Bandage mirror for preventing adhesion of palpebral globoids

By designing a crescent-shaped lens body with its bottom end embedded between the lower eyelid and the eyeball, the problem of existing bandage lenses being unable to open up the folds inside the conjunctival sac is solved, achieving effective anti-adhesion of the eyelid and eyeball and drug retention.

CN223817746UActive Publication Date: 2026-01-23HENAN HONG HUI MEDICAL TECH CO TD
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Patent Information

Application Number
CN202422999040.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2026-01-23
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Existing bandage lenses cannot effectively open up the folds within the conjunctival sac, resulting in poor isolation of symblepharon.

Method used

The lens body is designed in a crescent shape, with the bottom end being thicker than the top end. The bottom end of the lens body is embedded between the lower eyelid and the eyeball, and is fixed by the pressure of the lower eyelid. The bottom end of the lens body opens up the folds inside the conjunctival sac and can be used to apply ointment to prolong the effect of the drug.

Benefits of technology

It effectively prevents symblepharon, improves the barrier between the palpebral and bulbar conjunctiva, makes the lens less prone to detachment, prolongs the duration of drug action, and promotes conjunctival sac recovery.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bondage mirror for preventing adhesion of palpebral globules, which comprises a lens body, the lens body is arranged in a transversely-arranged crescent shape, the periphery of the bottom end of the lens body is in a downwards-bent arc curved surface shape, the thickness of the bottom end of the lens body is larger than that of the top end of the lens body, and the thickness of the top end of the lens body is gradually increased from the top end of the lens body to the bottom end of the lens body. The thicker structure at the bottom end of the lens body completely expands the wrinkles in the lower conjunctival sac, the condition that the inner walls of the wrinkles of the conjunctival sac are mutually adhered is avoided, and the isolation effect of the eyelid conjunctiva and the bulbar conjunctiva is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ophthalmology, especially to a bandage mirror for preventing adhesion of the eyelid and eyeball. BACKGROUND

[0002] Adhesion of the eyelid and eyeball, conjunctival sac constriction caused by ocular acid-base chemical injury, thermal burns, mechanical eye injury and congenital disease, and adhesion of the eyelid and eyeball, conjunctival sac constriction still occur in some patients after surgical treatment; adhesion of the eyelid and eyeball, conjunctival sac constriction is one of the most difficult clinical problems.

[0003] Patent No. CN202220551842.6 discloses a corneal bandage mirror, which is similar to the structure of a contact lens and covers the eyeball to prevent adhesion of the eyelid and eyeball; however, the bandage mirror of this structure can cover the cornea, the corneal limbus and an area about 3-4 mm outside the corneal limbus. In actual application, since the surface of the conjunctival sac is uneven and may be relatively tortuous, the bandage mirror of this structure can only contact the outer surface of the conjunctival sac and cannot support the conjunctival sac and completely cover the inside of the conjunctival sac, which may cause the inner walls of the folds of the conjunctival sac to adhere to each other, reducing the isolation effect of the palpebral conjunctiva and the bulbar conjunctiva. It is necessary to improve it. SUMMARY

[0004] The utility model aims at the above -mentioned problem, provides a kind of structure simple, it is convenient to use the bandage mirror for preventing adhesion of the eyelid and eyeball.

[0005] To achieve the above object, the technical scheme of the utility model is as follows:

[0006] A bandage mirror for preventing adhesion of the eyelid and eyeball, comprising a lens body, the lens body is arranged in a horizontal crescent shape, the outer periphery of the bottom end of the lens body is in a downward curved arc surface shape, the thickness of the bottom end of the lens body is greater than the thickness of the top end of the lens body, and the top end of the lens body gradually thickens towards the bottom end of the lens body.

[0007] Further, the top end of the lens body is in a horizontal shape or a downward curved arc shape; when the top end of the lens body is in a downward curved arc shape, the downward curvature of the top end is smaller than the downward curvature of the bottom end of the lens body.

[0008] Further, the side surface of the lens body away from the eye is in an inclined plane shape or a circular arc surface shape, in which the thickness of the lens body gradually increases from the top end to the bottom end on the side surface.

[0009] Further, the side surface of the lens body away from the eye is divided into an upper part and a lower part from top to bottom, and the thickness increase rate of the upper part is smaller than that of the lower part.

[0010] Further, the height of the upper part is not less than the height of the lower part.

