CN219289893U - Ophthalmic marker ring suitable for axial location of astigmatism of artificial lens - Google Patents
Ophthalmic marker ring suitable for axial location of astigmatism of artificial lens Download PDFInfo
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- CN219289893U CN219289893U CN202320734768.6U CN202320734768U CN219289893U CN 219289893 U CN219289893 U CN 219289893U CN 202320734768 U CN202320734768 U CN 202320734768U CN 219289893 U CN219289893 U CN 219289893U
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- face
- scale
- astigmatism
- ophthalmic
- marking
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- 201000009310 astigmatism Diseases 0.000 title claims abstract description 32
- 239000003550 marker Substances 0.000 title claims description 11
- 210000005252 bulbus oculi Anatomy 0.000 claims abstract description 11
- 210000004087 cornea Anatomy 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims 1
- 210000000695 crystalline len Anatomy 0.000 description 20
- 208000002177 Cataract Diseases 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of ophthalmic surgical instruments, and discloses an ophthalmic marking ring suitable for the axial position positioning of artificial lens astigmatism, which comprises an arc-shaped sheet body which is attached to the cornea of an eyeball, wherein the sheet body is provided with a convex end face which is upwards arranged and used for marking the axial position of the astigmatism and a concave end face which is downwards arranged and attached to the cornea of the eyeball; the convex end face comprises a perspective observation area positioned in the middle and a scale area for angle measurement, and the scale area is provided with a scale for identifying angles; an adjusting column for moving or rotating the operation sheet body is arranged on the perspective observation area; the position marking is carried out on the operation position, the astigmatic axis position is positioned more accurately through the angle mark on the dial gauge, the adjusting column is used for operating the sheet body to move or rotate, the angle mark on the dial gauge is adjusted, the astigmatic axis position of the mark on the convex end surface is consistent with the angle mark on the dial gauge, and the problem that the astigmatic axis position of the astigmatic artificial lens is marked and positioned with low efficiency is solved.
Description
Technical Field
The utility model relates to the technical field of ophthalmic surgical instruments, in particular to an ophthalmic marking ring suitable for axial positioning of astigmatism of an artificial lens.
Background
Cataract is a common ophthalmic disease, and the current method for treating cataract mainly comprises taking out the turbid crystalline lens and implanting the crystalline lens into the intraocular lens. With technological progress and the continuous improvement of the postoperative visual quality of patients, cataract surgery enters refractive cataract surgery from the refractive surgery era, and astigmatic intraocular lenses are widely applied in clinic at present.
The problem of locating the astigmatic axis of the astigmatic intraocular lens has been a major problem for cataract doctors. At present, 60% of patients in cataract surgery need to be implanted with astigmatic intraocular lenses, the astigmatic axis positions of the lenses and the astigmatic axis positions of eyes of the patients need to be kept consistent, and if the axis position deviation is too large, the correction effect of the astigmatic intraocular lenses is lost, so that the eyesight of the patients is greatly influenced.
In the prior art, most doctors in hospitals make original manual marks under slit lamps, so that the astigmatic axis position marks have large deviation and are easy to lose, thereby the effect of the operation is not ideal and great trouble is brought to the doctors.
Disclosure of Invention
The utility model aims to provide an ophthalmic marking ring suitable for the astigmatism axis positioning of an artificial lens, and aims to solve the problem that in the prior art, the marking positioning efficiency of the astigmatism axis of the astigmatism type artificial lens is low.
The utility model is realized in such a way that the ophthalmic marking ring suitable for the axial position positioning of the astigmatism of the intraocular lens comprises a sheet body which is arc-shaped and is attached to the cornea of the eyeball, wherein the sheet body is provided with a convex end face which is upwards arranged and is used for marking the axial position of the astigmatism and a concave end face which is downwards arranged and is attached to the cornea of the eyeball, and the concave end face is positioned below the convex end face;
the convex end face comprises a perspective observation area positioned in the middle and a scale area for angle measurement, the scale area is provided with a scale for marking the angle, the scale is arranged along the length direction of the scale area in an extending mode, the scale area is arranged along the periphery of the perspective observation area in a surrounding mode, and the center of the perspective observation area is overlapped with the center of the convex end face; and an adjusting column for moving or rotating the operation sheet body is arranged on the perspective observation area.
Further, the scale comprises a plurality of angle score lines, and the plurality of angle score lines are adjacently and alternately arranged along the circumferential direction of the scale area.
Further, the measuring range of a plurality of the angle score lines is 360 degrees; the scale table is provided with digital marks for marking 0 degrees, 90 degrees, 180 degrees and 270 degrees.
Further, the step length of each adjacent angle score line is 1 DEG or 5 deg.
Further, the digital signature increases progressively in a circumferential counter-clockwise direction of the scale.
Further, the adjusting columns are longitudinally arranged and are abutted against the protruding end face from top to bottom.
Further, the sheet body and the adjusting column are of an integrated structure.
Further, the number of the adjusting columns is two, and the two adjusting columns are arranged at intervals.
