CN105476744B - A kind of anterior vitreous cutter device - Google Patents
A kind of anterior vitreous cutter device Download PDFInfo
- Publication number
- CN105476744B CN105476744B CN201610098073.8A CN201610098073A CN105476744B CN 105476744 B CN105476744 B CN 105476744B CN 201610098073 A CN201610098073 A CN 201610098073A CN 105476744 B CN105476744 B CN 105476744B
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- China
- Prior art keywords
- cutter device
- chamber
- device housing
- anterior vitreous
- perfusion
- 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
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- 239000000523 sample Substances 0.000 claims abstract description 32
- 230000010412 perfusion Effects 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 2
- 210000002159 anterior chamber Anatomy 0.000 abstract description 16
- 210000001232 limbus corneae Anatomy 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 208000002177 Cataract Diseases 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 210000001508 eye Anatomy 0.000 description 3
- 208000010412 Glaucoma Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000000245 forearm Anatomy 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000031354 Hyphema Diseases 0.000 description 1
- 206010024203 Lens dislocation Diseases 0.000 description 1
- 208000001344 Macular Edema Diseases 0.000 description 1
- 206010025415 Macular oedema Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 210000001742 aqueous humor Anatomy 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 201000000245 lens subluxation Diseases 0.000 description 1
- 201000010230 macular retinal edema Diseases 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 201000008525 senile cataract Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of anterior vitreous cutter device, it includes：Cutter device housing, the cutter device housing is provided with outside liquid interface；Perfusion and drainage pipe, the perfusion and drainage pipe is arranged in the cutter device housing, and the upper end of perfusion and drainage pipe is connected with the outside liquid interface；Two-chamber probe, the inside of the two-chamber probe includes parallel arrangement of first cavity and the second cavity；The upper end of the two-chamber probe is fixedly connected with the cutter device housing, and lower end is provided with fill openings；The lower end of perfusion and drainage pipe is connected with the first cavity upper end, and the lower end of the first cavity is connected with fill openings.Utilize the anterior vitreous cutter device of the present invention, it may not be necessary to set up under conditions of reverse headgear by separately cut-out of limbus corneae, while intra-atrial pressure power is stable before holding, safely and efficiently cut off the anterior vitreous charged into anterior chamber.
Description
Technical field
The invention belongs to technical field of medical instruments, the anterior vitreous used in more particularly to a kind of operated eye is cut
Cut device.
Background technology
In opthalmic surgery, because a variety of causes causes posterior lens capsule to rupture or defect, vitreum is taken off into anterior chamber
Situation it is relatively conventional.Vitreum takes off can influence next step artificial lens to be implanted into anterior chamber, hinder postoperative pupil to recover normal circle
Shape outward appearance, or hinder aqueous humor circulation to cause secondary glaucoma.Even more serious possibly even pulls because of lasting vitreum
Cause postcataract macular edema or detachment of retina.Therefore vitreum takes off should will be taken off into anterior chamber into anterior chamber using various methods
Vitreous excision.
Vitreous cutter is the device that the vitreum in eyes is cut and absorbed in surgical procedure.In front portion
It is clinically general to be removed vitreous scissors using iris scissors before vitreous cutter occurs, but this method inefficiency, excision is not
Thoroughly, easily there is severe complication, therefore using limited.Anterior vitreous cutter common at present is in itself without perfusion work(
Can, in order to which intra-atrial pressure power is stable before keeping in cutting process, maintain anterior chamber's normal depth, it is necessary to separately by corneoscleral junction otch
Set up in reverse headgear, or cutting process and viscoelastic agent is constantly supplemented in anterior chamber.But both approaches or add eye
The operation wound of ball, or cutting efficiency are low, waste expensive viscoelastic agent.
