CN109124828A - Sclera fixed artificial lens and its alignment methods - Google Patents
Sclera fixed artificial lens and its alignment methods Download PDFInfo
- Publication number
- CN109124828A CN109124828A CN201811042769.4A CN201811042769A CN109124828A CN 109124828 A CN109124828 A CN 109124828A CN 201811042769 A CN201811042769 A CN 201811042769A CN 109124828 A CN109124828 A CN 109124828A
- Authority
- CN
- China
- Prior art keywords
- artificial lens
- loop
- button loop
- sclera
- scleral tunnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000003786 sclera Anatomy 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000002513 implantation Methods 0.000 claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 210000000795 conjunctiva Anatomy 0.000 claims description 8
- 210000004087 cornea Anatomy 0.000 claims description 4
- 210000001232 limbus corneae Anatomy 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 210000002159 anterior chamber Anatomy 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 210000000695 crystalline len Anatomy 0.000 description 46
- 238000010586 diagram Methods 0.000 description 6
- 239000002775 capsule Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 208000002177 Cataract Diseases 0.000 description 1
- 208000028006 Corneal injury Diseases 0.000 description 1
- 241000587161 Gomphocarpus Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 210000003038 endothelium Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/16015—Lens having spacers for providing a gap between the posterior capsule and a posterior surface of the intraocular lens
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1662—Instruments for inserting intraocular lenses into the eye
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2002/1681—Intraocular lenses having supporting structure for lens, e.g. haptics
- A61F2002/1683—Intraocular lenses having supporting structure for lens, e.g. haptics having filiform haptics
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (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 invention discloses a kind of sclera fixed artificial lens and its alignment methods, including intraocular lens optic portion, two buttons loop；The inner end of two buttons loop is closely coupled to the two sides in intraocular lens optic portion respectively, and there are two the groove around complete cycle, two groove interval settings, the least significant ends of the close button loop of the groove in outside for the end tool of button loop.Due to the present invention by former three-body type artificial lens two fasten with a rope, string, etc. tip designs channel-shaped in pairs, the groove in outside is located at artificial lens button loop end, artificial lens sclera interlayer is facilitated to fix, line can be knotted in the outside groove of button loop, the good scleral tunnel of pre-production is entered using suture guidance artificial lens button loop, becoming artificial lens sclera interlayer ligamentopexis, wound is small, and button loop implantation sclera interlayer is simple.
Description
Technical field
The present invention relates to medical fields, more particularly to a kind of sclera fixed artificial lens and its alignment methods.
Background technique
Currently, cataract operation uses the crystalline lens for retaining posterior lens capsule removal muddiness that artificial lens is implanted into capsule substantially
It, often need to be outstanding using artificial lens in bag, but when apparatus suspensorius lentis detachment range is more than 180 degree or even lens capsule bag lacks such as
Hang (suture is fixed), iris clamp-type artificial lens implantation the methods of, but exist it is complicated for operation if you need to make scleral flap, intraocularly
The drawback of the fixed difficulty of artificial lens etc., while the possibility of artificial lens Redislocation (such as because suture absorbs) also occurs,
Increase the probability of the complication such as corneal damage endothelium and iris.Artificial lens sclera interlayer fixation is the another of solution problems
A kind of method, generally with three-body type artificial lens (two buttons loop are PMMA materials), implantation process is complicated, need to equally make scleral flap,
Wherein work crystal is fastened with a rope, string, etc. big from operation difficulty the step for intraocularly going out through scleral clip to outside eye, time-consuming relatively long, artificial lens is placed in the middle
Property and stability are difficult to ensure, while also its hetero-organization of easy damaged eye.In addition, need after artificial lens button loop is fixed using suture or
Biogum is closed sclera and conjunctiva.
Summary of the invention
It is easy to suture fixed, artificial lens the purpose of the present invention is to provide a kind of stable sclera fixed is artificial between two parties
Crystal.
To achieve the above object, the technical solution of the invention is as follows:
The present invention is a kind of sclera fixed artificial lens, including intraocular lens optic portion, two buttons loop；Described two fasten with a rope, string, etc. interior
End is closely coupled to the two sides in intraocular lens optic portion respectively, and there are two the groove around complete cycle, two grooves for the end tool of button loop
Interval setting, the groove in outside is close to the least significant end fastened with a rope, string, etc..
Button loop between two grooves is in dentation or shape of threads, in order to fasten with a rope, string, etc. enter scleral tunnel after with scleral tunnel
Wall securely connects.
The button loop is C-shaped.