Further, an abutting surface which abuts against the eyeball is arranged between the concave penetrating end surface and the convex penetrating end surface, the abutting surface extends along the periphery of the concave penetrating end surface or the periphery of the convex penetrating end surface, and the abutting surface is arranged in an arc shape.
Further, the top of the abutting surface abuts against the periphery of the convex end surface, and the bottom of the abutting surface abuts against the periphery of the concave end surface; the convex end face and the abutting face and the concave end face enclose to form the outer surface of the sheet body.
Compared with the prior art ， The utility model is suitable for the axial position positioning of astigmatism of an artificial lensThe ophthalmic marking ring is used for marking the position of an operation position, the astigmatic axis position is positioned more accurately through the angle marks on the dial gauge, the adjusting column is used for operating the sheet body to move or rotate, the angle marks on the dial gauge are adjusted, the astigmatic axis position of the mark on the convex end surface is consistent with the angle marks on the dial gauge, and the problem of low astigmatic axis position marking and positioning efficiency of the astigmatic intraocular lens is solved.
Drawings
FIG. 1 is a schematic perspective view of an ophthalmic marker ring adapted for intraocular lens astigmatic axial positioning according to the present utility model;
FIG. 2 is a schematic view of an ophthalmic marker ring adapted for axial location of intraocular lens astigmatism provided by the present utility model;
FIG. 3 is a schematic cross-sectional view of an ophthalmic marker ring suitable for intraocular lens astigmatism axis location provided by the present utility model.
In the figure: sheet 100, convex end face 200, concave end face 300, abutment face 400, see-through viewing area 201, graduation area 202, graduation gauge 203, adjustment column 204, digital sign 205.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The implementation of the present utility model will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limiting the present utility model, and specific meanings of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 1-3, a preferred embodiment of the present utility model is provided.
The ophthalmic marking ring suitable for the axial position positioning of the astigmatism of the intraocular lens comprises a sheet body 100 which is in an arc shape and is applied to the cornea of the eyeball, wherein the sheet body 100 is provided with a convex end face 200 which is upwards arranged and is used for marking the axial position of the astigmatism, and a concave end face 300 which is downwards arranged and is applied to the cornea of the eyeball, and the concave end face 300 is positioned below the convex end face 200;
the convex end face 200 comprises a perspective observation area 201 positioned in the middle and a scale area 202 for angle measurement, the scale area 202 is provided with a scale 203 for identifying angles, the scale 203 is arranged along the length direction of the scale area 202 in an extending way, the scale area 202 is arranged along the periphery of the perspective observation area 201 in a surrounding way, and the center of the perspective observation area 201 is overlapped with the center of the convex end face 200; the perspective view area 201 is provided with an adjustment column 204 for moving or rotating the operation sheet 100.
The ophthalmic marking ring suitable for the astigmatism axis positioning of the intraocular lens is provided for marking the position of the operation, the astigmatism axis positioning is more accurate through the angle marks on the graduation table 203, the sheet body 100 is operated to move or rotate by the adjusting column 204, the angle marks on the graduation table 203 are adjusted, the marked astigmatism axis of the convex end face 200 is consistent with the angle marks on the graduation table 203, and the problem of low marking positioning efficiency of the astigmatism axis of the astigmatism type intraocular lens is solved.
The sheet 100 may be made of fluorinated silicone polymer or silicone hydrogel;
the curvature of sheet 100 is 43D;
base arc diameter range of blade 100: 6.6 to 10.6, preferably 8.6mm;
the diameter of sheet 100 ranges in size: 6 to 12, preferably 9.0mm.
In this embodiment, the scale 203 includes a plurality of angle score lines, and the plurality of angle score lines are arranged in adjacent and spaced-apart along the circumferential direction of the scale area 202; the measuring range of the plurality of angle score lines is 360 degrees; the scale 203 has a digital identifier 205 identifying 0 °, 90 °, 180 °, 270 °.
The multiple angle score lines are circumferentially arranged on the periphery of the sheet body 100 to form a 360-degree measuring range, and the medical staff can be intuitively positioned through the 0 degree, 90 degree, 180 degree and 270 degree angle marks of the digital mark 205.
The step length of the adjacent angle score lines is 1 DEG or 5 DEG; the minimum scale value of the angle score line can be further reduced according to the requirements, so that the mark positioning of the astigmatism axis is more accurate.
Along the circumferential counter-clockwise direction of the scale 203, the number designation 205 increases progressively; thus, the medical staff can watch at a fixed position in the operation more conveniently and smoothly.
The adjusting columns 204 are longitudinally arranged, and the adjusting columns 204 are abutted against the convex end surface 200 from top to bottom; in this way, the medical personnel can perform clamping operation on the adjusting column 204 through the clamp.
The sheet body 100 and the adjusting column 204 are of an integrated structure, so that the connection stability between the sheet body 100 and the adjusting column 204 can be improved, and falling off is avoided.
The number of the adjusting columns 204 is two, and the two adjusting columns 204 are arranged at intervals; thus, the two adjusting posts 204 facilitate the movement or rotation of the wafer 100 by the medical staff, thereby improving the control force of the wafer 100.