The content of the invention
It is an object of the invention to provide a kind of anterior vitreous cutter device, to solve to utilize existing instrument glass-cutting body
The operation wound of eyeball can be increased, or cutting efficiency is lowly, wastes the technical problem of expensive viscoelastic agent.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of anterior vitreous cutter device, it includes：
Cutter device housing, the cutter device housing is provided with outside liquid interface；
Perfusion and drainage pipe, the perfusion and drainage pipe is arranged in the cutter device housing, the upper end of perfusion and drainage pipe with
The outside liquid interface connection；
Two-chamber probe, the inside of the two-chamber probe includes parallel arrangement of first cavity and the second cavity；The two-chamber
The upper end of probe is fixedly connected with the cutter device housing, and lower end is provided with fill openings；The lower end of perfusion and drainage pipe and the
One cavity upper end is connected, and the lower end of the first cavity is connected with fill openings.
Anterior vitreous cutter device as described above of the invention, further, the cutter device housing is additionally provided with gas
Mobile interface and negative port；Cutter device enclosure interior also includes：
First air chamber and the second air chamber；The upper end of first air chamber is connected with pneumatic interface；Second air chamber lower end is provided with
The side opening being in communication with the outside；
Gas-tight ring, the gas-tight ring is arranged on the first air chamber and connects negative port end position；
The gas-tight ring is inserted in hollow cutter bar, the hollow cutter bar upper end, and the second chamber of two-chamber probe is inserted in lower end
Body, the suction of cutting of the termination connection two-chamber probe of the second cavity is open；
Piston component, the piston component is fixedly connected on the cutter bar, and piston component can be provided in pneumatic interface
Moved back and forth under normal pressure and the synergy of lower section spring in first air chamber；
Spring, the spring housing is on the cutter bar, positioned at the second air chamber.
Anterior vitreous cutter device of the invention as described above, further, a diameter of 0.4mm of the fill openings~
0.8mm, it is described to cut a diameter of 0.4mm~0.8mm for inhaling opening.
Anterior vitreous cutter device of the invention as described above, further, the piston component include coupling component and
Air tight membrane.
Anterior vitreous cutter device as described above of the invention, further, in addition to metal washer, the metal washer
It is arranged on the second air chamber lower end.
Anterior vitreous cutter device as described above of the invention, further, the cutter device housing edge and housing axle
It is ellipse to the vertical section in direction, the middle part of cutter device housing has the waist for being easy to grip in addition.
Anterior vitreous cutter device as described above of the invention, further, the two-chamber probe edge and two-chamber probe shaft
It is ellipse to the vertical section in direction, its material is stainless steel.
Anterior vitreous cutter device as described above of the invention, further, the length of the cutter device housing is
35mm~45mm, the length of two-chamber probe length is 30mm~40mm.
The beneficial effects of the invention are as follows：
Utilize the anterior vitreous cutter device of the present invention, it may not be necessary to anterior chamber is set up by separately cut-out of limbus corneae and filled
Under conditions of note, while intra-atrial pressure power is stable before holding, the anterior vitreous charged into anterior chamber is safely and efficiently cut off.
The present invention coordinates phaco common in the market to use, and specifically can be used for following ophthalmic medical：
1st, Poster capsulorhexis during senile cataract operation, row radial forearm free flap；
2nd, childhood inborn cataract, row Cataract, Posterior capsulotomy combine preocular vitrectomy；
3rd, subluxation of lens or complete dislocation enter anterior chamber, and lentectomy combines preocular vitrectomy；
4th, the second stage of suspension type artificial lens plants people or intraocular lens removal, the preocular vitrectomy of row；
5th, malignant glaucoma, row lens extraction joint radial forearm free flap；
6th, hyphema or during entophthamia, also available for anterior chamber irrigation and cuts off blood clot or fibrinous exudate.
