CN211628539U - Detachable ophthalmic corneal foreign body removing model - Google Patents
Detachable ophthalmic corneal foreign body removing model Download PDFInfo
- Publication number
- CN211628539U CN211628539U CN201922443339.XU CN201922443339U CN211628539U CN 211628539 U CN211628539 U CN 211628539U CN 201922443339 U CN201922443339 U CN 201922443339U CN 211628539 U CN211628539 U CN 211628539U
- Authority
- CN
- China
- Prior art keywords
- shell
- installation
- column
- positioning
- detachable
- 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.)
- Expired - Fee Related
Links
- 206010017012 Foreign body in eye Diseases 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 44
- 239000007787 solid Substances 0.000 claims description 6
- 210000004087 cornea Anatomy 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000001356 surgical procedure Methods 0.000 abstract description 4
- 210000005252 bulbus oculi Anatomy 0.000 description 11
- 210000001508 eye Anatomy 0.000 description 7
- 210000000695 crystalline len Anatomy 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 210000000554 iris Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000003786 sclera Anatomy 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000004127 vitreous body Anatomy 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Landscapes
- Prostheses (AREA)
Abstract
The utility model discloses a detachable ophthalmic corneal foreign body rejection model, which comprises an installation shell, a positioning hole and a combination unit; installing a shell: the mounting shell is arranged in a spherical shell, an upper hemisphere of the mounting shell is transversely cut, and the positioning holes are arranged on a cut plane above the mounting shell in an annular array; a combination unit: the modular unit contains collar, interior casing, first reference column, left side shell body, second reference column, connecting hole, right side shell body and spliced pole, the lower surface of collar is the first reference column of annular array fixedly connected with, first reference column links together with the locating hole cooperation, the inboard fixedly connected with of collar upper surface is interior casing, and this detachable ophthalmology cornea foreign matter rejects the model, and the dismouting process is more convenient, can demonstrate the main part of corneal surgery directly perceived, and the installation is fixed firm, and angle adjustable is comparatively convenient during the use.
Description
Technical Field
The utility model relates to a human model technical field specifically is a detachable ophthalmic cornea foreign matter rejects model.
Background
The cornea foreign body is an ophthalmic emergency caused by the fact that foreign bodies such as ash, small insects, metal fragments, wood chips and the like accidentally enter the cornea in the eye. Because the cornea is positioned on the surface of the eyeball, corneal foreign bodies are easy to be generated when the eye is injured by the eye, in addition, factors such as different types of foreign bodies, foreign bodies at different parts and the like can influence the operation process of foreign body removal, the cornea is an important refraction medium of the eyeball, improper operation in the corneal foreign body removal process can cause postoperative vision reduction, and particularly corneal foreign body treatment in an optical pupil area. In practical teaching, a mode of combining an ophthalmologic teaching model and a fresh animal eye is generally adopted for teaching, but the use environment and time of the fresh animal eye are harsh, so the fresh animal eye cannot be frequently used. Most of the traditional ophthalmological teaching models are integrated, people can only know the structure of eyeballs, the function is single, and the cornea foreign body cannot be well simulated. According to application number 201810735242.3 a detachable ophthalmology cornea foreign matter rejects model, including eyeball model fixing base and eyeball model, eyeball model fixing base includes supporting seat and shell, the shell is oval shape, and the inside liner that is equipped with of shell, the liner inboard be equipped with eyeball model assorted fixed chamber, shell one end is equipped with the import, and the shell other end is equipped with the opening, open-ended upper and lower both ends all are equipped with the eyelid, the eyeball model includes sclera, cornea, iris, crystalline lens and vitreous body. This detachable ophthalmology cornea foreign matter rejects model dismouting process is comparatively complicated, can not demonstrate the main part of corneal surgery directly perceivedly, and the installation is fixed insecure, and the angle can not be adjusted, and is comparatively inconvenient during the use.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a detachable ophthalmology cornea foreign matter and reject the model, the dismouting process is more convenient, can demonstrate the main part of corneal surgery directly perceived, and the installation is fixed firm, and angle modulation is comparatively convenient during the use, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a detachable ophthalmic corneal foreign body removing model comprises an installation shell, a positioning hole and a combination unit;
installing a shell: the mounting shell is arranged in a spherical shell, an upper hemisphere of the mounting shell is transversely cut, and the positioning holes are arranged on a cut plane above the mounting shell in an annular array;
a combination unit: the combination unit comprises an installation ring, an inner shell, a first positioning column, a left outer shell, a second positioning column, a connecting hole, a right outer shell and a connecting column, the lower surface of the mounting ring is fixedly connected with first positioning columns in an annular array, the first positioning columns are matched and connected with the positioning holes together, the inner side of the upper surface of the mounting ring is fixedly connected with an inner shell, the left half of the outer side of the upper surface of the mounting ring is provided with a limit hole at equal distance, the left outer shell is arranged in a quarter shell shape, and the lower surface of the left outer shell is fixedly connected with second positioning columns at equal intervals, connecting holes are arranged on the vertical side surface of the right side of the left outer shell at equal intervals, the appearance of the right outer shell is symmetrical to that of the left outer shell, and the connecting column is fixedly connected with the vertical section of the left side of the right side shell body at equal intervals, and is matched and connected with the connecting hole formed in the vertical section of the left side shell body. Set up in the modular unit with the similar interior casing of cornea, left side shell body and right side shell body, in actual operation, can part left side shell body and right side shell body, and then place the foreign matter in the centre for operation simulation actual operation, connection structure's such as connecting hole setting dismouting of being convenient for simultaneously, the dismantlement operation when explaining is convenient more.
