CN102090942A - Artificial iris using fastening wires for fixing in eye - Google Patents
Artificial iris using fastening wires for fixing in eye Download PDFInfo
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- CN102090942A CN102090942A CN2011100394616A CN201110039461A CN102090942A CN 102090942 A CN102090942 A CN 102090942A CN 2011100394616 A CN2011100394616 A CN 2011100394616A CN 201110039461 A CN201110039461 A CN 201110039461A CN 102090942 A CN102090942 A CN 102090942A
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- artificial iris
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- iris
- button loop
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Abstract
The invention relates to an artificial iris using fastening wires for fixing in an eye. The artificial iris comprises an artificial iris diaphragm and the fastening wires for fixing, wherein the artificial iris diaphragm has a transparent disc structure, the center of which is provided with a hole, and pores are distributed on the artificial iris diaphragm; and the number of the fastening wires for fixing is more than 1, the fastening wires are distributed in central symmetry, and the fastening wire bodies are provided with expanded parts. The artificial iris can further comprise a transparent film, and the edge of the transparent film is combined with the artificial iris diaphragm to form a sac for fixing an intraocular lens. The artificial iris solves the problems that the conventional artificial iris needs to be sutured at the eye and the intraocular lens cannot be implanted into the human eye without a lens capsule. The artificial iris can be used for treating the human eyes of eye traumas or pathological iridocoloboma, and plays a role of a natural iris; and the artificial iris further comprising the intraocular lens sac can be used for treating lens-free eyes without irises or lens sacs.
Description
Technical field
The present invention relates to a kind of artificial iris, specifically, relate to and a kind ofly do the fixed artificial iris of ophthalmic with button loop silk.
Background technology
Pathological changes or wound may cause the atrophy of iris disappearance, and the control luminous energy power of eye and the effect of restriction aberration are disappeared, and visual function is in low state for a long time.Because the iris of atrophy disappearance can't make it regeneration by means such as medicines at present, can only use the mode of operation to repair.Modus operandi commonly used has iris suture and artificial iris to implant.Iris suture is an elasticity of utilizing remaining normal iris tissue, with the iris tissue sutured together, plays the effect of certain control light and restriction aberration.It is to utilize artificial material instead of part or whole iris to fix within the eye that artificial iris is implanted.
At present ophthalmic fixedly artificial graft's thing mainly contain the fixedly dual mode of supporting way and suture of fastening with a rope, string, etc.:
The button loop supporting way is in the space of a limitation sealing, uses button loop to withstand the end of enclosed space, plays the effect of support, and the operation technique of this mode is the easiest, such as artificial intraocular lenses's capsule bag internal fixation.Carry out but this method is only limited in the space of limitation sealing, and be not suitable for the iris graft that angle, pro-room or ciliary groove etc. locate and fix.
The suture fixed form is by toe-in artificial graft's thing to be fixed after suture will being passed tissue, and this mode is low to the integrity requirement of tissue, but the knotting of enclosed space within the eye is very difficult, and the operation technique difficulty is big, and precision is limited.
Existing artificial iris normally is fixed on the remaining iris with suture way or in iris root or the ciliary groove.This mode needs to carry out the complicated suture and the operation of knotting in the space of narrow within the eye and sealing, and the difficulty of operation is big, has limited carrying out of this kind operation.Make the patient of numerous coloboma of iris can not get effective treatment.
In addition, because pathological changes or wound cause the patient of atrophy of iris disappearance, tend to occur together lenticular disease or wound not only cataract can occur, also may be attended by the pathological changes even the disappearance of crystal capsule bag.When the treatment cataract, need the implantable artificial crystal, but because the pathological changes even the disappearance of crystal capsule bag increase artificial intraocular lenses's fixedly difficulty.If crystal capsule bag pathological changes is serious or disappearance, then need artificial intraocular lenses's suture fixation to be fixed in the ciliary groove.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of artificial iris, it carries out ophthalmic by the button loop silk and fixes, the silk of will fastening with a rope, string, etc. penetrates scleral walls, with the elasticity of button loop silk and the part of expanding artificial iris is fixed on the scleral walls, thereby avoided suture to fix the operation of this class complicated operation, and can be firm be fixed on the scleral walls.
For solving the problems of the technologies described above, artificial iris of the present invention comprises that artificial iris is every using the button loop silk with fixing, wherein:
Described artificial iris be divided into central authorities foraminous opaque disc-shaped structure, and artificial iris every on also be distributed with aperture;
Described fixing number with button loop silk is greater than 1 and for centrosymmetry distributes, and in the filament portion that fastens with a rope, string, etc. the part of expanding arranged.