The present invention is a kind of alignment methods of sclera fixed artificial lens, comprising the following steps:
(1) before artificial lens implantation is intraocular, first by two nylon wires, it is bound in the groove work of described two buttons loop, end, outside
It is rear to be placed in intraocular lens injector for draught line；
(2) prefabricated scleral tunnel, label enters eye from outside sclera at mm, on 80 ° of conjunctiva after elongation limbus of sclera
Two interior mark points navigate within sclera interlayer using syringe needle production respectively using mark point as entrance and parallel with corneoscleral junction
Scleral tunnel, two scleral tunnel directions are identical as the button loop pointing direction of subsequent implantation；
(3) in corneal incision or fixation through scleral tunnels incision, two buttons loop are implanted into, in two buttons loop, end groove, tie up draught line
Artificial lens, the left side button loop with left side draught line are introduced into intraocularly, and the right side button loop with right side draught line is placed in outside eye, using syringe needle
Left side scleral tunnel is passed through through conjunctiva from a former mark point to enter intraocularly, and intraocular left side traction is gone out using the syringe needle hook of front end buckle
Then line still vertically navigates within the right side of right side scleral tunnel out using the buckle syringe needle or thread catcher from right side scleral tunnel hook
Draught line, gently drags left side draught line to bring left side button loop end into left side scleral tunnel, utilizes right side draught line that right side is fastened with a rope, string, etc. with method
It is dragged in the right side scleral tunnel of 80 ° of opposite sides, adjusts artificial lens property placed in the middle, two buttons loop, are fully located at scleral tunnel at end
It is interior, two button loop end draught lines are wiped out, viscoelastic agent, closed transparent cornea or fixation through scleral tunnels incision in anterior chamber are removed.
After adopting the above scheme, the present invention includes intraocular lens optic portion, two buttons loop；The inner end difference of two buttons loop
The two sides in intraocular lens optic portion are closely coupled to, there are two the groove around complete cycle, two groove intervals are set the end tool of button loop
It sets.As the present invention by former three-body type artificial lens (as clinic used in AMO AR40 artificial lens) two button loop tip designs at
Double flute shape, the groove in outside are located at artificial lens button loop least significant end, artificial lens sclera interlayer are facilitated to fix, line can knot in button loop
Outside groove in, the good scleral tunnel of pre-production is entered using suture guidance artificial lens button loop, makes artificial lens Scleral shell
Between ligamentopexis to become wound small, button loop implantation sclera interlayer is simple.Furthermore the groove can increase artificial lens button loop and sclera interlayer
Frictional force.The groove of inside is located at artificial lens button loop middle section (away from end 2mm), fixed knot position when artificial lens being facilitated to suspend in midair
It sets, because two sides knot is consistent away from button loop terminal position and does not suspend in midair because sliding also increases conventional method row artificial lens to a certain degree
When optical surface it is placed in the middle a possibility that.
The present invention is further illustrated in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2A is end one embodiment partial enlarged view that the present invention fastens with a rope, string, etc.；
Fig. 2 B is the embodiment partial enlarged view of end second that the present invention fastens with a rope, string, etc.；
Fig. 3 is the schematic diagram of first implantation step of the invention；
Fig. 4 is the schematic diagram of second implantation step of the invention；
Fig. 5 is the schematic diagram of third implantation step of the present invention；
Fig. 6 is the schematic diagram of the 4th implantation step of the invention；
Fig. 7 is the schematic diagram of the 5th implantation step of the invention；
Fig. 8 is hooking instrument figure of the invention.
Specific embodiment
Shown in A as shown in Figure 1, Figure 2, the present invention is a kind of sclera fixed artificial lens, including intraocular lens optic portion 1, two
A button loop 2A, 2B；The inner end of described two buttons loop 2A, 2B are closely coupled to the two sides in intraocular lens optic portion 1, two buttons loop 2 respectively
A, the end of 2B is respectively provided with two groove 4A, 4B around complete cycle, two interval groove 4A, 4B settings, the groove 4A in outside
Close to the least significant end of button loop 2A, so that the most end segment type of button loop 2A is in " nail head ", enter prefabricated Gong in order to which suture draws button loop 2A
Film tunnel 7A or scleral tunnel 7B.
Two described buttons loop 2A, the 2B are C-shaped.
As shown in Figure 2 B, the button loop between described two grooves 4A, 4B is in dentation 5, and in order to fasten with a rope, string, etc., 2A ' enters scleral tunnel
It is securely connect after 7A with scleral tunnel wall.