Further, still including solid fixed ring, support column, support interior casing and through-hole, gu fixed ring fixed connection is in the intermediate position of the inside lower surface of installation casing, support column fixed connection is at solid fixed ring's upper surface, support interior casing and be the setting of spherical shell form, and should support interior casing fixed connection in the upper end of support column, the through-hole link up and sets up on supporting the inner wall on casing upper portion in, and this through-hole is circular setting. The support columns fixed on the upper surface of the fixing ring support the inner shell to be supported, and the through holes in the inner shell are used for simulating internal structures such as human crystalline lens and the like, so that the structure of the eyeball is more detailed.
Further, still include erection column, fixed plate, installation axle and fastening bolt, the upper end fixed connection of erection column is in the surface of installation casing lower part, the fixed plate sets up the below at the erection column, and the intermediate position of this fixed plate upper surface rotates and is connected with an installation axle, the upper end of installation axle is in the same place through fastening bolt and the lower extreme fixed connection of erection column. Through erection column and installation axle, support the upper surface of fixing the fixed plate with whole model, realized placing the convenience on the desktop with the model, the inclination of model is convenient for adjust in setting up of fastening bolt simultaneously, is convenient for student's direct observation in teaching or actual operation.
Further, still include gear, installation piece, threaded shaft, crank and rubber handle, gear fixed connection is on the surface of the installation axle middle part body of rod, the installation piece is provided with two altogether, and two installation pieces are the upper surface of fixed connection in fixed plate front end both sides respectively, the internal surface at two fixed plates is connected in the rotation respectively at the both ends of threaded shaft, and this threaded shaft is connected with gear engagement, articulate one end fixed connection is at the tip that the threaded shaft passed fixed plate one side surface, the fixed cup joint of rubber handle is at the articulate other end. Shaking the crank with the hand and can letting the screw thread axle rotate, and then drive the installation axle through the gear and follow the rotation, realize rejecting the model and rotate certain angle, made things convenient for student's study and observation.
The fixing device is characterized by further comprising a positioning groove and fixing screw holes, wherein the positioning groove is respectively communicated with the upper surface of the middle position of the front end and the rear end of the fixing plate, and the fixing screw holes are arranged on the upper surface of the fixing plate in an array communicated manner. The locating slot and the fixed screw hole can enable the rejection model to be installed and fixed on different board surfaces, the function of quick installation and location is achieved, and the disassembly and assembly time can be saved in the practical use.
Compared with the prior art, the beneficial effects of the utility model are that: this model is rejected to detachable ophthalmology cornea foreign matter has following benefit:
1. this model is rejected to detachable ophthalmology cornea foreign matter adopts the mosaic structure of combination formula, shows the cornea position of ophthalmic surgery comparatively in detail, is used for teaching and simulation operation all can in the hospital, has comparatively convenient practical application and worth.
2. Simultaneously, come the comparison with traditional teaching model and can discover, should reject the model and can trade the silica gel material that is comparatively close with eyes, and can place the foreign matter in the intermediate layer, let students manual operation, the better purpose of having realized the teaching.