Preferably, described artificial iris every outer circumference diameter be 8-12mm, thickness is 0.2-0.6mm, the aperture of medium pore is 3-6mm.
Preferably, described artificial iris every thickness be the mode profile that central authorities are thin, the edge is thick, wherein the thickness near medium pore is 0.2-0.4mm, submarginal thickness is 0.4-0.6mm.
The current of buying a house in installments that act as of described aperture lead to, and preferred, the number of aperture is 1-3, and diameter is 0.2-0.25mm.
Preferably, the number of described button loop silk is 3 or 4, and length is 5-7mm, and thickness is 0.3-0.5mm, and width is 0.4-0.6mm, and the top of described button loop silk is anti-slip T shape, zigzag, barb-like structure.
Describedly expand acting as of part and be stuck in the sclerotic puncture mouth and sentence and reach the fixed purpose of ophthalmic, preferably, described number of expanding part is 1-3, when expanding the number of part during greater than 1, can select a place to expand part according to the size of eyeball and fix.
Preferably, described artificial iris every on also further be distributed with the crack, this crack act as the convenient operating theater instruments of using.More preferably, the number in described crack is 1-3, and length is 1.5-2.5mm.
Preferably, above-mentioned artificial iris includes but not limited to silica gel, polyethylene, PMMA (polymethyl methacrylate), acrylate etc. every using the button loop silk by any identical or different biocompatible materials with fixing.
Preferably, above-mentioned artificial iris is every with fixing one-body molded by casting film with the button loop silk, thereby do not need polishing punching to wait reworking, clean, encapsulation, can be after sterilizing for clinical use.
Preferably, above-mentioned artificial iris every in comprise light shield layer, described light shield layer is metal forming, carbon powder or the macromolecule print film of printed iris pattern.
As a kind of improvement of the present invention, described artificial iris every one side can further include the layer of transparent film, described hyaline membrane edge and artificial iris form the capsule bag every combining, and are used for fixing the artificial intraocular lenses.
Preferably, be distributed with number on the described hyaline membrane greater than 1 and the circular-arc projection that distributes for centrosymmetry, it is placed in the middle to be used to limit intraocular lens optic portion.Preferred, the formed interior diameter of circular-arc projection that described centrosymmetry distributes is 5.5-7mm.
Preferably, be distributed with aperture on the described hyaline membrane, and the position of this aperture is corresponding every the position and the size of last aperture with above-mentioned artificial iris with size.
Preferably, described hyaline membrane central authorities have diameter to be not more than the hole of 6mm, are used to keep avoid forming dead space with extraneous the communication in the hyaline membrane.
Artificial iris of the present invention can be used for treating the human eye of ocular injury or pathologic coloboma of iris, plays the effect of natural iris, and comprises that further the artificial iris of artificial intraocular lenses's capsule bag can be used for treating the aphakia that aniridia does not have crystal capsule bag.
When artificial iris of the present invention is implanted in operation, earlier artificial iris is curled after implantation device is implanted the anterior chamber, after treating that it launches naturally, through the sclerotic puncture mouth with entry needle will fasten with a rope, string, etc. the silk be directed to outside the sclera, because button loop wire material elastical retraction, select a place to expand part according to the needs of eyeball size and be stuck in sclerotic puncture mouth place, prunes unnecessary button loop and thread then bury fixingly in the sclera flaggy, it is fixing not need additionally to sunken cord.
As what implant is the artificial iris that has hyaline membrane, then carrying out follow-up artificial intraocular lenses when implanting, earlier the artificial intraocular lenses is implanted the anterior chamber, artificial intraocular lenses's button loop is displaced to after the artificial iris then, the button loop horizontal positioned also can partly be stuck in intraocular lens optic between the circular-arc projection of artificial iris hyaline membrane.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in more detail.
Fig. 1 is the plane graph of first kind of embodiment of the artificial iris of the present invention.
Fig. 2 is the profile of first kind of embodiment of the artificial iris of the present invention.
Fig. 3 is the plane graph of second kind of embodiment of the artificial iris of the present invention.
Fig. 4 is the profile of second kind of embodiment of the artificial iris of the present invention.
The specific embodiment
By artificial iris plane graph shown in Figure 1 and artificial iris profile shown in Figure 2 as can be known, artificial iris comprises that artificial iris is every 1 and fixing with button loop silk 2; Wherein artificial iris is every 1 being central authorities' opaque disc-shaped structures of porose 3, and its outer circumference diameter is 11mm, and thickness is 0.4mm; The aperture of medium pore 3 is 5mm.Artificial iris every on also be distributed with 3 apertures 4, the diameter of each aperture 4 is 0.2mm.
