CN109498263A - A kind of lamellar cornea stripper - Google Patents
A kind of lamellar cornea stripper Download PDFInfo
- Publication number
- CN109498263A CN109498263A CN201811479416.0A CN201811479416A CN109498263A CN 109498263 A CN109498263 A CN 109498263A CN 201811479416 A CN201811479416 A CN 201811479416A CN 109498263 A CN109498263 A CN 109498263A
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- tweezer
- head
- bar
- tweezer head
- cornea
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- 210000004087 cornea Anatomy 0.000 title claims abstract description 74
- 210000003128 head Anatomy 0.000 claims abstract description 152
- 239000007787 solid Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
- 210000001508 eye Anatomy 0.000 description 9
- 238000005452 bending Methods 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000002159 anterior chamber Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000002054 transplantation Methods 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 208000003923 Hereditary Corneal Dystrophies Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 201000002287 Keratoconus Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010052779 Transplant rejections Diseases 0.000 description 1
- 206010011005 corneal dystrophy Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 210000003786 sclera Anatomy 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
- A61F9/00709—Instruments for removing foreign bodies
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 lamellar cornea strippers, comprising: the first tweezer head, the second tweezer head, the first tweezer bar and the second tweezer bar；Wherein, the first tweezer bar and the second tweezer bar are hinged, and the hinged end of the first tweezer bar is fixed with the first tweezer head, and the hinged end of the second tweezer bar is fixed with the second tweezer head；The radius of curvature of first tweezer head is 6.8~7.0mm, is 3~5mm with a thickness of 0.8~1.0mm, arc length；The radius of curvature of second tweezer head is 7.2~7.5mm, is 3~5mm with a thickness of 1.0~1.2mm, arc length.The dimensions of first tweezer head and the second tweezer head and human body eye specification are adapted in lamellar cornea stripper of the invention, the aperture between the first tweezer head and the second tweezer head is controlled by the first tweezer bar of compression and the second tweezer bar, lamellar cornea is removed using opposition, it is easy to operate, aperture control is accurate, stability is good, high reliablity, is suitable for eye cornea removing operation.
Description
Technical field
The present invention relates to ophthalmic surgical device fields, and in particular to a kind of lamellar cornea stripper.
Background technique
Lamellar keratoplasty is a kind of corneal transplantation of segment thickness.The lesion group of facies anterior cornea is only cut off when operation
It knits, then the transparency cornea donor transplanted with segment thickness, repairs cut-away area.The postoperative probability that immunological rejection occurs is lower.Face
Bed be usually used in treat the middle-shallow layer opacity of the cornea, corneal dystrophy muddiness, keratoconus, cornea middle-shallow layer infection, cornea swell
Tumor etc..
Lamellar keratoplasty can remove lesion in time, and thoroughly, easily controllable inflammation keeps eyeball for lesion processing in art,
It creates conditions to increase again depending on property corneal transplantation.Operation need not cut anterior chamber, and the arts such as shallow of anterior chamber and intraocular infection seldom occur
Infectious-related complication.Area of performing the operation is unrestricted, can do full plate layer transplanting of any form including the sclera of part.In not
The incidence of chrotoplast, plate layer graft-rejection is typically only 4~5%.
Lamellar cornea is strutted frequently with scalpel in existing lamellar keratoplasty, scalpel power is not easily controlled,
Stability is poor, be easy to cause operation deviation, harmful to human eye health.
Summary of the invention
In order to solve the above problem, the present invention provides a kind of lamellar cornea stripper, the first tweezer in the lamellar cornea stripper
The dimensions and human body eye specification of head and the second tweezer head are adapted, and pass through the first tweezer bar of compression and the second tweezer bar control first
Aperture between tweezer head and the second tweezer head removes lamellar cornea using opposition, easy to operate, aperture control essence
Standard, stability is good, high reliablity, is suitable for eye cornea removing operation.
In order to achieve the above object, the present invention is resolved using following technical scheme.
