CN113262077A - Artificial crystal stabilizer - Google Patents
Artificial crystal stabilizer Download PDFInfo
- Publication number
- CN113262077A CN113262077A CN202110701015.0A CN202110701015A CN113262077A CN 113262077 A CN113262077 A CN 113262077A CN 202110701015 A CN202110701015 A CN 202110701015A CN 113262077 A CN113262077 A CN 113262077A
- Authority
- CN
- China
- Prior art keywords
- intraocular lens
- main body
- annular main
- ear loops
- ear
- 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.)
- Pending
Links
- 239000003381 stabilizer Substances 0.000 title claims abstract description 17
- 239000013078 crystal Substances 0.000 title description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 201000009310 astigmatism Diseases 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 210000000695 crystalline len Anatomy 0.000 description 67
- 239000012528 membrane Substances 0.000 description 6
- 208000002177 Cataract Diseases 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 102000014824 Crystallins Human genes 0.000 description 1
- 108010064003 Crystallins Proteins 0.000 description 1
- 206010047513 Vision blurred Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000006371 metabolic abnormality Effects 0.000 description 1
- 208000030159 metabolic disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000030212 nutrition disease Diseases 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Images
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
-
- 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
-
- 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
- A61F2002/1689—Intraocular lenses having supporting structure for lens, e.g. haptics having plate-haptics
Abstract
The invention discloses an intraocular lens stabilizer which comprises an annular main body, wherein the annular main body is in a C shape with an opening, the outer diameter of the annular main body is larger than the inner diameter of a bag, at least two ear loops for pressing an intraocular lens body part are arranged on the inner wall of the annular main body, and at least two ear loops are arranged in a central symmetry manner. The invention has the advantages that the annular main body struts the capsular bag to expand the capsular bag so as to tighten the rear capsular sac, the friction force between the intraocular lens and the rear capsular sac is increased, the intraocular lens is prevented from rotating, the intraocular lens is clamped between the rear capsular sac and the ear loops by the ear loops pressing on the intraocular lens body to form a hedging force with the rear capsular sac, the intraocular lens is prevented from rotating by increasing the friction force of the intraocular lens, meanwhile, the two ear loops are arranged in central symmetry, so that the two ear loops can play a role of mutually abutting and pressing the intraocular lens, the rotation of the intraocular lens is further prevented, and the astigmatism treatment effect of a patient is ensured.
Description
Technical Field
The invention relates to the technical field of intraocular lens implantation, in particular to an intraocular lens stabilizer.
Background
All the reasons such as aging, heredity, local nutrition disorder, immunity and metabolism abnormality, trauma, poisoning, radiation and the like can cause the metabolic disorder of crystalline lens, leading to the denaturation of crystalline lens protein and turbidity, which is called cataract, at the moment, light rays are blocked by the turbid crystalline lens and can not be projected on retina, leading to blurred vision, and an artificial lens is required to be implanted in cataract surgery, for example, a hydrophobic artificial lens is disclosed in Chinese patent publication No. CN 208591175U; cataract is common eye disease in China, the number of operation cases in China is about 450 ten thousand, at present, astigmatism exceeding 1.0D (commonly called 100 degrees) still exists in the cornea of more than 1/3 patients among cataract patients, and an astigmatism correction type artificial lens needs to be implanted into a capsular bag, as shown in figure 1, the artificial lens 1 is a lens for correcting astigmatism; in addition, the capsular bag is mainly composed of an anterior capsular membrane and a posterior capsular membrane. However, over time, the intraocular lens 1 may rotate on the posterior capsule of the capsular bag with a 3% reduction in efficacy at every 1 ° rotation, and with a rotation exceeding 33 °, the intraocular lens 1 also acts in the opposite direction to increase astigmatism, resulting in poor treatment of astigmatism in the patient.
Disclosure of Invention
The technical problem to be solved by the invention is how to ensure the treatment effect of the astigmatism of the patient.
In order to solve the technical problems, the invention provides the following technical scheme:
an artificial lens stabilizer comprises an annular main body, wherein the annular main body is in a C shape with an opening, the outer diameter of the annular main body is larger than the inner diameter of a bag, at least two ear loops for pressing an artificial lens body part are arranged on the inner wall of the annular main body, and at least two ear loops are arranged in central symmetry.
The annular main body is used for expanding the capsular bag after entering the capsular bag and further tightening the back capsular bag, the friction force between the intraocular lens and the back capsular bag is increased, the intraocular lens is prevented from rotating, the intraocular lens is pressed on the intraocular lens body through the ear loops and forms an opposite impact force with the back capsular bag, the intraocular lens is clamped between the back capsular bag and the ear loops, the intraocular lens is further prevented from rotating through the increase of the friction force of the intraocular lens by the ear loops, meanwhile, the two ear loops are arranged in a central symmetry mode, the two ear loops can play a role in abutting against the intraocular lens, the rotation of the intraocular lens is further prevented, and the astigmatism treatment effect of a patient is guaranteed.