3. This model is rejected to detachable ophthalmology cornea foreign matter, but angle regulation's mode of setting adjusts to suitable angle when being convenient for operate and teaching, and other doctors's of being convenient for observation has improved the convenience that the model used, is accepted by people more easily.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the mounting structure comprises a mounting shell body 1, a positioning hole 2, a combined unit 3, a mounting ring 31, an inner shell body 32, a first positioning column 33, an outer shell body on the left side 34, a second positioning column 35, a connecting hole 36, an outer shell body on the right side 37, a connecting column 38, a fixing ring 4, a supporting column 5, an inner shell body 6, a through hole 7, a mounting column 8, a fixing plate 9, a mounting shaft 10, a fastening bolt 11, a gear 12, a mounting block 13, a threaded shaft 14, a crank 15, a rubber handle 16, a positioning groove 17 and a fixing screw hole 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-1, the present invention provides a technical solution: a detachable ophthalmic corneal foreign body removing model comprises a mounting shell 1, a positioning hole 2 and a combination unit 3;
installing the shell 1: the installation shell 1 is a spherical shell, an upper hemisphere of the installation shell 1 is transversely cut, and the positioning holes 2 are arranged on a plane cut above the installation shell 1 in an annular array; still including solid fixed ring 4, support column 5, support interior casing 6 and through-hole 7, gu fixed ring 4 fixed connection is in the intermediate position of the inside lower surface of installation casing 1, 5 fixed connection of support column are at solid fixed ring 4's upper surface, support interior casing 6 and be the setting of spherical shell form, and should support interior casing 6 fixed connection in the upper end of support column 5, through-hole 7 link up to set up on supporting the inner wall on interior casing 6 upper portion, and this through-hole 7 is circular setting. The supporting columns 5 fixed on the upper surface of the fixing ring 4 support the inner supporting shell 6, and the through holes 7 on the inner supporting shell 6 imitate the internal structures of human crystalline lens and the like, so that the structure of the eyeball is more detailed.
Combination unit 3: the combined unit 3 comprises a mounting ring 31, an inner shell 32, a first positioning column 33, a left outer shell 34, a second positioning column 35, a connecting hole 36, a right outer shell 37 and a connecting column 38, wherein the lower surface of the mounting ring 31 is fixedly connected with the first positioning column 33 in an annular array, the first positioning column 33 is matched and connected with the positioning hole 2, the inner shell 32 is fixedly connected with the inner side of the upper surface of the mounting ring 31, the left half of the outer side of the upper surface of the mounting ring 31 is provided with a limiting hole at equal distance, the left outer shell 34 is arranged in a quarter shell shape, the lower surface of the left outer shell 34 is fixedly connected with the second positioning column 35 at equal distance, the connecting hole 36 is arranged at equal distance on the vertical side surface of the right outer shell 34, the appearance of the right outer shell 37 is symmetrically arranged with the left outer shell 34, and the connecting, the connecting column 38 is connected with a connecting hole 36 formed in the vertical section of the left outer shell 34 in a matching way. Set up interior casing 32, left side shell body 34 and right side shell body 37 similar with the cornea in the modular unit 3, in actual operation, can part left side shell body 34 with right side shell body 37, and then place the foreign matter in the centre for operation simulation actual operation, connection structure's such as connecting hole 36 the dismouting of being convenient for is convenient for in setting up of while, the dismantlement operation when explaining more convenient. Still include erection column 8, fixed plate 9, installation axle 10 and fastening bolt 11, the upper end fixed connection of erection column 8 is in the surface of 1 lower part of installation casing, and fixed plate 9 sets up in the below of erection column 8, and the intermediate position of this fixed plate 9 upper surface rotates and is connected with an installation axle 10, and the lower extreme fixed connection that fastening bolt 11 and erection column 8 are passed through to the upper end of installation axle 10 is in the same place. Through erection column 8 and installation axle 10, support the upper surface of fixing to fixed plate 9 with whole model, realized placing the convenience on the desktop with the model, the inclination of model is convenient for adjust in the setting of fastening bolt 11 simultaneously, is convenient for student's direct observation in teaching or actual operation. Still include gear 12, installation piece 13, threaded shaft 14, crank 15 and rubber handle 16, gear 12 fixed connection is on the surface of the installation axle 10 middle part body of rod, installation piece 13 is provided with two altogether, two installation piece 13 difference fixed connection are the upper surface in fixed plate 9 front end both sides, threaded shaft 14's both ends rotate respectively and connect the internal surface at two fixed plates 9, and this threaded shaft 14 is connected with gear 12 meshing, crank 15's one end fixed connection is at the tip that threaded shaft 14 passed fixed plate 9 one side surface, rubber handle 16 is fixed to be cup jointed at crank 15's the other end. The crank 15 is shaken by hand to rotate the threaded shaft 14, and then the gear 12 drives the mounting shaft 10 to rotate along with the threaded shaft, so that the model is removed and rotated by a certain angle, and the study and observation of students are facilitated. The fixing device further comprises a positioning groove 17 and fixing screw holes 18, wherein the positioning groove 17 is respectively communicated with the upper surface of the middle position of the front end and the rear end of the fixing plate 9, and the fixing screw holes 18 are arranged on the upper surface of the fixing plate 9 in an array mode. The positioning groove 17 and the fixing screw hole 18 can enable the rejection model to be installed and fixed on different plate surfaces, the function of quick installation and positioning is achieved, and the disassembly and assembly time can be saved in practical use.
