描述

聚甲基丙烯酸甲酯医疗用途

PMMA塑料材料

优良的透明度和优异的耐老化性

PMMA具有重量轻、成本低、易于成型的优点

医用有机玻璃

产品细节

聚甲基丙烯酸甲酯的医疗用途

聚甲基丙烯酸甲酯在医学上还有另一个奇妙的用途，那就是制造人工角膜。如果人眼的透明角膜被不透明材料覆盖，光就不能进入眼睛。这是由全角膜白斑引起的失明，这种疾病不能用药物治疗

关于医疗用途的详细信息，请立即联系我们

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PMMA Medical Use

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PMMA Plastic Material
Excellent transparency and outstanding aging resistance
PMMA has the advantages of light weight, low cost and easy molding.

PMMA Medical Use

Product Details

PMMA medical use

PMMA has another wonderful use in medicine, which is to make artificial cornea. If the transparent cornea of the human eye is covered with opaque material, light cannot enter the eye. This is blindness caused by total corneal leukoplakia, and this disease cannot be treated with drugs.

Therefore, medical scientists envisioned replacing the cornea with white spots with an artificial cornea. The so-called artificial cornea is to use a transparent material to make a lens column with a diameter of only a few millimeters, and then drill a small hole in the cornea of the human eye to fix the lens column on the cornea, and the light enters the eye through the lens column. The human eye can see the light again.

PMMA medical use

As early as 1771, ophthalmologists used optical glass to make a lens column and implant the cornea, but they did not succeed. Later, it took only half a year to replace the optical glass with crystal and it failed. In World War II, when some planes crashed, the cockpit covers made of PMMA on the planes were blown up, and PMMA fragments were embedded in the eyes of the pilots. After many years, although these fragments were not removed, they did not further cause inflammation or other adverse reactions in the human eye. This incident shows that plexiglass has good compatibility with human tissues. At the same time, it also inspired ophthalmologists to use plexiglass to make artificial cornea, which has good light permeability, stable chemical properties, non-toxic to the human body, easy to process into the required shape, and long-term compatibility with the human eye. Artificial cornea made of PMMA has been widely used clinically.

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