Preferably, the two end parts of the annular main body are arc-shaped and extend towards the center of the annular main body for pressing and arranging the artificial lens; the contact area between the artificial lens and the artificial lens is increased, the friction force on the artificial lens is improved, and the rotation of the artificial lens is further prevented.
Preferably, the annular body and the ear loops are of one-piece construction.
Preferably, the annular body and the ear tabs are made of PMMA material or hydrophobic acrylic or hydrophilic acrylate.
Preferably, the ear loops are arcuate or elongated in shape.
Preferably, the annular body is circular in cross-section.
Preferably, the section of the annular main body is circular, and the diameter of the section is 0.2-0.8 mm.
Preferably, the diameter of the annular body is 11-13 mm.
Preferably, the length of the ear tab is 5 mm.
Preferably, the end of each ear loop is provided with a through hole having a diameter of 1.5 mm.
Compared with the prior art, the invention has the beneficial effects that:
1. the annular main body is used for expanding the capsular bag after entering the capsular bag and further tightening the back capsular bag, the friction force between the intraocular lens and the back capsular bag is increased, the intraocular lens is prevented from rotating, the intraocular lens is pressed on the intraocular lens body through the ear loops and forms an opposite impact force with the back capsular bag, the intraocular lens is clamped between the back capsular bag and the ear loops, the intraocular lens is further prevented from rotating through the increase of the friction force of the intraocular lens by the ear loops, meanwhile, the two ear loops are arranged in a central symmetry mode, the two ear loops can play a role in abutting against the intraocular lens, the rotation of the intraocular lens is further prevented, and the astigmatism treatment effect of a patient is guaranteed.
2. The two ends of the annular main body are arc-shaped and extend towards the center of the annular main body to be used for pressing the artificial crystal, so that the contact area between the artificial crystal and the two ends of the annular main body is increased, the friction force of the artificial crystal is improved, and the rotation of the artificial crystal is further prevented.
Drawings
FIG. 1 is a schematic view of a prior art intraocular lens construction;
FIG. 2 is a schematic view of an installation structure of the first embodiment of the present invention;
fig. 3 is a schematic view of an installation structure of the second embodiment of the invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Example one
Referring to fig. 2, an intraocular lens stabilizer comprises an annular main body 2, wherein the annular main body 2 is C-shaped with an opening, the outer diameter of the annular main body 2 is larger than the inner diameter of a capsular bag (not shown), at least two ear loops 3 for pressing the body of an intraocular lens 1 are arranged on the inner wall of the annular main body 2, and at least two ear loops 3 are arranged in central symmetry.
Because the outer diameter of the annular main body 2 is larger than the inner diameter of the capsular bag, the annular main body 2 is expanded after entering the capsular bag to expand the capsular bag, so that the back capsular bag is tightened, the friction force between the intraocular lens 1 and the back capsular bag is increased, the intraocular lens 1 is prevented from rotating, the intraocular lens 1 is pressed on the body part of the intraocular lens 1 through the ear loops 3 and forms a hedging force with the back capsular bag, the intraocular lens 1 is clamped between the back capsular bag and the ear loops 3, the intraocular lens 1 is further prevented from rotating through the increase of the friction force of the ear loops 3 on the intraocular lens 1, and meanwhile, the two ear loops 3 are arranged in central symmetry, so that the two ear loops 3 can perform a butting and pressing effect on the intraocular lens 1, the rotation of the intraocular lens 1 is further prevented, and the astigmatism treatment effect of a patient is guaranteed.
The both ends of annular main part 2 are the arc form and extend to annular main part center and be used for pressing and establish intraocular lens 1, increase and intraocular lens 1's area of contact, improve the frictional force to intraocular lens 1, further prevent that intraocular lens 1 from rotating.
Furthermore, the annular main body 2 and the ear loops 3 are integrally formed and are in a transparent structure; the annular main body 2 and the ear loops 3 are made of PMMA material or hydrophobic acrylic acid or hydrophilic acrylate, the cross section of the annular main body 2 is circular, and the ear loops 3 are arc-shaped or long-strip-shaped.
Still further, the cross section of the annular main body 2 is circular, the diameter of the cross section is 0.2-0.8mm, the diameter of the annular main body 2 is 11-13mm, and the length of the ear loop 3 is 5 mm. The end part of each ear loop 3 is provided with a through hole 31, the diameter of each through hole 31 is 1.5mm, the plane area of each ear loop 3 is increased, the friction force between each ear loop and the artificial lens 11 is further improved, and the later-stage surgical suture is facilitated.
