together, but protection scope of the present invention is not limited to following attached drawings and specific real
Apply mode.In the accompanying drawings:
Fig. 1 is human eyeball's structural schematic diagram；
Fig. 2 is a kind of structural representation of specific embodiment of the scleral-fixated IOL with c-type button loop in the present invention
Figure, wherein the fixed part latched is T-shaped structure；
Fig. 3 is that the structure of another specific embodiment of the scleral-fixated IOL with c-type button loop in the present invention is shown
It is intended to, wherein the fixed part latched is ring structure；
Fig. 4 is a kind of structural schematic diagram of specific embodiment of multifocal scleral-fixated IOL in the present invention；
Fig. 5 is the structural schematic diagram of lock of the invention used by scleral-fixated IOL shown in Fig. 2；
Fig. 6 is the structural representation in the present invention for a kind of specific embodiment of the lock of scleral-fixated IOL
Figure；
Fig. 7 is that the structure of lock of the invention used by multifocal scleral-fixated IOL shown in Fig. 4 is shown
It is intended to；
Fig. 8 is that a kind of structure of specific embodiment of the lock shown in Fig. 7 for scleral-fixated IOL is shown
It is intended to.
Description of symbols:
A crystalline lens B anterior chamber
C cornea D pupil
E iris F1 superior rectus
F2 inferior rectus muscle G vitreum
H ciliary process I back room
J apparatus suspensorius lentis K ciliary body
L discus nervi optici M sclera
N choroid O retina
1 lens optics portion, 2 fixed structure
3 31 sticking departments of lock
311 hollow structure 312U shape structures
The round clamp of 313 fixed pin, 314 elasticity
315 first linkage section, 32 fixed part
321 second linkage sections
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments, it should be appreciated that retouches in this place
The specific embodiment stated is merely to illustrate and explain the present invention, and protection scope of the present invention is not limited to following specific realities
Apply mode.
In the description of the present invention, it is to be understood that term " connection ", " socket " shall be understood in a broad sense, for example, connection
It can be and be directly connected to, be also possible to indirectly be connected by intermediary.For those of ordinary skill in the art and
Speech, the specific meanings of the above terms in the present invention can be understood according to specific conditions.Term " first ", " second " are only used for retouching
The purpose stated is not understood to indicate or imply relative importance or implicitly indicates the quantity of indicated technical characteristic, because
This, defines " first ", the feature of " second " can be expressed or implicitly includes one or more features.In the present invention
The split in lens optics portion refer to and the tow sides in lens optics portion are equidistant or approximate equidistant plane that this is put down
Face is by lens optics portion from the intermediate equal part in lens optics portion or approximate equal part.
The scleral-fixated IOL that first aspect present invention provides, as shown in figs 2-4, including lens optics
Portion 1, lens optics portion 1 are equipped with or have fixed structure 2, and fixed structure 2, which is equipped with or has, to be suitable for consolidating with eyeball sclera
Fixed lock 3 latches the 3 separate lens optics portion 1 for being located at fixed structure 2 for the fixed part 32 fixed with eyeball sclera
Side.
It should be noted that scleral-fixated IOL can be monofocal intraocular lens, multifocal in the present invention
Point intraocular lens or electrodeless zoom intraocular lens；Fixed structure 2, which can be, to be set to or is formed in lens optics portion 1
Support button loop itself (as shown in Figures 2 and 3), 1 peripheral branches of fixation hole or lens optics portion being also possible on support button loop
The fixation hole (as shown in Figure 4) of support part point.The scleral-fixated IOL of above-mentioned basic technical scheme through the invention, makes
Used time method particularly includes: scleral-fixated IOL is put into implanting device, implantation is intraocular, is placed in anterior chamber；Utilize Gong
Membrane puncture knife does the notch perpendicular to corneal limbus after corneal limbus at 2.5-3.5mm, while with 15 ° of stab knives in notch center position
Set the sclera cutting done perpendicular to notch (being parallel to corneal limbus) (only cutting does not penetrate sclera M)；Utilize operation on retina foreign matter
Tweezer protrudes into eyeball from notch, pulls out from iris rear by one of lock 3 on the intraocular lens from incision, and will lock
The fixed part 32 of button 3 is stuck in the slot of sclera M, is fixed on the artificial lenticular one end on sclera M；Again in the artificial crystalline substance
On shape body at 3 corresponding positions of other locks, identical operation is carried out, is sequentially fixed at the artificial lenticular other termination
On sclera M.
As a preferred embodiment of scleral-fixated IOL in the present invention, fixed structure 2 is relative to optics
Crystalline lens portion 1 is arranged symmetrically, and increases structural stability when fixing after intraocular lens are implanted into.
