CN106137527B - Corneal protection device and tool is taken suitable for the corneal protection device - Google Patents
Corneal protection device and tool is taken suitable for the corneal protection device Download PDFInfo
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- CN106137527B CN106137527B CN201610562872.6A CN201610562872A CN106137527B CN 106137527 B CN106137527 B CN 106137527B CN 201610562872 A CN201610562872 A CN 201610562872A CN 106137527 B CN106137527 B CN 106137527B
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- protection device
- corneal
- corneal protection
- radial
- tool
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- 210000001508 eye Anatomy 0.000 claims abstract description 13
- 210000000744 eyelid Anatomy 0.000 claims abstract description 8
- 210000005252 bulbus oculi Anatomy 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 102000008186 Collagen Human genes 0.000 abstract description 10
- 108010035532 Collagen Proteins 0.000 abstract description 10
- 229920001436 collagen Polymers 0.000 abstract description 10
- 210000003683 corneal stroma Anatomy 0.000 abstract description 8
- 238000004132 cross linking Methods 0.000 abstract description 8
- 210000002889 endothelial cell Anatomy 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 210000000130 stem cell Anatomy 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 210000004087 cornea Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- AUNGANRZJHBGPY-SCRDCRAPSA-N Riboflavin Chemical compound OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-SCRDCRAPSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052798 chalcogen Inorganic materials 0.000 description 2
- 150000001787 chalcogens Chemical class 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- AUNGANRZJHBGPY-UHFFFAOYSA-N D-Lyxoflavin Natural products OCC(O)C(O)C(O)CN1C=2C=C(C)C(C)=CC=2N=C2C1=NC(=O)NC2=O AUNGANRZJHBGPY-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229960002477 riboflavin Drugs 0.000 description 1
- 235000019192 riboflavin Nutrition 0.000 description 1
- 239000002151 riboflavin Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002023 wood 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
-
- 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
- A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
- A61F9/0017—Introducing ophthalmic products into the ocular cavity or retaining products therein implantable in, or in contact with, the eye, e.g. ocular inserts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0613—Apparatus adapted for a specific treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
- A61N2005/0661—Radiation therapy using light characterised by the wavelength of light used ultraviolet
Landscapes
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of corneal protection device and a kind of tool is taken suitable for the corneal protection device.Wherein, which includes that can be placed between eyelid and the white of the eye and match the shade contacted with eyes.It is 7~9mm beam orifice that the middle section of shade, which has diameter that can be opposite with eyeball, shade with a thickness of 0.15~0.25mm, length is 27~19mm, and width is 19~21mm.Corneal protection device of the invention can be effectively protected the corneal stroma, film limbal stem cell and endothelial cell of non-treated area in corneal collagen cross-linking process.And of the invention it is suitable for taking tool people capable of being facilitated to place and corneal protection device of taking for the corneal protection device.
Description
Technical field
The present invention relates to a kind of corneal protection device and a kind of tool is taken suitable for the corneal protection device.
Background technique
Corneal collagen crosslinking treatment is: activating riboflavin (photosensitizing agents) using the ultraviolet light of 370 nano wave lengths, makes it
It is converted to active chalcogen, then the activity chalcogen is chemically crosslinked in inductive treatment position between the amino of cornea collagenous fibres again
Reaction makes corneal collagen fibre diameter thickening, improves corneal stroma to multi-biologicals such as the resistances of a variety of degradation enzyme effects
Effect, so that the mechanical strength of corneal stroma be made to increase.
But in corneal collagen cross-linking process, there may be movements for patient's eyeball, and ultraviolet light treatment site is caused to be moved
It moves on non-treated area, to damage the corneal stroma of non-treated area, film limbal stem cell and endothelial cell.
Summary of the invention
Based on the above issues, it the object of the present invention is to provide a kind of corneal protection device, can be crosslinked in corneal collagen
The corneal stroma, film limbal stem cell and endothelial cell of non-treated area are effectively protected in journey.Meanwhile in order to facilitate cornea guarantor
It protects the placement of device and takes, take tool suitable for the corneal protection device it is a further object to provide a kind of.
According to the first aspect of the invention, a kind of corneal protection device is provided comprising can be placed at eyelid and the white of the eye
Between and with eyes match the shade that contacts.Wherein, the middle section of the shade have can be opposite with eyeball diameter
For 7~9mm beam orifice, the shade with a thickness of 0.15~0.25mm, length is 27~19mm, and width is 19~21mm.
