CN110327155A - A kind of electric heating Nitinol crystalline lens cutting cystoma device - Google Patents
A kind of electric heating Nitinol crystalline lens cutting cystoma device Download PDFInfo
- Publication number
- CN110327155A CN110327155A CN201910723044.XA CN201910723044A CN110327155A CN 110327155 A CN110327155 A CN 110327155A CN 201910723044 A CN201910723044 A CN 201910723044A CN 110327155 A CN110327155 A CN 110327155A
- Authority
- CN
- China
- Prior art keywords
- handle
- connector
- electric heating
- crystalline lens
- electrode
- 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
- 210000000695 crystalline len Anatomy 0.000 title claims abstract description 31
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910001000 nickel titanium Inorganic materials 0.000 title claims abstract description 27
- 238000005485 electric heating Methods 0.000 title claims abstract description 22
- 201000005171 Cystadenoma Diseases 0.000 title claims abstract description 20
- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 20
- 239000002775 capsule Substances 0.000 claims abstract description 55
- 238000002513 implantation Methods 0.000 claims description 25
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal 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
- 239000012528 membrane Substances 0.000 abstract description 11
- 206010011732 Cyst Diseases 0.000 abstract description 10
- 208000031513 cyst Diseases 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract description 2
- 210000001508 eye Anatomy 0.000 description 6
- 210000002159 anterior chamber Anatomy 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 208000002177 Cataract Diseases 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 201000000651 Morgagni cataract Diseases 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000012176 hypermature cataract Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance 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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
- A61F9/00754—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments for cutting or perforating the anterior lens capsule, e.g. capsulotomes
Abstract
The present invention provides a kind of electric heating Nitinol crystalline lens cutting cystoma devices, it is related to ophthalmic instruments technical field, including handle, press handle, it is implanted into casing, connector and section capsule ring, the handle is by tube wall and the battery composition being mounted on inside the tube wall, the battery is electrically connected by built-in circuit with the chimeric external electrode for being mounted on the tube wall surface, the side wall of the connector be arranged it is parallel with the connector described in press handle, the lower end of the handle is connect with the connector, the handle surface opposite with handle is pressed is fitted into external electrode and electrode 1 respectively, the external electrode and the electrical contact connection of electrode 1;The application devises a kind of electric heating Nitinol crystalline lens cutting cystoma device, can accurately control the diameter and shape of cyst membrane incision, safety is good, easy to operate.
Description
Technical field
The present invention relates to ophthalmic instruments technical fields, and in particular to a kind of electric heating Nitinol crystalline lens cutting cystoma device.
Background technique
In cataract operation, the incision of anterior lens capsule has two major classes mode: cutting capsule and capsulorhexis.It cuts capsule and uses a section capsule
Needle or self-control discission needle manual operation are made annular dotted section of capsule of interruption along the circumference of predetermined diameter, are removed in circumference after the completion
Cyst membrane.Capsulorhexis includes Tweezers for eye surgery capsulorhexis and femtosecond laser capsulorhexis.Tweezers for eye surgery capsulorhexis is with Tweezers for eye surgery in the lower section of predetermined diameter circumference
Preceding capsule to be scratched, then circumferentially does annular continuous cyst membrane and removes, capsulorhexis direction is left hand capsulorhexis clockwise or right hand capsulorhexis counterclockwise,
Capsulorhexis completion can remove cyst membrane in circumference.The medium of femtosecond laser capsulorhexis is laser, for the accurate operation skill under computer control
Art with femtosecond laser along the circumference high frequency sweep of setting diameter, punctures cyst membrane, scanning is completed that is, after the fixed eyeball of negative pressure ring
Remove cyst membrane in circumference manually afterwards.
In the prior art section of capsule has the following deficiencies: operation accuracy and poor controllability, cuts lens capsule membrane edge after capsule
Edge forms zigzag or broken edge, causes cyst membrane all directions tension uneven, is easy secondary cyst membrane tearing, even results in crystalline
Body core falls into the severe complications such as vitreous chamber backward.