As shown in Fig. 3-Fig. 7, the present invention is a kind of method for implantation of sclera fixed artificial lens, comprising the following steps:
(1) before artificial lens implantation is intraocular, two 8-0 or thinner nylon wire 9A, 9B are first bound in described two ends button loop 2A, 2B
Hold the groove 4A in the outside of 3A, 3B as draught line, it is rear to be placed in intraocular lens injector；
(2) prefabricated scleral tunnel 7A, 7B are marked at 2mm, on 180 ° of conjunctiva from sclera after elongation limbus of sclera 6
It is outer to enter two intraocular mark points 8A, 8B, respectively using mark point 8A, 8B as syringe needle transit point and parallel with corneoscleral junction 6, make
Scleral tunnel 7A, 7B of sclera interlayer, the button loop in two directions scleral tunnel 7A, 7B and subsequent implantation are navigated with the production of 27G syringe needle
Pointing direction is identical, and scleral tunnel is about 3mm；
(3) a 3mm transparency cornea or fixation through scleral tunnels incision are done in 90 ° of positions of corneoscleral junction 6, it is artificial brilliant using step (1)
Body implanting device is implanted into the artificial lens that two the buttons loop end 2A, 2B groove 4A, 4B tie up draught line through the top notch, and band left side is led
The left side button loop 2A of lead 9A is introduced into intraocularly, and the right side button loop 2B with right side draught line 9B is placed in outside eye, former from one using 27G syringe needle
Mark point 8A through conjunctiva pass through left side scleral tunnel 7A enter it is intraocular, using the syringe needle of 27G or smaller front end buckle (or such as Fig. 8
Shown in special hooking instrument 10) hook goes out intraocular left side draught line 9A, then still using the buckle syringe needle or thread catcher from right side
Scleral tunnel 7B hook vertically navigates within the right side draught line 9B of right side scleral tunnel 7B out, gently drags left side draught line 9A that left side is fastened with a rope, string, etc.
End 3A brings left side scleral tunnel 7A into, and right side button loop 2B is dragged in method using right side draught line 9B the right side sclera of 180 ° of opposite sides
In tunnel 7B, artificial lens property placed in the middle is adjusted, two the button loop ends 2A, 2B 3A, 3B are fully located in scleral tunnel 7A, 7B, wipe out
Two the button loop ends 2A, 2B draught line 9A, 9B remove viscoelastic agent in anterior chamber, closure top transparency cornea or fixation through scleral tunnels incision.
Groove 4A, 4B and toothed design of the button loop end 2A, 2B of the invention are different from other patents making artificial lens
Button loop 2A, 2B are firmly secured to the somewhat complex design of sclera interlayer, and on the one hand which can play button loop 2A, 2B and be located at sclera interlayer is not easy
It slides (existing artificial lens sclera interlayer ligamentopexis has sliding to take off into intraocular risk), on the other hand the outside preset traction of groove 4A
Line 9A, 9B can be such that button loop 2A, 2B enters without making in scleral tunnel 7A, 7B of scleral flap, very under the guidance of draught line 9A, 9B
To without cutting conjunctiva, reach minimally invasive purpose.Two sclera interlayer tunnels and draught line 9A, 9B go out the position outside eye can be by thing
It is completed under the guide first marked, two buttons loop 2A, 2B can be drawn two button loop end 3A, 3B equivalent of completion by draught line 9A, 9B and set
In scleral tunnel 7A, 7B of sclera interlayer, stablize between two parties to reach artificial lens.
The above is only the preferred embodiment of the present invention, therefore cannot be limited the scope of implementation of the present invention with this, i.e., according to
Equivalent changes and modifications made by scope of the present invention patent and description should still belong to the model that the invention patent covers
In enclosing.
Claims (4)
1. a kind of sclera fixed artificial lens, it is characterised in that: including intraocular lens optic portion, two buttons loop；Described two
The inner end of button loop is closely coupled to the two sides in intraocular lens optic portion respectively, and the end tool of button loop is there are two the groove around complete cycle, and two
A groove interval setting, the groove in outside is close to the least significant end fastened with a rope, string, etc..
2. sclera fixed artificial lens according to claim 1, it is characterised in that: the button loop between two grooves
In dentation or shape of threads, securely it is connect in order to fasten with a rope, string, etc. to enter after scleral tunnel with scleral tunnel wall.
3. sclera fixed artificial lens according to claim 1, it is characterised in that: the button loop is C-shaped.