Brief description of the drawings
By the detailed description made in conjunction with the following drawings, above-mentioned and/or other aspects of the invention and advantage will become
Become apparent from and be easier to understand, these accompanying drawings are schematical, are not intended to limit the present invention, wherein：
Fig. 1 is the anterior vitreous cutter device schematic appearance of an embodiment of the present invention；
Fig. 2 is the schematic cross-section of the two-chamber probe of an embodiment of the present invention；
Fig. 3 is the anterior vitreous cutter device schematic cross-section of an embodiment of the present invention；
Fig. 4 uses schematic diagram for the anterior vitreous cutter device of an embodiment of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, cutter device housing, 2, two-chamber probe, the 201, first cavity, the 202, second cavity, 3, outside liquid interface, 4,
Perfusion and drainage pipe, 5, fill openings, 6, pneumatic interface, 7, negative port, the 8, first air chamber, the 9, second air chamber, 10, side opening, 11,
Cut suction opening, 12, gas-tight ring, 13, hollow cutter bar, 14, air tight membrane, 15, coupling component, 16, spring, 17, metal washer,
18th, vitreum, 19, anterior chamber.
Embodiment
Hereinafter, the embodiment of the anterior vitreous cutter device of the present invention is described with reference to the accompanying drawings.
The embodiment recorded herein is the specific embodiment of the present invention, the design for illustrating the present invention,
It is explanatory and exemplary, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Implement exception, those skilled in the art can also be based on the application claims and specification disclosure of that using aobvious
The other technical schemes being clear to, these technical schemes include any obvious using making for the embodiment to recording herein
The technical scheme of substitutions and modifications.
The accompanying drawing of this specification is schematic diagram, aids in illustrating the design of the present invention, it is schematically indicated the shape of each several part
And its correlation.It note that between the structure of each part for the ease of clearly showing the embodiment of the present invention, each accompanying drawing
Do not drawn according to identical ratio.Identical reference marker is used to represent identical part.
Illustrate the anterior vitreous cutter device of an embodiment of the present invention below in conjunction with Fig. 1, Fig. 2 and Fig. 3, it includes：
Cutter device housing 1, the cutter device housing is provided with outside liquid interface 3；In a kind of specific embodiment,
The cutter device housing 1 is ellipse along the section vertical with housing axial direction, in addition the middle part tool of cutter device housing 1
There is the waist for being easy to grip.
Perfusion and drainage pipe 4, the perfusion and drainage pipe 4 is arranged in the cutter device housing 1, perfusion and drainage pipe 4 it is upper
End is connected with the outside liquid interface 3；
Two-chamber probe 2, the inside of the two-chamber probe 2 includes the parallel arrangement of cavity 202 of first cavity 201 and second；
The upper end of the two-chamber probe 2 is fixedly connected with the cutter device housing 1, and lower end is provided with fill openings 5；Perfusion and drainage pipe
4 lower end is connected with the upper end of the first cavity 201, and the lower end of the first cavity 201 is connected with fill openings 5.
As shown in figure 3, in the anterior vitreous cutter device of an embodiment of the present invention, the cutter device housing 1
It is additionally provided with pneumatic interface 6 and negative port 7；Also include inside cutter device housing 1：
The first air chamber 8 and the second air chamber 9 that one end is connected with each other；The upper end of first air chamber 8 connects with pneumatic interface 6
It is logical；There is the side opening 10 being in communication with the outside the lower end of second air chamber 9；
Gas-tight ring 12, the gas-tight ring 12 is arranged on the first air chamber 8 and connects the end position of negative port 7；As shown in figure 3,
Gas-tight ring is arranged on the top of cutter device housing.
The gas-tight ring is inserted in hollow cutter bar 13, the hollow upper end of cutter bar 13, and the of lower end insertion two-chamber probe
Two cavitys 202, the cutting for termination connection two-chamber probe of the second cavity 202 inhales opening 11；It is described in a kind of preferred embodiment
A diameter of 0.4mm~0.8mm of fill openings 5, described cut inhales a diameter of 0.4mm~0.8mm for opening 11 mouthfuls, preferred real
Apply in example, a diameter of 0.6mm of the fill openings 5, described cut inhales a diameter of 0.6mm for opening 11 mouthfuls.
Piston component, the piston component is fixedly connected on the cutter bar 13, and piston component is in first air chamber 8
It is interior to move back and forth；In a kind of preferred embodiment, the piston component includes coupling component 15 and air tight membrane 14.
Spring 16, the spring 16 is enclosed on the cutter bar, positioned at the second air chamber 9.