A kind of lamellar cornea stripper, comprising: the first tweezer head, the second tweezer head, the first tweezer bar and the second tweezer bar；Wherein, institute
It states the first tweezer bar and the second tweezer bar is hinged, the hinged end of the first tweezer bar is fixed with the first tweezer head, the second tweezer bar
Hinged end be fixed with the second tweezer head；The radius of curvature of the first tweezer head is 6.8~7.0mm, the thickness of the first tweezer head
For 0.8~1.0mm, the arc length of the first tweezer head is 3~5mm；The radius of curvature of the second tweezer head is 7.2~7.5mm, the second tweezer
Head with a thickness of 1.0~1.2mm, the arc length of the second tweezer head is 3~5mm.
Lamellar cornea stripper according to the present invention, the radius of curvature of human body lamellar cornea is 6~6.5mm, diameter is
11mm, interior thickness be 500 μm, edge thickness 1mm；The radius of curvature of first tweezer head is 6.8~7.0mm, with a thickness of 0.8~
1.0mm, arc length are 3~5mm；The radius of curvature of second tweezer head is 7.2~7.5mm, with a thickness of 1.0~1.2mm, arc length be 3~
5mm.The dimensions of first tweezer head and the second tweezer head and human body lamellar cornea dimensions are adapted, convenient for eye plate layer angle
Film will not destroy other positions of eyeball when being removed, safety is good.
When lamellar cornea stripper of the invention being made to carry out lamellar cornea removing, the first tweezer head and the second tweezer head are in closure
Enter between lamellar cornea under state, compressed by the first tweezer bar of control and the second tweezer bar, make the first tweezer head and the second tweezer head it
Between open suitable aperture, lamellar cornea is removed using opposition；And first between tweezer bar and the second tweezer bar
Compression power is easy to control, and then the aperture between the first tweezer head easy to control and the second tweezer head, convenient for control lamellar cornea removing
Aperture.Lamellar cornea stripper of the invention is suitable for eye cornea removing operation, and operative stabilization is good, high reliablity, is easy to
Operation control.
Preferably, the radius of curvature of the first tweezer head is 7.0mm, the first tweezer head with a thickness of 1.0mm, the first tweezer head
Arc length is 5mm；The radius of curvature of the second tweezer head be 7.5mm, the second tweezer head with a thickness of 1.2mm, the arc length of the second tweezer head
For 5mm.
Lamellar cornea stripper according to the present invention, the second tweezer head are more severe than the bending of the first tweezer head, and the second tweezer head
Thickness is greater than the thickness of the first tweezer head, and the first tweezer head is as the arc length of the second tweezer head；When carrying out lamellar cornea removing, second
Tweezer head touch cornea lower layer, and the first tweezer head touch cornea upper layer, and the bending of the second tweezer head is severe easily to remove cornea bigger aperture,
Second tweezer head thickness is conducive to more greatly the removing stability of lamellar cornea stripper.
Preferably, the outside angle of the first tweezer head and the first tweezer bar is 130~170 DEG C；The second tweezer head
Outside angle with the second tweezer bar is 130~170 DEG C.
Preferably, the outside angle of the first tweezer head and the first tweezer bar is 135 DEG C；The second tweezer head with it is described
The outside angle of second tweezer bar is 135 DEG C.
Lamellar cornea stripper according to the present invention, outside angle, the second tweezer head between the first tweezer head and the first tweezer bar
Outside angle between the second tweezer bar is identical, is all 135 DEG C, and making the first tweezer head and the second tweezer head is all in be bent downwardly, with eye
Portion's cornea curved shape matches, and is convenient for lamellar cornea removing.
Preferably, the first tweezer head and the first tweezer bar are integrally formed；The second tweezer head and the second tweezer bar
It is integrally formed.
Lamellar cornea stripper according to the present invention makes the first tweezer head under the action of the first tweezer bar, towards with the first tweezer
It is moved in the mobile opposite direction of bar；Second tweezer head and the second tweezer bar are integrally formed, and make the second tweezer head in the work of the second tweezer bar
Under, moved towards with the mobile opposite direction of the second tweezer bar.The first tweezer head and the second tweezer are controlled using opposition
Head opens, and power is easy to control, and stability is good.
Preferably, the arc length of the first tweezer bar is 8~12cm, and the radius of curvature of the first tweezer bar is 8.5-9.5mm；It is described
The arc length of second tweezer bar is 8~12cm, and the radius of curvature of the second tweezer bar is 8.5-9.5mm.