- Fig. 7 referring to fig. 2, Fig. 5-Fig. 7 are the structural schematic diagram of present invention lock 3, in range of the technology design of the invention
In, it includes the locking being connected and fixed for the fixed structure 2 with intraocular lens that the lock 3 of basic embodiment of the present invention, which has,
Portion 31 and for the fixed part 32 fixed with eyeball sclera M, sticking department 31 and fixed part 32 are linked together.Sticking department 31 and fixation
Portion 32 may be a fixed connection, and may be a detachable connection, or be integrally formed, and can be and is directly connected to, is also possible to lead to
The connection for both crossing that connecting rod is indirectly connected with or sticking department 31 and/or fixed part 32 are equipped with interconnecting piece to realize.
The lock 3 of above-mentioned basic embodiment of the invention can preferably be formed as being used for intraocular lens implantation in cases
Fixation device, so that sticking department 31 and the fixed structure 2 of intraocular lens are connected and fixed, fixed part 32 is used for intraocular lens
Fixed after implantation eyeball with sclera M, in this case, lock 3 of the invention be formed into can the product independently sold of market,
Directly lock 3 and different type, various sizes of intraocular lens cooperation can be made in the implantation process of intraocular lens
With with a wide range of applications and adaptability effectively solves suture band in various types of intraocular lens implantation in cases
The influence come, also provides convenience for implant surgery.
In the basic fundamental conception range of above-mentioned lock 3 of the invention, referring to Fig. 5, as one latched in the present invention
A preferred embodiment, sticking department 31 are the flexible locking portion for capableing of flexible deformation, and are in hollow structure 311, hollow structure 311
Size matches with fixed structure 2, and sticking department 31 is socketed on the outer peripheral surface of fixed structure 2 by hollow structure 311.Sticking department
31 specific optional polyether urethane ureas, polytetramethylene glycol, diisocyanate methylene diphenyl ester or the methylene that molecular weight is 2000
Diamines reasonably sets the size of hollow structure 311 according to the size range of fixed structure 2, in conjunction with the bullet of sticking department 31 itself
Property, so that lock 3 and the intraocular lens of multiple types or size is used cooperatively, makes different types of intraocular lens in hand
With certain interlinking when art, locking is conveniently connect with intraocular lens, it is applied widely, versatile.
3 and corresponding fixed structure are latched as another preferred embodiment latched in the present invention referring to Fig. 6 and Fig. 7
2 is detachably connected, wherein sticking department 31 is in U-shape structure 312, and the closed end of U-shaped structure 312 is connect with fixed part 32, U-shaped
Lens optics portion 1 is detachably connected to by the cooperation of fixed pin 313 and fixed structure 2 in the open end of structure 312, it can
It is connected to the position of fixed structure 2 using U-shaped structure 312, is fixedly connected with lock 3 with fixed structure 2 by fixed pin 313.
Further, as shown in fig. 6, fixed pin 313 is detachably connected with U-shaped structure 312, the both ends of fixed pin 313 are that elasticity is round
Clamp 314, the opposite inner surface of U-shaped structure 312 are equipped with the card hole to match with elastic round clamp 314.Fixed structure 2 is
When fixation hole, selection passed through slightly larger than the fixed pin 313 in fixation hole aperture and with fixation hole clamping, while by the Elastic Circular at both ends
Shape clamp 314 is caught in the card hole in U-shaped structure 312 fixed；It, can be by suitable U-shaped structure when fixed structure 2 is support button loop
312 are clamped on support button loop, reselection fixed pin 313, and the round clamp 314 of the elasticity at both ends is caught in the card in U-shaped structure 312
It is fixed in hole, close the opening of U-shaped structure 312.
As another preferred embodiment of fixed pin in the present invention, as shown in fig. 7, fixed pin 313 includes being sequentially connected
Multiple pyramidal structures, the big outer diameter end of fixed pin 313 is formed on the side inner surface of the open end of U-shaped structure 312, fixed
The small outer diameter end of pin 313 is clamping end head, and the other side inner surface of the open end of U-shaped structure 312 is equipped with and fixed pin 313
The card hole that small outer diameter end matches.When fixed structure 2 is fixation hole, by the small outer diameter end insertion fixation hole of fixed pin 313, adjust
The position of solidating rationed marketing 313 is clamped on fixed pin 313 in fixation hole using the difference of pyramidal structure outer diameter, then will fix again
The small outer diameter end of pin 313 is caught in card hole and fixes, and when fixed structure 2 is support button loop, can be clamped on suitable U-shaped structure 312
On support button loop, then the small outer diameter end of fixed pin 313 is caught in card hole and is fixed.