The specific work process of the present embodiment is：The common phaco of present invention connection existing market is used.Hand
Its housing is held, two-chamber probe is inserted in anterior chamber 19 by the main otch of cataract operation and started working（As Fig. 4 is shown）.Outer liquid
Body interface is connected with outside intrusion pipe, and outside perfusion liquid is drained to by perfusion and drainage pipe the fill openings of two-chamber probe.
By adjusting the size of perfusion bottle height and outside intrusion pipe water flow switch, for the fill openings of the two-chamber probe in insertion anterior chamber
Suitable flow and pressure are provided, it is stable with intra-atrial pressure power before keeping in cutting process, maintain anterior chamber's normal depth.Negative port
It is connected with the negative-pressure suction pipe of phaco.The negative pressure that phaco is provided is transferred to two-chamber and visited by negative port
The suction of cutting of pin is open, and sub-fraction vitreum 18 is sucked and incarceration is cutting suction opening.Pneumatic interface and phaco
Pneumatic tube is connected.When phaco gives normal pressure by pneumatic interface, air tight membrane promotes coupling component by the
Position a in one moves downwardly to position b and stopped.Hollow cutter bar is driven to move downward simultaneously, its open end is by position c
Move to more than the position d for cutting suction opening lower section about 1mm, complete a vitreum cutting.Meanwhile, opened in hollow cutting element
Put under the suction function of end, a pieces of glass body of excision is absorbed, so far vitreum of completion, which is cut, is drawn through journey.Airtight
While barrier film promotion coupling component is moved downward, the spring-compressed in the second air chamber stores potential energy.When phaco is carried
When the pneumatic normal pressure supplied is removed, spring stretches, and air tight membrane and coupling component is reset to the position a in the first air chamber, together
When hollow cutting element open end move up to the position c for cutting and inhaling overthe openings about 2mm, reseting procedure is completed, under
Vitreum, which is cut, to be drawn through journey and is ready work.Said process comes and goes carry out at a high speed, you can intra-atrial pressure power is stable before holding
While, safely and efficiently excision takes off the vitreum in anterior chamber.Air tight membrane and coupling component are done at a high speed in the first air chamber
During back and forth movement, to avoid compressing the second gas room air, reduce the hollow cutting element resistance of motion and be conducive to radiating, the
Two air chambers are communicated by side opening with the external world.
In the anterior vitreous cutter device of the above embodiment of the present invention, in addition to metal washer 17, the metal gasket
Circle 17 is arranged on the lower end of the second air chamber 9.
In a kind of preferred embodiment, the two-chamber probe 2 is ellipse along the section vertical with two-chamber probe axial direction
Circle, its material is stainless steel.
In a kind of preferred embodiment, the length of the cutter device housing 1 is 35mm~45mm, and two-chamber probe 2 is grown
Length be 30mm~40mm.In a more preferred embodiment, the length of the cutter device housing 1 is 40mm, two-chamber probe 2
Long length is 35mm.
Each technical characteristic of above-mentioned disclosure is not limited to disclosed and further feature combination, and those skilled in the art are also
Other combinations between each technical characteristic can be carried out according to the purpose of invention, are defined by the purpose for realizing the present invention.
Claims (8)
1. a kind of anterior vitreous cutter device, it is characterised in that including：
Cutter device housing, the cutter device housing is provided with outside liquid interface；
Perfusion and drainage pipe, the perfusion and drainage pipe is arranged in the cutter device housing, the upper end of perfusion and drainage pipe with it is described
Outside liquid interface is connected；
Two-chamber probe, the inside of the two-chamber probe includes parallel arrangement of first cavity and the second cavity；The two-chamber probe
Upper end be fixedly connected with the cutter device housing, lower end is provided with fill openings；The lower end of perfusion and drainage pipe and the first chamber
Body upper end is connected, and the lower end of the first cavity is connected with fill openings.
