CN110151394A - It is additional to chase after strong type intraocular lens and its application - Google Patents
It is additional to chase after strong type intraocular lens and its application Download PDFInfo
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- CN110151394A CN110151394A CN201910531972.6A CN201910531972A CN110151394A CN 110151394 A CN110151394 A CN 110151394A CN 201910531972 A CN201910531972 A CN 201910531972A CN 110151394 A CN110151394 A CN 110151394A
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- intraocular lens
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- type intraocular
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- 230000003287 optical effect Effects 0.000 claims abstract description 130
- 238000002513 implantation Methods 0.000 claims abstract description 23
- 208000029091 Refraction disease Diseases 0.000 claims abstract description 14
- 230000004430 ametropia Effects 0.000 claims abstract description 14
- 208000014733 refractive error Diseases 0.000 claims abstract description 14
- 125000004122 cyclic group Chemical group 0.000 claims description 11
- 210000000078 claw Anatomy 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 2
- 239000013078 crystal Substances 0.000 description 40
- 239000002775 capsule Substances 0.000 description 27
- 210000002159 anterior chamber Anatomy 0.000 description 16
- 201000009310 astigmatism Diseases 0.000 description 8
- 208000001491 myopia Diseases 0.000 description 7
- 230000006641 stabilisation Effects 0.000 description 7
- 238000011105 stabilization Methods 0.000 description 7
- 210000004087 cornea Anatomy 0.000 description 5
- 208000006550 Mydriasis Diseases 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000010412 perfusion Effects 0.000 description 4
- 230000002980 postoperative effect Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 206010010164 Hypertension complications Diseases 0.000 description 3
- 230000004438 eyesight Effects 0.000 description 3
- 201000004614 iritis Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004379 myopia Effects 0.000 description 3
- 208000002177 Cataract Diseases 0.000 description 2
- 230000001886 ciliary effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 230000004382 visual function Effects 0.000 description 2
- 206010011732 Cyst Diseases 0.000 description 1
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 description 1
- 206010036346 Posterior capsule opacification Diseases 0.000 description 1
- 210000001742 aqueous humor Anatomy 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 208000031513 cyst Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 206010014801 endophthalmitis Diseases 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000002430 laser surgery Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
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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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
- A61F9/0017—Introducing ophthalmic products into the ocular cavity or retaining products therein implantable in, or in contact with, the eye, e.g. ocular inserts
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention provide it is a kind of additional chase after strong type intraocular lens and its application, it is described that additional to chase after strong type intraocular lens include: optical section and the fixation kit for positioning optical section；Fixation kit is clamping portion, and clamping portion includes interconnecting piece and the bayonet part that is located on interconnecting piece；Interconnecting piece is distributed along the outer circumference of optical section and connects optical section；Alternatively, fixation kit is clamping part, clamping part includes front wing and rear wing；Front wing is distributed along the outer circumference of optical section and connects optical section, the inner surface connection of rear wing and optical section, so that front wing and rear wing form wing bayonet arrangement；Alternatively, clamping part includes U-lag and connecting rod；One end of connecting rod connects U-lag, and the other end of connecting rod connects optical section；The opening direction of U-lag are as follows: the radial direction along optical section and the direction far from optical section.Provided by the invention add chases after strong type intraocular lens and its application, assists to keep stablizing by fixation kit, thus to remaining ametropia after intraocular lens implantation or chase after depending on nearly difficulty strong.
Description
Technical field
The present invention relates to intraocular lens technical fields, more particularly to a kind of add to chase after strong type intraocular lens and its application.
Background technique
The artificial lens structure of conventional design include: center serve dioptric lens optical section (circle of about 6mm) and
The button loop portion (mostly two sides symmetric design, total length about 12mm, c-type L-type or flat) that periphery plays a supportive role is implanted into lens caples
After in bag, there is the peripheral portion of the button loop portion support pouch of certain elasticity, to guarantee that optical section is placed in the middle and stable in pouch.
