CN103735350A - Disposable cornea protecting glasses for ophthalmologic operations - Google Patents
Disposable cornea protecting glasses for ophthalmologic operations Download PDFInfo
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- CN103735350A CN103735350A CN201310593512.9A CN201310593512A CN103735350A CN 103735350 A CN103735350 A CN 103735350A CN 201310593512 A CN201310593512 A CN 201310593512A CN 103735350 A CN103735350 A CN 103735350A
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Abstract
本发明公开了一种一次性眼科手术用角膜保护镜，包括光滑的镜片表面及镜片内面，所述镜片表面和镜片内面连成一体组成弧形的镜片本体，所述镜片表面和镜片内面之间的夹层内包裹有用于阻挡光线进入瞳孔的棉片；本发明的一次性眼科手术用角膜保护镜，利用镜片内的棉片进行遮光，安全卫生且效果显著，可减少术中手术光源对病人的刺激；弧形镜片与人体眼膜形状相似，可稳定地贴在角膜上；镜片表面、内面光滑，对角膜无损伤，因此使用便捷、安全舒适，降低病人在手术中的不适感；本发明结构简单、使用方便，具有很强的推广应用价值。
The invention discloses a disposable corneal protective lens for ophthalmic operation, which comprises a smooth lens surface and a lens inner surface, the lens surface and the lens inner surface are connected together to form an arc-shaped lens body, and the lens surface and the lens inner surface are connected together to form an arc-shaped lens body. The interlayer is wrapped with a cotton sheet for blocking light from entering the pupil; the disposable ophthalmic surgery corneal protective glasses of the present invention use the cotton sheet in the lens to shield light, which is safe, hygienic and effective, and can reduce the impact of the surgical light source on the patient during the operation. Stimulation; the curved lens is similar in shape to the human eye membrane, and can be stably attached to the cornea; the surface and inner surface of the lens are smooth, and there is no damage to the cornea, so it is convenient, safe and comfortable to use, and reduces the discomfort of the patient during the operation; the structure of the present invention It is simple and convenient to use, and has strong promotion and application value.
Description
Technical field
The present invention relates to a kind of surgery assistor tool, particularly a kind of disposable eyes corneal protection mirror that plays interception in ophthalmologic operation.
Background technology
Cornea is the top transparent parts of eyes, covers iris, pupil and anterior chamber, and provides most of refractive power for eyes.Add the refractive power of crystal, light just can focus on exactly and on retina, form image.Cornea has very responsive teleneuron, and if any foreign object contact cornea, eyelid just can close to protect eyes in spite of oneself.In order to keep transparent, cornea does not have blood vessel, sees through tear and aqueous humor and obtains nutrient and oxygen.Eyes are when clear-headed, and tear constantly generates, and constantly twinkle to protect the normal physiological function of cornea while opening eyes, tear regeneration not after falling asleep, and catacleisis is tight, can prevent the tear film evaporation of anterior corneal surface.
The common extraocular surgery of ophthalmology comprises the operation at the positions such as stravismus, eyelid, eye socket, needs fully to expose operating field, thereby inevitably cause the exposure of cornea in the process of operated eye.So long corneal exposure is brought many negative influences, to patient, increases very large misery and uneasy: first, due to operation light direct irradiation, it is dazzling and uncomfortable that patient feels, affects it and coordinate hands art; Secondly, because cornea has lost the normally moistening of the normal protection of eyelid and tear, very easily cause that tear film destroy, corneal epithelial cell come off, damaged even exposure keratitis, patient there will be photophobia, sheds tears and blocks the symptom of pain after operation; In addition, the various operation techniques because patient is forced to doctor directly perceived in whole operation process, likely exceed its psychological endurance power and cause dizzy fault.