The design of lamellar cornea stripper according to the present invention, the first tweezer bar and the second tweezer bar arc length and radius of curvature is convenient for
Hold the aperture that lamellar cornea stripper is operated, while is also beneficial between the first tweezer head of control and the second tweezer head.
Preferably, anti-slip part is respectively arranged on the lateral wall of the first tweezer bar and the second tweezer bar.
It is respectively arranged on the lateral wall of lamellar cornea stripper according to the present invention, the first tweezer bar and the second tweezer bar anti-skidding
Portion prevents lamellar cornea stripper from sliding when in use, convenient for operating with.
Preferably, positioning column is provided on the inner sidewall of the first tweezer bar, be provided on the second tweezer bar with it is described
The location hole that positioning column matches.
Lamellar cornea stripper according to the present invention, when controlling the first tweezer bar and the compression of the second tweezer bar, on the first tweezer bar
Positioning column can be directed at the location hole on the second tweezer bar of insertion, avoid lateral shift between the first tweezer head and the second tweezer head.
Preferably, the non-articulated end of the first tweezer bar is provided with inserted sheet, and the non-articulated end of the second tweezer bar is provided with
The jack to match with the inserted sheet.
Lamellar cornea stripper according to the present invention, when controlling the first tweezer bar and the compression of the second tweezer bar, on the first tweezer bar
Inserted sheet is inserted into the jack on the second tweezer bar, avoids lateral shift between the first tweezer head and the second tweezer head.
Detailed description of the invention
The present invention is described in further details in the following with reference to the drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of lamellar cornea stripper closed state of the invention；
Fig. 2 is the structural schematic diagram of lamellar cornea stripper open configuration in Fig. 1；
Fig. 3 is the main view of Fig. 1；
Fig. 4 is the top view of Fig. 1.
In the above figure: 1 first tweezer head；2 second tweezer heads；3 first tweezer bars；301 positioning columns；302 inserted sheets；4 second tweezer bars；
401 location holes；402 jacks；5 anti-slip parts.
Specific embodiment
With reference to Fig. 1-4, a kind of lamellar cornea stripper that the embodiment of content according to the present invention is proposed, comprising:
One tweezer head 1, the second tweezer head 2, the first tweezer bar 3 and the second tweezer bar 4；Wherein, the first tweezer bar 3 and the second tweezer bar 4 are hinged, described
The hinged end of first tweezer bar 3 is fixed with the first tweezer head 1, and the hinged end of the second tweezer bar 4 is fixed with the second tweezer head
2；The radius of curvature of the first tweezer head 1 is 6.8~7.0mm, the first tweezer head 1 with a thickness of 0.8~1.0mm, the first tweezer head 1
Arc length is 3~5mm；The radius of curvature of the second tweezer head 2 is 7.2~7.5mm, the second tweezer head 2 with a thickness of 1.0~1.2mm,
The arc length of second tweezer head 2 is 3~5mm.
In the embodiment above, the radius of curvature of human body lamellar cornea is 6~6.5mm, diameter 11mm, interior thickness are
500 μm, edge thickness 1mm；The radius of curvature of first tweezer head 1 is 6.8~7.0mm, with a thickness of 0.8~1.0mm, arc length 3
~5mm；The radius of curvature of second tweezer head 2 is 7.2~7.5mm, is 3~5mm with a thickness of 1.0~1.2mm, arc length.First tweezer head 1
It is adapted with the dimensions and human body lamellar cornea dimensions of the second tweezer head 2, and by the top view of Fig. 4 it is found that the first tweezer
Head and the second tweezer head top view approximation are oval, and short axle distance is 3.0mm, and long axis distance is 4.0mm, convenient for eye plate layer
Cornea will not destroy other positions of eyeball when being removed, safety is good.
When lamellar cornea stripper of the invention being made to carry out lamellar cornea removing, the first tweezer head 1 and the second tweezer head 2 are being closed
In the state of enter lamellar cornea between, by control the first tweezer bar 3 and the second tweezer bar 4 compress, make the first tweezer head 1 and the second tweezer
Suitable aperture is opened between first 2, and lamellar cornea is removed using opposition；And first tweezer bar 3 and the second tweezer bar 4
Between compression power be easy to control, and then the aperture between the first tweezer head 1 easy to control and the second tweezer head 2 is convenient for control panel layer
Cornea removes aperture.Lamellar cornea stripper of the invention is suitable for eye cornea removing operation, and operative stabilization is good, reliability
Height, easily operated control.