[0011] Further, the side surface of the lens body near the eye is a tilted planar or circular arc curved surface, which gradually increases the thickness of the lens body from the top to the bottom of the side surface, or is a planar surface, or is a circular arc curved surface, which decreases the thickness of the lens body from the top to the bottom of the side surface.

[0012] Further, the top edge, the bottom edge and the outer peripheral edge of the lens body are provided with a rounded corner structure.

[0013] Further, the thickness of the top of the lens body is 0.09-0.12mm, the thickness of the bottom of the lens body is 0.12-0.2mm, the length of the lens body is 20-35mm, and the height of the lens body is 3-5mm.

[0014] Further, the lens body is injection molded by polymethyl methacrylate.

[0015] Further, the lens body is coated with ointment or lubricant on the outside.

[0016] Compared with the prior art, the utility model has the advantages and positive effects that:

[0017] The utility model discloses a lens body structure is set up, in use can be placed directly in the lower eyelid, the lens body is clamped between the lower eyelid and the eyeball, thereby realizing the anti-adhesion effect between the lower eyelid and the eyeball, and the bottom thickness of the lens body is greater than the top thickness of the lens body, the lens body bottom can be embedded in the conjunctival sac between the inner wall of the lower eyelid and the bottom of the eyeball, under the extrusion of the lower eyelid, the lens body does not slide upward, and the position limiting effect of the lens body is achieved, and the lens body does not easily separate from the position of the lower eyelid when the eyeball rotates, the thick structure of the lens body bottom completely opens the wrinkles in the lower conjunctival sac, and the inner wall of the wrinkles does not appear to be mutually adhered, thereby effectively improving the isolation effect of the lid conjunctiva and the bulbar conjunctiva, the lens body can be coated with therapeutic eye ointment on the surface, the effect of retaining eye medicine and prolonging the action time of the medicine is achieved, the role of promoting the recovery of the conjunctival sac is achieved, and the use effect of the bandage mirror is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0019] Figure 1 is a front view structural diagram of the utility model;

[0020] Figure 2 is Figure 1 A-A cross section structure Figure 1 ;

[0021] Figure 3 is Figure 1 A-A cross section structure Figure 2 ;

[0022] Figure 4 is Figure 1 A-A cross section structure Figure 3 ;

[0023] Figure 5 is Figure 1 A-A cross section structure Figure 4 . DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, any modification, equivalent replacement, improvement, etc. obtained by those skilled in the art without creative labor should be included in the protection scope of the utility model.

[0025] Embodiment 1, as shown in Figure 1 , Figure 2 , the embodiment discloses a bandage mirror for preventing symblepharon, which comprises a lens body 1, the lens body 1 is formed by injection molding of polymethyl methacrylate, the lens body 1 is arranged in a horizontal crescent shape, the outer periphery of the bottom end of the lens body 1 is in a downward curved arc surface shape, and the top end of the lens body 1 is in a downward curved arc shape, and the downward curved radius of the top end is smaller than that of the bottom end of the lens body.

[0026] The thickness of the bottom end of the lens body 1 is greater than that of the top end of the lens body 1, and the top end of the lens body 1 gradually thickens towards the bottom end of the lens body 1; the top end edge, the bottom end edge and the outer peripheral edge of the lens body 1 are all arranged in a rounded corner structure.

[0027] The side surface 101 of the lens body away from the eye is in an inclined plane shape, so that the thickness of the lens body 1 gradually increases from the top end to the bottom end on the side surface; the side surface 102 of the lens body close to the eye is in an inclined plane shape, so that the thickness of the lens body 1 gradually increases from the top end to the bottom end on the side surface.

[0028] The thickness of the top end of the lens body is 0.12mm, the thickness of the bottom end of the lens body is 0.2mm; the length of the lens body is 30mm, and the height of the lens body is 4mm.

[0029] The structure does not distinguish the front and back of the lens body, and any one side can be attached to the eyeball, which is more convenient to use.

[0030] Embodiment 2, as shown in Figure 1 , Figure 3 The present embodiment discloses a bandage mirror for preventing synechia bulbaris, comprising a lens body 1, the lens body 1 is made of polymethyl methacrylate injection molding, the lens body 1 is arranged in a horizontal crescent shape, the outer periphery of the bottom end of the lens body 1 is in a downward curved arc surface shape, and the top end of the lens body 1 is in a downward curved arc shape, and the downward curved radius of the top end is smaller than the downward curved radius of the bottom end of the lens body 1.