At present, in extraocular surgery, the method for conventional protection cornea is: when operation starts, assistant makes the wet cotton sheet of a fritter by oneself and hides cornea.But there is defect in this homemade cotton sheet: the first, and cotton plate shape is irregular, is difficult for fixingly, usually when operation, is moved off normal and slides and come off; The second, cotton sheet is rough, and easily produces Cotton Gossypii silk, infiltrates in patient's eyes it is done not feel like oneself; Therefore the 3rd, the water suction moisture retention of cotton sheet is not lasting, needs assistant in art, constantly to drip to keep moistening, has disperseed assistant's attention and hinders it to coordinate operating doctor operation.In order to address the above problem; someone proposes to utilize corneal contact lens to come corneal to carry out insulation blocking; for example; in the utility model patent CN201759734U of bulletin on March 16th, 2011, a kind of corneal protection device has been proposed; having the corneal protection device of shade function to be placed in anterior corneal surface this dark color can avoid cornea directly to expose cornea insulation blocking, thereby effectively prevents high light, scratch; and can stop patient's sight line, reduce patient's fear.But; because the corneal protection device of this employing corneal contact lens structure need to have good histocompatibility; its water content is relatively abundant and be certain pellucidity; even employing dark material; its shaded effect is also insufficient; and dark material very likely leaks and make corneal dyeing from minute surface, patient is caused to secondary injury.
Therefore, just need to develop a kind of eyeglass of protecting cornea in ophthalmologic operation that is specifically designed to, its light shielding ability is strong, can reduce the stimulation of light source for surgery to patient in art, and uses safety, convenient, can stably be placed on patient's cornea, makes patient feel comfortable.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of disposable ophthalmic surgery corneal protection mirror, its light shielding ability is strong; can reduce the stimulation of light source for surgery to patient in art; and use safety, convenient, and can stably be placed on patient's cornea, make patient feel comfortable.
Disposable ophthalmic surgery of the present invention corneal protection mirror; comprise smooth lens surface and eyeglass inner face; described lens surface and eyeglass inner face are connected and form the eyeglass body of arc, are enclosed with for stopping that light enters the cotton sheet of pupil in the interlayer between described lens surface and eyeglass inner face.
Further, between described cotton sheet and described lens surface and the link of eyeglass inner face, there is space, in described space, be provided with the lens hole penetrating.
Further,, described lens hole is up-small and down-big boss-shaped, and its sectional area reduces to eyeglass inner face gradually from described lens surface
Further, described lens hole quantity is four, is evenly distributed on the equidistant circumference in center with described eyeglass body.
Further, the overall diameter of described eyeglass body is 12.0～14.0mm.
Further, the base arc of described eyeglass inner face is 8.3～8.7mm.
Further, the overall diameter of described cotton sheet is 3.0mm～9.0mm.
Beneficial effect of the present invention: disposable ophthalmic surgery of the present invention corneal protection mirror, utilize the cotton sheet in eyeglass to carry out shading, safety and sanitation and effect are remarkable, can reduce the stimulation of light source for surgery to patient in art; Arc lens is similar to human body eye mask shape, can stably be attached on cornea; Lens surface, inner face are smooth, corneal not damaged, and therefore easy to use, safety and comfort, reduce the sense of discomfort of patient in operation; The present invention is simple in structure, easy to use, has very strong application value.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is side cross-sectional view of the present invention;
Fig. 2 is Facad structure schematic diagram of the present invention.