As the preferred embodiment latched in the present invention, fixed part 32 is elastic fixed part, and T-shaped structure or
Ring structure, referring to fig. 2, T-shaped structure are convenient for after intraocular lens are implanted into eyeball, and the slot for being directly caught in sclera M is fixed；Ginseng
See Fig. 3 and Fig. 4, ring structure not only makes intraocular lens be easier to implantation eyeball, and generates and pierce to eyeball there is no corner angle
Swash, and after the slot that fixed part 32 is caught in sclera M, fixed part 32 can be cut short according to the actual situation from centre, increase it
It is caught in the length of sclera slot.Further, lock 3 with intraocular lens be used cooperatively when, the T-shaped structure of fixed part 32 or
Ring structure it is parallel with the split in lens optics portion 1 or be in same plane, meet in intraocular lens implantation in cases with
Requirement when sclera M is fixed to fixed-direction.
As the preferred embodiment latched in the present invention, sticking department 31 and fixed part 32 be it is detachably connected, make
It can neatly be matched between various sizes of sticking department 31 and fixed part 32 and be assembled into lock 3, further expansion lock 3 is fitted
Use range.
Specifically, in the embodiment shown in fig. 8, the mode of sticking department 31 and fixed part 32 being detachably connected are as follows: lock
Portion 31 is determined equipped with the first linkage section 315, and fixed part 32 is equipped with the second linkage section 321, the first linkage section 315 and the second connection
Section 321 is threadedly coupled, and makes the stabilization that is connected firmly of sticking department 31 and fixed part 32, while being convenient for various sizes of sticking department
Matching and assembling between 31 and fixed part 32.Further, it is formed after the first linkage section 315 and the connection of the second linkage section 321
Connection handle length be 3-4mm, with meet normal size intraocular lens operation in demand.
The lock 3 of embodiment shown in Fig. 8 be applied to intraocular lens shown in Fig. 4 when, when in use, first selection and people
The sticking department 31 that the lenticular fixed structure 2 of work matches is threadedly coupled with the fixed part 32 for adapting to size, is assembled into lock
Button 3, then the sticking department 31 of the lock 3 is fixed on the fixed structure 2 on scleral-fixated IOL, then will
Intraocular lens are put into implanting device, and implantation is intraocular, are placed in anterior chamber B；Using sclerotic puncture knife after corneal limbus 2.5-3.5mm
The notch perpendicular to corneal limbus is done at place, while doing the sclera cutting perpendicular to notch in notch central location with 15 ° of stab knives, then
Eyeball is protruded into from notch using operation on retina foreign body forceps, from the rear iris E by one of lock 3 on the intraocular lens
Fixed part 32 pulled out from incision, and fixed part 32 is stuck in the slot of sclera M, fixes the artificial lenticular one end
On sclera M；Identical operation is carried out, the artificial crystalline substance is made at 3 corresponding positions of other locks on the intraocular lens again
The other termination of shape body is sequentially fixed on sclera M.
The advantage of the invention is that being set on the fixed structure 2 of scleral-fixated IOL it can be seen from upper description
There is lock 3, scleral walls can be directly caught in by latching 3 fixed part 32, intraocular lens are fixed on sclera M, without using seam
Line effectively avoids the mixing of suture Yu eyeball liquid, risk caused by suture breaks will not occurs, while lock 3 makes the people
Work crystalline lens fixing-stable and there is better property placed in the middle；The lock of scleral-fixated IOL is used in the present invention, it can
It is used cooperatively with different type, various sizes of intraocular lens, with a wide range of applications and adaptability effectively solves various
Suture or positional shift bring influence in the intraocular lens implantation in cases of type, also provide convenience for implant surgery.
In addition, in a preferred embodiment of the invention, latching 3 sticking department 31 and fixed part 32 being removably to connect
It connects, suitable sticking department 31, the progress of fixed part 32 can be selected according further to the type or size of intraocular lens
Match, the design of fixed pin 313 is also suitable for being cooperatively connected with the fixed structure 2 of various sizes, more conducively latches 3 and intraocular lens
Connection and application.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (17)
1. a kind of scleral-fixated IOL, including lens optics portion (1), the lens optics portion (1) is equipped with
Or there are fixed structure (2), which is characterized in that the fixed structure (2) is equipped with or with being suitable for and eyeball sclera is fixed
It latches (3), the lock (3) is located at the separate of the fixed structure (2) for the fixed part (32) fixed with eyeball sclera
The side of the lens optics portion (1).
2. scleral-fixated IOL according to claim 1, which is characterized in that the lock (3) further includes using
In the sticking department (31) being connected and fixed with the fixed structure (2), the sticking department (31) and the fixed company of the fixed part (32)
It connects or is formed as one.
3. scleral-fixated IOL according to claim 2, which is characterized in that the lock (3) with it is corresponding
The fixed structure (2) is detachably connected；Or
The lock (3) formed as an integrated structure with the corresponding fixed structure (2).