4. a kind of alignment methods of sclera fixed artificial lens according to claim 1, it is characterised in that: including following
Step:
(1) before artificial lens implantation is intraocular, first by two nylon wires, it is bound in the groove work of described two buttons loop, end, outside
It is rear to be placed in intraocular lens injector for draught line；
(2) prefabricated scleral tunnel, label enters eye from outside sclera at mm, on 80 ° of conjunctiva after elongation limbus of sclera
Two interior mark points navigate within sclera interlayer using syringe needle production respectively using mark point as entrance and parallel with corneoscleral junction
Scleral tunnel, two scleral tunnel directions are identical as the button loop pointing direction of subsequent implantation；
(3) in corneal incision or fixation through scleral tunnels incision, two buttons loop are implanted into, in two buttons loop, end groove, tie up draught line
Artificial lens, the left side button loop with left side draught line are introduced into intraocularly, and the right side button loop with right side draught line is placed in outside eye, using syringe needle
Left side scleral tunnel is passed through through conjunctiva from a former mark point to enter intraocularly, and intraocular left side traction is gone out using the syringe needle hook of front end buckle
Then line still vertically navigates within the right side of right side scleral tunnel out using the buckle syringe needle or thread catcher from right side scleral tunnel hook
Draught line, gently drags left side draught line to bring left side button loop end into left side scleral tunnel, utilizes right side draught line that right side is fastened with a rope, string, etc. with method
It is dragged in the right side scleral tunnel of 80 ° of opposite sides, adjusts artificial lens property placed in the middle, two buttons loop, are fully located at scleral tunnel at end
It is interior, two button loop end draught lines are wiped out, viscoelastic agent, closed transparent cornea or fixation through scleral tunnels incision in anterior chamber are removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042769.4A CN109124828B (en) | 2018-09-05 | 2018-09-05 | Scleral fixed intraocular lens and alignment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042769.4A CN109124828B (en) | 2018-09-05 | 2018-09-05 | Scleral fixed intraocular lens and alignment method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109124828A true CN109124828A (en) | 2019-01-04 |
| CN109124828B CN109124828B (en) | 2024-04-23 |
Family
ID=64827645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811042769.4A Active CN109124828B (en) | 2018-09-05 | 2018-09-05 | Scleral fixed intraocular lens and alignment method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109124828B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021148689A1 (en) * | 2020-01-21 | 2021-07-29 | Oftalmoretina S.L.U. | Scleral anchoring device for intraocular lenses |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995002378A1 (en) * | 1993-07-13 | 1995-01-26 | Kabi Pharmacia Ophthalmics, Inc. | Intraocular lens with improved haptic locking |
| CN102090942A (en) * | 2011-02-17 | 2011-06-15 | 郝燕生 | Artificial iris using fastening wires for fixing in eye |
| CN205094680U (en) * | 2015-11-20 | 2016-03-23 | 无锡市第二人民医院 | Intraocular lens suitable for ligamentopexis between wicresoft sclera layer |
| CN206587097U (en) * | 2016-12-20 | 2017-10-27 | 上海市同济医院 | A kind of sewing needle for intraocular lens's suture fixation |
| CN209347319U (en) * | 2018-09-05 | 2019-09-06 | 厦门大学附属厦门眼科中心有限公司 | Sclera fixed artificial lens |
-
2018
- 2018-09-05 CN CN201811042769.4A patent/CN109124828B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995002378A1 (en) * | 1993-07-13 | 1995-01-26 | Kabi Pharmacia Ophthalmics, Inc. | Intraocular lens with improved haptic locking |
| CN102090942A (en) * | 2011-02-17 | 2011-06-15 | 郝燕生 | Artificial iris using fastening wires for fixing in eye |
| CN205094680U (en) * | 2015-11-20 | 2016-03-23 | 无锡市第二人民医院 | Intraocular lens suitable for ligamentopexis between wicresoft sclera layer |
| CN206587097U (en) * | 2016-12-20 | 2017-10-27 | 上海市同济医院 | A kind of sewing needle for intraocular lens's suture fixation |
| CN209347319U (en) * | 2018-09-05 | 2019-09-06 | 厦门大学附属厦门眼科中心有限公司 | Sclera fixed artificial lens |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021148689A1 (en) * | 2020-01-21 | 2021-07-29 | Oftalmoretina S.L.U. | Scleral anchoring device for intraocular lenses |
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| Publication number | Publication date |
|---|---|
| CN109124828B (en) | 2024-04-23 |
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Address after: No. 336, Xiahe Road, Siming District, Xiamen City, Fujian Province, 361000 Applicant after: Xiamen Eye Center Co.,Ltd. Address before: 361004 No. 336 Xiahe Road, Siming District, Xiamen City, Fujian Province Applicant before: XIAMEN EYE CENTER OF XIAMEN UNIVERSITY Co.,Ltd. |
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