Eye speculum

Abstract

The invention relates to the technical field of medical instruments, and particularly discloses an eye speculum which comprises a spring end and two side arms extending from the spring end, wherein the tail end of one side arm is provided with an upper eyelid opening hook used for opening an upper eyelid, and the tail end of the other side arm is provided with a lower eyelid opening hook used for opening a lower eyelid; rotating shafts are arranged on the upper eyelid opening hook and the lower eyelid opening hook, two clamping strips are connected between the two rotating shafts, the upper portion and the lower portion of each clamping strip are each provided with a clamping block in a sliding mode, a through hole is formed in each clamping block, and the two clamping strips penetrate through the through holes respectively; and the two clamping blocks are used for enabling the two clamping strips to be attached when getting close to each other, and the two clamping blocks are used for enabling the two clamping strips to be separated when getting away from each other. Through the arrangement, a surgeon can complete a pterygium resection operation by one person, and assistance of an assistant is not needed.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a eyelid speculum. Background technique [0002] see Figure 4 and Figure 5 , Pterygium 200 refers to the hyperplasia and protruding meat of the conjunctiva 100 of the eyeball, between the conjunctiva 100 and the cornea 300, also known as pterygium, is divided into three parts, grows on the eyeball, is the tip of the pterygium, called The head is fan-shaped and slightly raised. The part located at the junction of the black and white eyes is called the neck, and the wide part extending to the surface of the white eyes is called the body. The eyes are exposed to smoke, sand, and sunlight for a long time, and are stimulated by cold and heat. The conjunctival connective tissue will degenerate and proliferate. The pterygium with more cornea affects the vision of the patient and should be surgically removed. [0003] Existing pterygium excision operation generally comprises...

AI Technical Summary

Problems solved by technology

[0005] In view of the deficiencies in the prior art above, the purpose of the present invention is to provide a lid speculum, aiming to solve the problem that in the existing pterygium excision surgery, the chief surgeon needs the assistance of an assistant and cannot be operated by one person.

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