CN108464885A - A kind of cataract nucleus crushing device - Google Patents
A kind of cataract nucleus crushing device Download PDFInfo
- Publication number
- CN108464885A CN108464885A CN201810364674.8A CN201810364674A CN108464885A CN 108464885 A CN108464885 A CN 108464885A CN 201810364674 A CN201810364674 A CN 201810364674A CN 108464885 A CN108464885 A CN 108464885A
- Authority
- CN
- China
- Prior art keywords
- casing
- fixed pin
- nucleus
- ring
- net
- 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
- 208000002177 Cataract Diseases 0.000 title claims abstract description 23
- 238000013467 fragmentation Methods 0.000 claims abstract description 25
- 238000006062 fragmentation reaction Methods 0.000 claims abstract description 25
- 241001136800 Anas acuta Species 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000002861 polymer material Substances 0.000 claims description 2
- 229920000344 molecularly imprinted polymer Polymers 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000004393 prognosis Methods 0.000 abstract description 2
- 230000002784 sclerotic effect Effects 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 14
- 238000004945 emulsification Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 210000002159 anterior chamber Anatomy 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000035606 childbirth Effects 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 210000003038 endothelium Anatomy 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 108010064245 urinary gonadotropin fragment Proteins 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 208000010412 Glaucoma Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000000871 endothelium corneal Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 230000004402 high myopia Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 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
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)
- Prostheses (AREA)
Abstract
A kind of cataract nucleus crushing device, the present invention includes casing, fixed pin and fragmentation nucleus net with shrink-ring, two different hollow cylinders of diameter are formed through casing, fixed pin is placed in casing, the tail end of fixed pin is in the larger diameter end of casing, and simultaneously equipped with head board, head board is used for that fixed pin is pushed to be moved forward and backward in casing fixed pin tail end stretching casing.Fixed pin top is located at the small until diameter end of casing, and fixed pin top is coated with fishnet shape fragmentation nucleus net, and fishnet shape fragmentation nucleus net is equipped with shrink-ring, and the control terminal of shrink-ring is located at the major diameter port of casing.The present invention can reduce the operative incision of extremely hard core cataract patient, shorten operating time and reduce the damage of ultrasonic energy, increase the range of choice of high-end artificial lens, so as to improve the prognosis of cataract extraction in sclerotic nucleus cataract patient.
Description
Technical field
The present invention relates to medical instrument more particularly to a kind of cataract nucleus crushing devices.
Background technology
Cataract is the big diseases causing blindness of current the first in the world at present, and currently the only effective treatment is operation.It is white in operation
The processing of cataract or glaucoma crystal nuclear is key link.Small notch or micro-incision phacoemulsification are the art formulas of current mainstream,
Its basic principle is the smaller notch of the core of crystal to be sucked out eyeball, then implantable artificial is brilliant with ultrasonic energy emulsification, fragmentation nucleus
Body.But for developing countries such as China, since surgical coverage is low, the opportunity of operation originals such as evening and high myopia incidence height partially
Cause, stone Proportion of patients more than level Four are significantly higher.For such patient, high energy is needed as used in ultrasonic emulsification mode art
Amount and long duration of action, the risk that cornea burns the complication such as wound, corneal endothelium decompensation, Poster capsulorhexis are significantly raised；For
Extremely hard core, ultrasonic emulsification are extremely difficult.Therefore for such patient, current Normal practice be a 5-12mm it is not equal compared with
Big notch gives birth to perfect crystal core or the pre- core block for being split into 2-4 blocks.Larger operative incision not only increases the wound of art eye
Wound, and the risk for occurring fulminant Suprachorodal hemorrhage in art increases, post-operation inflammatory, the risk of infection and art source property astigmatism
Also it obviously increases.The advantage of the folded iol merging of clinic mainstream is also decreased obviously at present in this kind of patient, multifocal, work(
Energy property artificial lens is even more to select to be limited.With being improved at present to the requirement of quality of life, cataract operation is from operation of regaining one's sight
Develop to refractive surgery, this requires us to solve the problems, such as the taking-up of stone with more minimally invasive, safer mode.
Invention content
The purpose of the present invention is to provide a kind of cataract nucleus crushing devices, solve the big notch of the above cataract patient of level Four
Problem.