When in use:
set up interior casing 32, left side shell body 34 and right side shell body 37 similar with the cornea in the modular unit 3, in actual operation, can part left side shell body 34 with right side shell body 37, and then place the foreign matter in the centre for operation simulation actual operation, connection structure's such as connecting hole 36 the dismouting of being convenient for is convenient for in setting up of while, the dismantlement operation when explaining more convenient. The supporting columns 5 fixed on the upper surface of the fixing ring 4 support the inner supporting shell 6, and the through holes 7 on the inner supporting shell 6 imitate the internal structures of human crystalline lens and the like, so that the structure of the eyeball is more detailed. Through erection column 8 and installation axle 10, support the upper surface of fixing to fixed plate 9 with whole model, realized placing the convenience on the desktop with the model, the inclination of model is convenient for adjust in the setting of fastening bolt 11 simultaneously, is convenient for student's direct observation in teaching or actual operation. The crank 15 is shaken by hand to rotate the threaded shaft 14, and then the gear 12 drives the mounting shaft 10 to rotate along with the threaded shaft, so that the model is removed and rotated by a certain angle, and the study and observation of students are facilitated. The positioning groove 17 and the fixing screw hole 18 can enable the rejection model to be installed and fixed on different plate surfaces, the function of quick installation and positioning is achieved, and the disassembly and assembly time can be saved in practical use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A detachable ophthalmic corneal foreign body removal model is characterized in that: comprises an installation shell (1), a positioning hole (2) and a combination unit (3);
mounting housing (1): the mounting shell (1) is arranged in a spherical shell, an upper hemisphere of the mounting shell (1) is transversely cut, and the positioning holes (2) are arranged on a plane cut above the mounting shell (1) in an annular array;
combination unit (3): the combined unit (3) comprises a mounting ring (31), an inner shell (32), a first positioning column (33), a left outer shell (34), a second positioning column (35), a connecting hole (36), a right outer shell (37) and a connecting column (38), wherein the lower surface of the mounting ring (31) is fixedly connected with the first positioning column (33) in an annular array manner, the first positioning column (33) is matched and connected with the positioning hole (2), the inner side of the upper surface of the mounting ring (31) is fixedly connected with the inner shell (32), a limiting hole is equidistantly formed in the left half side, close to the outer side, of the upper surface of the mounting ring (31), the left outer shell (34) is arranged in a quarter shell shape, the second positioning column (35) is fixedly connected with the lower surface of the left outer shell (34) in an equidistant manner, the positioning column (35) is matched and connected with the limiting hole in the upper surface of the mounting ring (, connecting hole (36) have been seted up to equidistance on the vertical side in left side shell body (34) right side, right side shell body (37) appearance sets up with left side shell body (34) symmetry, and equidistance fixedly connected with spliced pole (38) on the vertical cross-section of this right side shell body (37), connecting hole (36) cooperation that spliced pole (38) and left side shell body (34) vertical cross-section were seted up link together.
2. A detachable ophthalmic corneal foreign body removal model according to claim 1, wherein: still including solid fixed ring (4), support column (5), support interior casing (6) and through-hole (7), gu fixed ring (4) fixed connection is in the intermediate position of the inside lower surface of installation casing (1), support column (5) fixed connection is at the upper surface of solid fixed ring (4), support interior casing (6) and be spherical shell form setting, and should support the upper end of interior casing (6) fixed connection at support column (5), through-hole (7) link up and set up on the inner wall on supporting interior casing (6) upper portion, and this through-hole (7) is circular setting.
3. A detachable ophthalmic corneal foreign body removal model according to claim 1, wherein: still include erection column (8), fixed plate (9), installation axle (10) and fastening bolt (11), the upper end fixed connection of erection column (8) is in the surface of installation casing (1) lower part, fixed plate (9) set up the below at erection column (8), and the intermediate position of this fixed plate (9) upper surface rotates and is connected with an installation axle (10), the lower extreme fixed connection that fastening bolt (11) and erection column (8) are passed through to the upper end of installation axle (10) is in the same place.
