Laser capsulorhexis device and working method thereof

Abstract

The invention provides a laser capsulorhexis device which comprises a laser (1), a relay optical module (2), a spatial light modulator (3), a beam splitting cube (4), a galvanometer (5), a beam expanding module (6), a first dichroscope (7), an imaging lens (8), a human eye illumination light source (9), a second dichroscope (11), an optical coherence tomography module (12), a camera (13), a wavefront detection module (14) and a computer (15). According to the laser capsulorhexis device and the working method thereof, the human eye capsulorhexis surgical operation is achieved without a human eye interface or other devices achieving the human eye fixing function, the problem that in the traditional technology, human eyes are fixed through a human eye butt joint interface, and the accuracy of the capsulorhexis shape, size and position is difficult to guarantee during manual capsulorhexis of a doctor in the surgery is solved, anterior capsular membrane cutting is dynamically and accurately achieved in real time, the capsulorhexis operation is accurately and safely completed, and the accuracy and the reliability of the operation are greatly improved.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a laser capsulorhexis device and a working method thereof. Background technique [0002] In the field of lens replacement surgery, such as cataract surgery and presbyopia surgery, it is necessary to replace the patient's original lens with an artificial lens to improve vision. The most core step in the lens replacement operation is capsulorhexis, and the prior art is mainly the way of doctor's manual operation of capsulorhexis. At present, the phacoemulsification technology is very mature, and the doctor's manual nuclei fragmentation technology is also very mature. The biggest difficulty in the field of lens replacement is the capsulorhexis. Once the circular capsular bag is eccentric or too small, the capsular bag will shrink into a continuous circular capsular bag with a small diameter after operation, which will cause the intraocular lens to be eccentric, ...

AI Technical Summary

Problems solved by technology

Doctors rely on experience to complete manual capsulorhexis operation with great uncertainty, difficulty in ensuring the uniformity of capsulorhexis, low accuracy of shape and size of capsulorhexis, and rough edges of capsulorhexis membrane, which may cause adverse postoperative symptoms in severe cases

All these operations need to be done manually after the human eye is fixed, causing great psychological pressure on the patient.

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