[0031] The thickness of the bottom end of the lens body 1 is greater than the thickness of the top end of the lens body 1, and the top end of the lens body 1 gradually thickens towards the bottom end of the lens body 1; the top end edge, the bottom end edge and the outer peripheral edge of the lens body 1 are all set as a rounded corner structure.

[0032] The side surface of the side of the lens body away from the eye is in a circular arc surface shape, which gradually increases the thickness of the lens body 1 from the top end to the bottom end on the side surface; the side surface of the side of the lens body away from the eye is divided into an upper part 1011 and a lower part 1012 from top to bottom, the thickness increase rate of the upper part 1011 is smaller than that of the lower part 1012; the height value of the upper part 1011 is twice the height value of the lower part 1012.

[0033] The side surface 102 of the side of the lens body close to the eye is in an inclined plane shape, which gradually increases the thickness of the lens body 1 from the top end to the bottom end on the side surface.

[0034] The thickness of the top end of the lens body is 0.12mm, the thickness of the bottom end of the lens body is 0.2mm; the length of the lens body is 30mm, and the height of the lens body is 4mm.

[0035] The structure causes a significant thickness tapering structure between the upper part and the lower part, and the limiting effect of the lens body embedded between the lower eyelid and the eyeball is better.

[0036] Embodiment 3, as shown in Figure 1 , Figure 4As shown, this embodiment discloses a bandage lens for preventing symblepharon, including a lens body 1. The lens body 1 is injection molded from polymethyl methacrylate. The lens body 1 is arranged in a horizontal crescent shape. The outer periphery of the bottom end of the lens body 1 is a downward curved arc surface, and the top end of the lens body 1 is a downward curved arc. The downward curvature of the arc is smaller than that of the bottom end of the lens body 1.

[0037] The thickness of the bottom end of the lens body 1 is greater than the thickness of the top end of the lens body 1, and the thickness of the lens body 1 gradually increases from the top end to the bottom end of the lens body 1; the top edge, bottom edge and outer peripheral edge of the lens body 1 are all set with rounded corners.

[0038] The side 101 of the lens body away from the eye is an inclined plane that gradually increases the thickness of the lens body 1 from the top to the bottom of the side; the side 102 of the lens body close to the eye is a plane that keeps the thickness of the lens body 1 constant from the top to the bottom of the side.

[0039] The thickness of the top of the lens body is 0.1mm, and the thickness of the bottom of the lens body is 0.15mm; the length of the lens body is 30mm, and the height of the lens body is 4mm.

[0040] The planar structure of this product reduces production steps and manufacturing difficulty, while ensuring the anti-adhesion effect between the eyelid and the eyeball.

[0041] Example 4, such as Figure 1 , Figure 5 As shown, this embodiment discloses a bandage lens for preventing symblepharon, including a lens body 1. The lens body 1 is injection molded from polymethyl methacrylate. The lens body 1 is arranged in a horizontal crescent shape. The outer periphery of the bottom end of the lens body 1 is a downward curved arc surface, and the top end of the lens body 1 is a downward curved arc. The downward curvature of the arc is smaller than that of the bottom end of the lens body 1.

[0042] The thickness of the bottom end of the lens body 1 is greater than the thickness of the top end of the lens body 1, and the thickness of the lens body 1 gradually increases from the top end to the bottom end of the lens body 1; the top edge, bottom edge and outer peripheral edge of the lens body 1 are all set with rounded corners.

[0043] The side 101 of the lens body away from the eye is an inclined plane that gradually increases the thickness of the lens body 1 from the top to the bottom. The side 102 of the lens body near the eye is an arc-shaped surface that decreases the thickness of the lens body 1 from the top to the bottom. The decrease in thickness of this side is less than the increase in thickness of the side 101 away from the eye, so that the lens body 1 can maintain the technical feature of gradually increasing thickness from top to bottom.

[0044] The lens body top end thickness is 0.09mm, the lens body bottom end thickness is 0.12mm; the length of the lens body is 30mm, and the height of the lens body is 4mm.

[0045] The structure can improve the fitting area with the eyeball and increase the comfort by setting the circular arc concave structure on the side of the lens body close to the eye.

