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Filling drainage device for glaucoma trabecula excision operation

A drainage device and glaucoma technology, applied in ophthalmic treatment and other directions, can solve the problems of heavy burden on patients, failure of surgery, high price, etc., to ensure the success of surgery, promote the outflow of aqueous humor, and reduce the price.

Inactive Publication Date: 2002-02-27
郭雷
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to reduce the occurrence of surgical complications, a cross-linked hyaluronic acid sodium was used as a filler in non-penetrating trabeculectomy at home and abroad to prevent postoperative fibrous tissue hyperplasia, but the biomaterial 3 -Easy to absorb after 6 months, resulting in scar adhesion and re-failure of surgery, besides, it is expensive, about 3,000 yuan per tablet, and the burden on patients is heavy

Method used

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  • Filling drainage device for glaucoma trabecula excision operation
  • Filling drainage device for glaucoma trabecula excision operation
  • Filling drainage device for glaucoma trabecula excision operation

Examples

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example 1

[0009] example 1: figure 1 Middle is a tongue-shaped glaucoma trabeculectomy filling drain made of hydrophilic acrylic (poIy-megma) material. It is a tongue-shaped substrate 1 with three holes 2 on both sides of the center line and an impenetrable groove 3 in the middle. The length of the base of this tongue-shaped substrate 1 is 3.5mm, the vertical length is 4.5mm, the length of the top tongue is 1.5mm, the width of the tongue is 1.5mm, the diameter of the hole 2 is 0.4mm, and the thickness of the top tongue of the tongue-shaped substrate 1 is 0.3mm. The thickness of the lower part of the tongue-shaped substrate 1 is 1.5mm. The production method is as follows: use a computerized pneumatic plastic lathe to make the hydrophilic acrylic (poIy-megma) biological material into a tongue-shaped substrate structure with a computerized milling machine, then punch holes and open grooves, and then soak in warm water at 38°C for 30 minutes. Use a polishing machine to polish for 24 hours...

example 2

[0010] Example 2: figure 2 It is an isosceles triangular filling and drainage device, which is a triangular substrate 1 of equal thickness, each side is 3.2mm, and the thickness is 0.2mm. The substrate 1 is punched with 6 holes 2, and the diameter of the holes 2 is 0.4mm. There may be no groove in the middle of the sheet. Its manufacturing method is basically the same as Example 1, except that a triangular substrate structure is made with a computer milling machine and then drilled. This case is mainly applicable to penetrating trabeculectomy.

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Abstract

The glucomatous trabecula resection filling drainage device is applicable to non-penetrating trabecula resection therapy of open-angle glaucoma and penetrating trabecula resection therapy is acute and chronic angle-closure glaucoma. Said filling drainage device is made up by using hydrophilic acrylic biological material, the length of every direction is 3-5 mm, and thickness is 0.5-0.5mm. In the course of operation said filling drainage device is implanted in the "lake" of sclera or decompression cabin, and can effectively prevent aqueous human channel new-made after operation from producing inflammation and cicatrization, and retain continuous existence of functional liquid cavity, promote outflow of aqueous humor and ensure success of operation. As compared with existent sodium hyaluronate filling material its cost can be reduced by above 80%.

Description

(1) Technical field: [0001] The invention relates to a stuffer in glaucoma trabeculectomy. (2) Technical background: [0002] The traditional surgical method for treating glaucoma is penetrating trabeculectomy. Due to many postoperative complications, shallow anterior chamber, low intraocular pressure, anterior chamber hemorrhage, etc., and fibrous tissue hyperplasia under the scleral flap are prone to occur. In order to reduce the occurrence of surgical complications, a cross-linked hyaluronic acid sodium was used as a filler in non-penetrating trabeculectomy at home and abroad to prevent postoperative fibrous tissue hyperplasia, but the biomaterial 3 -Easy to absorb after 6 months, leading to cicatrix adhesion and re-failure of operation, moreover, it is expensive, about 3000 yuan per tablet, and the burden on patients is relatively heavy. (3) Contents of the invention: [0003] The purpose of the present invention is to use a new biological material hydrophilic acrylic...

Claims

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Application Information

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IPC IPC(8): A61F9/00
Inventor 郭雷孟海林
Owner 郭雷
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