Multifunctional adhered elastomer

Abstract

A multifunctional viscoelastic agent used for operation, mydriasis, miosis, narcosis, etc is prepared from a viscoleastic substance, a dyeing substance, a fluorescent substance, and one or more medicines through physical and / or chemical mixing.

Description

technical field [0001] The invention relates to a clinical medical device, in particular to a novel multifunctional viscoelastic used in ophthalmic microsurgery. Background technique [0002] Viscoelastics are very important in ophthalmic cataract, corneal transplantation, ocular trauma and other operations. They can protect the corneal endothelium, maintain the depth of the anterior chamber, protect intraocular tissues, cooperate with mydriasis, prevent vitreous prolapse, help hemostasis, support the capsular bag, and lubricate Sutures etc. The use of viscoelastics improves the quality and safety of surgery. Commonly used viscoelastic agents include sodium hyaluronate, methylcellulose, and chondroitin sulfate. [0003] The disadvantages of currently used viscoelastics are: [0004] 1. The composition is single and the function is insufficient. Due to different conditions, during the operation, it may be necessary to keep the pupils dilated, or to keep the pupils constri...

AI Technical Summary

Problems solved by technology

These auxiliary drugs are often urgently needed in the operation, and the existing drug administration methods are mostly administered in the conjunctival sac or anterior chamber before and during the operation, and the effect is poor. If used repeatedly, it may cause damage and delay to the ocular tissue. operation time

[0005] 2. No color, no fluorescence, poor recognition and attractiveness

The contrast in the surgical field of view is low, the three-dimensional effect is poor, the visual efficiency of the surgeon is low, and the visual fatigue is easy; the viscoelastic agent in the anterior chamber is not easy to be removed after the operation, and the residual viscoelastic agent in the anterior chamber causes the patient to have high eyesight after operation. Pressure; does not prevent macular damage that may be caused by strong light from the operating microscope

[0006] Through searching, there is still no solution that can solve the above problems at the same time at home and abroad.