Currently, there are quite a few patient's residual fraction is ametropia after cataract extraction with intraocular lens implantation
The close difficult problem of (such as myopia, long sight, astigmatism) or view, occurrence cause include: preoperative IOL Power measuring and calculating error,
Surgical induced astigmatisn, implantation artificial lens without correction astigmatism design, without multifocal point design etc..Existing common settling mode
It include: that (1) is corrected by wearing frame eyeglasses, but frame eyeglasses can make troubles to the life of patient；(2) replacement is artificial brilliant
Body, but there is a problem of that surgical procedure is complicated, ophthalmic injuries weight, patient is difficult to receive；(3) it is cut by excimer laser surgery
Cornea is corrected, but this operation is irreversible, some patient's refractive status can be more than Laser corrective range；(4) by another piece
It carries out chasing after strong (such as the implantation of back carried artificial lens) in conventional manual's Lens implantation ciliary groove, but existing conventional manual's crystal
All it is the outwardly extending button loop portion for being always about 12mm in addition to the optical section of center about 6mm size, is easy to happen since crystal is fastened with a rope, string, etc.
Portion's stimulation iris and the iritis and intraocular hypertension complication that induce, there is also the crystal positions in ciliary groove be difficult to keep stablize and
Problem placed in the middle.
Summary of the invention
It is added the purpose of the present invention is to provide one kind and chases after strong type intraocular lens and its application, passed through fixation kit and assist to protect
The additional stabilization for chasing after strong type intraocular lens is held, thus to the nearly difficult progress of ametropia or view is remained after intraocular lens implantation
It chases after strong.
The present invention, which provides, a kind of additional chases after strong type intraocular lens, comprising: optical section and for positioning consolidating for the optical section
Determine component；Wherein, the fixation kit is clamping portion, and the clamping portion includes: interconnecting piece and the card that is located on the interconnecting piece
Oral area；The interconnecting piece is distributed along the outer circumference of the optical section and connects the optical section；Alternatively, the fixation kit packet
At least two clamping parts are included, each clamping part includes: front wing and rear wing；The front wing is distributed along the outer circumference of the optical section
And the optical section is connected, the rear wing is connect with the inner surface of the optical section, to make the front wing and the rear wing group
At wing bayonet arrangement；Alternatively, each clamping part includes: U-lag and connecting rod；One end of the connecting rod is connect with the U-lag,
The other end of the connecting rod is connect with the optical section；Wherein, the opening direction of the U-lag are as follows: along the diameter of the optical section
To and far from the optical section direction.
Optionally, the interconnecting piece are as follows: along the convex edge that the optical section extends radially outwardly to the axial direction of the optical section
It is L-shaped structure that bending, which is formed by section,；Wherein, the bayonet part are as follows: be arranged on the end of the L-shaped structure to
Interior curved claw, the joint face arc transition of the claw and the L-shaped structure.
Optionally, the interconnecting piece is equipped with the first positioning hole, and first positioning hole is inclined outwardly through the convex edge
And it extends to inside the L-shaped structure.
Optionally, the interconnecting piece are as follows: along the cyclic structure raised axially inwards of the optical section；The cyclic structure
Ware shape structure is formed with the optical section；Wherein, the bayonet part are as follows: the notch in the cyclic structure is set.
Optionally, described add chases after strong type intraocular lens further include: at least two support portions, each support portion is along the light
The outer circumference for being radially arranged in the optical section of the department of the Chinese Academy of Sciences is simultaneously connect with the optical section；Wherein, each support portion is in the wing
The monolithic plank frame of shape.
Optionally, the curvature of the front wing upper surface is consistent with the curvature of the optical section；The rear wing is L shape, and institute
The end for stating rear wing is connect with the inner surface of the optical section, to make to form spacing between the front wing and the rear wing.
Optionally, the quantity of the rear wing is one or more；Wherein, when the quantity of the rear wing is multiple, side by side
The distance between outer rim of the end of each rear wing being arranged and the optical section gradually increasing or decreasing, to make multiple
Rear wing is distributed in the staged of the outer rim one by one far from or close to the optical section.
Optionally, the front wing includes the first front wing and the second front wing, between first front wing and second front wing
With preset space length；Wherein, the rear wing is equipped with the second positioning between first front wing and second front wing
The aperture in hole, second positioning hole is less than or equal to the preset space length.
Optionally, the through-hole that the center setting diameter of the optical section is 0.2~0.5mm.
It is of the invention additional to chase after strong type intraocular lens to remain ametropia or view after chasing after strong intraocular lens implantation close tired
Application in difficulty.