4. scleral-fixated IOL according to claim 3, which is characterized in that the lock (3) with it is corresponding
The fixed structure (2) is detachably connected, wherein and the sticking department (31) is the flexible locking portion for capableing of flexible deformation, and
In hollow structure (311), size and the fixed structure (2) of the hollow structure (311) match, the sticking department (31)
It is sleeved and fixed on the outer peripheral surface of the fixation kit (2) by the hollow structure (311).
5. scleral-fixated IOL according to claim 3, which is characterized in that the lock (3) with it is corresponding
The fixed structure (2) is detachably connected, wherein the sticking department (31) is in U-shape structure (312), the U-shaped structure
(312) closed end is connect with the fixed part (32), in the open end of the U-shaped structure (312) by fixed pin (313) with
The cooperation of the fixed structure (2) is detachably connected to the lens optics portion (1).
6. scleral-fixated IOL according to claim 5, which is characterized in that the fixed pin (313) and institute
It states U-shaped structure (312) to be detachably connected, the both ends of the fixed pin (313) are the round clamp (314) of elasticity, the U-shaped structure
(312) opposite inner surface is equipped with the card hole to match with the round clamp (314) of the elasticity.
7. scleral-fixated IOL according to claim 5, which is characterized in that the fixed pin (313) includes
The big outer diameter end of sequentially connected multiple pyramidal structures, the fixed pin (313) is formed in the opening of the U-shaped structure (312)
On the side inner surface at end, the small outer diameter end of the fixed pin (313) is clamping end head, the open end of the U-shaped structure (312)
Other side inner surface be equipped with the card hole to match with the small outer diameter end of the fixed pin (313).
8. scleral-fixated IOL according to any one of claim 1 to 7, which is characterized in that the fixation
Portion (32) is elastic fixed part, and T-shaped structure or ring structure.
9. scleral-fixated IOL according to claim 8, which is characterized in that the T-shaped structure or annular
Structure is parallel with the split of the lens optics portion (1) or is in same plane.
10. scleral-fixated IOL according to any one of claim 1 to 7, which is characterized in that the fixation
Structure (2) is arranged symmetrically relative to the lens optics portion (1).
11. a kind of lock for scleral-fixated IOL, which is characterized in that including being used for and the intraocular lens
The sticking department (31) that is connected and fixed of fixed structure and for the fixed part (32) fixed with eyeball sclera, the sticking department (31)
It is fixedly connected or is linked together with the fixed part (32).
12. the lock according to claim 11 for scleral-fixated IOL, which is characterized in that the fixation
Portion (32) is elastic fixed part, and T-shaped structure or ring structure.
13. the lock according to claim 11 for scleral-fixated IOL, which is characterized in that the locking
Portion (31) is the flexible locking portion for capableing of flexible deformation, and is in hollow structure (311).
14. the lock according to claim 11 for scleral-fixated IOL, which is characterized in that the locking
Portion (31) is in U-shape structure (312), and the closed end of the U-shaped structure (312) is connect with the fixed part (32), the U-shaped structure
(312) fixed pin (313) are equipped in open end.
15. the lock according to claim 14 for scleral-fixated IOL, which is characterized in that the fixation
Pin (313) is detachably connected with the U-shaped structure (312), and the both ends of the fixed pin (313) are the round clamp (314) of elasticity,
The opposite inner surface of the U-shaped structure (312) is equipped with the card hole to match with the round clamp (314) of the elasticity.
16. the lock according to claim 14 for scleral-fixated IOL, which is characterized in that the fixation
Selling (313) includes sequentially connected multiple pyramidal structures, and the big outer diameter end of the fixed pin (313) is formed in the U-shaped structure
(312) on the inner surface of open end side, the small outer diameter end of the fixed pin (313) is clamping end head, the U-shaped structure
(312) other side inner surface of open end is equipped with the card hole to match with the small outer diameter end of the fixed pin (313).
17. the lock of scleral-fixated IOL is used for described in any one of 1 to 16 according to claim 1, it is special
Sign is, the sticking department (31) and the fixed part (32) are formed as one or detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910187558.8A CN109771093A (en) | 2019-03-13 | 2019-03-13 | Scleral-fixated IOL and its lock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910187558.8A CN109771093A (en) | 2019-03-13 | 2019-03-13 | Scleral-fixated IOL and its lock |
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| Publication Number | Publication Date |
|---|---|
| CN109771093A true CN109771093A (en) | 2019-05-21 |
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|---|---|---|---|
| CN201910187558.8A Pending CN109771093A (en) | 2019-03-13 | 2019-03-13 | Scleral-fixated IOL and its lock |
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| WO2021148689A1 (en) * | 2020-01-21 | 2021-07-29 | Oftalmoretina S.L.U. | Scleral anchoring device for intraocular lenses |
| KR20230006121A (en) * | 2021-07-02 | 2023-01-10 | 경상국립대학교산학협력단 | Haptic fixing device of intraocular lens |
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