Fixing number with button loop silk 2 is 4, distributions that be centrosymmetric, and each button loop filament length degree is 6mm, and thickness is 0.3mm, and width is 0.4mm, and has 2 to expand part 5 on the button loop silk, and a described top 6 of fastening with a rope, string, etc. thread is anti-slip barb-like structure.
When the artificial iris of present embodiment is implanted in operation, earlier artificial iris is curled after implantation device is implanted the anterior chamber, after treating that it launches naturally, with No. 25 entry needles 4 button loop silks are directed to respectively outside the sclera of 3 points, 6 points, 9 and 12 directions, because button loop wire material elastical retraction, select a place to expand according to the needs of eyeball size and partly be stuck in sclerotic puncture mouth place, pruning unnecessary button loop silk back buries fixing in the sclera flaggy, it is fixing not need additionally to sunken cord, and can make the iris diaphragm plane consistent with former iris root ring plain effectively.
By artificial iris plane graph shown in Figure 3 and artificial iris profile shown in Figure 4 as can be known, artificial iris comprises that artificial iris is every 1, fixing with button loop silk 2 and hyaline membrane 7; Wherein artificial iris is every 1 being central authorities' opaque disc-shaped structures of porose 3, and its outer circumference diameter is 10mm, is 0.3mm near the thickness of medium pore 3, and submarginal thickness is 0.5mm; The aperture of medium pore 3 is 4mm.Artificial iris every on also be distributed with 2 apertures 4, the diameter of each aperture 4 is 0.25mm, in addition, artificial iris every on crack 11 that also to be distributed with 2 length be 2mm.This artificial iris also includes light shield layer 8 in 1.
Fixing number with button loop silk 2 is 3, the distribution that is centrosymmetric, and each button loop filament length degree is 7mm, and thickness is 0.4mm, and width is 0.5mm, and on the button loop silk 3 equidistant parts 5 of expanding is arranged, and the top 6 of described button loop silk is anti-slip T shape structure.
The edge of hyaline membrane 7 combines every 1 edge with artificial iris and forms the capsule bag, is distributed with 2 circular-arc projections 9 that are centrosymmetric and distribute on the hyaline membrane 7, and described 2 formed interior diameters of circular-arc projection are 6-7mm; Also be distributed with 2 position and big or small corresponding apertures 10 with the aperture 4 of artificial iris on 1 on the hyaline membrane; It is the hole of 3-5mm that there is a diameter in hyaline membrane central authorities.
When this artificial iris is implanted in operation, earlier artificial iris is curled after implantation device is implanted the anterior chamber, after treating that it launches naturally, with No. 25 entry needles 3 button loop silks are directed to respectively outside the sclera of 10 points, 2 and 6 directions, because button loop wire material elastical retraction, select a place to expand according to the needs of eyeball size and partly be stuck in sclerotic puncture mouth place, pruning unnecessary button loop silk back buries fixing in the sclera flaggy, it is fixing not need additionally to sunken cord, and can make the iris diaphragm plane consistent with former iris root ring plain effectively.Carrying out follow-up artificial intraocular lenses when implanting, earlier the artificial intraocular lenses is being implanted the anterior chamber, then artificial intraocular lenses's button loop is being displaced to after the artificial iris, the button loop horizontal positioned partly is stuck in intraocular lens optic between the circular-arc projection of artificial iris hyaline membrane.
Claims (16)
1. artificial iris comprises that artificial iris is every (1) and fixing with button loop silk (2), wherein:
Described artificial iris be divided into central authorities porose (3) opaque disc-shaped structure, and artificial iris every on also be distributed with aperture (4);
Described fixing number with button loop silk (2) is greater than 1 and for centrosymmetry distributes, and has in button loop filament portion and to expand partly (5).
2. artificial iris according to claim 1, wherein said artificial iris is 8-12mm every the outer circumference diameter of (1), and thickness is 0.2-0.6mm, and the aperture of medium pore (3) is 3-6mm.
3. artificial iris according to claim 2, wherein said artificial iris is the mode profile that central authorities are thin, the edge is thick every the thickness of (1), and wherein the thickness near medium pore is 0.2-0.4mm, and submarginal thickness is 0.4-0.6mm.
4. artificial iris according to claim 1, the number of wherein said aperture (4) are 1-3, and diameter is 0.2-0.25mm.