The invention has the benefit that described add chases after strong type intraocular lens by fixation kit to be clamped mother crystal optics
Portion or the mode holding position for clamping preceding Nang Kou are stablized, thus close tired to ametropia or view is remained after intraocular lens implantation
Difficulty chase after strong, effectively solves the problems, such as ametropia or near-sighted difficult, while avoiding inducing iritis and intraocular hypertension complication
Etc. symptoms.Also, the additional structure for chasing after strong type intraocular lens be applicable to different patient's pouches form and preceding capsule mouth diameter
Size.Strong type intraocular lens is chased after in addition, applying this before mother crystal and adding, it is smaller to ophthalmic injuries.
Detailed description of the invention
Fig. 1 is the additional axonometric drawing for chasing after strong type intraocular lens embodiment one.
Fig. 2 is the additional top view for chasing after strong type intraocular lens embodiment one.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Fig. 4 is the axonometric drawing that embodiment one increases support portion.
Fig. 5 is the additional axonometric drawing for chasing after strong type intraocular lens embodiment two.
Fig. 6 is the additional main view for chasing after strong type intraocular lens embodiment two.
Fig. 7 is the additional main view for chasing after strong type intraocular lens embodiment three (Dan Houyi).
Fig. 8 is the additional application side view state diagram for chasing after strong type intraocular lens embodiment three (Dan Houyi).
Fig. 9 is the additional application main view state diagram for chasing after strong type intraocular lens embodiment three (Dan Houyi).
Figure 10 is the cross-sectional view of Fig. 9.
Figure 11 is the additional main view for chasing after strong type intraocular lens embodiment three (more rear wings).
Figure 12 is the additional application state figure one for chasing after strong type intraocular lens embodiment three (more rear wings).
Figure 13 is the additional application state figure two for chasing after strong type intraocular lens embodiment three (more rear wings).
Figure 14 is the additional axonometric drawing for chasing after strong type intraocular lens example IV.
Figure 15 is the additional main view for chasing after strong type intraocular lens example IV.
Specific embodiment
Carry out the additional of detailed description of the present invention embodiment below with reference to Fig. 1 to Figure 15 and chases after strong type intraocular lens.
The embodiment of the present invention, which provides, a kind of additional chases after strong type intraocular lens, comprising: optical section (1) and described for positioning
The fixation kit of optical section (1), fixation kit setting the optical section (1) outer marginal circumference and with the optical section
(1) it connects.
The fixation kit includes: clamping portion (2) or at least two clamping parts (3).
It should be appreciated that the embodiment of the present invention it is additional chase after strong type intraocular lens can be to implantable artificial crystal (that is, former brilliant
Body) postoperative existing residual is ametropia or chase after depending on nearly difficulty strong.Patient does not have to the mother crystal that replacement has been implanted into, without
Frame eyeglasses are worn, the problem of ametropia or near-sighted difficulty can be solved.
As an example, mother crystal can be the artificial lens of cataract extraction joint implantation.
In one embodiment, the fixation kit is clamping portion (2), that is, the clamping portion (2) is arranged in the optics
The outer marginal circumference in portion (1) is simultaneously connect with the optical section (1), by the clamping portion (2) connection (for example, being connected together)
The mother crystal of implantation is fixed on the optical section (1) in front of the mother crystal being implanted into, thus to implantation mother crystal Postoperative Residual
It is ametropia or chase after depending on nearly difficulty strong.
Preferably, described add chases after strong type intraocular lens further include: at least two support portions (4), each support portion (4) edge
The outer marginal circumference for being radially arranged in the optical section (1) of the optical section (1) is simultaneously connect, Mei Gezhi with the optical section (1)
Support part (4) is the monolithic plank frame in wing.In the case, the support portion (4) is for assisting the clamping portion (2) right
It is described it is additional chase after strong type intraocular lens and be fixed, to keep the additional stabilization for chasing after strong type intraocular lens.For example, each
Support portion (4) supports the peripheral portion of pouch, to assist to keep the fixation and stabilization of the optical section (1).
In another embodiment, the fixation kit includes at least two clamping parts (3), and each clamping part (3) setting exists
The outer marginal circumference of the optical section (1) is simultaneously connect with the optical section (1), the edge Nang Kou before being clamped by the clamping part (3)
Cyst membrane, be fixed on the optical section (1) in front of the mother crystal that has been implanted into, thus not to implantation mother crystal Postoperative Residual dioptric
Just or depending on nearly difficulty chase after strong.
Being described in detail below with reference to embodiment one and embodiment two, there is the additional of " clamping portion " to chase after strong type intraocular lens.