In response to this problem, this application provides a kind of electric heating Nitinol crystalline lens cutting cystoma device, cyst membrane can accurately be controlled
The diameter and shape of incision, safety is good, easy to operate.
Summary of the invention
In order to overcome the shortcomings of the prior art described above, the present invention provides a kind of electric heating Nitinol crystalline lenses to cut capsule
Device.
To achieve the goals above, the invention provides the following technical scheme: a kind of electric heating Nitinol crystalline lens cutting cystoma device,
Include: handle, press handle, implantation casing, connector and cut capsule ring, the handle is by tube wall and is mounted on inside the tube wall
Battery composition, the battery are electrically connected by built-in circuit with the chimeric external electrode for being mounted on the tube wall surface, the company
The side wall of connector be arranged it is parallel with the connector described in press handle, the lower end of the handle is connect with the connector, institute
It states the handle surface opposite with handle is pressed and is fitted into external electrode and electrode 1 respectively, the external electrode and the electrical contact of electrode 1 connect
It connects;
The handle presses handle and the equal inner hollow of connector, and sliding rail, the implantation casing is arranged in the connector side wall
It is slidably mounted on the outside of the connector, the end that the connector and implantation casing deviate from the handle is respectively provided with through-hole,
Described section of capsule ring be not closed, Foldable with the handle side wall be in angle endless metal circle, described section of capsule ring is not
Two electric wires are separately connected at closure, two electric wires sequentially pass through the through-hole of the implantation casing and connector, an institute
Wire end installation electrode 2 is stated, the electrode 2 is connect with the cell electrical contacts, is pressed described in another described electric wire entrance
It is electrically connected in handle with the electrode 1.
Further, the horizontal mobile control-rod of the implantation sleeve side walls setting.
Further, card interface, one end card of the handle (1) is arranged away from the end for cutting capsule ring in the connector
It connects in the card interface.
Further, the material of the implantation casing and connector is PMMA.
Further, described section of capsule ring uses diameter for 0.03mm nitinol alloy wire, and it is 6mm's that described section of capsule ring, which is diameter,
Non-closed ring, described section of capsule ring and the handle side wall are in 120 ° of angles.
Further, the built-in circuit includes spring leaf and electric wire, and the battery passes sequentially through the spring leaf and electricity
Line is electrically connected with the chimeric external electrode for being mounted on the tube wall surface.
Further, the battery is LR41 button cell.
A kind of electric heating Nitinol crystalline lens cutting cystoma device structure provided by the invention is simple, and design is reasonable, novel, user
Just, effectively rule anterior lens capsule can be cut, while effectively avoids cutting manually during capsule, Tweezers for eye surgery capsulorhexis, lens capsule
The film risks such as tearing, not placed in the middle, irregular extremely.For hypermature cataract operation, incomplete dislocation operation on lens, suspensorium
The highly difficult cataract operation such as loose operation on lens is especially suitable, while low in cost, stabilization easy to operate, convenient for promoting
It uses;This application provides a kind of electric heating Nitinol crystalline lens cutting cystoma devices, using button cell as power supply, and in handle in
Circuits, external electrode cut the electrode in capsule ring and connector, can form closed loop circuit, and heating Nitinol cuts capsule ring,
Crystalline peplos are burnt, realizes and precisely cuts capsule.The diameter and shape of cyst membrane incision can be accurately controlled, safety is good, operation letter
Just.
Detailed description of the invention
Fig. 1 be a kind of flexible figure of the structure of electric heating Nitinol crystalline lens cutting cystoma device provided by the invention, side view and
Front view;
Fig. 2 is a kind of enlarged drawing in the section A of electric heating Nitinol crystalline lens cutting cystoma device provided by the invention;
Fig. 3 is a kind of enlarged drawing of the B-section of electric heating Nitinol crystalline lens cutting cystoma device provided by the invention.
