Scarring suppression and filtering bleb maintenance tool for use after glaucoma surgery

Abstract

The invention relates to a tool to be implanted during glaucoma filtration surgery. The tool can bear and slowly release, in trace quantity, various anti-postoperative-scarring drugs and allows drugsto be supplementarily injected after complete drug consumption; the tool can also automatically promote and maintain the formation of functional filtering blebs for a patient through physical action.The tool mainly comprises three parts: shell 1, drug slow-release bag 2 and drug 3. The tool also has a simplified version, comprising an integration of shell 1 and drug slow-release bag 2. The shellis structurally simplified to slight degree, with size, shape and other parameters and mounting and application methods basically unchanged. The tool (or its simplified version) has the advantages that the aqueous humor filtering function for glaucoma filtration surgery lasts longer through medication action, physical action and other means, long-term effectiveness of the glaucoma filtration surgery is significantly improved, surgical recurrence rate is reduced, and the tool is particularly suitable for surgical treatment of various types of 'refractory' glaucoma.

Description

technical field [0001] The invention relates to a tool implanted in glaucoma filtering surgery, which can effectively prevent the healing of the postoperative filtering channel, make the aqueous humor filtering function of glaucoma filtering surgery more "durable", and significantly improve glaucoma filtering. Improve the success rate of surgery and reduce the recurrence rate of surgery. Background technique [0002] Glaucoma filtration surgery is the most commonly used and classic surgical method among various anti-glaucoma surgeries. Its success is evaluated by whether it establishes an effective permanent aqueous humor outflow channel. The wound healing has unique requirements, that is, the bulbar conjunctival wound must heal completely, while the subconjunctival tissue must heal incompletely, but the scleral flap and the internal opening of the filter must not heal at all, so that a functional filtering bleb can be established to ensure Aqueous humor is permanently out...

AI Technical Summary

Problems solved by technology

[0019] Existing problems——If the internal opening of the filter is healed or the scleral flap is healed with the scleral bed, massage is difficult to be effective, and the massage method and strength are difficult for patients to master. Improper massage will lead to anterior chamber disappearance, anterior chamber hemorrhage, and filtration bleb Complications such as rupture, iris impaction at the incision, limbal incision dehiscence

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