5. artificial iris according to claim 1, the number of wherein said button loop silk (2) is 3 or 4.
6. artificial iris according to claim 5, the length of wherein said button loop silk (2) is 5-7mm, and thickness is 0.3-0.5mm, and width is 0.4-0.6mm; The top (6) of described button loop silk is T shape, zigzag or barb-like structure.
7. artificial iris according to claim 1, wherein said number of expanding part (5) is 1-3.
8. artificial iris according to claim 1, artificial iris every on also further be distributed with crack (11).
9. artificial iris according to claim 8, the number of wherein said crack (11) are 1-3, and length is 1.5-2.5mm.
10. artificial iris according to claim 1, wherein said artificial iris further include light shield layer (8) in (1), described light shield layer is metal forming, carbon powder or the macromolecule print film of printed iris pattern.
11. artificial iris according to claim 1, wherein said artificial iris every (1) and fixing be integrated with button loop thread (2) by casting film.
12. according to each described artificial iris among the claim 1-11, it further comprises hyaline membrane (7), the edge of described hyaline membrane (7) combines every the edge of (1) with artificial iris and forms the capsule bag.
13. artificial iris according to claim 12 is distributed with number greater than 1 and the circular-arc projection (9) that distributes for centrosymmetry on the wherein said hyaline membrane (7).
14. artificial iris according to claim 13, the formed interior diameter of wherein said circular-arc projection (9) is 5.5-7mm.
15. artificial iris according to claim 12 is distributed with position and big or small corresponding aperture (10) with the aperture (4) of artificial iris on (1) on the wherein said hyaline membrane (7).
16. artificial iris according to claim 12, wherein said hyaline membrane (7) central authorities have diameter to be not more than the hole (12) of 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110039461 CN102090942B (en) | 2011-02-17 | 2011-02-17 | Artificial iris using fastening wires for fixing in eye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110039461 CN102090942B (en) | 2011-02-17 | 2011-02-17 | Artificial iris using fastening wires for fixing in eye |
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| CN102090942A true CN102090942A (en) | 2011-06-15 |
| CN102090942B CN102090942B (en) | 2013-11-06 |
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| CN 201110039461 Expired - Fee Related CN102090942B (en) | 2011-02-17 | 2011-02-17 | Artificial iris using fastening wires for fixing in eye |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264787A (en) * | 2015-05-18 | 2017-01-04 | 爱博诺德（苏州）医疗器械有限公司 | A kind of artificial iris fixing intraocular lens and material thereof and processing method |
| CN106308977A (en) * | 2016-08-31 | 2017-01-11 | 厦门大学附属厦门眼科中心 | Artificial iris with a capsule |
| CN108567508A (en) * | 2017-03-07 | 2018-09-25 | 爱博诺德（北京）医疗科技有限公司 | Intraocular implant |
| CN109124828A (en) * | 2018-09-05 | 2019-01-04 | 厦门大学附属厦门眼科中心有限公司 | Sclera fixed artificial lens and its alignment methods |
| US10973624B1 (en) | 2020-04-29 | 2021-04-13 | Long Bridge Medical, Inc. | Devices to support and position an intraocular lens within the eye and methods of use |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106264787A (en) * | 2015-05-18 | 2017-01-04 | 爱博诺德（苏州）医疗器械有限公司 | A kind of artificial iris fixing intraocular lens and material thereof and processing method |
| CN106264787B (en) * | 2015-05-18 | 2021-07-06 | 爱博诺德（苏州）医疗器械有限公司 | Artificial iris capable of fixing artificial lens and material and processing method thereof |
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| CN109124828A (en) * | 2018-09-05 | 2019-01-04 | 厦门大学附属厦门眼科中心有限公司 | Sclera fixed artificial lens and its alignment methods |
| US10973624B1 (en) | 2020-04-29 | 2021-04-13 | Long Bridge Medical, Inc. | Devices to support and position an intraocular lens within the eye and methods of use |
| US11759309B2 (en) | 2020-04-29 | 2023-09-19 | Long Bridge Medical, Inc. | Devices to support and position an intraocular lens within the eye and methods of use |
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| CN102090942B (en) | 2013-11-06 |
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Inventor after: Wang Chong Inventor before: Shi Xiaochun |
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Effective date of registration: 20170512 Address after: 66, 100091, building 301, building 100, Tai Zhuang, Beijing, Haidian District Patentee after: Wang Chong Address before: 100091, Beijing, Haidian District, big north 100, No. 66, building 301 Patentee before: Shi Xiaochun |
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