Further, the shade with a thickness of 2mm, length 28mm, width 20mm.
Further, the material of the shade is polymethyl methacrylate.
Further, it is equipped with magnetisable structure in the inside of the shade, the magnetisable structure includes reticular structure
Or laminated structure.
According to the second aspect of the invention, it provides a kind of suitable for the corneal protection described according to a first aspect of the present invention
Device takes tool comprising:
The casing of lower end with upper end is equipped with opening on the lower end；
The sliding bar that can be moved axially in described sleeve pipe；
Transfer bar mechanism, comprising: be located in described sleeve pipe and sliding block of the fixed set on the sliding bar；It is located at the set
Annular flange on the inner wall of pipe；The compressed spring being located between the sliding block and annular flange；Penetratingly it is located at described sleeve pipe
Peripheral wall on radial briquetting, wherein it is described radial direction briquetting inner wall lower have press inclined-plane, the press inclined-plane with it is described
The top of sliding block leans, and the press inclined-plane can push the cunning when the radial briquetting is along radial inward movement
Lower end motion of the block to described sleeve pipe is released with would fit snugly within the lower end of the sliding bar in described sleeve pipe to the opening
Outside；
Electromagnetic mechanism, including be arranged in the upper end of described sleeve pipe power supply, be arranged in the lower end of the sliding bar or
Electromagnet on lower end and the switch that series circuit is together constituted with the power supply and electromagnet, wherein the switch includes setting
Be electrically connected the first of the sliding bar and part and be located at the inside of the radial briquetting and second be electrically connected part, described first be electrically connected part and
Second part that is electrically connected can not only contact with each other when the radial briquetting is along radial inward movement, and can also be in the radial pressure
It is separated from each other when the radially outward movement of block.
Further, the electromagnet is arranged in the sliding bar, and the material of the sliding bar is resin material.
Further, the axial cross section of the sliding block is two L shapes about the sliding bar mirror symmetry.
Further, the barrier structure for preventing it to be detached from described sleeve pipe is equipped on the radial briquetting.
Further, described first it is electrically connected part and second part that is electrically connected is all sheet metal.
Further, the power supply is lithium battery.
The treatment that corneal protection device of the invention can allow ultraviolet light to be well on treatment region by beam orifice, and
Ultraviolet light is effectively stopped to be irradiated the non-treated area around treatment region by baffle vane again, thus it can be at angle
The corneal stroma, film limbal stem cell and endothelial cell of non-treated area are effectively protected during film collagen cross-linking.
It is of the invention to be suitable for taking tool and facilitating the placement of the corneal protection device and take for the corneal protection device.
Corneal protection device of the invention and tool is taken all and has that structure is simple, manufacturer suitable for the corneal protection device
Just, the advantages such as popularization and application safe and reliable, convenient to carry out.
Detailed description of the invention
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein:
Fig. 1 is the perspective view according to the corneal protection device of the embodiment of the present invention one；
Fig. 2 is the side view according to the corneal protection device of the embodiment of the present invention one；
Fig. 3 is the main view for taking tool according to the corneal protection device suitable for embodiment one of the embodiment of the present invention two
Figure；
Fig. 4 is the partial cutaway for taking tool according to the corneal protection device suitable for embodiment one of the embodiment of the present invention two
The radial briquetting of view, this figure is not pressed；
Fig. 5 is the partial cutaway for taking tool according to the corneal protection device suitable for embodiment one of the embodiment of the present invention two
The radial briquetting of view, this figure has been pressed；
Fig. 6 is the partial enlarged view in Fig. 4 at D1；
Fig. 7 is the partial enlarged view in Fig. 5 at D2.
Identical component uses identical appended drawing reference in the accompanying drawings.Attached drawing might not be drawn according to actual ratio.
Specific embodiment
The embodiment of the present invention is illustrated with reference to the accompanying drawing.
Embodiment one
Fig. 1 is the perspective view according to the corneal protection device 10 of the embodiment of the present invention one；Fig. 2 is according to the embodiment of the present invention one
Corneal protection device 10 side view.As depicted in figs. 1 and 2, which includes that can be placed at eyelid and the white of the eye
Between and with eyes match the baffle vane 1 that contacts.The middle section of the baffle vane 1 have can and diameter opposite with eyeball be 7
The beam orifice 2 of~9mm.Wherein, the material of the baffle vane 1 is different transparent hard materials, such as resin or metal.At one
In preferred embodiment, the material of baffle vane 1 is polymethyl methacrylate, generates adverse reaction to avoid user.
