Epithelium removal

Details Epithelium removal Epithelium removal

1994-03-28

1996-04-09

Pellegrino, Stephen C.

Surgery

Instruments

Light application

606 12, A61B 1700

Patent

active

055057241

ABSTRACT:
Accurate, non-mechanical removal of the epithelium from essentially only the area of the cornea to be treated. In particular, an epithelium-ablative laser device irradiates the selected region of the epithelium with ablative laser energy, a spectroscopic system monitors the ablation and spectroscopically determines whether epithelium is being ablated, and a control system terminates the epithelium removal upon spectroscopic determination of a substantial absence of epithelium ablation.

REFERENCES:
patent: 4941093 (1990-07-01), Marshall et al.
patent: 4994058 (1991-02-01), Raven et al.
patent: 5123902 (1992-06-01), Muller et al.
patent: 5279298 (1994-01-01), Flower
patent: 5279611 (1994-01-01), McDonnell et al.
Investigative Ophthalmology and Visual Science, vol. 31 #4 (Supp) 1990; 477., including No. 2340-4, Quantification of the Fluorescence Spectra Produced by ArF Laser Ablation of the Cornea and Sclera, by Tuft et al.

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