Novel assembly type keratoprosthesis

An artificial cornea and assembled technology, applied in the field of biomedical engineering, can solve the problems of difficult sources of corneal donors and low success rate of surgery, and achieve the effects of increasing contact healing area, promoting healing, and reducing prolapse

Active Publication Date: 2015-06-10
SHANGHAI RES CENT OF BIOMEDICAL ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional corneal transplantation has two major disadvantages. One is the difficulty in obtaining corneal donors, and the other is the low success rate of the operation.

Method used

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  • Novel assembly type keratoprosthesis
  • Novel assembly type keratoprosthesis
  • Novel assembly type keratoprosthesis

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Embodiment Construction

[0063] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0064] see Figure 1 to Figure 12 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the s...

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Abstract

The invention relates to the field of biomedical engineering, and in particular relates to a novel assembly type keratoprosthesis. The assembly type keratoprosthesis provided by the invention comprises a central optical part and a fixed support part, wherein the central optical part comprises a spherical cover body and a cylindrical transparent body; the upper surface of the spherical cover body is a spherical face, and while the lower surface of the spherical cover body is connected with the upper surface of the cylindrical transparent body; through holes are arranged at the middle of the fixed support part; fixed rings are arranged on the sidewalls of the through holes; and the cylindrical transparent body passes through the fixed support part through the through holes. As being verified in a lagophthalmos animal experiment, the novel assembly type keratoprosthesis has the functions of promoting the tissue to quickly grow to achieve good healing, increasing the firmness of the keratoprosthesis and reducing the complications such as detaching, offsetting, water leaking, edema in surrounding tissue of keratoprosthesis and dissolving With the adoption of the assembly type keratoprosthesis, the incidence rate of anterior and posterior cylinder fibrosis proliferative membrances of the keratoprosthesis can be reduced in clinic, and the keratoprosthesis and the tissue in the lamellar cornea can be promoted to heal well.

Description

technical field [0001] The invention relates to the field of biomedical engineering, in particular to a novel assembled artificial cornea. Background technique [0002] The blindness of more than 10 million people in the world is caused by corneal disease, which is the second leading cause of blindness after cataract. 80% of them can be lifted out of blindness through corneal transplantation. However, traditional corneal transplantation has two major disadvantages. One is the difficulty in obtaining corneal donors, and the other is the low success rate of the operation. The emergence and application of artificial cornea has brought hope to patients with corneal blindness, and it is the ultimate method of vision recovery for corneal opacity patients who cannot recover their vision through corneal transplantation. [0003] Since the French ophthalmologist Pellier de Quengsy first proposed to implant glass flakes into the cloudy cornea in 1789 to restore vision, and Weber fir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/14
Inventor 孙建国徐建江钟伟
Owner SHANGHAI RES CENT OF BIOMEDICAL ENG
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