The specific embodiment
Fig. 1 is side cross-sectional view of the present invention, Fig. 2 is Facad structure schematic diagram of the present invention, as shown in the figure: the disposable ophthalmic surgery of the present embodiment corneal protection mirror, comprise smooth lens surface 1 and eyeglass inner face 2, described lens surface 1 and eyeglass inner face 2 are connected and form the eyeglass body of arc, are enclosed with for stopping that light enters the cotton sheet 4 of pupil in the interlayer 3 between described lens surface 1 and eyeglass inner face 2; This corneal protection mirror adopts the material of contact lens to make, there is good biocompatibility with cornea tissue and tear, be transparent sheet circular-arc, integral diameter is slightly larger than human cornea diameter, radius of curvature is slightly larger than anterior surface of cornea, can as contact lens, firmly be placed in anterior corneal surface; For keeping patient's cornea moistening for a long time, in art, place before this corneal protection mirror and can drip with toughness and can protect the medicinal liquid of cornea as hyaluronic acid sodium, eye use viscoelastic agent, antibiotic gel for eye use etc.; Lens surface 1 and eyeglass inner face 2 are smooth surface, without dust particale, come off, and can reduce the friction with anterior corneal surface, corneal not damaged; Between lens surface 1 and eyeglass inner face 2, be interlayer 3, cotton sheet 4 is placed in interlayer 3; The diameter of cotton sheet 4, than the slightly larger in diameter of human body pupil, can effectively stop that light enters pupil, thereby make patient temporarily in blind state, need not in operation, look at light source and doctor's operation technique straight, avoids occurring corneal injury and psychic trauma; Even if the cotton sheet 4 generation Cotton Gossypii silks that are placed in interlayer 3 are also only retained in interlayer 3, can not cause stimulation because oozing out corneal; Meanwhile, cotton sheet 4 makes the mirror body of transparent flexible have certain intensity, while avoiding performing the operation, by medical apparatus and instruments, is scratched, abrades; In addition, because cotton sheet 4 has water absorption, can draw in relatively large medicinal liquid, increase the water content of this corneal protection mirror, weaken the deficiency of capturing effect and supplementing conversely lubricating fluid on cornea of tear in mirror body corneal, keep cornea moistening for a long time; The medicinal liquid that cotton sheet 4 absorbs is locked in interlayer 3, and because mirror body itself also has absorbability, the moisture volatilizing from cotton sheet 4 will be absorbed by interlayer 3, therefore can extend the moisture state of this corneal protection mirror; This corneal protection mirror is disposable medical article, once postoperatively should abandon.
In the present embodiment, between described cotton sheet 4 and described lens surface 1 and the link of eyeglass inner face 2, there is space, in described space, be provided with the lens hole 5 penetrating; The middle diameter of cotton sheet 4 is less than the overall diameter of eyeglass body, because cotton sheet 4 is that eyeglass body is to cover on cornea for stopping that light enters pupil; Outside the coverage of lens hole 5 in cotton sheet 4, otherwise by the result of use of the cotton sheet 4 of impact; Lens hole 5 is mainly used in to cornea oxygen supply, also can make the medicinal liquid dripping in operation enter rapidly eye mask, and two symmetrically arranged lens holes 5 also can be convenient to grab to pinch to wear with ophthalmic tweezers get this corneal protection mirror;
In the present embodiment, described lens hole 5 is up-small and down-big boss-shaped, its sectional area reduces the cross section of lens hole 5 gradually from described lens surface 1 to eyeglass inner face 2 can be rounded, triangle, square or other shapes, but in order to weaken the evaporation of anterior corneal surface liquid, be designed to from lens surface 1 to eyeglass inner face 2, up-small and down-big boss-shaped is most suitable.
In the present embodiment, described lens hole 5 quantity are four, are evenly distributed on the equidistant circumference in center with described eyeglass body; Equally distributed lens hole 5 can make oxygen supply, feed liquor even.
In the present embodiment, the overall diameter of described eyeglass body is 12.0mm; Adult male cornea transverse diameter meansigma methods is 11.04mm, and women is 10.05mm, and perpendicular footpath meansigma methods male is 10.13mm, and women is 10.08mm, and the overall diameter of eyeglass body is designed to 12.0mm and can be convenient to cover on cornea.
In the present embodiment, the base arc of described eyeglass inner face 2 is 8.5mm; Soft corneal contact lens base arc is larger, the inner surface that means eyeglass is more smooth, if the base arc of eyeglass is greater than the base arc of eyeball, just may occur that lens sticker does not live eyeball, situation about being easily shifted, if the base arc of eyeglass is less than the base arc of eyeball, easily allow eyes produce tension, uncomfortable sensation; Ordinary people's eye arc major part is between 8.4～8.6, and generally, the base arc of eyeglass should be greater than 10% of eyes base arc, and therefore, the base arc of eyeglass inner face 2 is designed to 8.5mm and has larger adaptability.