The invention is realized in this way including casing, fixed pin and the fragmentation nucleus net with shrink-ring, two diameters it is different
Hollow cylinder is formed through casing, and fixed pin is placed in casing, and the tail end of fixed pin is in the larger diameter end of casing, fixed backshank
End stretches out casing and is equipped with head board, and head board is used for that fixed pin is pushed to be moved forward and backward in casing；Fixed pin top is located at set
Pipe it is small until diameter end, fixed pin top is coated with fishnet shape fragmentation nucleus net, and fishnet shape fragmentation nucleus net is equipped with shrink-ring, the control of shrink-ring
End processed is located at the major diameter port of casing.
The present invention further technical solution be：Described sleeve pipe is plastic material, and the caliber of described sleeve pipe is 1.8mm-
3mm。
The present invention further technical solution be：Shrink-ring is metal or high molecular polymer material, and the shrink-ring is straight
Diameter is 0.03mm-0.5mm.
The present invention further technical solution be：The fragmentation nucleus net for wire or high molecular polymer silk thread braiding and
At the fragmentation nucleus mesh screen hole density is between -200 mesh of 20 mesh.
In use, operating procedure is the present invention：Capsulorhexis, childbirth core squeeze into viscoelastic agent guarantor to anterior chamber before and after crystal nuclear
Capsule and endothelium after shield；Nucleus-crushing device casing is inserted into from the main notch of cataract operation；Fixed pin is released, under the auxiliary of offside core splitting device
Fixed pin is inserted into crystal nuclear；The fragmentation nucleus net with shrink-ring is released, crystal nuclear plane is adjusted using fixed pin, uses core splitting device
Drawing auxiliary shrink-ring catches crystal nuclear from back to front；Outside pull shrink-ring control terminal withdraws shrink-ring, tightens fragmentation nucleus net, profit
With the dissection fragmentation crystal nuclear of fine-structure mesh ruling；Core fragment and remaining cortex are pumped out, from main notch implantable artificial crystal.
The beneficial effects of the invention are as follows：It can Reduction surgery notch, contracting in extremely hard core cataract patient using the present apparatus
Short operating time, the damage for reducing ultrasonic energy and postoperative complications, accelerate post-operative recovery, select the possibility of high-end artificial lens
Property increase, so as to improve the prognosis of cataract extraction in sclerotic nucleus cataract patient.
Description of the drawings
Fig. 1 is cataract nucleus crushing device structural schematic diagram of the present invention.
Specific implementation mode
Fig. 1 shows that a kind of cataract nucleus crushing device, two different hollow cylinders of diameter are formed through casing 1, fixed
Needle 4 is placed in casing 1, and in the larger diameter end of casing 1,4 tail end of fixed pin stretches out casing 1 and is equipped with to be released the tail end of fixed pin 4
Plate, head board are used for that fixed pin 4 is pushed to be moved forward and backward in casing 1.4 top of fixed pin is located at the small until diameter end of casing 1,
4 top of fixed pin is coated with fishnet shape fragmentation nucleus net 2, and fishnet shape fragmentation nucleus net 2 is equipped with shrink-ring 3, and the control terminal 5 of shrink-ring 3 is located at
The major diameter port of casing 1.
Described sleeve pipe is plastic material, and the caliber of described sleeve pipe is 1.8mm-3mm；Shrink-ring is metal material, the receipts
The a diameter of 0.03mm-0.5mm of shrunk-on ring；The fragmentation nucleus net forms for metal wire knitted, and the fragmentation nucleus mesh screen hole density is 20 mesh-
Between 200 mesh.