Embodiment one.
As shown in Figure 1 to Figure 3, it is added the present embodiment provides one kind and chases after strong type intraocular lens, comprising: optical section (1) and use
In the fixation kit for positioning the optical section (1), the fixation kit is clamping portion (2).
The quantity of the clamping portion (2) is two or more.For example, when the quantity of the clamping portion (2) is two
When, two clamping portions (2) are distributed in outer circumference and the connection of the optical section (1) along the radial symmetric of the optical section (1)
The optical section (1)；When the quantity of the clamping portion (2) is three, three clamping portions (2) are evenly arranged on the optical section (1)
Outer circumference and connect the optical section (1).
Each clamping portion (2) includes: interconnecting piece (20) and the bayonet part (22) being located on the interconnecting piece (20), the company
Socket part (20) is distributed along the outer circumference of the optical section (1) and connects the optical section (1).
As an example, the interconnecting piece (20) are as follows: along the convex edge (200) that the optical section (1) extends radially outwardly to institute
It is L-shaped structure that the axial bending for stating optical section (1), which is formed by section,.The bayonet part (22) are as follows: be arranged described L-shaped
Aduncate claw (220) on the end of structure, the joint face circular arc mistake of the claw (220) and the L-shaped structure
It crosses.
The claw (220) chases after strong type with certain elasticity, for keeping this to add after guarantee clamping mother crystal optical section
The stabilization of intraocular lens, and mother crystal is not caused excessively to pressurize.As an example, claw spacing can be according to the mother crystal light of implantation
The size (for example, diameter) of the department of the Chinese Academy of Sciences is set, such as 5.5mm, 5.75mm, 6.0mm.
As an example, the claw (220) can be PMMA material, it can also be the soft material with the same material of optical section (1)
Material.
Preferably, the first positioning hole (221) are equipped on the interconnecting piece (20), first positioning hole (221) is outside
Inclination through the convex edge (200) and extending to inside the L-shaped structure, protruded into convenient for positioning hook and move this it is additional chase after it is strong
Type intraocular lens, and it is flared out the bayonet arrangement (that is, clamping portion (2)) of claw type in order to clamp mother crystal optical section.
As shown in Figure 4, it is preferable that it is described it is additional chase after strong type intraocular lens include: optical section (1), two clamping portions (2) and
The outer rim in the optical section (1) is arranged along the radial symmetric of the optical section (1) for two support portions (4), each support portion (4)
Circumference is simultaneously connect with the optical section (1).
As an example, each support portion (4) is the monolithic plank frame in wing.In the case, the support portion (4)
For assist the clamping portion (2) to it is described it is additional chase after strong type intraocular lens and be fixed, so that keeping described additional chases after strong type
The stabilization of intraocular lens.
The additional of the present embodiment chases after strong type intraocular lens and is more suitable for being easy to exposed without capsule before complete or mother crystal optical section
Patient.In use, according to the size in art eye mother crystal optics area determine the fixation kit spacing model (such as 5.5mm or
6.0mm etc.).The main notch of original operation is implanted into or separately prepares transparency cornea or corneosclera notch when use, is implanted under mydriasis state
After anterior chamber, it is unfolded naturally, the first positioning hole that positioning hook protrudes into the fixation kit, which adds this, chases after strong type intraocular lens clamping
It is fixed on mother crystal optical section.Part person of long duration after intraocular lens implantation for the first time, front and back capsule or preceding capsule and mother crystal light
Department of the Chinese Academy of Sciences adhesion person needs to carry out anterior capsule in advance to separate with mother crystal, is chased after before strong type intraocular lens is placed in so that this is additional under capsule
Clamp mother crystal.Entire surgical procedure can maintain to carry out under anterior chamber in viscoelastic agent, or maintain to carry out under anterior chamber in anterior chamber's perfusion.
Embodiment two.
As shown in Figure 5 and Figure 6, it is added the present embodiment provides one kind and chases after strong type intraocular lens, comprising: optical section (1) and use
In the fixation kit for positioning the optical section (1), the fixation kit is clamping portion (2).
The clamping portion (2) includes interconnecting piece (20) and the bayonet part (22) being located on the interconnecting piece (20), the company
Socket part (20) is distributed along the outer circumference of the optical section (1) and connects the optical section (1).
