Device and method for forming curved cuts in a transparent material

To execute curved cuts in a transparent material, and especially a cornea, optical perforations are formed in the material by a focused laser beam. The focal point is given a three-dimension offset in one spatial direction by a lens, and the focal point movement is moved in the other two spatial dir...

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Bibliographische Detailangaben
1. Verfasser:	MUEHLHOFF DIRK,GERLACH MARIO,STICKER MARKUS,LANG CARSTEN,BISCHOFF MARK,BERGT MICHAEL
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	To execute curved cuts in a transparent material, and especially a cornea, optical perforations are formed in the material by a focused laser beam. The focal point is given a three-dimension offset in one spatial direction by a lens, and the focal point movement is moved in the other two spatial directions (x,y) to follow the contours (17) of the cut in a concentric pattern in the contour map (16) with transits (18). The contours of the cut lie on a plane at right angles to the first spatial direction.