Description of symbols: 1- handle, 2- press handle, and 3- is implanted into casing, 4- connector, and 5- cuts capsule ring, 1a- tube wall, 1b-
Battery, 1c- external electrode, 1d- built-in circuit, the mobile control-rod of 3a-, 4a- electrode 2,4b- electrode Isosorbide-5-Nitrae c- electric wire, 6- clamping
Mouthful.
Specific embodiment
With reference to the accompanying drawing, further description of the specific embodiments of the present invention.Following embodiment is only used for more
Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description technical solution of the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property.In the description of the present invention, it should be noted that unless otherwise specific regulation or limit, term " connected ", " connection " are answered
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection or integral type connects;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, be also possible to indirectly connected through an intermediary.For the general of this field
For logical technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.It is retouched in of the invention
In stating, unless otherwise indicated, the meaning of " plurality " is two or more, and this will not be detailed here.
In order to understand and illustrate, a kind of electric heating Nitinol crystalline lens that an embodiment of the present invention will be described in detail below cuts capsule
Device.
As shown in Figure 1-Figure 3, a kind of electric heating Nitinol crystalline lens cutting cystoma device, comprising: handle 1 presses handle 2, implantation set
Pipe 3, connector 4 and section capsule ring 5, the handle 1 is made of tube wall 1a and the battery 1b being mounted on inside the tube wall 1a, described
Battery 1b is electrically connected by built-in circuit 1d with the chimeric external electrode 1c for being mounted on the surface the tube wall 1a, the connector 4
Side wall be arranged it is parallel with the connector 4 described in press handle 2, the lower end of the handle 1 is connect with the connector 4, institute
It states handle 1 and presses the opposite surface of handle 2 and be fitted into 1 4b of external electrode 1c and electrode, the external electrode 1c and electrode 1 respectively
4b electrical contact connection, i.e., circuit communication after the described external electrode 1c is in contact with 1 4b of electrode;
The handle 1 presses handle 2 and the equal inner hollow of connector 4, and sliding rail, the implantation is arranged in 4 side wall of connector
Casing 3 is slidably mounted on the outside of the connector 4, the one circle screw thread of side surface setting of 4 end of connector, when the plant
When entering casing 3 and sliding into the end of the connector 4, the outer horizontal by the implantation casing 3 in the connector 4 rotates 90
Degree prevents the implantation casing 3 from moving again, guarantees not falling off after a section capsule ring is smoothly released.3 side wall of the implantation casing setting
Horizontal mobile control-rod 3a, changes the implantation casing 3 outside the connector 4 by stirring the mobile control-rod 3a
The position in portion, the implantation casing 3 guarantee operational stability, prevent simultaneously in the steady progress relative motion in 4 outside of connector
It only cuts the damage of capsule ring and injures eyeball inner tissue.The connector 4 is respectively provided with implantation casing 3 away from the end of the handle 1
Through-hole, described section of capsule ring 5 be not closed, Foldable with 1 side wall of handle be in angle endless metal circle, described section
The place of closure is not separately connected two electric wires 4c, two electric wire 4c and sequentially passes through the implantation casing 3 and connector 4 capsule ring 5
Through-hole, end electric wire 4c installation 2 4a of electrode, 2 4a of electrode and the battery 1b electrical contact connects, another
It presses described in a electric wire 4c entrance and is electrically connected in handle 2 with 1 4b of electrode.
Card interface 6 is arranged away from the end for cutting capsule ring 5 in the connector 4, and one end of the handle 1 is connected to described
In card interface 6, screw thread, the handle 1 that is spirally connected that can be consolidated are set in the card interface 6.The implantation casing 3 and connector
4 material is PMMA, which is easily obtained, safe and environment-friendly, energy saving and light.Described section of capsule ring 5 use diameter for
0.03mm nitinol alloy wire, described section of capsule ring 5 are the non-closed ring that diameter is 6mm, described section of capsule ring 5 and 1 side wall of handle
In 120 ° of angles.The built-in circuit 1d includes spring leaf and electric wire, and the battery 1b passes sequentially through the spring leaf and electric wire
It is electrically connected with the chimeric external electrode 1c for being mounted on the surface the tube wall 1a.The battery 1b is LR41 button cell.