With reference to Fig. 1-3, according to one embodiment of present invention, the radius of curvature of the first tweezer head 1 is 7.0mm, first
Tweezer head 1 with a thickness of 1.0mm, the arc length of the first tweezer head 1 is 5mm；The radius of curvature of the second tweezer head 2 is 7.5mm, the second tweezer
First 2 with a thickness of 1.2mm, the arc length of the second tweezer head 2 is 5mm.
In the embodiment above, the bending of 2 to the first tweezer head 1 of the second tweezer head is severe, and the thickness of the second tweezer head 2 is greater than the
The thickness of one tweezer head 1, the first tweezer head 1 is as the arc length of the second tweezer head 2；When carrying out lamellar cornea removing, the second tweezer head 2 patch
Firmly cornea lower layer, the first tweezer head 1 touch cornea upper layer, the second tweezer head 2 be bent it is severe cornea easily removed to bigger aperture, second
2 thickness of tweezer head is conducive to more greatly the removing stability of lamellar cornea stripper.
With reference to Fig. 1-3, according to one embodiment of present invention, the outside of the first tweezer head 1 and the first tweezer bar 3 is pressed from both sides
Angle is 130~170 DEG C；The outside angle of the second tweezer head 2 and the second tweezer bar 4 is 130~170 DEG C.
With reference to Fig. 1-3, according to one embodiment of present invention, the outside of the first tweezer head 1 and the first tweezer bar 3 is pressed from both sides
Angle is 135 DEG C；The outside angle of the second tweezer head 2 and the second tweezer bar 4 is 135 DEG C.
In the embodiment above, the outside angle between the first tweezer head 1 and the first tweezer bar 3, the second tweezer head 2 and the second tweezer bar
Outside angle between 4 is identical, is all 135 DEG C, and making the first tweezer head 1 and the second tweezer head 2 is all in be bent downwardly, curved with eye cornea
Curved shape matches, and is convenient for lamellar cornea removing.
With reference to Fig. 1-4, according to one embodiment of present invention, the first tweezer head 1 and 3 one of the first tweezer bar at
Type；The second tweezer head 2 is integrally formed with the second tweezer bar 4.
In the embodiment above, make the first tweezer head 1 under the action of the first tweezer bar 3, it is opposite towards being moved with the first tweezer bar 3
Direction moved；Second tweezer head 2 and the second tweezer bar 4 are integrally formed, and make the second tweezer head 2 under the action of the second tweezer bar 4, to
Moved with the mobile opposite direction of the second tweezer bar 4.The first tweezer head 1 is controlled using opposition and the second tweezer head 2 is opened
It opens, power is easy to control, and stability is good.
With reference to Fig. 1-3, according to one embodiment of present invention, the arc length of the first tweezer bar 3 is 8~12cm, the first tweezer
The radius of curvature of bar 3 is 8.5-9.5mm；The arc length of the second tweezer bar 4 is 8~12cm, and the radius of curvature of the second tweezer bar 4 is
8.5-9.5mm。
In the embodiment above, the design of the first tweezer bar 3 and 4 arc length of the second tweezer bar and radius of curvature is convenient for holding plate layer angle
Film stripping device is operated, while the aperture being also beneficial between the first tweezer head 1 of control and the second tweezer head 2.
With reference to Fig. 1-2, according to one embodiment of present invention, divide on the lateral wall of the first tweezer bar 3 and the second tweezer bar 4
It is not provided with anti-slip part 5.
In the embodiment above, it is respectively arranged with anti-slip part 5 on the lateral wall of the first tweezer bar 3 and the second tweezer bar 4, prevents plate
Layer cornea stripper slides when in use, convenient for operating with.
With reference to Fig. 1-2, according to one embodiment of present invention, positioning column is provided on the inner sidewall of the first tweezer bar 3
301, the location hole 401 to match with the positioning column 301 is provided on the second tweezer bar 4.
