CN209360997U - A kind of band iris is every artificial lens - Google Patents
A kind of band iris is every artificial lens Download PDFInfo
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- CN209360997U CN209360997U CN201821640326.0U CN201821640326U CN209360997U CN 209360997 U CN209360997 U CN 209360997U CN 201821640326 U CN201821640326 U CN 201821640326U CN 209360997 U CN209360997 U CN 209360997U
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- iris
- button loop
- area
- artificial lens
- band
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Abstract
The utility model provides a kind of band iris every artificial lens, belongs to medical instruments field.This with iris every artificial lens include central transparent optics area, iris septal area and the button loop being connected；Central transparent optics area is circle, and the iris septal area is annular, the two concentric；The button loop is located at the outside of iris septal area, and connect with the outer rim of iris septal area.The utility model matter is soft, biocompatibility and stability are good, foldable, using integrated design, it can be intraocular by the corneal incision implantation of 3mm, without suturing corneal incision, operating time is short, and postoperation recovery is fast, astigmatism is small, central optical clear area refractive index is high, visual quality is good, and iris is personalized, reaches cosmetic result；The design of button loop right angle side side, button loop are 10 ° every the angle of plane with optics area iris, so that posterior capsulotomy is close in intraocular lens optic iris face, reduce the generation of After Cataract, while being based on being provided with good stability placed in the middle using 3 buttons loop.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of band iris is every artificial lens.
Background technique
The patient of iridocoloboma or congenital aniridia often has apparent photophobia symptom after eye traumas, and is implanted into conventional back room
Photophobia symptom is unable to improve after type artificial lens, monodiplorpia can also occurs because of the different refractive index in artificial lens ambitus,
In order to avoid photophobia and monodiplorpia, such patient usually needs to wear coloring contact lens.However, long periods of wear cornea connects
Mirror is touched, keratitis and angle conjunctival damage are easy to cause, meanwhile, contact lens needs stringent clean and daily
It wears and takes out, periodically also to replace, it is very inconvenient, and making patients' financial burden, it is also easy to cause the generation of infection, this
A little problems perplex patient extremely.
Sundmacher in 1994 etc. is reported to be solved after patient trauma every artificial lens without crystalline substance using band black iris
For shape body eye with iridocoloboma problem, curative effect is satisfied.This becomes one of the research hotspot of eye traumas treatment aspect.It is main at present
The posterior chamber type band black iris of selection is every rigid artificial lens, basic parameter are as follows: overall length: 12.5mm, body portion: 10mm, biconvex
Shape, A constant: 118.1, PMMA materials, optic diameter 5mm, peripheral 2.5mm wide are black PMMA iris, are fastened with a rope, string, etc. C-shaped.It is this
Artificial lens needs 10mm wide corneal incision that can be implanted into because of rigid material, and damage is big, and button loop is fragile easy to crack, and suture is made to fix
Existing difficulty, the fixed suture of the sclera of double buttons loop is easy to cause artificial lens inclination, displacement, while Postoperative inflammatory reaction and pigment fall off
The more common artificial lens weight of phenomenon, easy secondary glaucoma and macular cystoid edema, cause ophthalmodynia, visual impairment；Simultaneously because cutting greatly
The big astigmatism of cornea caused by mouthful is restored to influence also very big on patient's Postoperative visual acuity；In addition, black iris and most of compatriots' brown
Iris color is inconsistent, and eyes symmetry is poor, unsightly.
Except such band iris is every in addition to artificial lens, there are also multi-disc sector artificial iris capsular tension ring implantation joint is artificial brilliant
The modus operandi of body implantation is available, but there are lens capsule bag implantation space is crowded, surgical procedure is complicated, black PMMA
The disadvantages of power ring easy fracture.
Therefore, to solve the above problems, one germplasm of invention is soft, it is foldable after by small notch implantation intraocularly, while can be with
The band iris of personalized customization iris color is very necessary every artificial lens.
