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A laser capsulorhexis device

A laser and laser technology, applied in the field of medical equipment, can solve the problems of unfavorable health of patients, increased intraocular pressure, increased risk of surgical infection, etc., achieve good surgical uniformity, reduce experience requirements, improve accuracy and reliability sexual effect

Active Publication Date: 2022-04-22
广东麦特维逊医学研究发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of device for fixing the human eye needs to create a vacuum negative pressure to make the contact surface of the device and the human eye fit and absorb, which causes the intraocular pressure of the human eye to rise during the operation and causes a series of surgical side effects, which is harmful to the patient. Unfavorable to health, and the direct contact of such eye-fixing devices with the patient's eyes increases the risk of surgical infection

Method used

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  • A laser capsulorhexis device
  • A laser capsulorhexis device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] see figure 1 , is a schematic structural diagram of the laser capsulorhexis device provided in this application, including: a laser (1), a high-speed optical switch (101), a laser energy regulator (102), an optical relay system (103), a first beam expander system ( 2), the first reflector (3), the reflective spatial light modulator (4), the second reflector (5), the first lens group (801), the second lens group (802), the first vibrating mirror ( 6), third lens group (7), fourth lens group (8), first dichroic mirror (9), objective lens (10), human eye (11), imaging system (12), dual-mode optical coherence A chromatography system (13), a second vibrating mirror (14), a second dichroic mirror (15), a computer (16) and a human eye lighting system (17).

[0033] The working mode and connection relationship of each component will be described in detail below.

[0034] Specifically, the role of the laser (1) is to provide a laser light source. It can be understood that the l...

Embodiment 2

[0068] see figure 2 , a flow chart of the steps of the working method of the laser capsulorhexis device provided in Embodiment 2 of the present application, comprising the following steps:

[0069] Step S110: The dual-mode optical coherence tomography system (13) analyzes the acquired spatial position, posture, and corneal information of the human eye (11) to obtain human eye spatial posture, corneal aberration, corneal topography, and corneal three-dimensional data and stored in said computer (16);

[0070] Step S120: the laser (1) emits a first laser according to the data stored in the computer (16) and under its control;

[0071] Step S130: the first laser is incident on the high-speed optical switch (101), the laser energy regulator (102), the optical relay system (103) and the first beam expander system (2) in sequence to the first reflector (3), the first reflector (3) reflects the incident first laser light to the reflective spatial light modulator (4), and the refle...

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Abstract

This application provides a laser capsulorhexis device, which uses adaptive optics technology to complete the change of the laser wavefront on the optical path caused by the relative position change of the human eye and the aberration of the cornea of ​​the human eye, and realizes the detection through the optical coherence tomography system. The detection of human eye wavefront aberration and the detection of the relative spatial posture of the human eye, and the obtained detection data are uploaded to the computer, combined with the adaptive optical system to realize closed-loop control and adjustment, which solves the problem of traditional technology relying on the human eye docking interface to fix the human eye. Eye, when the doctor manually removes the capsulorhexis, it is difficult to guarantee the accuracy of the shape, size and position of the capsulorhexis. Real-time, dynamic and accurate cutting of the anterior capsule can complete the capsulorhexis operation accurately and safely, which greatly improves the operation efficiency. Accuracy and reliability, and the operation uniformity is good, which greatly reduces the requirement for the experience of the doctor who performs the operation.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a laser capsulorhexis device. 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, leading to the occurrence of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F9/008A61B3/10A61B3/14A61B3/00
CPCA61F9/008A61B3/102A61B3/14A61B3/0008A61F2009/00887A61F2009/0087A61F9/00827
Inventor 周辉曹海峰张道森王月虹
Owner 广东麦特维逊医学研究发展有限公司