In the present embodiment, the overall diameter of described cotton sheet 4 is 9.0mm; The size of pupil can be controlled the light quantity that enters ophthalmic, the variable diameter of common people's pupil moves between 1.5～8.0mm, owing to needing to block completely pupil in operation, the overall diameter of cotton sheet 4 is designed to 9.0mm and can guarantees fully shading light line, and the size of cotton sheet 4 has also affected the performance of its other function.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310593512.9A CN103735350B (en) | 2013-11-18 | 2013-11-21 | Disposable ophthalmic surgery corneal protection mirror |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310578221.2 | 2013-11-18 | ||
| CN201310578221 | 2013-11-18 | ||
| CN201310593512.9A CN103735350B (en) | 2013-11-18 | 2013-11-21 | Disposable ophthalmic surgery corneal protection mirror |
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| Publication Number | Publication Date |
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| CN103735350A true CN103735350A (en) | 2014-04-23 |
| CN103735350B CN103735350B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310593512.9A Expired - Fee Related CN103735350B (en) | 2013-11-18 | 2013-11-21 | Disposable ophthalmic surgery corneal protection mirror |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358619A (en) * | 2020-04-13 | 2020-07-03 | 电子科技大学 | Macular protective keratoscope and instrument kit for ophthalmic surgery |
| CN111481340A (en) * | 2020-04-16 | 2020-08-04 | 杨晓岗 | A kind of corneal bandage lens and preparation method thereof |
| CN114176895A (en) * | 2021-11-23 | 2022-03-15 | 天津世纪康泰生物医学工程有限公司 | Cornea protective glasses for animals |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4570626A (en) * | 1984-01-20 | 1986-02-18 | Norris John L | Corneal light shield |
| US20070089217A1 (en) * | 2005-10-26 | 2007-04-26 | Bowers Adrian H | Light occlusive eyelid cover that permits uninhibited sight |
| CN201444222U (en) * | 2009-08-13 | 2010-04-28 | 刘娟 | Soft corneal light-proof contact lens |
| CN201624866U (en) * | 2009-12-11 | 2010-11-10 | 李水卿 | Nursing piece for corneal surgery |
| CN201759734U (en) * | 2010-08-06 | 2011-03-16 | 沈素民 | Cornea protector |
| CN202281873U (en) * | 2011-10-27 | 2012-06-20 | 连斌 | Solar eclipse glasses |
-
2013
- 2013-11-21 CN CN201310593512.9A patent/CN103735350B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4570626A (en) * | 1984-01-20 | 1986-02-18 | Norris John L | Corneal light shield |
| US20070089217A1 (en) * | 2005-10-26 | 2007-04-26 | Bowers Adrian H | Light occlusive eyelid cover that permits uninhibited sight |
| CN201444222U (en) * | 2009-08-13 | 2010-04-28 | 刘娟 | Soft corneal light-proof contact lens |
| CN201624866U (en) * | 2009-12-11 | 2010-11-10 | 李水卿 | Nursing piece for corneal surgery |
| CN201759734U (en) * | 2010-08-06 | 2011-03-16 | 沈素民 | Cornea protector |
| CN202281873U (en) * | 2011-10-27 | 2012-06-20 | 连斌 | Solar eclipse glasses |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111358619A (en) * | 2020-04-13 | 2020-07-03 | 电子科技大学 | Macular protective keratoscope and instrument kit for ophthalmic surgery |
| CN111481340A (en) * | 2020-04-16 | 2020-08-04 | 杨晓岗 | A kind of corneal bandage lens and preparation method thereof |
| CN111481340B (en) * | 2020-04-16 | 2023-11-10 | 杨晓岗 | A kind of preparation method of corneal bandage lens |
| CN114176895A (en) * | 2021-11-23 | 2022-03-15 | 天津世纪康泰生物医学工程有限公司 | Cornea protective glasses for animals |
| CN114176895B (en) * | 2021-11-23 | 2025-01-10 | 天津世纪康泰生物医学工程有限公司 | A cornea protection lens for animals |
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| Publication number | Publication date |
|---|---|
| CN103735350B (en) | 2016-01-20 |
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