[0046] The bandage mirror in the utility model can be coated with some lubricant to achieve lubricating effect and improve the comfort of the eye during use, and some ointment can also be coated to assist in treating eye diseases; the bandage mirror is made of polymethyl methacrylate injection molding, which is a soft material, and can be partially cut according to the size of the eye during use to improve the adaptability of the eye, for example, it can be appropriately cut short when it is too long.

[0047] At present, the bandage mirror structure is mainly used for preventing adhesion between the lower eyelid and the eyeball, and the fitting rate between the bandage mirror and the lower eyelid is higher; of course, it can also be used between the upper eyelid and the eyeball after being turned over 180 degrees, and it can also prevent adhesion, but its limiting effect is poorer than that of the lower eyelid, and subsequent research and improvement will be carried out in this direction.

[0048] The utility model discloses a crescent-shaped lens body structure, which can be directly placed in the lower eyelid during use, so that the lens body is clamped between the lower eyelid and the eyeball, thereby achieving the effect of preventing adhesion between the lower eyelid and the eyeball; through the design that the bottom end thickness of the lens body is greater than the top end thickness of the lens body, the lens body bottom end can be embedded in the conjunctival sac between the inner wall of the lower eyelid and the bottom end of the eyeball, and under the extrusion of the lower eyelid, the lens body will not slide upward, thereby achieving the position limiting effect of the lens body, and the lens body is not easy to move out of the position of the lower eyelid when the eyeball rotates; the thick structure of the lens body bottom end completely opens the wrinkles in the lower conjunctival sac, and the inner wall of the wrinkles is not easy to adhere to each other, thereby effectively improving the isolation effect of the lid conjunctiva and the bulbar conjunctiva; in addition, the lens body can be coated with therapeutic eye ointment on the surface, thereby achieving the effect of storing eye medicine and prolonging the action time of the medicine, promoting the recovery of the conjunctival sac, and further improving the use effect of the bandage mirror.

Claims

1. A bandage lens for preventing symblepharon, comprising a lens body, characterized in that: The lens body is arranged in a horizontal crescent shape, and the bottom outer periphery of the lens body is a downward curved arc surface. The thickness of the bottom of the lens body is greater than the thickness of the top of the lens body, and the thickness gradually increases from the top of the lens body to the bottom of the lens body.

2. The bandage mirror for preventing symblepharon as described in claim 1, characterized in that: The top of the lens body is horizontal or curved downwards; when the top of the lens body is curved downwards, the downward curvature is less than the downward curvature of the bottom of the lens body.

3. The bandage lens for preventing symblepharon as described in claim 1, characterized in that: The side of the lens body away from the eye is shaped as an inclined plane or a curved surface, with the thickness of the lens body gradually increasing from the top to the bottom of that side.

4. The bandage mirror for preventing symblepharon as described in claim 3, characterized in that: The side of the lens body away from the eye is divided into an upper part and a lower part from top to bottom, and the thickness increase rate of the upper part is less than that of the lower part.

5. The bandage lens for preventing symblepharon as described in claim 4, characterized in that: The height of the upper part is not less than the height of the lower part.

6. The bandage mirror for preventing symblepharon as described in claim 1, characterized in that: The side of the lens body closest to the eye is shaped as an inclined plane or a curved surface that gradually increases in thickness from the top to the bottom of the side; or it is shaped as a plane that keeps the thickness of the lens body constant from the top to the bottom of the side; or it is shaped as a curved surface that decreases in thickness from the top to the bottom of the side.

7. The bandage lens for preventing symblepharon as described in claim 1, characterized in that: The top edge, bottom edge, and outer peripheral edge of the lens body are all designed with rounded corners.

8. The bandage mirror for preventing symblepharon as described in claim 1, characterized in that: The thickness of the top end of the lens body is 0.09–0.12 mm, and the thickness of the bottom end of the lens body is 0.12–0.2 mm; the length of the lens body is 20–35 mm, and the height of the lens body is 3–5 mm.

9. The bandage mirror for preventing symblepharon as described in claim 1, characterized in that: The lens body is injection molded from polymethyl methacrylate.

10. The bandage lens for preventing symblepharon as described in claim 1, characterized in that: The outer side of the lens body is coated with ointment or lubricant.

Citation Information

Patent Citations

  • Corneal bandage mirror

    CN217886361U