The working principle of the invention is as follows: the stabilizer is implanted into the bag and is placed on the front surface of the body part of the intraocular lens 1, so that two end parts of the ear loops 3 and the annular main body 2 are simultaneously pressed on the intraocular lens 1, because the outer diameter of the annular main body 2 is larger than the inner diameter of the bag, the annular main body 2 enters the bag and then props open the bag to expand the bag, so that the back bag membrane is tightened, the friction force between the intraocular lens 1 and the back bag membrane is increased, the intraocular lens 1 is prevented from rotating, the ear loops 3 are pressed on the body part of the intraocular lens 1 and form a hedging force with the back bag membrane, the intraocular lens 1 is clamped between the back bag membrane and the ear loops 3, the friction force of the intraocular lens 1 is further increased through the ear loops 3 to prevent the intraocular lens 1 from rotating, meanwhile, because the two ear loops 3 are arranged in central symmetry, the two ear loops 3 can have the function of pressing against the intraocular lens 1, and further prevent the rotation of the intraocular lens 1, thereby ensuring the astigmatism treatment effect of the patient.
Example two
Referring to fig. 3, the present embodiment is different from the first embodiment in that the number of the ear loops 3 is 4, two ear loops are in a group, and the ear loops are respectively disposed on the intraocular lens 1, so as to further increase the friction force on the intraocular lens 1, prevent the intraocular lens 1 from rotating, and ensure the astigmatism treatment effect of the patient.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above-mentioned embodiments only represent embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.
Claims (10)
1. An intraocular lens stabilizer, characterized by: the novel intraocular lens comprises an annular main body, wherein the annular main body is in a C-shaped shape with an opening, the outer diameter of the annular main body is larger than the inner diameter of a bag, at least two ear loops for pressing an intraocular lens body part are arranged on the inner wall of the annular main body, and at least two ear loops are arranged in central symmetry.
2. An intraocular lens stabilizer according to claim 1, characterized in that: the two end parts of the annular main body are arc-shaped and extend towards the center of the annular main body for pressing and arranging the artificial lens.
3. An intraocular lens stabilizer according to claim 1, characterized in that: the annular main body and the ear loops are of an integrally formed structure.
4. An intraocular lens stabilizer according to claim 1, characterized in that: the annular body and the ear loops are made of a PMMA material or a hydrophobic acrylic or a hydrophilic acrylate.
5. An intraocular lens stabilizer according to claim 1, characterized in that: the shape of the ear loops is arc-shaped or long-strip-shaped.
6. An intraocular lens stabilizer according to claim 1, characterized in that: the section of the annular main body is circular.
7. An intraocular lens stabilizer according to claim 1, characterized in that: the section of the annular main body is circular, and the diameter of the section is 0.2-0.8 mm.
8. An intraocular lens stabilizer according to claim 1, characterized in that: the diameter of the annular main body is 11-13 mm.
9. An intraocular lens stabilizer according to claim 1, characterized in that: the length of the ear loops is 5 mm.
10. An intraocular lens stabilizer according to claim 1, characterized in that: the end part of each ear loop is provided with a through hole, and the diameter of each through hole is 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110701015.0A CN113262077A (en) | 2021-06-23 | 2021-06-23 | Artificial crystal stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110701015.0A CN113262077A (en) | 2021-06-23 | 2021-06-23 | Artificial crystal stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113262077A true CN113262077A (en) | 2021-08-17 |
Family
ID=77235758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110701015.0A Pending CN113262077A (en) | 2021-06-23 | 2021-06-23 | Artificial crystal stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113262077A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5078740A (en) * | 1990-04-02 | 1992-01-07 | Walman Gerald B | Intraocular lens |
| CN203059976U (en) * | 2012-12-27 | 2013-07-17 | 中山大学中山眼科中心 | Artificial lens |
| CN108938145A (en) * | 2018-07-20 | 2018-12-07 | 陶天畅 | A kind of artificial lens support ring |
| CN210962453U (en) * | 2018-04-16 | 2020-07-10 | 温州医科大学 | Combined detachable artificial lens system with replaceable optical part |
-
2021
- 2021-06-23 CN CN202110701015.0A patent/CN113262077A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5078740A (en) * | 1990-04-02 | 1992-01-07 | Walman Gerald B | Intraocular lens |
| CN203059976U (en) * | 2012-12-27 | 2013-07-17 | 中山大学中山眼科中心 | Artificial lens |
| CN210962453U (en) * | 2018-04-16 | 2020-07-10 | 温州医科大学 | Combined detachable artificial lens system with replaceable optical part |
| CN108938145A (en) * | 2018-07-20 | 2018-12-07 | 陶天畅 | A kind of artificial lens support ring |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210817 |
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| RJ01 | Rejection of invention patent application after publication |