In use, operating procedure of the invention is：1. capsulorhexis, childbirth core squeeze into viscoelastic to anterior chamber before and after crystal nuclear
Capsule and endothelium after agent protection；2. nucleus-crushing device casing is inserted into from the main notch of cataract operation；3. fixed pin is released, in the auxiliary of core splitting device
It helps in the lower insertion crystal nuclear by fixed pin；4. releasing the fragmentation nucleus net with shrink-ring, crystal nuclear plane is adjusted using fixed pin, is used
Core splitting device drawing auxiliary shrink-ring catches crystal nuclear from back to front；5. outside pull shrink-ring control terminal withdraws shrink-ring, tightening
Fragmentation nucleus net utilizes the dissection fragmentation crystal nuclear of fine-structure mesh ruling；6. pumping out core fragment and remaining cortex, it is implanted into from main notch
Artificial lens.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (4)
1. a kind of cataract nucleus crushing device, which is characterized in that including：Casing, fixed pin and the fragmentation nucleus net with shrink-ring, two straight
The different hollow cylinder of diameter is formed through casing, and fixed pin is placed in casing, the tail end of fixed pin casing larger diameter end,
Fixed pin tail end stretches out casing and is equipped with head board, and head board is used for that fixed pin is pushed to be moved forward and backward in casing；Fixed pin top
End is small until diameter end positioned at casing, and fixed pin top is coated with fishnet shape fragmentation nucleus net, and fishnet shape fragmentation nucleus net is equipped with shrink-ring, receives
The control terminal of shrunk-on ring is located at the major diameter port of casing.
2. a kind of cataract nucleus crushing device according to claim 1, it is characterised in that：Described sleeve pipe is plastic material, described
The hollow outer diameter of casing is 1.8mm-3mm.
3. a kind of cataract nucleus crushing device according to claim 1, it is characterised in that：The shrink-ring of fragmentation nucleus net is metal or height
Molecularly Imprinted Polymer material, a diameter of 0.03mm-0.8mm of shrink-ring.
4. a kind of cataract nucleus crushing device according to claim 1, it is characterised in that：The fragmentation nucleus net is wire or high score
Sub- polymer woven forms, and the fragmentation nucleus mesh screen hole density is between -200 mesh of 20 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810364674.8A CN108464885A (en) | 2018-04-23 | 2018-04-23 | A kind of cataract nucleus crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810364674.8A CN108464885A (en) | 2018-04-23 | 2018-04-23 | A kind of cataract nucleus crushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108464885A true CN108464885A (en) | 2018-08-31 |
Family
ID=63263440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810364674.8A Pending CN108464885A (en) | 2018-04-23 | 2018-04-23 | A kind of cataract nucleus crushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108464885A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215337A (en) * | 2019-05-24 | 2019-09-10 | 中南大学湘雅二医院 | A kind of intra-ocular foreign body tweezer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154233A (en) * | 1996-01-12 | 1997-07-16 | 吴雪松 | Small incisional type cataract enucleation and nuclear fragment device |
| CN200970301Y (en) * | 2006-10-27 | 2007-11-07 | 李洪义 | Net shape nucleus cracker for cataract |
| CN106176034A (en) * | 2015-01-30 | 2016-12-07 | 赵英杰 | Cataract looped network nucleus-crushing device |
| US20170007452A1 (en) * | 2015-07-08 | 2017-01-12 | Michael Jerome Designs, LLC | Cataract Posterior/Wedge Chopper |
| CN208823146U (en) * | 2018-04-23 | 2019-05-07 | 中南大学湘雅二医院 | A kind of cataract nucleus crushing device |
-
2018
- 2018-04-23 CN CN201810364674.8A patent/CN108464885A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154233A (en) * | 1996-01-12 | 1997-07-16 | 吴雪松 | Small incisional type cataract enucleation and nuclear fragment device |
| CN200970301Y (en) * | 2006-10-27 | 2007-11-07 | 李洪义 | Net shape nucleus cracker for cataract |
| CN106176034A (en) * | 2015-01-30 | 2016-12-07 | 赵英杰 | Cataract looped network nucleus-crushing device |
| US20170007452A1 (en) * | 2015-07-08 | 2017-01-12 | Michael Jerome Designs, LLC | Cataract Posterior/Wedge Chopper |
| CN208823146U (en) * | 2018-04-23 | 2019-05-07 | 中南大学湘雅二医院 | A kind of cataract nucleus crushing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215337A (en) * | 2019-05-24 | 2019-09-10 | 中南大学湘雅二医院 | A kind of intra-ocular foreign body tweezer |
| CN110215337B (en) * | 2019-05-24 | 2021-06-01 | 中南大学湘雅二医院 | Intraocular foreign body forceps |
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