Utility model content
Utility model aims to solve above-mentioned problem existing in the prior art, a kind of band iris is provided every artificial
Crystal can be placed securely within the eye, and the ametropia of patient can be made to be corrected, the Postoperative visual acuity obtained, simultaneously
The photophobia sense of patient is eliminated, and personalized iris color can be customized, plays the role of beauty.
The utility model is achieved through the following technical solutions:
A kind of band iris is every artificial lens, including central transparent optics area, iris septal area and the button loop being connected；
Central transparent optics area is circle, and the iris septal area is annular, the two concentric；
The button loop is located at the outside of iris septal area, and connect with the outer rim of iris septal area.
The shape of the button loop is isosceles triangle, and apex angle is located in iris septal area；
Two waists of the button loop are connect with the outer rim of iris septal area；
The symmetry axis of the button loop is located on the straight line where the diameter in central transparent optics area.
The bottom edge of the button loop is straight line or camber line；
The outer rim at two base angles of the button loop is fillet；
The shape of the cross section of the button loop is rectangle；
The deflection angle in each face of the button loop is rectangular, and polishes smooth.
The angle of the plane where plane and iris septal area where the button loop is 6 ° -18 °；
In the diametrical direction of iris septal area, the height of the outer rim at the center of the bottom edge outer rim of the button loop to iris septal area is
2-4mm；
The width on the bottom edge of the button loop is 5-8mm.
Preferably, the angle of the plane where the button loop and the plane where iris septal area is 10 °；
In the diametrical direction of iris septal area, the height of the outer rim at the center of the bottom edge outer rim of the button loop to iris septal area is
2.5mm；
The width on the bottom edge of the button loop is 7mm.
Button loop hole is provided on each button loop；
It is described button loop hole shape be isosceles triangle, three distinguish while with the three of the button loop it is parallel；
Groove is equipped at the middle part on the bottom edge in the button loop hole.
The band iris includes three buttons loop every artificial lens, and three buttons loop are circumferentially uniformly distributed.
Central transparent optics area is biconvex structure, a diameter of 4-6mm, with a thickness of 0.30-1.0mm.
The iris septal area is planar structure, and the width of annular is 2-3mm, with a thickness of 0.90mm.
The band iris is made every artificial lens of hydrophilic acrylate；
Central transparent optics area is transparent；
The iris septal area be it is coloured, color includes brown, dark brown or black.
Compared with prior art, the utility model has the beneficial effects that the utility model matter is soft, biocompatibility and stabilization
Property it is good, it is foldable, can be intraocular by the corneal incision implantation of 3mm using integrated design, without suturing corneal incision, perform the operation
Time is short, and postoperation recovery is fast, astigmatism is small, and central optical clear area refractive index is high, and visual quality is good, and iris is every color personalizable
Customization, reaches cosmetic result；It fastens with a rope, string, etc. the design of right angle side side, button loop is with optics area iris every 10 ° of angle of plane, so that artificial brilliant
Bulk optics iris is close to posterior capsulotomy every face, reduces the generation of After Cataract, while based on using 3 buttons loop, having
Good stability placed in the middle, generates good dioptric effect at a possibility that reducing eccentric and inclination.
Detailed description of the invention
Fig. 1 is the schematic top plan view of the utility model；
Fig. 2 is the longitudal section schematic diagram of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
The utility model uses band black iris every the traumatic aphakic eye of artificial lens implanted treatment with most of rainbow
Film defect or iris are completely without three triangle buttons loop can be used suture and be fixed on ciliary groove through sclera, place artificial lens securely
Within the eye, become the barrier in front and back room.Central transparent optics area makes patient is ametropia to be corrected, and obtains preferable postoperative view
Power.Artificial iris eliminates the photophobia sense of patient, and personalized customization iris color every blocking the excessive light for entering eyeball,
Play the role of beauty.