In this embodiment, an abutment surface 400 for abutting against the eyeball is provided between the concave end surface 300 and the convex end surface 200, the abutment surface 400 is arranged to extend along the outer circumference of the concave end surface 300 or the outer circumference of the convex end surface 200, and the abutment surface 400 is arranged in an arc shape; the top of the abutment surface 400 abuts against the outer periphery of the male end surface 200, and the bottom of the abutment surface 400 abuts against the outer periphery of the female end surface 300; the convex end surface 200 and the abutting surface 400 and the concave end surface 300 enclose to form the outer surface of the sheet body 100 。
The abutting surface 400 is ground to be arranged in an arc shape by the sheet body 100, so that damage to the cornea of a patient caused by the edge of the sheet body 100 is avoided, and the use safety of the ophthalmic marking ring is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The ophthalmic marking ring suitable for the axial position positioning of the astigmatism of the artificial lens is characterized by comprising an arc-shaped sheet body which is attached to the cornea of the eyeball, wherein the sheet body is provided with a convex end face which is upwards arranged and used for marking the axial position of the astigmatism and a concave end face which is downwards arranged and attached to the cornea of the eyeball, and the concave end face is positioned below the convex end face;
the convex end face comprises a perspective observation area positioned in the middle and a scale area for angle measurement, the scale area is provided with a scale for marking the angle, the scale is arranged along the length direction of the scale area in an extending mode, the scale area is arranged along the periphery of the perspective observation area in a surrounding mode, and the center of the perspective observation area is overlapped with the center of the convex end face; and an adjusting column for moving or rotating the operation sheet body is arranged on the perspective observation area.
2. An ophthalmic marker ring adapted for axial location of intraocular lens astigmatism as defined in claim 1 wherein said scale comprises a plurality of angular score lines, a plurality of said angular score lines being arranged in adjacent spaced apart relation along the circumferential direction of the scale region.
3. An ophthalmic marking ring adapted for axial positioning of intraocular lens astigmatism as defined in claim 2 wherein the plurality of angular score lines are measured over a range of 360 °; the scale table is provided with digital marks for marking 0 degrees, 90 degrees, 180 degrees and 270 degrees.
4. An ophthalmic marker ring adapted for axial location of intraocular lens astigmatism as defined in claim 3 wherein the step size of adjacent said angular score lines is 1 ° or 5 °.
5. An ophthalmic marker ring adapted for intraocular lens astigmatism axis location as defined in claim 3 wherein said numerical indicia increases progressively in a circumferential counter-clockwise direction along said scale.
6. An ophthalmic marker ring for axial positioning of intraocular lens astigmatism as claimed in any of claims 1 to 5 wherein said adjustment posts are arranged longitudinally, said adjustment posts abutting from top to bottom on the convex end face.
7. An ophthalmic marking ring adapted for axial positioning of an intraocular lens astigmatism according to claim 6 wherein the sheet is of unitary construction with the adjustment post.
8. An ophthalmic marker ring adapted for axial location of intraocular lens astigmatism as defined in claim 7 wherein said adjustment posts are two in number and are spaced apart.
9. An ophthalmic marker ring for axial location of intraocular lens astigmatism as claimed in any one of claims 1 to 5 wherein said concave and convex lens surfaces have an abutment surface therebetween which abuts against the eyeball, said abutment surface being disposed extending along the periphery of the concave lens surface or the periphery length of the convex lens surface, said abutment surface being disposed in an arcuate configuration.
10. An ophthalmic marking ring adapted for intraocular lens astigmatism axis positioning as claimed in claim 9 wherein the top of said abutment surface abuts on the periphery of the male face and the bottom of said abutment surface abuts on the periphery of the female face; the convex end face and the abutting face and the concave end face enclose to form the outer surface of the sheet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320734768.6U CN219289893U (en) | 2023-03-30 | 2023-03-30 | Ophthalmic marker ring suitable for axial location of astigmatism of artificial lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320734768.6U CN219289893U (en) | 2023-03-30 | 2023-03-30 | Ophthalmic marker ring suitable for axial location of astigmatism of artificial lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219289893U true CN219289893U (en) | 2023-07-04 |
Family
ID=86955790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320734768.6U Active CN219289893U (en) | 2023-03-30 | 2023-03-30 | Ophthalmic marker ring suitable for axial location of astigmatism of artificial lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219289893U (en) |
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2023
- 2023-03-30 CN CN202320734768.6U patent/CN219289893U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231207 Address after: Room 407, 4th Floor, Dayou Dongyuan Business Building, Qiutou Town, High tech Zone, Shijiazhuang City, Hebei Province, 050000 Patentee after: Hebei Xianrong Medical Technology Co.,Ltd. Address before: 1701G2, 17th Floor, Tairan Cangsong Building, Tairan 6th Road, Tian'an Community, Shatou Street, Futian District, Shenzhen, Guangdong 518000 Patentee before: 217 (Shenzhen) Technology Co.,Ltd. |