4. A detachable ophthalmic corneal foreign body removal model according to claim 3, wherein: still include gear (12), installation piece (13), threaded spindle (14), crank (15) and rubber handle (16), gear (12) fixed connection is on the surface of the installation axle (10) middle part body of rod, installation piece (13) are provided with two altogether, and two installation pieces (13) are fixed connection respectively at the upper surface of fixed plate (9) front end both sides, the both ends of threaded spindle (14) rotate respectively and connect on the inboard surface of two fixed plates (9), and the meshing links together between this threaded spindle (14) and gear (12), the one end fixed connection of crank (15) passes the tip of fixed plate (9) surface one end at threaded spindle (14), the fixed other end of cup jointing in crank (15) of rubber handle (16).
5. A detachable ophthalmic corneal foreign body removal model according to claim 3, wherein: the fixing device is characterized by further comprising a positioning groove (17) and fixing screw holes (18), wherein the positioning groove (17) is respectively communicated with the upper surface of the middle position of the front end and the rear end of the fixing plate (9), and the fixing screw holes (18) are arranged on the upper surface of the fixing plate (9) in a rectangular array in a communicated mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443339.XU CN211628539U (en) | 2019-12-30 | 2019-12-30 | Detachable ophthalmic corneal foreign body removing model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443339.XU CN211628539U (en) | 2019-12-30 | 2019-12-30 | Detachable ophthalmic corneal foreign body removing model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211628539U true CN211628539U (en) | 2020-10-02 |
Family
ID=72633933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922443339.XU Expired - Fee Related CN211628539U (en) | 2019-12-30 | 2019-12-30 | Detachable ophthalmic corneal foreign body removing model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211628539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113971900A (en) * | 2021-11-17 | 2022-01-25 | 中国人民解放军陆军特色医学中心 | Simulated eyeball rotation model for glaucoma teaching |
-
2019
- 2019-12-30 CN CN201922443339.XU patent/CN211628539U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113971900A (en) * | 2021-11-17 | 2022-01-25 | 中国人民解放军陆军特色医学中心 | Simulated eyeball rotation model for glaucoma teaching |
| CN113971900B (en) * | 2021-11-17 | 2023-12-19 | 中国人民解放军陆军特色医学中心 | Simulation eyeball rotation model for glaucoma teaching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2218863A1 (en) | Contact lenses for simulation of visual disabilities | |
| CN204890521U (en) | Eyes trainer | |
| CN211628539U (en) | Detachable ophthalmic corneal foreign body removing model | |
| CN102920532B (en) | Artificial cornea | |
| CN106057049A (en) | Detachable ophthalmic cornea suturing model | |
| CN218100510U (en) | Teaching aid for fundus examination and laser treatment of eyes | |
| CN105640749A (en) | Vision protection glasses and vision correcting method | |
| Kivell et al. | An interactive method for teaching anatomy of the human eye for medical students in ophthalmology clinical rotations | |
| CN205286874U (en) | Portable pseudomyopia corrects appearance | |
| CN216671002U (en) | Ophthalmology simulation teaching equipment | |
| CN112150903A (en) | Simulated optical eye function model | |
| WO2017080054A1 (en) | Intelligent intraocular and extraocular muscle sensitive motion training device and training method thereof | |
| CN207690335U (en) | A kind of supersonic emulsified cataract extraction training device | |
| CN2734001Y (en) | Multifunctional desk with eyesight protection function | |
| CN207081907U (en) | A kind of massage glasses frame for correcting defects of vision | |
| CN212365317U (en) | Ciliary muscle relaxation and shrinkage and crystalline lens curvature adjustment principle demonstration device | |
| CN213303429U (en) | Simulated optical eye function model | |
| CN108630081A (en) | A kind of dismountable ophthalmic cornea foreign body eliminating model | |
| CN201184934Y (en) | Ostiole eyeglass | |
| CN219997725U (en) | Eyeball model for teaching | |
| CN213070315U (en) | Eyeball simulator for assisting ophthalmologist in practicing front mirror and three-mirror | |
| CN218943307U (en) | Ophthalmic treatment inspection device convenient for inspection | |
| CN217932993U (en) | Eyeball model | |
| CN219800344U (en) | Ophthalmic device | |
| CN114937405B (en) | Teaching aid for fundus examination and laser treatment of eyes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 |