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Innovative Technique to Improve Success Rate of Laser Eye Surgery

標題: System And Method For Real-Time Feedback OF Ablation Rate During Laser Refractive Surgery

詳細技術說明: None

*Abstract

Provides Feedback in Real-Time During Laser Eye Surgery to Prevent Possible Injuries

This exciting technology reduces unexpected complications during laser corneal refractive eye surgery, more commonly known as LASIK and PRK. LASIK and PRK have become immensely popular, with approximately 19 million Americans undergoing a LASIK procedure in 2013. There are an estimated 63 million Americans who are eligible candidates for the surgery. Our researchers have developed a technique to reduce the risk of complications during the surgery, as well as reducing the need for additional procedures and re-treatments.

Applications

Clinical laser refractive systems, used for procedures such as LASIK (laser-assisteed in situ keratomileusis) and PRK (photorefractive keratectomy)

Advantages

Improves the outcome for all patients undergoing laser refractive procedures increasing demand for such surgeries
Improves the success rate for patients with extreme refractive conditions and leads to a decreasein the need for re-treatment
Elimination of re-treatment provides substantial cost-savings to clinical providers

Technology

Existing laser refractive systems rely on empirically determined ablation rates of corneal tissue, leading to unexpected surgical outcomes in some cases. Researchers at the University of Florida have developed a technique to evaluate the ablation rate in real-time during laser refractive surgical procedures. This technique can be implemented in clinical systems to provide ablation rate feedback, which will allow refractive systems to compensate via direct feedback during the laser procedures, thereby correcting for individual (patient to patient) variations in ablation rate. The technique is a means to passively collect and process laser waveforms, namely using a cross-correlation function, resulting in a metric that may be used to predict laser ablation rates on an individual basis. The means collecting the waveform may be done with any combination of mirrors, lenses, fast photo detectors, and signal processing equipment. There is no competing process involving real-time methods to correct laser refractive treatment algorithms.

*IP Issue Date: Apr 24, 2007

*IP Publication Date: Nov 2, 2006

*Principal Investigation: Name: David Hahn
Department:

Name: Brian Fisher
Department:

附加資料: Inventor: Hahn, David Worthington | Fisher, Brian T.
Priority Number: US7207983B2
IPC Current: A61B001820
US Class: 606005 | 606004 | 606010
Assignee Applicant: University of Florida Research Foundation Inc.inesville
Title: System and method for real-time feedback of ablation rate during laser refractive surgery
Usefulness: System and method for real-time feedback of ablation rate during laser refractive surgery
Summary: Used for correcting an imperfect vision condition e.g. myopia and astigmatism, and in a laser angioplasty system.
Novelty: Laser-based refractive surgery system for e.g. myopia, has controller utilizing cross-correlation function and ablation rate to adjust one operating parameter of laser beam in real-time during refractive procedure

主要類別: 生物醫學

細分類別: 醫療裝置

申請日期: Apr 29, 2005

申請號碼: 7,207,983

其他

國家/地區: 美國

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