CN208388845U - The device of corneal limbus is protected in corneal cross-linking art - Google Patents
The device of corneal limbus is protected in corneal cross-linking art Download PDFInfo
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- CN208388845U CN208388845U CN201721249747.6U CN201721249747U CN208388845U CN 208388845 U CN208388845 U CN 208388845U CN 201721249747 U CN201721249747 U CN 201721249747U CN 208388845 U CN208388845 U CN 208388845U
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- corneal
- alar part
- body portion
- limbus
- corneal limbus
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Abstract
The utility model provides a kind of device that corneal limbus is protected in corneal cross-linking art, including body portion and alar part.The body portion is annular in shape, protrudes from the alar part, and the alar part is connect with the body portion, and in the ring-type for being inclined outwardly extension along the body portion, the inner surface of the alar part has anti-skid structure.The above-mentioned device that corneal limbus is protected in corneal cross-linking art can corneal limbus to tour and its adjacent bulbar conjunctiva tissue protect, stop the immersion of riboflavin solution to avoid corneal limbus and the unnecessary damage of conjunctival tissue.
Description
Technical field
The utility model relates to medical instruments fields, more specifically, are related to one kind and protect cornea in corneal cross-linking art
The device of edge.
Background technique
Keratoconus is a kind of primary corneal degeneration disease characterized by kerectasis, can cause highly irregular myopia
Astigmatism, corneal scar and inpairment of vision.Corneal cross-linking operation is the effective ways of current control keratoconus progress, with core yellow
Element be photosensitizer, cornea is locally irradiated using the ultraviolet light of 365nm, stimulation corneal collagen fiber carry out cross-linking reaction from
And enhance the hardness of cornea.
Usually during surgery, directly riboflavin solution drop several minutes on cornea, then with high intensity ultraviolet light away from
Digression film 30cm or so place is irradiated several minutes.
Existing method has the disadvantage that
(1) riboflavin solution can flow on corneal limbus and conjunctiva, and penetrate into corneal limbal tissue and conjunctival tissue, work as purple
When outer light irradiates (especially eye position is not capable of fixing person), the part riboflavin in corneal limbus and conjunctival tissue may be swashed
Living, induction photochemical reaction leads to part corneal limbus stroma cell, stem cell and conjunctival cells apoptosis, may thus destroy angle
Conjunctiva normal configuration and function.
(2) riboflavin solution largely flows to conjunctival sac, needs to be continuously replenished, and results in drug waste.
Utility model content
In view of the above problems, the purpose of the utility model is to provide one kind can be to tour in corneal cross-linking art
Corneal limbus and its adjacent bulbar conjunctiva tissue are protected, and riboflavin solution is stopped, so that corneal limbus and conjunctival tissue be avoided to damage
Protective device.
To achieve the goals above, the device described in the utility model that corneal limbus is protected in corneal cross-linking art, including body
Portion and alar part, the body portion is annular in shape, protrudes from the alar part, and the alar part is connect with the body portion, in along the body portion to
The inner surface of the ring-type that outer incline extends, the alar part has anti-skid structure.
The device that corneal limbus is protected in corneal cross-linking art, wherein the anti-skid structure includes being arranged described
One or both of non-slip texture and protrusion on the inner surface of alar part.
The device that corneal limbus is protected in corneal cross-linking art, wherein multiple radial arrangements of protrusion.
The device that corneal limbus is protected in corneal cross-linking art, wherein the rotary table that the protrusion is 0.2mm in height
One end diameter of shape, the protrusion and wing contacts is 0.2mm, and other end diameter is 0.1mm.
The device that corneal limbus is protected in corneal cross-linking art, wherein the body portion, alar part and protrusion are black silicon
Glue material.
The device that corneal limbus is protected in corneal cross-linking art, wherein the annular diameters in the body portion are 10mm, outside
Ring diameter is 12mm, is highly 2mm, and the alar part is with a thickness of 1mm, annular diameters 12mm, outer annular diameter 16mm.
