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Method for eye surgical procedure

An ophthalmic surgery, eye technology, applied in the field of therapeutic equipment, ophthalmic surgery, to generate control data for therapeutic equipment, able to solve problems such as risk, damage effectiveness and safety

Active Publication Date: 2017-08-18
CARL ZEISS MEDITEC AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] If the correction is carried out with one of the corrective methods described, damage to the tissue covering the implant and the direct interaction of the treatment beam with the implant represent a certain detriment to the effectiveness and safety of the entire method. risk

Method used

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  • Method for eye surgical procedure
  • Method for eye surgical procedure
  • Method for eye surgical procedure

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0040] Therapeutic equipment used in ophthalmic surgery is in figure 1 are shown in and have a common reference numeral 1 . The treatment device 1 is designed to introduce a laser incision in one eye 2 of a patient 3 . For this purpose, the treatment device 1 has a laser device 4 , which emits a laser beam 6 from a laser source 5 , which is directed as a focused beam 7 into the eye 2 or into the cornea. Preferably, the laser beam 6 is a pulsed laser beam with a wavelength between 300 nanometers and 10 micrometers. Furthermore, the pulse length of the laser beam 6 is in the range between 1 femtosecond and 100 nanoseconds, with pulse repetition rates from 50 to 50,000 kHz and pulse energies between 0.01 microjoule and 0.01 millijoule being possible . The treatment device 1 thus produces cutting surfaces in the cornea of ​​the eye 2 by deflecting the pulsed laser beam. A scanner 8 and a beam intensity modulator 9 are therefore also provided for this purpose in the laser devic...

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PUM

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Abstract

The invention relates to a planning device for generating control data for a treatment apparatus, which by means of a laser device generates at least one cut surface in the cornea, and to a treatment apparatus having such a planning device. The invention further relates to a method for generating control data for a treatment apparatus, which by means of a laser device generates at least one cut surface in the cornea, and to a corresponding method for eye surgery. The planning device is thereby provided with calculating means for defining the corneal cut surfaces, wherein the calculation means determines the corneal incisions such that after inserting an implant into the cornea, existing refractive errors are counteracted.

Description

technical field [0001] The invention relates to a planning device for generating control data for a treatment device which produces at least one incision in the cornea by means of a laser device. The invention also relates to a treatment device having a planning device of the type described. [0002] The invention also relates to a method for generating control data for a treatment device that produces at least one incision in the cornea of ​​the eye by means of a laser device. [0003] Finally, the invention likewise relates to an eye surgery method in which at least one incision is made in the cornea of ​​the eye by means of a treatment device with a laser device. Background technique [0004] A wide variety of treatment methods are known in the prior art for the purpose of refractive correction in the human eye. The purpose of the surgical approach here is to modify the cornea in a targeted manner in order to influence the refraction of light in the eye. Various surgic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F9/008
CPCA61F9/00827A61F9/00834A61F9/00831A61F2009/00878A61F2009/00872A61F9/00A61F9/007A61F9/008A61F9/00825
Inventor 马克·比朔夫格雷戈尔·施托布拉瓦
Owner CARL ZEISS MEDITEC AG