In the embodiment above, the positioning column 301 when controlling the first tweezer bar 3 and the compression of the second tweezer bar 4, on the first tweezer bar 3
The location hole 401 that can be aligned on the second tweezer bar 4 of insertion, avoids lateral shift between the first tweezer head 1 and the second tweezer head 2.
With reference to Fig. 1-2, according to one embodiment of present invention, the non-articulated end of the first tweezer bar 3 is provided with inserted sheet
302, the non-articulated end of the second tweezer bar 4 is provided with the jack 402 to match with the inserted sheet 302.
In the embodiment above, when controlling the first tweezer bar 3 and the compression of the second tweezer bar 4, the inserted sheet 302 on the first tweezer bar 3 is inserted
Enter in the jack 402 on the second tweezer bar 4, avoids lateral shift between the first tweezer head 1 and the second tweezer head 2.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modification and variations of the invention belong to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of lamellar cornea stripper characterized by comprising the first tweezer head (1), the second tweezer head (2), the first tweezer bar (3)
With the second tweezer bar (4)；Wherein, hingedly, the hinged end of the first tweezer bar (3) is solid for the first tweezer bar (3) and the second tweezer bar (4)
Surely there is the first tweezer head (1), the hinged end of the second tweezer bar (4) is fixed with the second tweezer head (2)；
The radius of curvature of the first tweezer head (1) is 6.8~7.0mm, the first tweezer head (1) with a thickness of 0.8~1.0mm, first
The arc length of tweezer head (1) is 3~5mm；
The radius of curvature of the second tweezer head (2) is 7.2~7.5mm, the second tweezer head (2) with a thickness of 1.0~1.2mm, second
The arc length of tweezer head (2) is 3~5mm.
2. lamellar cornea stripper according to claim 1, which is characterized in that the radius of curvature of the first tweezer head (1)
For 7.0mm, the first tweezer head (1) with a thickness of 1.0mm, the arc length of the first tweezer head (1) is 5mm；The curvature of the second tweezer head (2)
Radius is 7.5mm, the second tweezer head (2) with a thickness of 1.2mm, the arc length of the second tweezer head (2) is 5mm.
3. lamellar cornea stripper according to claim 1, which is characterized in that the first tweezer head (1) and described first
The outside angle of tweezer bar (3) is 130~170 DEG C；The outside angle of the second tweezer head (2) and the second tweezer bar (4) is 130
~170 DEG C.
4. lamellar cornea stripper according to claim 3, which is characterized in that the first tweezer head (1) and described first
The outside angle of tweezer bar (3) is 135 DEG C；The outside angle of the second tweezer head (2) and the second tweezer bar (4) is 135 DEG C.
5. lamellar cornea stripper according to claim 1, which is characterized in that the first tweezer head (1) and described first
Tweezer bar (3) is integrally formed；The second tweezer head (2) and the second tweezer bar (4) are integrally formed.
6. lamellar cornea stripper according to claim 1, which is characterized in that the arc length of the first tweezer bar (3) be 8~
12cm, the radius of curvature of the first tweezer bar (3) are 8.5-9.5mm；The arc length of the second tweezer bar (4) is 8~12cm, the second tweezer bar
(4) radius of curvature is 8.5-9.5mm.
7. lamellar cornea stripper according to claim 1, which is characterized in that the first tweezer bar (3) and the second tweezer bar
(4) anti-slip part is respectively arranged on lateral wall.
8. lamellar cornea stripper according to claim 1, which is characterized in that on the inner sidewall of the first tweezer bar (3)
It is provided with positioning column, is provided with the location hole to match with the positioning column on the second tweezer bar (4).
9. lamellar cornea stripper according to claim 1, which is characterized in that the non-articulated end of the first tweezer bar (3)
It is provided with inserted sheet (302), the non-articulated end of the second tweezer bar (4) is provided with the jack to match with the inserted sheet (302)
(402)。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811479416.0A CN109498263B (en) | 2018-12-05 | 2018-12-05 | Lamina cornea stripper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811479416.0A CN109498263B (en) | 2018-12-05 | 2018-12-05 | Lamina cornea stripper |
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| CN109498263A true CN109498263A (en) | 2019-03-22 |
| CN109498263B CN109498263B (en) | 2024-05-24 |
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| CN109498263B (en) | 2024-05-24 |
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