As shown in Figure 1, a kind of band iris is every artificial lens, it is related to medical instruments field；It includes: central transparent optics
Area 1, peripheral ring around iris septal area 2 and button loop 4 composition.This artificial lens is integral type collapsible constructions, and material is selected from hydrophilic
Property acrylate, have good biocompatibility and stability, anti-hyun light, be easily implantable.It is soft, it can pass through after folding
The implantation of 3.0mm corneal incision is intraocular, and without suturing corneal incision, central transparent optical zone refractive rate is high, and optical quality is good, and three
Button loop can be fixed on ciliary groove by sclera suture, also can plant in pouch, as shown in Fig. 2, each button loop is with optics iris every plane
10 ° of angle, the corner of button loop is designed using right angle side side, that is, the cross section fastened with a rope, string, etc. is rectangle, and the deflection angle in each face is rectangular, and
And polish smooth, so that intraocular lens optic iris face is close to posterior capsulotomy in this way, the hair of After Cataract can be reduced
It is raw.Iris can carry out personalized customization according to Second eye iris color every color, and brown, dark brown or black etc. may be selected
Deng, by the hydrophilic acrylate of iris septal area be coloured to customization color, after implantation can avoid aniridia patient fear
Optical phenomenon, while appearance is naturally beautiful.
Described with iris is biconvex structure every the central transparent optics area 1 in artificial lens, central transparent optics area 1
Diameter is 4-6mm, and central transparent optics area's thickness determines that (Fig. 2 is only by thickness about 0.30-1.0mm according to the degree of artificial lens
It is only that the thickness in central transparent optics area is exaggerated in Fig. 2 in order to show biconvex structure, is simultaneously by a schematic diagram
Guarantee the terseness of figure, the button loop on rear side of vertical section is not drawn.).Iris septal area 2 is planar structure, and cyclic annular width is 2-
3mm (i.e. the big 2-3mm of radius in the radius ratio central transparent optics area 1 of the outer most edge of iris septal area 2), the thickness of iris septal area is
0.90mm。
For stability, devises 3 buttons loop, 4,3 buttons loop and be evenly distributed on the circumference of the outer rim of iris septal area 2,3 buttons loop are
The bottom edge of triangle, triangle can fasten with a rope, string, etc. and use with arc-shaped pouch good fit, triangle or triangle bottom edge arc
The apex angle of isosceles triangle, isosceles triangle is located in iris septal area 2, and two waists are fixedly connected with the edge of iris septal area 2, isosceles
The bottom edge of triangle is straight line or camber line, and the outer rim at two base angles of isosceles triangle is fillet.Two neighboring button loop is in circumference
On be separated by 120 °, which ensures that the symmetrical of mechanics and stablize.So that entire artificial lens has good stability placed in the middle, and
It can produce extraordinary dioptric effect, because of artificial lens once deviation or inclination within the eye, then will lead to astigmatism and generate picture
Difference causes visual quality to decline, and band can ensure that position of intraocular lens is placed in the middle there are three the artificial lens fastened with a rope, string, etc., unbiased, so
Ensure good visual quality.Design has button loop hole 3 on button loop 4, can be used for sclera suture and is fixed on ciliary groove, is suitable for without crystalline
Somatocyst film patient, button loop hole 3 are similarly isosceles triangle, three distinguish while with fasten with a rope, string, etc. three it is parallel, at the middle part on its bottom edge
Equipped with groove, for fixing sclera suture, such sclera suture is stuck in groove, (will not be owned along the bottom edge sliding in button loop hole 3
It is all provided with fluted in button loop hole, only depicts groove in Fig. 2 in uppermost button loop hole, the groove in other two holes of fastening with a rope, string, etc. is not drawn
Out.).Height of the edge in the diametrical direction of iris septal area 2 of the center on the bottom edge of button loop 4 to iris septal area 2 is 2-4mm, excellent
Select 2.5mm, fasten with a rope, string, etc. 4 bottom edge width be 5-8mm, preferably 7mm.The angle of plane of each button loop 4 where with iris septal area is 6 °-
18 °, preferably 10 °.
Above-mentioned technical proposal is a kind of embodiment of the utility model, for those skilled in the art,
On the basis of the utility model discloses principle, it is easy to make various types of improvement or deformation, be not limited solely to this reality
The structure described in novel above-mentioned specific embodiment, thus it is previously described only preferred, and it is not restrictive
Meaning.