Before carrying out corneal collagen crosslinking, it is necessary first to which the corneal protection device 10 of the embodiment of the present invention is placed on eyelid
Between the white of the eye, guarantee that beam orifice 2 is opposite with eyeball.Since the diameter of beam orifice 2 is 7~9mm, and suffer from corneal collagen crosslinking
The diameter of person's treatment region is also 7~9mm, therefore the beam orifice 2 of the corneal protection device 10 can allow for ultraviolet light to treatment region
The treatment that domain is well on, and baffle vane 1 can effectively stop ultraviolet light to carry out the non-treated area around treatment region
It irradiates, thus its corneal stroma that non-treated area can be effectively protected in corneal collagen cross-linking process, film limbal stem cell
And endothelial cell.
In order to guarantee that baffle vane 1 can be successfully put between eyelid and the white of the eye, the thickness T of the baffle vane 1 is 0.15
~0.25mm, length L are 27~19mm, and width W is 19~21mm.Preferably, the thickness T of baffle vane 1 is 2mm, and length L is
28mm, width W are 20mm.The height of baffle vane 1 can be designed based on the radian of eyeball, and it is ripe that this belongs to those skilled in the art
Know, is not described in detail herein.
In order to facilitate the corneal protection device 10 placement and take, the inside of shade 1 be equipped with magnetisable structure (do not show
Show), magnetisable structure includes reticular structure or laminated structure.What the material of the magnetisable structure had both been chosen as capable of being magnetized
Iron, cobalt, nickel or its alloy can also directly be selected as magnetite material.Magnetisable structure can reinforcing bar in similar armored concrete to
Integral strength is improved, while people can be facilitated by the magnet of suitable shape or what is below related to take tool and place and take
The corneal protection device 10.
Embodiment two
Fig. 3 is to take tool 100 according to the corneal protection device 10 suitable for embodiment one of the embodiment of the present invention two
Main view；Fig. 4 is the office for taking tool 100 according to the corneal protection device 10 suitable for embodiment one of the embodiment of the present invention two
The radial briquetting 65 of portion's cross-sectional view, this figure is not pressed；Fig. 5 is the angle suitable for embodiment one according to the embodiment of the present invention two
The radial briquetting 65 of the partial sectional view for taking tool 100 of film protector 10, this figure has been pressed.As shown in Fig. 3 to Fig. 5,
It includes the casing 66 with top and bottom that this, which takes tool 100, and can be moved axially in casing 66 (i.e. up and down
Direction) sliding bar 61.In order to allow sliding bar 61 to stretch out out of casing 66, opening is equipped on the lower end of casing 66.
As shown in Fig. 3 to Fig. 5, it further includes transfer bar mechanism that this, which takes tool 100,.Transfer bar mechanism include be located in casing 66 and
Fixed set on sliding bar 61 sliding block 62, be located at casing 66 inner wall on annular flange 63 and be located at sliding block 62 and annular
Compressed spring 64 between flange 63, and the radial briquetting 65 being penetratingly located on the peripheral wall of casing 66.Wherein, this is radially pressed
The inner wall lower of block 65 has press inclined-plane, and the press inclined-plane and the top of sliding block 62 leans, and enables the press inclined-plane
When radial briquetting 65 is along radial inward movement (being pressed state), so that sliding block 62 be forced to be transported to the lower end of casing 66
It is dynamic, it is released with would fit snugly within the lower end of the sliding bar 61 in casing 66 to outside the lower ending opening of casing 66.Since sliding bar 61 is flat
When be hidden in casing 66, therefore it is with certain contamination resistance, while the lower ending opening of casing 66 can also facilitate cornea
Protector 10 is detached from casing 66.