As an example, the interconnecting piece (20) are as follows: along the cyclic structure raised axially inwards of the optical section (1), institute
It states cyclic structure and the optical section (1) forms ware shape structure；The bayonet part (22) are as follows: be arranged in the cyclic structure
Notch (5), the notch (5) are used to avoid the root of mother crystal button loop, determine that this additional chase after strong type intraocular lens and be held in place.?
That is the position of the notch (5) is corresponding with the root that mother crystal is fastened with a rope, string, etc..
Preferably, the internal diameter of the cyclic structure is identical as the diameter of mother crystal optical section, to make mother crystal optical section
It can be caught in the cyclic structure, while not influence the position of mother crystal, and guarantee the additional stabilization for chasing after strong type intraocular lens
With it is placed in the middle.
Preferably, described add chases after strong type intraocular lens further include: two support portions (4), each support portion (4) is along described
The radial symmetric of optical section (1) is arranged the outer marginal circumference in the optical section (1) and connect with the optical section (1).
As an example, the support portion (4) can be the alar part of thin design, it is preferable that the shape of the support portion (4) can
To be also possible to C or L-type in the monolithic plank frame of wing, it can protrude into pouch and assist to keep this additional to chase after strong type intraocularly saturating
The stabilization of mirror.
Preferably, the first positioning hole (221) are provided on each support portion (4).
The additional of the present embodiment chases after the strong type intraocular lens scope of application and is the same as example 1, and therefore, repeats no more.It uses
When additional optical section model (such as 5.5mm or 6.0mm for chasing after strong type lens determined according to the size in art eye mother crystal optics area
Deng).The main notch of original operation is implanted into or separately prepares transparency cornea or corneosclera notch when use, is implanted into anterior chamber under mydriasis state
Afterwards, it is unfolded naturally, the positioning hole that positioning hook protrudes on support portion, which adds this, chases after Nang Kou before strong type intraocular lens is integrally implanted into, ware
Shape recess is agreed with mother crystal optical section, and before being placed in its support portion under capsule, and assistance, which is fixed this and added, chases after strong type intraocular lens.
Part person of long duration after intraocular lens implantation for the first time, front and back capsule or preceding capsule and mother crystal optical section adhesion person, need in advance into
Row anterior capsule is separated with mother crystal, additional chases after strong type intraocular lens to fix this.Entire surgical procedure can be maintained in viscoelastic agent
It is carried out under anterior chamber, or maintains to carry out under anterior chamber in anterior chamber's perfusion.
Below with reference to embodiment three and example IV detailed description there is the additional of " clamping part " to chase after strong type intraocular lens.
Embodiment three.
As shown in Figure 7 and Figure 8, it is added the present embodiment provides one kind and chases after strong type intraocular lens, comprising: optical section (1) and use
In the fixation kit for positioning the optical section (1)；The fixation kit for along the radial symmetric of the optical section (1) be arranged in institute
State the clamping part (3) in wing of optical section (1) two sides.
Each clamping part (3) includes: front wing (11) and rear wing (12)；The front wing (11) is along the outer of the optical section (1)
Side circle distribution simultaneously connects the optical section (1), and the rear wing (12) connect with the inner surface of the optical section (1), to make
The front wing (11) and the rear wing (12) form wing bayonet arrangement.
Preferably, the curvature of front wing (11) upper surface is consistent with the curvature of the optical section (1).
The front wing (11) includes the first front wing (110) and the second front wing (112), first front wing (110) and described
There is preset space length between second front wing (112)；The rear wing (12) is equipped with positioned at first front wing (110) and described the
The aperture of the second positioning hole (6) between two front wings (112), second positioning hole (6) is less than or equal to the preset space length.
As an example, the rear wing (12) is L shape, and the interior table of the end of the rear wing (12) and the optical section (1)
Face connection, to make to form spacing between the front wing (11) and the rear wing (12).
As shown in figure 8, the spacing in two clamping parts between corresponding rear wing (12) can be according to preceding capsule mouth diameter
It is set, such as 5.0mm, 5.25mm, 5.5mm, 5.75mm or 6.0mm.
The quantity of the rear wing (12) is one or more.Preferably, the quantity of second positioning hole (6) and it is described after
The quantity of the wing (12) is identical.