The device of the above-mentioned protection corneal limbus in corneal cross-linking art can be fixed in art needs cornea edge to be protected
Position, effectively limits the penetration range of riboflavin solution, and stops high-intensity ultraviolet light to corneal limbus and its adjacent bulbar conjunctiva
Damage.The protective device is easily prepared, can be with disinfection with high pressure steam, and repeated multiple times use, protecting effect is definite, diagonal conjunctiva group
It knits and does not damage, be suitble to clinically promote the use of.
Detailed description of the invention
By reference to the explanation below in conjunction with attached drawing, and with the utility model is more fully understood, this is practical new
The other purposes and result of type will be more clearly understood and understood.In the accompanying drawings:
Fig. 1 is the three-dimensional signal of the device first embodiment described in the utility model that corneal limbus is protected in corneal cross-linking art
Figure；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the schematic elevation view of the device described in the utility model that corneal limbus is protected in corneal cross-linking art；
Fig. 4 is the enlarged drawing in Fig. 3 at B；
Fig. 5 is the signal of the second embodiment of the device described in the utility model that corneal limbus is protected in corneal cross-linking art
Figure.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific embodiment
In the following description, for purposes of illustration, it in order to provide the comprehensive understanding to one or more embodiments, explains
Many details are stated.It may be evident, however, that these embodiments can also be realized without these specific details.
Fig. 1 is the three-dimensional signal of the device first embodiment described in the utility model that corneal limbus is protected in corneal cross-linking art
Figure, as shown in Figure 1, the device 100 for protecting corneal limbus in corneal cross-linking art includes body portion 110 and alar part 120, the body
Portion 110 is annular in shape, protrudes from the alar part 120, the clamping of the device 100 of convenient entire protection corneal limbus, the alar part 120 with
The body portion 110 connects, and in the ring-type for being inclined outwardly extension along the body portion 110, the inner surface of the alar part 120 has anti-skidding
Structure.
Both above-mentioned anti-skid structure can be the non-slip texture on the inner surface of alar part, be also possible to protrusion, be also possible to
Combination, it is preferable that as shown in Fig. 2, the anti-skid structure be protrusion 121, multiple raised 121 radial arrangements, further
Preferably, described raised 121 perpendicular to alar part 120 inner surface be arranged.
The above-mentioned device that corneal limbus is protected in corneal cross-linking art, body portion protrude from alar part, convenient entire protection corneal limbus
The clamping of device be consistent with the shape of eyeball surface using the cricoid alar part for being inclined outwardly extension, prevent riboflavin solution
Corneal limbal tissue is infiltrated through, the device of protection corneal limbus and the frictional force of eyeball surface are increased by anti-skid structure, so that protecting
The device of shield corneal limbus follows eyeball mobile.
In addition, be not inconsistent slightly even if alar part and eyeball shape have, it can also be by the slight amount to body portion, so that alar part
Inner annular edge is adjacent to eyeball, realizes the blocking to riboflavin solution.
In order to absorb ultraviolet light, it is preferable that above-mentioned body portion 110, alar part 120 and protrusion 121 are black silica gel material.
It is above-mentioned to protect 100 device of device of corneal limbus to be placed on 360 degree of corneal limbus in corneal cross-linking art, core can be stopped
Flavine solution infiltrates through corneal limbal tissue, while can protect corneal limbus from ultraviolet light.
In a preferred embodiment, as shown in Figures 3 and 4, the annular diameters Φ 1 in the body portion 110 is 10mm, and outer ring is straight
Diameter Φ 2 is 12mm, and height H1 is 2mm, and the 120 thickness D of alar part is 1mm, and annular diameters 12mm, outer annular diameter Φ 3 are
16mm, protrusion 121 are the round table-like of 0.2mm in height H2, it is preferable that in far from alar part inner ring direction size gradually small rotary table
One end diameter of phi 4 of shape, the protrusion and wing contacts is 0.2mm, and the diameter of the other end is 0.1mm.As shown in figure 3, multiple
Raised 121 radial array arrangements are in the inner surface of alar part 120, such as multiple raised 121 in 12 column, and each column 4 radial
Arrangement.