As shown in Fig. 3 to Fig. 5, it further includes electromagnetic mechanism that this, which takes tool 100,.The electromagnetic mechanism includes being arranged in casing 66
Upper end in power supply (not shown), be arranged in electromagnet 71 in the lower end of sliding bar 61 or on lower end and with power supply and electromagnetism
Iron 71 together constitutes with the switch of series circuit.Wherein, which includes being arranged in the first of sliding bar 61 to be electrically connected part 72, Yi Jishe
It is electrically connected part 73 the second of the inside of radial briquetting 65, is detailed in Fig. 6 and Fig. 7.As shown in Figure 6 and Figure 7, it first is electrically connected part 72 and
Two parts 73 that are electrically connected can not only contact with each other when radial briquetting 65 is along radial inward movement, and can also be on radial 65 edge of briquetting
Radial outward movement when be separated from each other.
When placing corneal protection device 10, user needs to catch the tool of taking 100 and press radial briquetting 65, so that diameter
To briquetting 65 along radial inward movement, press lower end motion of the slope driving sliding block 62 to casing 66 is forced, would fit snugly within
It releases to outside the lower ending opening of casing 66 lower end of sliding bar 61 in casing 66.Since first part 72 and second that is electrically connected is electrically connected part
73 can contact with each other when radial briquetting 654 is along radial inward movement, so that electromagnet 71 is connected with power supply, promote electromagnetism
Iron 71 generates magnetic force so that corneal protection device 10 to be attracted on the lower end of sliding bar 61.Then, user can be by corneal protection
Device 10, which is put into, to be placed between patient's eyelid and the white of the eye, can unclamp the finger for pressing radial briquetting 65 later, and taking-up takes
Tool 100.In the process, compressed spring 64 actuates the radially outward movement of radial briquetting 65, sliding bar by sliding block 62
61 lower end is gradually moved into the position being hidden in casing 66, when sliding bar 61 is about to mobile, is electrically connected part 72 due to first
It is separated from each other with second part 73 that is electrically connected in radial 65 radially outward movement of briquetting, causes electromagnet 71 to lose and cornea is protected
The sucking action for protecting device 10, enables the lower end of sliding bar 61 to be successfully detached from corneal protection device 10, to prevent corneal protection
Device 10 is taken tool 100 and is taken out of.
When taking corneal protection device 10, user needs the lower end of the tool that takes 100 to be placed into corneal protection device 10
Near, and radial briquetting 65 is pressed, so that radial briquetting 65 forces press slope driving sliding block 62 along radial inward movement
Lower end motion to casing 66, would fit snugly within the lower end release of the sliding bar 61 in casing 66 to the lower ending opening of casing 66
Outside.Since first is electrically connected part 72 and second part 73 that is electrically connected can contact with each other when radial briquetting 654 is along radial inward movement, make
It obtains electromagnet 71 to be connected with power supply, promotes electromagnet 71 to generate magnetic force, so that corneal protection device 10 is attracted to sliding bar 61
Lower end on, then user can be taken out corneal protection device 10 between patient's eyelid and the white of the eye by taking tool 100.
Wherein, which needs slowly careful, and the eye of patient is lost to avoid corneal protection device 10.
In a preferred embodiment, electromagnet 71 is arranged in sliding bar 61, and the material of sliding bar 61 is resinous wood
Material.Material is that the sliding bar 61 of resin material does not influence the magnetic field of electromagnet 71, to guarantee that electromagnet 71 after powered up can be suitable
Corneal protection device 10 is attracted on the lower end of sliding bar 61 by benefit.In addition to this, the lower end of sliding bar 61 is arranged in electromagnet 71
On, sliding bar 61 is also chosen as other hard materials.
In a preferred embodiment, the axial cross section of sliding block 62 is two L shapes about 61 mirror symmetry of sliding bar,
It is smoothly moved so that sliding block 62 is able to carry out.
In a preferred embodiment, the blocking junction for preventing it to be detached from casing 66 is equipped on radial briquetting 65
Structure.Wherein, which can be optionally disposed on the protrusion on radial briquetting 65, and the protrusion is located in casing 66, works as diameter
To the radially outward movement certain distance of briquetting 65, which can lean with casing 66, with prevent radial briquetting 65 after
Continue radially outward movement.
In a preferred embodiment, first it is electrically connected part 72 and second part 73 that is electrically connected is all sheet metal.Due to sheet metal
With larger area, so that first is electrically connected part 72 and second part 73 that is electrically connected has excellent electric conductivity at the time of contact.
In a preferred embodiment, power supply is selected as lithium battery, when guaranteeing to take tool 100 with longer use
Between.Certainly, power supply is chosen as the battery of other forms.
