Artificial cornea

A technology of artificial cornea and metal ring, applied in medical science, eye implants, prostheses, etc., to achieve the effect of expanding indications, rapid recovery and less trauma

Pending Publication Date: 2019-03-26
GUANGDONG JIAYUE MEISHI BIOTECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But these artificial corneas can only be implanted through penetrating keratoplasty, and these artificial corneas either r

Method used

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Embodiment 1

[0022] An embodiment of the artificial cornea of ​​the present invention, such as Figure 1~2 As shown, it includes a bracket 1, a titanium ring 2 and a cylindrical mirror 3. The bracket 1 is fixedly connected to the outer side of the titanium ring 2. Both the titanium ring 2 and the bracket 1 have nano-sized surfaces, and the cylindrical mirror 3 is embedded in the titanium ring 2. The mirror 3 is made of PMMA material, the cylindrical mirror 3 is a plano-convex cylindrical lens, the back 6 of the cylindrical mirror 3 is a plane, the front 7 is an arc surface, and the radius of curvature of the arc surface is 7.5mm;

[0023] There are 8 brackets 1, all of which are made of titanium alloy, and are evenly distributed on the outside of the titanium ring 2. The bracket has a main shaft 4 in the middle and secondary shafts 5 on both sides of the main shaft. The secondary shaft 5 is fixedly connected to the main shaft 4, and the main shaft 4 There are two secondary axes 5 on one si...

Embodiment 2

[0026] A kind of embodiment of artificial cornea of ​​the present invention, with reference to figure 1 , including a bracket 1, a titanium ring 2 and a cylindrical mirror 3, the bracket 1 is fixedly connected to the outer side of the titanium ring 2, both the titanium ring 2 and the bracket 1 have nanometerized surfaces, the cylindrical mirror 3 is embedded in the titanium ring 2, and the cylindrical mirror 3 Adopt PMMA material to make, and cylindrical mirror 3 is plano-convex cylindrical lens, and the reverse side 6 of cylindrical mirror 3 is plane, and front 7 is arc surface, and the radius of curvature of arc surface is 6.8mm (as figure 2 shown);

[0027] There are three brackets 1, all of which are made of titanium alloy, and are evenly distributed on the outside of the titanium ring 2. The bracket 1 has a main shaft 4 in the middle and secondary shafts 5 on both sides of the main shaft 4, and the secondary shaft 5 is fixedly connected to the main shaft 4. There are th...

Embodiment 3

[0030] A kind of embodiment of artificial cornea of ​​the present invention, with reference to figure 1 , including a bracket 1, a titanium ring 2 and a cylindrical mirror 3, the bracket 1 is fixedly connected to the outer side of the titanium ring 2, both the titanium ring 2 and the bracket 1 have a nano-sized surface, the cylindrical mirror 3 is embedded in the titanium ring, and the cylindrical mirror 3 adopts PMMA material is made, and cylindrical mirror 3 is a plano-convex cylindrical lens, and the reverse side 6 of cylindrical mirror 3 is a plane, and the front face 7 is an arc surface, and the radius of curvature of the arc surface is 8.8mm (such as figure 2 shown);

[0031] There are 6 brackets 1, all of which are made of titanium alloy, and are evenly distributed on the outside of the titanium ring 2. The bracket 1 has a main shaft 4 in the middle and secondary shafts 5 on both sides of the main shaft. The secondary shaft 5 is fixedly connected to the main shaft 4, a...

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Abstract

The invention discloses an artificial cornea. The artificial cornea comprises a support, a metal ring and a cylindrical mirror, the support is fixedly connected with the outer side of the metal ring,the metal ring and the support respectively have a nanocrystallized surface, the cylindrical mirror is embedded in the metal ring, the cylindrical mirror is made from a PMMA material, the cylindricalmirror is a plano-convex cylindrical lens, the reverse surface of the cylindrical mirror is a plane, the front surface is a cambered surface, and the curvature radius of the cambered surface is 6.8-8.8 mm. The optical lens and the support of the artificial cornea are improved, the fixing effect of the titanium alloy ring makes the PMMA mirror cylinder (the cylindrical mirror) modified in a personalized manner according to the thickness of the lesion portion of the lesion cornea of a patient in order to achieve thinning as possible, and only the replacement of the lesion cornea tissue layer ofthe patient and only the implementation of lamellar keratoplasty in the operation process have few damages to the patient and makes the patient quickly recover.

Description

technical field [0001] The invention relates to the technical field of artificial cornea, in particular to an artificial cornea which can be used for lamellar implantation. Background technique [0002] The artificial cornea is a special refractive device made of heterogeneous materials that replace the turbid corneal tissue. It is surgically implanted into the affected eye to achieve certain vision. The most widely used artificial corneal transplants are the AlphaCor artificial cornea developed by the Lions Eye Institute in Australia, the bone-tooth artificial cornea invented by Strampelli in Italy, and the Boston artificial cornea in the United States. In addition, the former Soviet Union has the Fyodorov-Zuev artificial cornea, South Korea has the Seoul type artificial cornea and India's improved Boston artificial cornea. But these artificial corneas can only be implanted through penetrating keratoplasty, and these artificial corneas either require a donor cornea, or the...

Claims

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Application Information

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IPC IPC(8): A61F2/14
CPCA61F2/142A61F2/1451A61F2210/00
Inventor 翟嘉洁
Owner GUANGDONG JIAYUE MEISHI BIOTECHNOLOGY CO LTD
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