Above-mentioned raised 121 in radioactivity arrange, can from all angles guarantee eye protection corneal limbus device 100 relative to
Eyeball is static, i.e., slides with Rotation of eyeball, prevents from causing part corneal limbus and bulbar conjunctiva exposure in treatment since eyeball is mobile
And cornea therapy region is accidentally covered.
Above-mentioned body portion 110, alar part 120 and protrusion 121 can be integrated molding, can also be with releasable connection, such as plug-in
Connection, be threadedly coupled etc., facilitate body portion 110 and various sizes of alar part 120 to connect, to adapt to the various sizes of demand of eyes.
In one embodiment of the utility model, as shown in figure 5, protecting the device of corneal limbus in corneal cross-linking art
100 include body portion 110 and multiple alar parts 120, is provided with sliding slot 113 in body portion 110, sliding axle 122 is provided on alar part 120,
Multiple alar parts 120 are arranged successively in the sliding slot from top to bottom according to the sequence of size from big to small, according to the difference of eyes
Size is covered using different alar parts 120.
As can be seen from Figure 5.The outer surface in body portion 110 is arranged in sliding slot 113, and the convenient annular distance by body portion 110 carries out
Observation and operation, but the utility model is not limited to this, the inner ring surface in body portion 110 can be set in sliding slot 113.
Above-mentioned multiple embodiments give the different form of multiple devices that corneal limbus is protected in corneal cross-linking art, still
The utility model is not limited to this, and can be each structure for protecting the device of corneal limbus in the various embodiments described above in corneal cross-linking art
The various different combinations of part.
Although content disclosed above shows the exemplary embodiment of the utility model, it should be noted that not carrying on the back
Under the premise of the scope of the utility model limited from claim, it may be many modifications and modify.In addition, although this reality
It can be described or be required in the form of individual with novel element, it is also contemplated that it is multiple, it is unless explicitly limited odd number.
Claims (6)
1. a kind of device for protecting corneal limbus in corneal cross-linking art, which is characterized in that including body portion and alar part, the body portion is in
Ring-type protrudes from the alar part, and the alar part is connect with the body portion, in the ring-type for being inclined outwardly extension along the body portion, institute
The inner surface for stating alar part has anti-skid structure.
2. the device according to claim 1 for protecting corneal limbus in corneal cross-linking art, which is characterized in that the anti-Slipped Clove Hitch
Structure includes one or both of the non-slip texture being arranged on the inner surface of the alar part and protrusion.
3. the device according to claim 2 for protecting corneal limbus in corneal cross-linking art, which is characterized in that multiple described convex
Play radial arrangement.
4. the device according to claim 3 for protecting corneal limbus in corneal cross-linking art, which is characterized in that the protrusion is in
Height is the round table-like of 0.2mm, and one end diameter of the protrusion and wing contacts is 0.2mm, and other end diameter is 0.1mm.
5. the device according to claim 3 for protecting corneal limbus in corneal cross-linking art, which is characterized in that the body portion,
Alar part and protrusion are black silica gel material.
6. the device according to claim 1 for protecting corneal limbus in corneal cross-linking art, which is characterized in that the body portion
Annular diameters are 10mm, outer annular diameter 12mm, are highly 2mm, and the alar part is with a thickness of 1mm, annular diameters 12mm, outer ring
Diameter is 16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249747.6U CN208388845U (en) | 2017-09-27 | 2017-09-27 | The device of corneal limbus is protected in corneal cross-linking art |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249747.6U CN208388845U (en) | 2017-09-27 | 2017-09-27 | The device of corneal limbus is protected in corneal cross-linking art |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208388845U true CN208388845U (en) | 2019-01-18 |
Family
ID=65065596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721249747.6U Active CN208388845U (en) | 2017-09-27 | 2017-09-27 | The device of corneal limbus is protected in corneal cross-linking art |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208388845U (en) |
-
2017
- 2017-09-27 CN CN201721249747.6U patent/CN208388845U/en active Active
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