As shown in Figure 9 and Figure 10, when the quantity of the rear wing (12) is one (that is, single rear wing), the rear wing (12)
Wing bayonet arrangement is formed with the first front wing (110) and the second front wing (112).In use, the rear wing (12) fills in pouch
Under preceding capsule, first front wing (110) and the second front wing (112) are located on preceding capsule, that is, the rear wing (12) is located at the one of preceding capsule
Side, first front wing (110) and the second front wing (112) are located at the other side of preceding capsule, so that the wing bayonet arrangement be made to press from both sides
The edge for holding Nang Kou before supporting, making this, additional to chase after strong type intraocular lens fixed in place.
As shown in figure 11, when the quantity of the rear wing (12) is multiple, each rear wing (12) for being set side by side it is described
The distance between outer rim of end and the optical section (1) gradually increasing or decreasing, to make multiple rear wings (12) in remote one by one
From or close to the optical section (1) outer rim staged distribution, in the case, each rear wing (12) is respectively with described first
Front wing or the second front wing form wing bayonet arrangement, that is to say, that each clamping part has multiple wing bayonet arrangements.When use
Patient selects the rear wing of corresponding spacing to fill in front of corresponding rear wing (12) (that is, filling in corresponding wing card according to preceding capsule mouth size
In mouth structure).
In case where double rear wings, as shown in figure 12, when current capsule mouth is relatively large, selection has distal end (that is, close to institute
State the outer rim of optical section (1)) the wing bayonet arrangement of rear wing clamp before Nang Kou；As shown in figure 13, when current capsule mouth is relatively small, choosing
Select Nang Kou before the wing bayonet arrangement with proximal end (that is, outer rim far from the optical section (1)) rear wing clamps.
The present embodiment it is additional chase after strong type intraocular lens be suitable for having it is complete before capsule or mother crystal optical section difficult exposure
Patient.In use, according to capsule mouth size before art eye, determine fixation kit (i.e. clamping part) spacing model (for example, 5.0mm,
5.25mm, 5.5mm, 5.75mm or 6.0mm etc.).The main notch of original operation is implanted into or separately prepares transparency cornea when use or angle is consolidated
Film notch after being implanted into anterior chamber under mydriasis state, is unfolded naturally, hook of transposing protrude into the second positioning hole of clamping part by two sides it is suitable between
Away from rear wing fill in front of under capsule, the edge of Nang Kou before the wing bayonet clamp standoff that front wing and rear wing are formed, make this it is additional chase after it is strong
Type intraocular lens is fixed in place and before so that the optical section (1) is located at pouch.It is partially of long duration after intraocular lens implantation for the first time
Person, front and back capsule or preceding capsule and mother crystal optical section adhesion person need to carry out the separation at clamp standoff position in advance.Entirely performed the operation
Journey can maintain to carry out under anterior chamber in viscoelastic agent, or maintain to carry out under anterior chamber in anterior chamber's perfusion.
Example IV.
As shown in Figure 14 and Figure 15, chase after strong type intraocular lens the present embodiment provides one kind is additional, comprising: optical section (1) and
For positioning the fixation kit of the optical section (1)；The fixation kit is two clamping parts (3)；Each clamping part (3) packet
It includes: U-lag (13) and connecting rod (14)；One end of the connecting rod (14) connects the U-lag (13), the connecting rod (14) it is another
End is connect with the optical section (1)；The opening direction of the U-lag (13) are as follows: radial direction and separate institute along the optical section (1)
State the direction of optical section (1).
It is appreciated that the spacing in two clamping parts between corresponding U-lag (13) can be according to preceding capsule mouth diameter
It is set, such as 5.0mm, 5.25mm, 5.5mm, 5.75mm or 6.0mm.
The additional of the present embodiment chases after the edge Nang Kou before strong type intraocular lens is clamped using U-lag (13), thus by the light
The department of the Chinese Academy of Sciences (1) is located in pouch, and elastic material can be used in the connecting rod (14), and with the optical section (1) in the folder less than 90 °
Angle reduces the rigid support damage of pouch to realize the support to Nang Kou before different size.
The lens scope of application of the present embodiment is identical as embodiment three, therefore, repeats no more.Original operation main notch when use
Implantation separately prepares transparency cornea or corneosclera notch, after being implanted into anterior chamber under mydriasis state, is unfolded naturally, positioning hook assistance point
It does not collapse elasticity to fasten with a rope, string, etc. and make the edge of Nang Kou before U-lag clamp standoff, making this, additional to chase after strong type intraocular lens fixed in place.Part
Person of long duration after intraocular lens implantation for the first time, front and back capsule or preceding capsule and mother crystal optical section adhesion person, need to be pressed from both sides in advance
Hold the separation of support zone.Entire surgical procedure can maintain to carry out under anterior chamber in viscoelastic agent, or in the case where anterior chamber's perfusion maintains anterior chamber
It carries out.