2. anterior vitreous cutter device according to claim 1, it is characterised in that the cutter device housing is also set up
There are pneumatic interface and negative port；Cutter device enclosure interior also includes：
First air chamber and the second air chamber；The upper end of first air chamber is connected with pneumatic interface；Second air chamber lower end be provided with it is outer
The side opening of boundary's connection；
Gas-tight ring, the gas-tight ring is arranged on the first air chamber and connects negative port end position；
The gas-tight ring is inserted in hollow cutter bar, the hollow cutter bar upper end, and the second cavity of two-chamber probe is inserted in lower end, the
The suction of cutting of the termination connection two-chamber probe of two cavitys is open；
Piston component, the piston component is fixedly connected on the cutter bar, and piston component can provide malleation in pneumatic interface
Moved back and forth under power and the synergy of lower section spring in first air chamber；
Spring, the spring housing is on the cutter bar, positioned at the second air chamber.
3. anterior vitreous cutter device according to claim 2, it is characterised in that the fill openings it is a diameter of
0.4mm~0.8mm, it is described to cut a diameter of 0.4mm~0.8mm for inhaling opening.
4. anterior vitreous cutter device according to claim 2, it is characterised in that the piston component includes coupling structure
Part and air tight membrane.
5. the anterior vitreous cutter device according to claim any one of 2-4, it is characterised in that also including metal gasket
Circle, the metal washer is arranged on the second air chamber lower end.
6. anterior vitreous cutter device according to claim 1, it is characterised in that the cutter device housing edge and shell
The vertical section of body axial direction is ellipse, and the middle part of cutter device housing has the waist for being easy to grip in addition.
7. anterior vitreous cutter device according to claim 1, it is characterised in that the two-chamber probe is visited along with two-chamber
The vertical section of pin axial direction is ellipse, and its material is stainless steel.
8. anterior vitreous cutter device according to claim 1, it is characterised in that the length of the cutter device housing
For 35mm~45mm, the length of two-chamber probe length is 30mm~40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098073.8A CN105476744B (en) | 2016-02-23 | 2016-02-23 | A kind of anterior vitreous cutter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098073.8A CN105476744B (en) | 2016-02-23 | 2016-02-23 | A kind of anterior vitreous cutter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105476744A CN105476744A (en) | 2016-04-13 |
| CN105476744B true CN105476744B (en) | 2017-10-31 |
Family
ID=55664270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098073.8A Expired - Fee Related CN105476744B (en) | 2016-02-23 | 2016-02-23 | A kind of anterior vitreous cutter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105476744B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10639197B2 (en) * | 2017-06-19 | 2020-05-05 | Alcon Inc. | Vitrectomy probe |
| CN113081474B (en) * | 2021-03-31 | 2023-03-10 | 武汉爱尔眼科医院有限公司 | Adjustable aqueous humor drainage device for glaucoma eyes and use method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4014333A (en) * | 1975-09-22 | 1977-03-29 | Mcintyre David J | Instrument for aspirating and irrigating during ophthalmic surgery |
| US4340037A (en) * | 1980-06-27 | 1982-07-20 | Lewicky Andrew O | Method to prevent collapse of the anterior chamber utilizing a terminal with eye engaging detents |
| CN2440479Y (en) * | 2000-12-14 | 2001-08-01 | 杨勋 | Safety controller for vitreous body cutter |
| US20060135974A1 (en) * | 2004-12-20 | 2006-06-22 | Perkins James T | Surge dampening irrigation-aspiration tubing |
| US8187293B2 (en) * | 2006-02-06 | 2012-05-29 | Novartis Ag | Microsurgical instrument |
| CN201026268Y (en) * | 2006-08-30 | 2008-02-27 | 周克俭 | Cataract cutting head |
| US8038692B2 (en) * | 2006-10-31 | 2011-10-18 | Novartis Ag | Modular design for ophthalmic surgical probe |
| US8888802B2 (en) * | 2010-12-21 | 2014-11-18 | Alcon Research, Ltd. | Vitrectomy probe with adjustable cutter port size |
-
2016
- 2016-02-23 CN CN201610098073.8A patent/CN105476744B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN105476744A (en) | 2016-04-13 |
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