Claims (10)
1. a kind of band iris is every artificial lens, it is characterised in that: it is described with iris every artificial lens include the center being connected
Transparent optical area, iris septal area and button loop；
Central transparent optics area is circle, and the iris septal area is annular, the two concentric；
The button loop is located at the outside of iris septal area, and connect with the outer rim of iris septal area；
The shape of the button loop is isosceles triangle, and apex angle is located in iris septal area；
Two waists of the button loop are connect with the outer rim of iris septal area.
2. band iris according to claim 1 is every artificial lens, it is characterised in that:
The symmetry axis of the button loop is located on the straight line where the diameter in central transparent optics area.
3. band iris according to claim 2 is every artificial lens, it is characterised in that:
The bottom edge of the button loop is straight line or camber line；
The outer rim at two base angles of the button loop is fillet；
The shape of the cross section of the button loop is rectangle；
The deflection angle in each face of the button loop is rectangular, and polishes smooth.
4. band iris according to claim 3 is every artificial lens, it is characterised in that: plane and iris where the button loop every
The angle of plane where area is 6 ° -18 °.
5. band iris according to claim 4 is every artificial lens, it is characterised in that: in the diametrical direction of iris septal area,
The center of the bottom edge outer rim of the button loop to iris septal area outer rim height be 2-4mm；
The width on the bottom edge of the button loop is 5-8mm.
6. band iris according to claim 5 is every artificial lens, it is characterised in that: plane and iris where the button loop every
The angle of plane where area is 10 °；
In the diametrical direction of iris septal area, the height of the outer rim at the center of the bottom edge outer rim of the button loop to iris septal area is
2.5mm；
The width on the bottom edge of the button loop is 7mm.
7. band iris according to claim 6 is every artificial lens, it is characterised in that: be provided with button loop hole on each button loop；
It is described button loop hole shape be isosceles triangle, three distinguish while with the three of the button loop it is parallel；
Groove is equipped at the middle part on the bottom edge in the button loop hole.
8. band iris according to claim 7 is every artificial lens, it is characterised in that: the band iris includes every artificial lens
Three buttons loop, three buttons loop are circumferentially uniformly distributed.
9. -8 any band irises are every artificial lens according to claim 1, it is characterised in that: central transparent optics area
For biconvex structure, a diameter of 4-6mm, with a thickness of 0.30-1.0mm；
The iris septal area is planar structure, and the width of annular is 2-3mm, with a thickness of 0.90mm.
10. band iris according to claim 9 is every artificial lens, it is characterised in that:
The band iris is made every artificial lens of hydrophilic acrylate；
Central transparent optics area is transparent；
The iris septal area be it is coloured, color includes brown, dark brown or black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640326.0U CN209360997U (en) | 2018-10-10 | 2018-10-10 | A kind of band iris is every artificial lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821640326.0U CN209360997U (en) | 2018-10-10 | 2018-10-10 | A kind of band iris is every artificial lens |
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| CN209360997U true CN209360997U (en) | 2019-09-10 |
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| CN201821640326.0U Active CN209360997U (en) | 2018-10-10 | 2018-10-10 | A kind of band iris is every artificial lens |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111419471A (en) * | 2020-03-05 | 2020-07-17 | 姚晓明 | Artificial cornea |
| CN111467078A (en) * | 2020-05-08 | 2020-07-31 | 泰州金云医疗器械有限公司 | Foldable veterinary intraocular lens |
| CN111973315A (en) * | 2020-09-02 | 2020-11-24 | 岳阳爱尔眼科医院有限公司 | Colored artificial lens |
-
2018
- 2018-10-10 CN CN201821640326.0U patent/CN209360997U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111419471A (en) * | 2020-03-05 | 2020-07-17 | 姚晓明 | Artificial cornea |
| CN111467078A (en) * | 2020-05-08 | 2020-07-31 | 泰州金云医疗器械有限公司 | Foldable veterinary intraocular lens |
| CN111973315A (en) * | 2020-09-02 | 2020-11-24 | 岳阳爱尔眼科医院有限公司 | Colored artificial lens |
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