Additional " optical section " for chasing after strong type intraocular lens of the embodiment of the present invention is described in detail below.
As an example, the through-hole (7) that the center setting diameter of the optical section (1) is 0.2~0.5mm, to guarantee that this is attached
Add the aqueous humor flowing chased after between strong type intraocular lens and mother crystal optical section, prevents interlayer albumen from accumulating and muddy generation.
In addition, as an example, the additional optical section Ametropia types for chasing after strong type intraocular lens can be white for the first time according to patient
Postcataract endophthalmitis refractive status is set as with Types Below: concave-sphere corrects (myopia/long sight), cylindrical mirror correction (astigmatism) and additional focus
Correction etc..
Concave-sphere correction: myopia/distance vision correction, diopter can be+5.0D ~ -5.0D.It is remained suitable for postcataract for the first time
Concave-sphere influences visual function.After being particularly suitable for Multifocal intraocular lens implantation, the postoperative generation of some patientss remains concave-sphere pair
Life influence is big, replacement crystal is at high cost.
Cylindrical mirror correction: astigmatism correction, levelling thickness range can be 0.75D ~ 6.0D, axis of astigmatism design and lens long axis phase one
It causes, optic edge can be equipped with axis of astigmatism and mark.Shadow is remained suitable for postcataract Surgical induced astigmatisn for the first time or astigmatism
Ring visual function person, according to patient's axis of astigmatism in art, Nang Kou clamping and Support Position after selecting the lens to be implanted into, it is fixed after not
Rotation position easily occurs and reduces rectification effect.
Additional focus correction: can be region refractive or diffraction type.The former is attached with+2.5D ~+4.0D view for optical section
Near region；The latter is the diffraction ring that anterior optic surface has concentric arrays, and whole refractive power can be 0D.By with before patient
The crystal optics portion of implantation combines, provide additional near vision or in away from eyesight focus.The additional focus correcting lens are applicable in
It is implanted into single focus intraocular lens person in cataract operation for the first time, is provided for it closely and middle apart from eyesight.Additional focus correction
The whole refractive power of lens can be 0D, can also add the concave-sphere or 0.75D ~ 6.0D cylindrical mirror diopter of 0 ~ ± 5.0D simultaneously, mention
Patient is corrected simultaneously for additional focus remains concave-sphere or mean of cylindrical diopter.
In addition, the embodiment of the present invention also provides this, additional to chase after strong type intraocular lens residual after chasing after strong intraocular lens implantation
Stay the application in the nearly difficulty of ametropia or view.
The embodiment of the present invention it is additional chase after strong type intraocular lens by fixation kit be clamped mother crystal optical section or
The mode holding position of Nang Kou is stablized before clamping, so that ametropia or view is closely difficult to be carried out to remaining after intraocular lens implantation
It chases after strong, effectively solves the problems, such as ametropia or near-sighted difficult, while avoiding inducing the symptoms such as iritis and intraocular hypertension complication.
Also, this is additional to chase after strong type intraocular lens structure and is applicable to the form of different patient's pouches and the size of preceding capsule mouth diameter.This
Outside, apply before mother crystal this it is additional chase after strong type intraocular lens, it is smaller to ophthalmic injuries.
Although being particularly shown and describing the present invention, those skilled in the art referring to its exemplary embodiment
It should be understood that in the case where not departing from the spirit and scope of the present invention defined by claim form can be carried out to it
With the various changes in details.