It can be by external electrode 1c, electric wire, spring leaf, battery 1b, 2 4a of electrode, electric wire 4c, section capsule ring 5, electric wire 4c, electrode
The closed circuit that 1 4b is formed, wherein route is connected to after the external electrode 1c is contacted with 1 4b of electrode.
Working principle: under stationary state, press handle with handle is relatively parallel separates.When pressing handle, electrode 1 with it is external
Electrode is connected, and forms closed circuit;Pressure is removed, handle recovery is pressed, restores, circuitry cuts relatively parallel with handle.
When in use, casing is entered into anterior chamber through corneal incision, then capsule ring will be cut by releasing forward in implantation casing, entered
Anterior chamber is fitted in anterior lens capsule film surface after restoring annular, is connected internal battery by pressing connector side shoot and is formed
Closed circuit heats nitinol alloy wire, burns anterior lens capsule, realizes and cuts capsule.
In operation, after being implanted into anterior chamber of the casing 3 into operation eye, mobile control-rod 3a is pulled back, makes to be implanted into casing 3
It moves up, cuts capsule ring 5 and expose, and be voluntarily unfolded.Capsule ring 5 will be cut to be attached at after anterior lens capsule, handle 2 is pressed, make hand
The external electrode 1c and 1 4b of electrode of handle are in contact, to sequentially form external electrode 1c, electric wire, spring leaf, battery 1b, electrode
2 4a, electric wire 4c, the closed circuit for cutting capsule ring 5, electric wire 4c, 1 4b of electrode, battery 1b electric discharge, a section capsule ring 5, which is heated, burns crystalline substance
Capsule before shape body is completed to cut capsule.After, implantation casing 3 is moved forward, the storage of capsule ring 5 will be cut again and be folded in implantation casing 3,
The anterior chamber of operation eye is exited together.
Embodiment described above is merely preferred embodiments of the present invention, and the scope of protection of the present invention is not limited to this,
Anyone skilled in the art within the technical scope of the present disclosure, the technical solution that can be become apparent to
Simple change or equivalence replacement, all belong to the scope of protection of the present invention.
Claims (7)
1. a kind of electric heating Nitinol crystalline lens cutting cystoma device, comprising: handle (1) presses handle (2), implantation casing (3), connector
(4) and capsule ring (5) are cut, the handle (1) is made of tube wall (1a) and the battery (1b) being mounted on inside the tube wall (1a), institute
It states battery (1b) and is electrically connected by built-in circuit (1d) with the chimeric external electrode (1c) for being mounted on the surface the tube wall (1a), institute
State connector (4) side wall be arranged it is parallel with the connector (4) described in press handle (2), the lower end of the handle (1) and institute
It states connector (4) connection, the handle (1) and presses the opposite surface of handle (2) chimeric external electrode (1c) and electrode 1 respectively
(4b), the external electrode (1c) and electrode 1 (4b) electrical contact connection;
The handle (1) presses handle (2) and connector (4) equal inner hollow, and sliding rail is arranged in connector (4) side wall, described
Implantation casing (3) is slidably mounted on the outside of the connector (4), and the connector (4) and implantation casing (3) deviate from the hand
The end of handle (1) is respectively provided with through-hole, described section of capsule ring (5) be not closed, Foldable with the handle (1) side wall in folder
The endless metal circle at angle, the place of closure is not separately connected two electric wires (4c) to described section of capsule ring (5), and two electric wires (4c) are successively
Through-hole across implantation casing (3) and connector (4), the electric wire end (4c) installation electrode 2 (4a), the electricity
Pole 2 (4a) and the battery (1b) electrical contact connect, another described electric wire (4c) enter described in press in handle (2) with the electricity
Pole 1 (4b) electrical connection.
2. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that the implantation casing
(3) the horizontal mobile control-rod (3a) of side wall setting.
3. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that the connector
(4) card interface (6) are set away from the end for cutting capsule ring (5), one end of the handle (1) is connected to the card interface (6)
It is interior.
4. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that the implantation casing
(3) and the material of connector (4) is PMMA.
5. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that described section of capsule ring
(5) use diameter for 0.03mm nitinol alloy wire, described section of capsule ring (5) is the non-closed ring that diameter is 6mm, described section of capsule ring
It (5) is in 120 ° of angles with the handle (1) side wall.
6. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that the built-in circuit
(1d) includes spring leaf and electric wire, and the battery (1b) passes sequentially through the spring leaf and electric wire and is mounted on the tube wall with chimeric
The external electrode (1c) on the surface (1a) is electrically connected.
7. a kind of electric heating Nitinol crystalline lens cutting cystoma device according to claim 1, which is characterized in that the battery (1b)
For LR41 button cell.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910723044.XA CN110327155A (en) | 2019-08-06 | 2019-08-06 | A kind of electric heating Nitinol crystalline lens cutting cystoma device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910723044.XA CN110327155A (en) | 2019-08-06 | 2019-08-06 | A kind of electric heating Nitinol crystalline lens cutting cystoma device |
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CN110327155A true CN110327155A (en) | 2019-10-15 |
Family
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CN201910723044.XA Pending CN110327155A (en) | 2019-08-06 | 2019-08-06 | A kind of electric heating Nitinol crystalline lens cutting cystoma device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114288085A (en) * | 2021-12-31 | 2022-04-08 | 南昌华安众辉健康科技有限公司 | Ophthalmic capsulorhexis device |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060100617A1 (en) * | 2004-11-09 | 2006-05-11 | Alcon, Inc. | Capsularhexis device |
CN102271633A (en) * | 2009-01-12 | 2011-12-07 | 爱尔康研究有限公司 | Capsularhexis device with retractable bipolar electrodes |
CN205849640U (en) * | 2016-06-14 | 2017-01-04 | 陈康 | Cataract cutting cystoma device |
CN107582238A (en) * | 2016-07-07 | 2018-01-16 | 郑科 | ZK annular electro cutting cystoma devices |
CN208481574U (en) * | 2018-01-05 | 2019-02-12 | 邵光辉 | A kind of cataract cutting cystoma device |
CN109330767A (en) * | 2018-09-18 | 2019-02-15 | 姜良玉 | It is a kind of to treat the intelligent cutting cystoma device of cataract |
CN211244042U (en) * | 2019-08-06 | 2020-08-14 | 西南医科大学附属医院 | Electrothermal nickel-titanium alloy lens capsulotomy device |
-
2019
- 2019-08-06 CN CN201910723044.XA patent/CN110327155A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060100617A1 (en) * | 2004-11-09 | 2006-05-11 | Alcon, Inc. | Capsularhexis device |
CN102271633A (en) * | 2009-01-12 | 2011-12-07 | 爱尔康研究有限公司 | Capsularhexis device with retractable bipolar electrodes |
CN205849640U (en) * | 2016-06-14 | 2017-01-04 | 陈康 | Cataract cutting cystoma device |
CN107582238A (en) * | 2016-07-07 | 2018-01-16 | 郑科 | ZK annular electro cutting cystoma devices |
CN208481574U (en) * | 2018-01-05 | 2019-02-12 | 邵光辉 | A kind of cataract cutting cystoma device |
CN109330767A (en) * | 2018-09-18 | 2019-02-15 | 姜良玉 | It is a kind of to treat the intelligent cutting cystoma device of cataract |
CN211244042U (en) * | 2019-08-06 | 2020-08-14 | 西南医科大学附属医院 | Electrothermal nickel-titanium alloy lens capsulotomy device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114288085A (en) * | 2021-12-31 | 2022-04-08 | 南昌华安众辉健康科技有限公司 | Ophthalmic capsulorhexis device |
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