In summary, the corneal protection device 10 of the embodiment of the present invention one can effectively be protected in corneal collagen cross-linking process
Protect corneal stroma, film limbal stem cell and the endothelial cell of non-treated area.Meanwhile the embodiment of the present invention two be suitable for the cornea
Protector 10 takes tool 100 and can facilitate the placement of the corneal protection device 10 and take.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to
Specific embodiment disclosed herein, but include all technical solutions falling within the scope of the claims.
Claims (6)
1. a kind of corneal protection device takes tool, the corneal protection device include can be placed between eyelid and the white of the eye and with
The shade of eyes matching contact is equipped with magnetisable structure in the inside of the shade, and the magnetisable structure includes netted
Structure or laminated structure, it is 7~9mm beam orifice that the middle section of the shade, which has diameter that can be opposite with eyeball, described
Shade with a thickness of 0.15~0.25mm, length is 27~19mm, and width is 19~21mm, which is characterized in that described to take
Tool is suitable for the corneal protection device, and the tool that takes includes:
Casing with top and bottom is equipped with opening on the lower end；
The sliding bar that can be moved axially in described sleeve pipe,
Transfer bar mechanism, comprising: be located in described sleeve pipe and sliding block of the fixed set on the sliding bar；It is located at described sleeve pipe
Annular flange on inner wall；The compressed spring being located between the sliding block and annular flange；Penetratingly it is located at the week of described sleeve pipe
Radial briquetting on wall, wherein the inner wall lower of the radial direction briquetting has press inclined-plane, the press inclined-plane and the sliding block
Top lean, the press inclined-plane can when the radial briquetting is along radial inward movement, push the sliding block to
The lower end motion of described sleeve pipe is released with would fit snugly within the lower end of the sliding bar in described sleeve pipe to outside the opening；
Electromagnetic mechanism, including be arranged in the upper end of described sleeve pipe power supply, be arranged in the lower end of the sliding bar or lower end
On electromagnet and the switch of series circuit is together constituted with the power supply and electromagnet, wherein the switch includes being arranged in institute
It states the first of sliding bar and is electrically connected and part and be located at the inside of the radial briquetting and second be electrically connected part, described first is electrically connected part and second
The part that is electrically connected can not only contact with each other when the radial briquetting is along radial inward movement, and can also be on the radial briquetting edge
Radial outward movement when be separated from each other.
2. corneal protection device according to claim 1 takes tool, which is characterized in that the electromagnet is arranged described
In sliding bar, the material of the sliding bar is resin material.
3. corneal protection device according to claim 1 takes tool, which is characterized in that the axial cross section of the sliding block is
Two L shapes about the sliding bar mirror symmetry.
4. corneal protection device according to claim 1 takes tool, which is characterized in that be equipped on the radial briquetting
For preventing it to be detached from the barrier structure of described sleeve pipe.
5. corneal protection device according to claim 1 takes tool, which is characterized in that described first is electrically connected part and second
The part that is electrically connected is all sheet metal.
6. corneal protection device according to claim 1 takes tool, which is characterized in that the power supply is lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610562872.6A CN106137527B (en) | 2016-07-15 | 2016-07-15 | Corneal protection device and tool is taken suitable for the corneal protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610562872.6A CN106137527B (en) | 2016-07-15 | 2016-07-15 | Corneal protection device and tool is taken suitable for the corneal protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106137527A CN106137527A (en) | 2016-11-23 |
| CN106137527B true CN106137527B (en) | 2018-12-25 |
Family
ID=58059113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610562872.6A Active CN106137527B (en) | 2016-07-15 | 2016-07-15 | Corneal protection device and tool is taken suitable for the corneal protection device |
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| CN (1) | CN106137527B (en) |
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| CN201759734U (en) * | 2010-08-06 | 2011-03-16 | 沈素民 | Cornea protector |
| CN202404325U (en) * | 2012-01-10 | 2012-08-29 | 中国人民解放军南京军区南京总医院 | Special postoperative small aperture glasses for retinodialysis |
| CN203915224U (en) * | 2014-06-25 | 2014-11-05 | 中国人民解放军第三军医大学第一附属医院 | Medical protection eye shield |
| CN104808354B (en) * | 2015-01-29 | 2017-09-19 | 广州琦安琦视觉科技有限公司 | High definition contact lenses with antiultraviolet Yu diffraction light function |
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