Claims (10)
1. one kind is additional to chase after strong type intraocular lens characterized by comprising optical section (1) and for positioning the optical section (1)
Fixation kit；
Wherein, the fixation kit is clamping portion (2), and the clamping portion (2) includes: interconnecting piece (20) and is located at the interconnecting piece
(20) bayonet part (22) on；The interconnecting piece (20) is distributed along the outer circumference of the optical section (1) and connects the optics
Portion (1)；
Alternatively, the fixation kit includes at least two clamping parts (3), each clamping part (3) includes: front wing (11) and rear wing
(12)；The front wing (11) is distributed along the outer circumference of the optical section (1) and connects the optical section (1), the rear wing
(12) it is connect with the inner surface of the optical section (1), so that the front wing (11) and the rear wing (12) be made to form wing bayonet
Structure；
Alternatively, each clamping part (3) includes: U-lag (13) and connecting rod (14)；One end of the connecting rod (14) and the U-lag
(13) it connects, the other end of the connecting rod (14) is connect with the optical section (1)；Wherein, the opening direction of the U-lag (13)
Are as follows: the radial direction along the optical section (1) and the direction far from the optical section (1).
2. as described in claim 1 add chases after strong type intraocular lens, which is characterized in that the interconnecting piece (20) are as follows: along described
It is L-shaped that the axial bending for convex edge (200) the Xiang Suoshu optical section (1) that optical section (1) extends radially outwardly, which is formed by section,
Structure；
Wherein, the bayonet part (22) are as follows: the aduncate claw (220) on the end of the L-shaped structure, institute are set
State the joint face arc transition of claw (220) Yu the L-shaped structure.
3. as claimed in claim 2 add chases after strong type intraocular lens, which is characterized in that the interconnecting piece (20) is equipped with first
Positioning hole (221), first positioning hole (221) are inclined outwardly through the convex edge (200) and extend to the L-shaped structure
It is internal.
4. as described in claim 1 add chases after strong type intraocular lens, which is characterized in that the interconnecting piece (20) are as follows: along described
The cyclic structure raised axially inwards of optical section (1)；The cyclic structure and the optical section (1) form ware shape structure；
Wherein, the bayonet part (22) are as follows: the notch (5) in the cyclic structure is set.
5. additional as described in any one claim in Claims 1-4 chases after strong type intraocular lens, which is characterized in that institute
It states to add and chases after strong type intraocular lens further include: at least two support portions (4), radial direction of each support portion (4) along the optical section
Outer circumference in the optical section (1) is set and is connect with the optical section (1)；
Wherein, each support portion (4) is the monolithic plank frame in wing.
6. as described in claim 1 add chases after strong type intraocular lens, which is characterized in that the curvature of front wing (11) upper surface
It is consistent with the curvature of the optical section (1)；
The rear wing (12) is L shape, and the end of the rear wing (12) is connect with the inner surface of the optical section (1), to make
Spacing is formed between the front wing (11) and the rear wing (12).
7. as claimed in claim 6 add chases after strong type intraocular lens, which is characterized in that the quantity of the rear wing (12) is one
Or it is multiple；
Wherein, when the quantity of the rear wing (12) is multiple, the end for each rear wing being set side by side and the optics
The distance between the outer rim in portion (1) gradually increasing or decreasing, to make multiple rear wings in one by one far from or close to the optical section
(1) staged of outer rim is distributed.
8. as claimed in claims 6 or 7 additional chases after strong type intraocular lens, which is characterized in that the front wing (11) includes first
Front wing (110) and the second front wing (112) have between first front wing (110) and second front wing (112) between making a reservation for
Away from；
Wherein, the rear wing (12) is equipped with second between first front wing (110) and second front wing (112)
The aperture of positioning hole (6), second positioning hole (6) is less than or equal to the preset space length.
9. as described in claim 1 add chases after strong type intraocular lens, which is characterized in that the center setting of the optical section (1)
Diameter is the through-hole (7) of 0.2~0.5mm.
10. it is as described in claim 1 additional chase after strong type intraocular lens remained after chasing after strong intraocular lens implantation it is ametropia
Or the application in the nearly difficulty of view.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531972.6A CN110151394A (en) | 2019-06-19 | 2019-06-19 | It is additional to chase after strong type intraocular lens and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531972.6A CN110151394A (en) | 2019-06-19 | 2019-06-19 | It is additional to chase after strong type intraocular lens and its application |
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|---|---|
| CN110151394A true CN110151394A (en) | 2019-08-23 |
Family
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|---|---|---|---|
| CN201910531972.6A Pending CN110151394A (en) | 2019-06-19 | 2019-06-19 | It is additional to chase after strong type intraocular lens and its application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220280283A1 (en) * | 2014-09-22 | 2022-09-08 | Onpoint Vision, Inc. | Intraocular pseudophakic contact lens with mechanism for securing by anterior leaflet of capsular wall and related system and method |
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